drm/amdgpu/display: Add dml support for DCN

Display mode lib handles clock, watermark, and bandwidth
calculations for DCN.

Signed-off-by: Harry Wentland <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/dc/dml/Makefile

···
+#
+# Makefile for the 'utils' sub-component of DAL.
+# It provides the general basic services required by other DAL
+# subcomponents.
+
+CFLAGS_display_mode_lib.o := -mhard-float -msse -mpreferred-stack-boundary=4
+CFLAGS_display_pipe_clocks.o := -mhard-float -msse -mpreferred-stack-boundary=4
+CFLAGS_display_rq_dlg_calc.o := -mhard-float -msse -mpreferred-stack-boundary=4
+CFLAGS_display_rq_dlg_helpers.o := -mhard-float -msse -mpreferred-stack-boundary=4
+CFLAGS_display_watermark.o := -mhard-float -msse -mpreferred-stack-boundary=4
+CFLAGS_soc_bounding_box.o := -mhard-float -msse -mpreferred-stack-boundary=4
+CFLAGS_dml_common_defs.o := -mhard-float -msse -mpreferred-stack-boundary=4
+CFLAGS_display_mode_support.o := -mhard-float -msse -mpreferred-stack-boundary=4
+
+
+DML = display_mode_lib.o display_pipe_clocks.o display_rq_dlg_calc.o \
+	  display_rq_dlg_helpers.o display_watermark.o \
+	  soc_bounding_box.o dml_common_defs.o display_mode_support.o
+
+AMD_DAL_DML = $(addprefix $(AMDDALPATH)/dc/dml/,$(DML))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_DML)

drivers/gpu/drm/amd/display/dc/dml/dc_features.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DC_FEATURES_H__
+#define __DC_FEATURES_H__
+
+#define DC__PRESENT 1
+#define DC__PRESENT__1 1
+#define DC__NUM_DPP 4
+#define DC__NUM_DPP__4 1
+#define DC__NUM_DPP__0_PRESENT 1
+#define DC__NUM_DPP__1_PRESENT 1
+#define DC__NUM_DPP__2_PRESENT 1
+#define DC__NUM_DPP__3_PRESENT 1
+#define DC__NUM_DPP__MAX 8
+#define DC__NUM_DPP__MAX__8 1
+#define DC__PIPE_10BIT 0
+#define DC__PIPE_10BIT__0 1
+#define DC__PIPE_10BIT__MAX 1
+#define DC__PIPE_10BIT__MAX__1 1
+#define DC__NUM_OPP 4
+#define DC__NUM_OPP__4 1
+#define DC__NUM_OPP__0_PRESENT 1
+#define DC__NUM_OPP__1_PRESENT 1
+#define DC__NUM_OPP__2_PRESENT 1
+#define DC__NUM_OPP__3_PRESENT 1
+#define DC__NUM_OPP__MAX 6
+#define DC__NUM_OPP__MAX__6 1
+#define DC__NUM_DSC 0
+#define DC__NUM_DSC__0 1
+#define DC__NUM_DSC__MAX 6
+#define DC__NUM_DSC__MAX__6 1
+#define DC__NUM_ABM 1
+#define DC__NUM_ABM__1 1
+#define DC__NUM_ABM__0_PRESENT 1
+#define DC__NUM_ABM__MAX 2
+#define DC__NUM_ABM__MAX__2 1
+#define DC__ODM_PRESENT 0
+#define DC__ODM_PRESENT__0 1
+#define DC__NUM_OTG 4
+#define DC__NUM_OTG__4 1
+#define DC__NUM_OTG__0_PRESENT 1
+#define DC__NUM_OTG__1_PRESENT 1
+#define DC__NUM_OTG__2_PRESENT 1
+#define DC__NUM_OTG__3_PRESENT 1
+#define DC__NUM_OTG__MAX 6
+#define DC__NUM_OTG__MAX__6 1
+#define DC__NUM_DWB 2
+#define DC__NUM_DWB__2 1
+#define DC__NUM_DWB__0_PRESENT 1
+#define DC__NUM_DWB__1_PRESENT 1
+#define DC__NUM_DWB__MAX 2
+#define DC__NUM_DWB__MAX__2 1
+#define DC__NUM_DIG 4
+#define DC__NUM_DIG__4 1
+#define DC__NUM_DIG__0_PRESENT 1
+#define DC__NUM_DIG__1_PRESENT 1
+#define DC__NUM_DIG__2_PRESENT 1
+#define DC__NUM_DIG__3_PRESENT 1
+#define DC__NUM_DIG__MAX 6
+#define DC__NUM_DIG__MAX__6 1
+#define DC__NUM_AUX 4
+#define DC__NUM_AUX__4 1
+#define DC__NUM_AUX__0_PRESENT 1
+#define DC__NUM_AUX__1_PRESENT 1
+#define DC__NUM_AUX__2_PRESENT 1
+#define DC__NUM_AUX__3_PRESENT 1
+#define DC__NUM_AUX__MAX 6
+#define DC__NUM_AUX__MAX__6 1
+#define DC__NUM_AUDIO_STREAMS 4
+#define DC__NUM_AUDIO_STREAMS__4 1
+#define DC__NUM_AUDIO_STREAMS__0_PRESENT 1
+#define DC__NUM_AUDIO_STREAMS__1_PRESENT 1
+#define DC__NUM_AUDIO_STREAMS__2_PRESENT 1
+#define DC__NUM_AUDIO_STREAMS__3_PRESENT 1
+#define DC__NUM_AUDIO_STREAMS__MAX 8
+#define DC__NUM_AUDIO_STREAMS__MAX__8 1
+#define DC__NUM_AUDIO_ENDPOINTS 6
+#define DC__NUM_AUDIO_ENDPOINTS__6 1
+#define DC__NUM_AUDIO_ENDPOINTS__0_PRESENT 1
+#define DC__NUM_AUDIO_ENDPOINTS__1_PRESENT 1
+#define DC__NUM_AUDIO_ENDPOINTS__2_PRESENT 1
+#define DC__NUM_AUDIO_ENDPOINTS__3_PRESENT 1
+#define DC__NUM_AUDIO_ENDPOINTS__4_PRESENT 1
+#define DC__NUM_AUDIO_ENDPOINTS__5_PRESENT 1
+#define DC__NUM_AUDIO_ENDPOINTS__MAX 8
+#define DC__NUM_AUDIO_ENDPOINTS__MAX__8 1
+#define DC__NUM_AUDIO_INPUT_STREAMS 0
+#define DC__NUM_AUDIO_INPUT_STREAMS__0 1
+#define DC__NUM_AUDIO_INPUT_STREAMS__MAX 8
+#define DC__NUM_AUDIO_INPUT_STREAMS__MAX__8 1
+#define DC__NUM_AUDIO_INPUT_ENDPOINTS 0
+#define DC__NUM_AUDIO_INPUT_ENDPOINTS__0 1
+#define DC__NUM_AUDIO_INPUT_ENDPOINTS__MAX 8
+#define DC__NUM_AUDIO_INPUT_ENDPOINTS__MAX__8 1
+#define DC__NUM_CURSOR 1
+#define DC__NUM_CURSOR__1 1
+#define DC__NUM_CURSOR__0_PRESENT 1
+#define DC__NUM_CURSOR__MAX 2
+#define DC__NUM_CURSOR__MAX__2 1
+#define DC__DIGITAL_BYPASS_PRESENT 0
+#define DC__DIGITAL_BYPASS_PRESENT__0 1
+#define DC__HCID_HWMAJVER 1
+#define DC__HCID_HWMAJVER__1 1
+#define DC__HCID_HWMINVER 0
+#define DC__HCID_HWMINVER__0 1
+#define DC__HCID_HWREV 0
+#define DC__HCID_HWREV__0 1
+#define DC__ROMSTRAP_PRESENT 0
+#define DC__ROMSTRAP_PRESENT__0 1
+#define DC__NUM_RBBMIF_DECODES 30
+#define DC__NUM_RBBMIF_DECODES__30 1
+#define DC__NUM_DBG_REGS 36
+#define DC__NUM_DBG_REGS__36 1
+#define DC__NUM_PIPES_UNDERLAY 0
+#define DC__NUM_PIPES_UNDERLAY__0 1
+#define DC__NUM_PIPES_UNDERLAY__MAX 2
+#define DC__NUM_PIPES_UNDERLAY__MAX__2 1
+#define DC__NUM_VCE_ENGINE 1
+#define DC__NUM_VCE_ENGINE__1 1
+#define DC__NUM_VCE_ENGINE__0_PRESENT 1
+#define DC__NUM_VCE_ENGINE__MAX 2
+#define DC__NUM_VCE_ENGINE__MAX__2 1
+#define DC__OTG_EXTERNAL_SYNC_PRESENT 0
+#define DC__OTG_EXTERNAL_SYNC_PRESENT__0 1
+#define DC__OTG_CRC_PRESENT 1
+#define DC__OTG_CRC_PRESENT__1 1
+#define DC__VIP_PRESENT 0
+#define DC__VIP_PRESENT__0 1
+#define DC__DTMTEST_PRESENT 0
+#define DC__DTMTEST_PRESENT__0 1
+#define DC__POWER_GATE_PRESENT 1
+#define DC__POWER_GATE_PRESENT__1 1
+#define DC__MEM_PG 1
+#define DC__MEM_PG__1 1
+#define DC__FMT_SRC_SEL_PRESENT 0
+#define DC__FMT_SRC_SEL_PRESENT__0 1
+#define DC__DIG_FEATURES__HDMI_PRESENT 1
+#define DC__DIG_FEATURES__HDMI_PRESENT__1 1
+#define DC__DIG_FEATURES__DP_PRESENT 1
+#define DC__DIG_FEATURES__DP_PRESENT__1 1
+#define DC__DIG_FEATURES__DP_MST_PRESENT 1
+#define DC__DIG_FEATURES__DP_MST_PRESENT__1 1
+#define DC__DIG_LP_FEATURES__HDMI_PRESENT 0
+#define DC__DIG_LP_FEATURES__HDMI_PRESENT__0 1
+#define DC__DIG_LP_FEATURES__DP_PRESENT 1
+#define DC__DIG_LP_FEATURES__DP_PRESENT__1 1
+#define DC__DIG_LP_FEATURES__DP_MST_PRESENT 0
+#define DC__DIG_LP_FEATURES__DP_MST_PRESENT__0 1
+#define DC__DIG_RESYNC_FIFO_SIZE 14
+#define DC__DIG_RESYNC_FIFO_SIZE__14 1
+#define DC__DIG_RESYNC_FIFO_SIZE__0_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__1_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__2_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__3_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__4_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__5_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__6_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__7_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__8_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__9_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__10_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__11_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__12_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__13_PRESENT 1
+#define DC__DIG_RESYNC_FIFO_SIZE__MAX 16
+#define DC__DIG_RESYNC_FIFO_SIZE__MAX__16 1
+#define DC__DAC_RESYNC_FIFO_SIZE 12
+#define DC__DAC_RESYNC_FIFO_SIZE__12 1
+#define DC__DAC_RESYNC_FIFO_SIZE__0_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__1_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__2_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__3_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__4_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__5_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__6_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__7_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__8_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__9_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__10_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__11_PRESENT 1
+#define DC__DAC_RESYNC_FIFO_SIZE__MAX 16
+#define DC__DAC_RESYNC_FIFO_SIZE__MAX__16 1
+#define DC__DVO_RESYNC_FIFO_SIZE 12
+#define DC__DVO_RESYNC_FIFO_SIZE__12 1
+#define DC__DVO_RESYNC_FIFO_SIZE__0_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__1_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__2_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__3_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__4_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__5_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__6_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__7_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__8_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__9_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__10_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__11_PRESENT 1
+#define DC__DVO_RESYNC_FIFO_SIZE__MAX 16
+#define DC__DVO_RESYNC_FIFO_SIZE__MAX__16 1
+#define DC__MEM_CDC_PRESENT 1
+#define DC__MEM_CDC_PRESENT__1 1
+#define DC__NUM_HPD 4
+#define DC__NUM_HPD__4 1
+#define DC__NUM_HPD__0_PRESENT 1
+#define DC__NUM_HPD__1_PRESENT 1
+#define DC__NUM_HPD__2_PRESENT 1
+#define DC__NUM_HPD__3_PRESENT 1
+#define DC__NUM_HPD__MAX 6
+#define DC__NUM_HPD__MAX__6 1
+#define DC__NUM_DDC_PAIRS 4
+#define DC__NUM_DDC_PAIRS__4 1
+#define DC__NUM_DDC_PAIRS__0_PRESENT 1
+#define DC__NUM_DDC_PAIRS__1_PRESENT 1
+#define DC__NUM_DDC_PAIRS__2_PRESENT 1
+#define DC__NUM_DDC_PAIRS__3_PRESENT 1
+#define DC__NUM_DDC_PAIRS__MAX 6
+#define DC__NUM_DDC_PAIRS__MAX__6 1
+#define DC__NUM_AUDIO_PLL 0
+#define DC__NUM_AUDIO_PLL__0 1
+#define DC__NUM_AUDIO_PLL__MAX 2
+#define DC__NUM_AUDIO_PLL__MAX__2 1
+#define DC__NUM_PIXEL_PLL 1
+#define DC__NUM_PIXEL_PLL__1 1
+#define DC__NUM_PIXEL_PLL__0_PRESENT 1
+#define DC__NUM_PIXEL_PLL__MAX 4
+#define DC__NUM_PIXEL_PLL__MAX__4 1
+#define DC__NUM_CASCADED_PLL 0
+#define DC__NUM_CASCADED_PLL__0 1
+#define DC__NUM_CASCADED_PLL__MAX 3
+#define DC__NUM_CASCADED_PLL__MAX__3 1
+#define DC__PIXCLK_FROM_PHYPLL 1
+#define DC__PIXCLK_FROM_PHYPLL__1 1
+#define DC__NB_STUTTER_MODE_PRESENT 0
+#define DC__NB_STUTTER_MODE_PRESENT__0 1
+#define DC__I2S0_AND_SPDIF0_PRESENT 0
+#define DC__I2S0_AND_SPDIF0_PRESENT__0 1
+#define DC__I2S1_PRESENT 0
+#define DC__I2S1_PRESENT__0 1
+#define DC__SPDIF1_PRESENT 0
+#define DC__SPDIF1_PRESENT__0 1
+#define DC__DSI_PRESENT 0
+#define DC__DSI_PRESENT__0 1
+#define DC__DACA_PRESENT 0
+#define DC__DACA_PRESENT__0 1
+#define DC__DACB_PRESENT 0
+#define DC__DACB_PRESENT__0 1
+#define DC__NUM_PIPES 4
+#define DC__NUM_PIPES__4 1
+#define DC__NUM_PIPES__0_PRESENT 1
+#define DC__NUM_PIPES__1_PRESENT 1
+#define DC__NUM_PIPES__2_PRESENT 1
+#define DC__NUM_PIPES__3_PRESENT 1
+#define DC__NUM_PIPES__MAX 6
+#define DC__NUM_PIPES__MAX__6 1
+#define DC__NUM_DIG_LP 0
+#define DC__NUM_DIG_LP__0 1
+#define DC__NUM_DIG_LP__MAX 2
+#define DC__NUM_DIG_LP__MAX__2 1
+#define DC__DPDEBUG_PRESENT 0
+#define DC__DPDEBUG_PRESENT__0 1
+#define DC__DISPLAY_WB_PRESENT 1
+#define DC__DISPLAY_WB_PRESENT__1 1
+#define DC__NUM_CWB 0
+#define DC__NUM_CWB__0 1
+#define DC__NUM_CWB__MAX 2
+#define DC__NUM_CWB__MAX__2 1
+#define DC__MVP_PRESENT 0
+#define DC__MVP_PRESENT__0 1
+#define DC__DVO_PRESENT 0
+#define DC__DVO_PRESENT__0 1
+#define DC__ABM_PRESENT 0
+#define DC__ABM_PRESENT__0 1
+#define DC__BPHYC_PLL_PRESENT 0
+#define DC__BPHYC_PLL_PRESENT__0 1
+#define DC__BPHYC_UNIPHY_PRESENT 0
+#define DC__BPHYC_UNIPHY_PRESENT__0 1
+#define DC__PHY_BROADCAST_PRESENT 0
+#define DC__PHY_BROADCAST_PRESENT__0 1
+#define DC__NUM_OF_DCRX_SD 0
+#define DC__NUM_OF_DCRX_SD__0 1
+#define DC__DVO_17BIT_MAPPING 0
+#define DC__DVO_17BIT_MAPPING__0 1
+#define DC__AVSYNC_PRESENT 0
+#define DC__AVSYNC_PRESENT__0 1
+#define DC__NUM_OF_DCRX_PORTS 0
+#define DC__NUM_OF_DCRX_PORTS__0 1
+#define DC__NUM_OF_DCRX_PORTS__MAX 1
+#define DC__NUM_OF_DCRX_PORTS__MAX__1 1
+#define DC__NUM_PHY 4
+#define DC__NUM_PHY__4 1
+#define DC__NUM_PHY__0_PRESENT 1
+#define DC__NUM_PHY__1_PRESENT 1
+#define DC__NUM_PHY__2_PRESENT 1
+#define DC__NUM_PHY__3_PRESENT 1
+#define DC__NUM_PHY__MAX 7
+#define DC__NUM_PHY__MAX__7 1
+#define DC__NUM_PHY_LP 0
+#define DC__NUM_PHY_LP__0 1
+#define DC__NUM_PHY_LP__MAX 2
+#define DC__NUM_PHY_LP__MAX__2 1
+#define DC__SYNC_CELL vid_sync_gf14lpp
+#define DC__SYNC_CELL__VID_SYNC_GF14LPP 1
+#define DC__USE_NEW_VSS 1
+#define DC__USE_NEW_VSS__1 1
+#define DC__SYNC_CELL_DISPCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_DISPCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_DVOCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_DVOCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_PIXCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_PIXCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_SYMCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_SYMCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_DPPCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_DPPCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_DPREFCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_DPREFCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_REFCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_REFCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_PCIE_REFCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_PCIE_REFCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_MVPCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_MVPCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_SCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_SCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_DCEFCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_DCEFCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_AMCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_AMCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_DSICLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_DSICLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_BYTECLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_BYTECLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_ESCCLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_ESCCLK_NUM_LATCHES__6 1
+#define DC__SYNC_CELL_DB_CLK_NUM_LATCHES 6
+#define DC__SYNC_CELL_DB_CLK_NUM_LATCHES__6 1
+#define UNIPHYA_PRESENT 1
+#define UNIPHYA_PRESENT__1 1
+#define DC__UNIPHYA_PRESENT 1
+#define DC__UNIPHYA_PRESENT__1 1
+#define UNIPHYB_PRESENT 1
+#define UNIPHYB_PRESENT__1 1
+#define DC__UNIPHYB_PRESENT 1
+#define DC__UNIPHYB_PRESENT__1 1
+#define UNIPHYC_PRESENT 1
+#define UNIPHYC_PRESENT__1 1
+#define DC__UNIPHYC_PRESENT 1
+#define DC__UNIPHYC_PRESENT__1 1
+#define UNIPHYD_PRESENT 1
+#define UNIPHYD_PRESENT__1 1
+#define DC__UNIPHYD_PRESENT 1
+#define DC__UNIPHYD_PRESENT__1 1
+#define UNIPHYE_PRESENT 0
+#define UNIPHYE_PRESENT__0 1
+#define DC__UNIPHYE_PRESENT 0
+#define DC__UNIPHYE_PRESENT__0 1
+#define UNIPHYF_PRESENT 0
+#define UNIPHYF_PRESENT__0 1
+#define DC__UNIPHYF_PRESENT 0
+#define DC__UNIPHYF_PRESENT__0 1
+#define UNIPHYG_PRESENT 0
+#define UNIPHYG_PRESENT__0 1
+#define DC__UNIPHYG_PRESENT 0
+#define DC__UNIPHYG_PRESENT__0 1
+#define DC__TMDS_LINK tmds_link_dual
+#define DC__TMDS_LINK__TMDS_LINK_DUAL 1
+#define DC__WBSCL_PIXBW 8
+#define DC__WBSCL_PIXBW__8 1
+#define DC__DWB_CSC_PRESENT 0
+#define DC__DWB_CSC_PRESENT__0 1
+#define DC__DWB_LUMA_SCL_PRESENT 0
+#define DC__DWB_LUMA_SCL_PRESENT__0 1
+#define DC__DENTIST_INTERFACE_PRESENT 1
+#define DC__DENTIST_INTERFACE_PRESENT__1 1
+#define DC__GENERICA_PRESENT 1
+#define DC__GENERICA_PRESENT__1 1
+#define DC__GENERICB_PRESENT 1
+#define DC__GENERICB_PRESENT__1 1
+#define DC__GENERICC_PRESENT 0
+#define DC__GENERICC_PRESENT__0 1
+#define DC__GENERICD_PRESENT 0
+#define DC__GENERICD_PRESENT__0 1
+#define DC__GENERICE_PRESENT 0
+#define DC__GENERICE_PRESENT__0 1
+#define DC__GENERICF_PRESENT 0
+#define DC__GENERICF_PRESENT__0 1
+#define DC__GENERICG_PRESENT 0
+#define DC__GENERICG_PRESENT__0 1
+#define DC__UNIPHY_VOLTAGE_MODE 1
+#define DC__UNIPHY_VOLTAGE_MODE__1 1
+#define DC__BLON_TYPE dedicated
+#define DC__BLON_TYPE__DEDICATED 1
+#define DC__UNIPHY_STAGGER_CH_PRESENT 1
+#define DC__UNIPHY_STAGGER_CH_PRESENT__1 1
+#define DC__XDMA_PRESENT 0
+#define DC__XDMA_PRESENT__0 1
+#define XDMA__PRESENT 0
+#define XDMA__PRESENT__0 1
+#define DC__DP_MEM_PG 0
+#define DC__DP_MEM_PG__0 1
+#define DP__MEM_PG 0
+#define DP__MEM_PG__0 1
+#define DC__AFMT_MEM_PG 0
+#define DC__AFMT_MEM_PG__0 1
+#define AFMT__MEM_PG 0
+#define AFMT__MEM_PG__0 1
+#define DC__HDMI_MEM_PG 0
+#define DC__HDMI_MEM_PG__0 1
+#define HDMI__MEM_PG 0
+#define HDMI__MEM_PG__0 1
+#define DC__I2C_MEM_PG 0
+#define DC__I2C_MEM_PG__0 1
+#define I2C__MEM_PG 0
+#define I2C__MEM_PG__0 1
+#define DC__DSCL_MEM_PG 0
+#define DC__DSCL_MEM_PG__0 1
+#define DSCL__MEM_PG 0
+#define DSCL__MEM_PG__0 1
+#define DC__CM_MEM_PG 0
+#define DC__CM_MEM_PG__0 1
+#define CM__MEM_PG 0
+#define CM__MEM_PG__0 1
+#define DC__OBUF_MEM_PG 0
+#define DC__OBUF_MEM_PG__0 1
+#define OBUF__MEM_PG 0
+#define OBUF__MEM_PG__0 1
+#define DC__WBIF_MEM_PG 1
+#define DC__WBIF_MEM_PG__1 1
+#define WBIF__MEM_PG 1
+#define WBIF__MEM_PG__1 1
+#define DC__VGA_MEM_PG 0
+#define DC__VGA_MEM_PG__0 1
+#define VGA__MEM_PG 0
+#define VGA__MEM_PG__0 1
+#define DC__FMT_MEM_PG 0
+#define DC__FMT_MEM_PG__0 1
+#define FMT__MEM_PG 0
+#define FMT__MEM_PG__0 1
+#define DC__ODM_MEM_PG 0
+#define DC__ODM_MEM_PG__0 1
+#define ODM__MEM_PG 0
+#define ODM__MEM_PG__0 1
+#define DC__DSI_MEM_PG 0
+#define DC__DSI_MEM_PG__0 1
+#define DSI__MEM_PG 0
+#define DSI__MEM_PG__0 1
+#define DC__AZ_MEM_PG 1
+#define DC__AZ_MEM_PG__1 1
+#define AZ__MEM_PG 1
+#define AZ__MEM_PG__1 1
+#define DC__WBSCL_MEM1P1024X64QS_MEM_PG 1
+#define DC__WBSCL_MEM1P1024X64QS_MEM_PG__1 1
+#define WBSCL_MEM1P1024X64QS__MEM_PG 1
+#define WBSCL_MEM1P1024X64QS__MEM_PG__1 1
+#define DC__WBSCL_MEM1P528X64QS_MEM_PG 1
+#define DC__WBSCL_MEM1P528X64QS_MEM_PG__1 1
+#define WBSCL_MEM1P528X64QS__MEM_PG 1
+#define WBSCL_MEM1P528X64QS__MEM_PG__1 1
+#define DC__DMCU_MEM1P1024X32BQS_MEM_PG 1
+#define DC__DMCU_MEM1P1024X32BQS_MEM_PG__1 1
+#define DMCU_MEM1P1024X32BQS__MEM_PG 1
+#define DMCU_MEM1P1024X32BQS__MEM_PG__1 1
+#define DC__HUBBUB_SDP_TAG_INT_MEM_PG 0
+#define DC__HUBBUB_SDP_TAG_INT_MEM_PG__0 1
+#define HUBBUB_SDP_TAG_INT__MEM_PG 0
+#define HUBBUB_SDP_TAG_INT__MEM_PG__0 1
+#define DC__HUBBUB_SDP_TAG_EXT_MEM_PG 0
+#define DC__HUBBUB_SDP_TAG_EXT_MEM_PG__0 1
+#define HUBBUB_SDP_TAG_EXT__MEM_PG 0
+#define HUBBUB_SDP_TAG_EXT__MEM_PG__0 1
+#define DC__HUBBUB_RET_ZERO_MEM_PG 0
+#define DC__HUBBUB_RET_ZERO_MEM_PG__0 1
+#define HUBBUB_RET_ZERO__MEM_PG 0
+#define HUBBUB_RET_ZERO__MEM_PG__0 1
+#define DC__HUBBUB_RET_ROB_MEM_PG 0
+#define DC__HUBBUB_RET_ROB_MEM_PG__0 1
+#define HUBBUB_RET_ROB__MEM_PG 0
+#define HUBBUB_RET_ROB__MEM_PG__0 1
+#define DC__HUBPRET_CUR_ROB_MEM_PG 0
+#define DC__HUBPRET_CUR_ROB_MEM_PG__0 1
+#define HUBPRET_CUR_ROB__MEM_PG 0
+#define HUBPRET_CUR_ROB__MEM_PG__0 1
+#define DC__HUBPRET_CUR_CDC_MEM_PG 0
+#define DC__HUBPRET_CUR_CDC_MEM_PG__0 1
+#define HUBPRET_CUR_CDC__MEM_PG 0
+#define HUBPRET_CUR_CDC__MEM_PG__0 1
+#define DC__HUBPREQ_MPTE_MEM_PG 0
+#define DC__HUBPREQ_MPTE_MEM_PG__0 1
+#define HUBPREQ_MPTE__MEM_PG 0
+#define HUBPREQ_MPTE__MEM_PG__0 1
+#define DC__HUBPREQ_META_MEM_PG 0
+#define DC__HUBPREQ_META_MEM_PG__0 1
+#define HUBPREQ_META__MEM_PG 0
+#define HUBPREQ_META__MEM_PG__0 1
+#define DC__HUBPREQ_DPTE_MEM_PG 0
+#define DC__HUBPREQ_DPTE_MEM_PG__0 1
+#define HUBPREQ_DPTE__MEM_PG 0
+#define HUBPREQ_DPTE__MEM_PG__0 1
+#define DC__HUBPRET_DET_MEM_PG 0
+#define DC__HUBPRET_DET_MEM_PG__0 1
+#define HUBPRET_DET__MEM_PG 0
+#define HUBPRET_DET__MEM_PG__0 1
+#define DC__HUBPRET_PIX_CDC_MEM_PG 0
+#define DC__HUBPRET_PIX_CDC_MEM_PG__0 1
+#define HUBPRET_PIX_CDC__MEM_PG 0
+#define HUBPRET_PIX_CDC__MEM_PG__0 1
+#define DC__TOP_BLKS__DCCG 1
+#define DC__TOP_BLKS__DCHUBBUB 1
+#define DC__TOP_BLKS__DCHUBP 1
+#define DC__TOP_BLKS__HDA 1
+#define DC__TOP_BLKS__DIO 1
+#define DC__TOP_BLKS__DCIO 1
+#define DC__TOP_BLKS__DMU 1
+#define DC__TOP_BLKS__DPP 1
+#define DC__TOP_BLKS__MPC 1
+#define DC__TOP_BLKS__OPP 1
+#define DC__TOP_BLKS__OPTC 1
+#define DC__TOP_BLKS__MMHUBBUB 1
+#define DC__TOP_BLKS__WB 1
+#define DC__TOP_BLKS__MAX 13
+#define DC__TOP_BLKS__MAX__13 1
+#define DC__DCHUBP_DPP_SF_PIXEL_CREDITS 9
+#define DC__DCHUBP_DPP_SF_PIXEL_CREDITS__9 1
+#define DC__DPP_MPC_SF_PIXEL_CREDITS 9
+#define DC__DPP_MPC_SF_PIXEL_CREDITS__9 1
+#define DC__MPC_OPP_SF_PIXEL_CREDITS 8
+#define DC__MPC_OPP_SF_PIXEL_CREDITS__8 1
+#define DC__OPP_OPTC_SF_PIXEL_CREDITS 8
+#define DC__OPP_OPTC_SF_PIXEL_CREDITS__8 1
+#define DC__SFR_SFT_ROUND_TRIP_DELAY 5
+#define DC__SFR_SFT_ROUND_TRIP_DELAY__5 1
+#define DC__REPEATER_PROJECT_MAX 8
+#define DC__REPEATER_PROJECT_MAX__8 1
+#define DC__SURFACE_422_CAPABLE 0
+#define DC__SURFACE_422_CAPABLE__0 1
+#endif

drivers/gpu/drm/amd/display/dc/dml/display_mode_enums.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_MODE_ENUMS_H__
+#define __DISPLAY_MODE_ENUMS_H__
+enum output_encoder_class {
+	dm_dp = 0,
+	dm_hdmi = 1,
+	dm_wb = 2
+};
+enum output_format_class {
+	dm_444 = 0,
+	dm_420 = 1
+};
+enum source_format_class {
+	dm_444_16 = 0,
+	dm_444_32 = 1,
+	dm_444_64 = 2,
+	dm_420_8 = 3,
+	dm_420_10 = 4,
+	dm_422_8 = 5,
+	dm_422_10 = 6
+};
+enum output_bpc_class {
+	dm_out_6 = 0,
+	dm_out_8 = 1,
+	dm_out_10 = 2,
+	dm_out_12 = 3,
+	dm_out_16 = 4
+};
+enum scan_direction_class {
+	dm_horz = 0,
+	dm_vert = 1
+};
+enum dm_swizzle_mode {
+	dm_sw_linear = 0,
+	dm_sw_256b_s = 1,
+	dm_sw_256b_d = 2,
+	dm_sw_SPARE_0 = 3,
+	dm_sw_SPARE_1 = 4,
+	dm_sw_4kb_s = 5,
+	dm_sw_4kb_d = 6,
+	dm_sw_SPARE_2 = 7,
+	dm_sw_SPARE_3 = 8,
+	dm_sw_64kb_s = 9,
+	dm_sw_64kb_d = 10,
+	dm_sw_SPARE_4 = 11,
+	dm_sw_SPARE_5 = 12,
+	dm_sw_var_s = 13,
+	dm_sw_var_d = 14,
+	dm_sw_SPARE_6 = 15,
+	dm_sw_SPARE_7 = 16,
+	dm_sw_64kb_s_t = 17,
+	dm_sw_64kb_d_t = 18,
+	dm_sw_SPARE_10 = 19,
+	dm_sw_SPARE_11 = 20,
+	dm_sw_4kb_s_x = 21,
+	dm_sw_4kb_d_x = 22,
+	dm_sw_SPARE_12 = 23,
+	dm_sw_SPARE_13 = 24,
+	dm_sw_64kb_s_x = 25,
+	dm_sw_64kb_d_x = 26,
+	dm_sw_SPARE_14 = 27,
+	dm_sw_SPARE_15 = 28,
+	dm_sw_var_s_x = 29,
+	dm_sw_var_d_x = 30
+};
+enum lb_depth {
+	dm_lb_10 = 30,
+	dm_lb_8 = 24,
+	dm_lb_6 = 18,
+	dm_lb_12 = 36
+};
+enum voltage_state {
+	dm_vmin = 0,
+	dm_vmid = 1,
+	dm_vnom = 2,
+	dm_vmax = 3,
+	dm_vmax_exceeded = 4
+};
+enum source_macro_tile_size {
+	dm_4k_tile = 0,
+	dm_64k_tile = 1,
+	dm_256k_tile = 2
+};
+enum cursor_bpp {
+	dm_cur_2bit = 0,
+	dm_cur_32bit = 1
+};
+#endif

drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "display_mode_lib.h"
+
+static void set_soc_bounding_box(struct _vcs_dpi_soc_bounding_box_st *soc, enum dml_project project)
+{
+	if (project == DML_PROJECT_RAVEN1) {
+		soc->sr_exit_time_us = 9.0;
+		soc->sr_enter_plus_exit_time_us = 11.0;
+		soc->urgent_latency_us = 4.0;
+		soc->writeback_latency_us = 12.0;
+		soc->ideal_dram_bw_after_urgent_percent = 80.0;
+		soc->max_request_size_bytes = 256;
+
+		soc->vmin.dcfclk_mhz = 300.0;
+		soc->vmin.dispclk_mhz = 608.0;
+		soc->vmin.dppclk_mhz = 435.0;
+		soc->vmin.dram_bw_per_chan_gbps = 12.8;
+		soc->vmin.phyclk_mhz = 540.0;
+		soc->vmin.socclk_mhz = 208.0;
+
+		soc->vmid.dcfclk_mhz = 600.0;
+		soc->vmid.dispclk_mhz = 661.0;
+		soc->vmid.dppclk_mhz = 661.0;
+		soc->vmid.dram_bw_per_chan_gbps = 12.8;
+		soc->vmid.phyclk_mhz = 540.0;
+		soc->vmid.socclk_mhz = 208.0;
+
+		soc->vnom.dcfclk_mhz = 600.0;
+		soc->vnom.dispclk_mhz = 661.0;
+		soc->vnom.dppclk_mhz = 661.0;
+		soc->vnom.dram_bw_per_chan_gbps = 38.4;
+		soc->vnom.phyclk_mhz = 810;
+		soc->vnom.socclk_mhz = 208.0;
+
+		soc->vmax.dcfclk_mhz = 600.0;
+		soc->vmax.dispclk_mhz = 1086.0;
+		soc->vmax.dppclk_mhz = 661.0;
+		soc->vmax.dram_bw_per_chan_gbps = 38.4;
+		soc->vmax.phyclk_mhz = 810.0;
+		soc->vmax.socclk_mhz = 208.0;
+
+		soc->downspread_percent = 0.5;
+		soc->dram_page_open_time_ns = 50.0;
+		soc->dram_rw_turnaround_time_ns = 17.5;
+		soc->dram_return_buffer_per_channel_bytes = 8192;
+		soc->round_trip_ping_latency_dcfclk_cycles = 128;
+		soc->urgent_out_of_order_return_per_channel_bytes = 256;
+		soc->channel_interleave_bytes = 256;
+		soc->num_banks = 8;
+		soc->num_chans = 2;
+		soc->vmm_page_size_bytes = 4096;
+		soc->dram_clock_change_latency_us = 17.0;
+		soc->writeback_dram_clock_change_latency_us = 23.0;
+		soc->return_bus_width_bytes = 64;
+	} else {
+		BREAK_TO_DEBUGGER(); /* Invalid Project Specified */
+	}
+}
+
+static void set_ip_params(struct _vcs_dpi_ip_params_st *ip, enum dml_project project)
+{
+	if (project == DML_PROJECT_RAVEN1) {
+		ip->rob_buffer_size_kbytes = 64;
+		ip->det_buffer_size_kbytes = 164;
+		ip->dpte_buffer_size_in_pte_reqs = 42;
+		ip->dpp_output_buffer_pixels = 2560;
+		ip->opp_output_buffer_lines = 1;
+		ip->pixel_chunk_size_kbytes = 8;
+		ip->pte_enable = 1;
+		ip->pte_chunk_size_kbytes = 2;
+		ip->meta_chunk_size_kbytes = 2;
+		ip->writeback_chunk_size_kbytes = 2;
+		ip->line_buffer_size_bits = 589824;
+		ip->max_line_buffer_lines = 12;
+		ip->IsLineBufferBppFixed = 0;
+		ip->LineBufferFixedBpp = -1;
+		ip->writeback_luma_buffer_size_kbytes = 12;
+		ip->writeback_chroma_buffer_size_kbytes = 8;
+		ip->max_num_dpp = 4;
+		ip->max_num_wb = 2;
+		ip->max_dchub_pscl_bw_pix_per_clk = 4;
+		ip->max_pscl_lb_bw_pix_per_clk = 2;
+		ip->max_lb_vscl_bw_pix_per_clk = 4;
+		ip->max_vscl_hscl_bw_pix_per_clk = 4;
+		ip->max_hscl_ratio = 4;
+		ip->max_vscl_ratio = 4;
+		ip->hscl_mults = 4;
+		ip->vscl_mults = 4;
+		ip->max_hscl_taps = 8;
+		ip->max_vscl_taps = 8;
+		ip->dispclk_ramp_margin_percent = 1;
+		ip->underscan_factor = 1.10;
+		ip->min_vblank_lines = 14;
+		ip->dppclk_delay_subtotal = 90;
+		ip->dispclk_delay_subtotal = 42;
+		ip->dcfclk_cstate_latency = 10;
+		ip->max_inter_dcn_tile_repeaters = 8;
+		ip->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one = 0;
+		ip->bug_forcing_LC_req_same_size_fixed = 0;
+	} else {
+		BREAK_TO_DEBUGGER(); /* Invalid Project Specified */
+	}
+}
+
+static void set_mode_evaluation(struct _vcs_dpi_mode_evaluation_st *me, enum dml_project project)
+{
+	if (project == DML_PROJECT_RAVEN1) {
+		me->voltage_override = dm_vmin;
+	} else {
+		BREAK_TO_DEBUGGER(); /* Invalid Project Specified */
+	}
+}
+
+void dml_init_instance(struct display_mode_lib *lib, enum dml_project project)
+{
+	if (lib->project != project) {
+		set_soc_bounding_box(&lib->soc, project);
+		set_ip_params(&lib->ip, project);
+		set_mode_evaluation(&lib->me, project);
+		lib->project = project;
+	}
+}
+

drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_MODE_LIB_H__
+#define __DISPLAY_MODE_LIB_H__
+
+#include "dml_common_defs.h"
+#include "soc_bounding_box.h"
+#include "display_watermark.h"
+#include "display_pipe_clocks.h"
+#include "display_rq_dlg_calc.h"
+#include "display_mode_support.h"
+
+enum dml_project {
+	DML_PROJECT_UNDEFINED,
+	DML_PROJECT_RAVEN1
+};
+
+struct display_mode_lib {
+	struct _vcs_dpi_ip_params_st ip;
+	struct _vcs_dpi_soc_bounding_box_st soc;
+	struct _vcs_dpi_mode_evaluation_st me;
+	enum dml_project project;
+	struct dml_ms_internal_vars vars;
+	struct _vcs_dpi_wm_calc_pipe_params_st wm_param[DC__NUM_PIPES__MAX];
+	struct dal_logger *logger;
+};
+
+void dml_init_instance(struct display_mode_lib *lib, enum dml_project project);
+
+#endif

drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_MODE_STRUCTS_H__
+#define __DISPLAY_MODE_STRUCTS_H__
+
+struct _vcs_dpi_voltage_scaling_st {
+	double dcfclk_mhz;
+	double dispclk_mhz;
+	double dppclk_mhz;
+	double dram_bw_per_chan_gbps;
+	double phyclk_mhz;
+	double socclk_mhz;
+};
+
+struct _vcs_dpi_soc_bounding_box_st {
+	double sr_exit_time_us;
+	double sr_enter_plus_exit_time_us;
+	double urgent_latency_us;
+	double writeback_latency_us;
+	double ideal_dram_bw_after_urgent_percent;
+	unsigned int max_request_size_bytes;
+	struct _vcs_dpi_voltage_scaling_st vmin;
+	struct _vcs_dpi_voltage_scaling_st vmid;
+	struct _vcs_dpi_voltage_scaling_st vnom;
+	struct _vcs_dpi_voltage_scaling_st vmax;
+	double downspread_percent;
+	double dram_page_open_time_ns;
+	double dram_rw_turnaround_time_ns;
+	double dram_return_buffer_per_channel_bytes;
+	unsigned int round_trip_ping_latency_dcfclk_cycles;
+	unsigned int urgent_out_of_order_return_per_channel_bytes;
+	unsigned int channel_interleave_bytes;
+	unsigned int num_banks;
+	unsigned int num_chans;
+	unsigned int vmm_page_size_bytes;
+	double dram_clock_change_latency_us;
+	double writeback_dram_clock_change_latency_us;
+	unsigned int return_bus_width_bytes;
+};
+
+struct _vcs_dpi_ip_params_st {
+	unsigned int rob_buffer_size_kbytes;
+	unsigned int det_buffer_size_kbytes;
+	unsigned int dpte_buffer_size_in_pte_reqs;
+	unsigned int dpp_output_buffer_pixels;
+	unsigned int opp_output_buffer_lines;
+	unsigned int pixel_chunk_size_kbytes;
+	unsigned char pte_enable;
+	unsigned int pte_chunk_size_kbytes;
+	unsigned int meta_chunk_size_kbytes;
+	unsigned int writeback_chunk_size_kbytes;
+	unsigned int line_buffer_size_bits;
+	unsigned int max_line_buffer_lines;
+	unsigned int IsLineBufferBppFixed;
+	unsigned int LineBufferFixedBpp;
+	unsigned int writeback_luma_buffer_size_kbytes;
+	unsigned int writeback_chroma_buffer_size_kbytes;
+	unsigned int max_num_dpp;
+	unsigned int max_num_wb;
+	unsigned int max_dchub_pscl_bw_pix_per_clk;
+	unsigned int max_pscl_lb_bw_pix_per_clk;
+	unsigned int max_lb_vscl_bw_pix_per_clk;
+	unsigned int max_vscl_hscl_bw_pix_per_clk;
+	double max_hscl_ratio;
+	double max_vscl_ratio;
+	unsigned int hscl_mults;
+	unsigned int vscl_mults;
+	unsigned int max_hscl_taps;
+	unsigned int max_vscl_taps;
+	double dispclk_ramp_margin_percent;
+	double underscan_factor;
+	unsigned int min_vblank_lines;
+	unsigned int dppclk_delay_subtotal;
+	unsigned int dispclk_delay_subtotal;
+	unsigned int dcfclk_cstate_latency;
+	unsigned int max_inter_dcn_tile_repeaters;
+	unsigned int can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one;
+	unsigned int bug_forcing_LC_req_same_size_fixed;
+};
+
+struct _vcs_dpi_display_pipe_source_params_st {
+	int source_format;
+	unsigned char dcc;
+	unsigned int dcc_rate;
+	unsigned char vm;
+	int source_scan;
+	int sw_mode;
+	int macro_tile_size;
+	unsigned char is_display_sw;
+	unsigned int viewport_width;
+	unsigned int viewport_height;
+	unsigned int viewport_width_c;
+	unsigned int viewport_height_c;
+	unsigned int data_pitch;
+	unsigned int data_pitch_c;
+	unsigned int meta_pitch;
+	unsigned int meta_pitch_c;
+	unsigned int cur0_src_width;
+	int cur0_bpp;
+	unsigned char is_hsplit;
+	unsigned int hsplit_grp;
+};
+
+struct _vcs_dpi_display_output_params_st {
+	int output_bpc;
+	int output_type;
+	int output_format;
+	int output_standard;
+};
+
+struct _vcs_dpi_display_bandwidth_st {
+	double total_bw_consumed_gbps;
+	double guaranteed_urgent_return_bw_gbps;
+};
+
+struct _vcs_dpi_scaler_ratio_depth_st {
+	double hscl_ratio;
+	double vscl_ratio;
+	double hscl_ratio_c;
+	double vscl_ratio_c;
+	double vinit;
+	double vinit_c;
+	double vinit_bot;
+	double vinit_bot_c;
+	int lb_depth;
+};
+
+struct _vcs_dpi_scaler_taps_st {
+	unsigned int htaps;
+	unsigned int vtaps;
+	unsigned int htaps_c;
+	unsigned int vtaps_c;
+};
+
+struct _vcs_dpi_display_pipe_dest_params_st {
+	unsigned int recout_width;
+	unsigned int recout_height;
+	unsigned int full_recout_width;
+	unsigned int full_recout_height;
+	unsigned int hblank_start;
+	unsigned int hblank_end;
+	unsigned int vblank_start;
+	unsigned int vblank_end;
+	unsigned int htotal;
+	unsigned int vtotal;
+	unsigned int vactive;
+	unsigned int vstartup_start;
+	unsigned int vupdate_offset;
+	unsigned int vupdate_width;
+	unsigned int vready_offset;
+	unsigned int vsync_plus_back_porch;
+	unsigned char interlaced;
+	unsigned char underscan;
+	double pixel_rate_mhz;
+	unsigned char syncronized_vblank_all_planes;
+};
+
+struct _vcs_dpi_display_pipe_params_st {
+	struct _vcs_dpi_display_pipe_source_params_st src;
+	struct _vcs_dpi_display_pipe_dest_params_st dest;
+	struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth;
+	struct _vcs_dpi_scaler_taps_st scale_taps;
+};
+
+struct _vcs_dpi_display_clocks_and_cfg_st {
+	int voltage;
+	double dppclk_mhz;
+	double refclk_mhz;
+	double dispclk_mhz;
+	double dcfclk_mhz;
+	double socclk_mhz;
+};
+
+struct _vcs_dpi_display_e2e_pipe_params_st {
+	struct _vcs_dpi_display_pipe_params_st pipe;
+	struct _vcs_dpi_display_output_params_st dout;
+	struct _vcs_dpi_display_clocks_and_cfg_st clks_cfg;
+};
+
+struct _vcs_dpi_dchub_buffer_sizing_st {
+	unsigned int swath_width_y;
+	unsigned int swath_height_y;
+	unsigned int swath_height_c;
+	unsigned int detail_buffer_size_y;
+};
+
+struct _vcs_dpi_watermarks_perf_st {
+	double stutter_eff_in_active_region_percent;
+	double urgent_latency_supported_us;
+	double non_urgent_latency_supported_us;
+	double dram_clock_change_margin_us;
+	double dram_access_eff_percent;
+};
+
+struct _vcs_dpi_cstate_pstate_watermarks_st {
+	double cstate_exit_us;
+	double cstate_enter_plus_exit_us;
+	double pstate_change_us;
+};
+
+struct _vcs_dpi_wm_calc_pipe_params_st {
+	unsigned int num_dpp;
+	int voltage;
+	int output_type;
+	double dcfclk_mhz;
+	double socclk_mhz;
+	double dppclk_mhz;
+	double pixclk_mhz;
+	unsigned char interlace_en;
+	unsigned char pte_enable;
+	unsigned char dcc_enable;
+	double dcc_rate;
+	double bytes_per_pixel_c;
+	double bytes_per_pixel_y;
+	unsigned int swath_width_y;
+	unsigned int swath_height_y;
+	unsigned int swath_height_c;
+	unsigned int det_buffer_size_y;
+	double h_ratio;
+	double v_ratio;
+	unsigned int h_taps;
+	unsigned int h_total;
+	unsigned int v_total;
+	unsigned int v_active;
+	unsigned int e2e_index;
+	double display_pipe_line_delivery_time;
+	double read_bw;
+	unsigned int lines_in_det_y;
+	unsigned int lines_in_det_y_rounded_down_to_swath;
+	double full_det_buffering_time;
+	double dcfclk_deepsleep_mhz_per_plane;
+};
+
+struct _vcs_dpi_vratio_pre_st {
+	double vratio_pre_l;
+	double vratio_pre_c;
+};
+
+struct _vcs_dpi_display_data_rq_misc_params_st {
+	unsigned int full_swath_bytes;
+	unsigned int stored_swath_bytes;
+	unsigned int blk256_height;
+	unsigned int blk256_width;
+	unsigned int req_height;
+	unsigned int req_width;
+};
+
+struct _vcs_dpi_display_data_rq_sizing_params_st {
+	unsigned int chunk_bytes;
+	unsigned int min_chunk_bytes;
+	unsigned int meta_chunk_bytes;
+	unsigned int min_meta_chunk_bytes;
+	unsigned int mpte_group_bytes;
+	unsigned int dpte_group_bytes;
+};
+
+struct _vcs_dpi_display_data_rq_dlg_params_st {
+	unsigned int swath_width_ub;
+	unsigned int swath_height;
+	unsigned int req_per_swath_ub;
+	unsigned int meta_pte_bytes_per_frame_ub;
+	unsigned int dpte_req_per_row_ub;
+	unsigned int dpte_groups_per_row_ub;
+	unsigned int dpte_row_height;
+	unsigned int dpte_bytes_per_row_ub;
+	unsigned int meta_chunks_per_row_ub;
+	unsigned int meta_req_per_row_ub;
+	unsigned int meta_row_height;
+	unsigned int meta_bytes_per_row_ub;
+};
+
+struct _vcs_dpi_display_cur_rq_dlg_params_st {
+	unsigned char enable;
+	unsigned int swath_height;
+	unsigned int req_per_line;
+};
+
+struct _vcs_dpi_display_rq_dlg_params_st {
+	struct _vcs_dpi_display_data_rq_dlg_params_st rq_l;
+	struct _vcs_dpi_display_data_rq_dlg_params_st rq_c;
+	struct _vcs_dpi_display_cur_rq_dlg_params_st rq_cur0;
+};
+
+struct _vcs_dpi_display_rq_sizing_params_st {
+	struct _vcs_dpi_display_data_rq_sizing_params_st rq_l;
+	struct _vcs_dpi_display_data_rq_sizing_params_st rq_c;
+};
+
+struct _vcs_dpi_display_rq_misc_params_st {
+	struct _vcs_dpi_display_data_rq_misc_params_st rq_l;
+	struct _vcs_dpi_display_data_rq_misc_params_st rq_c;
+};
+
+struct _vcs_dpi_display_rq_params_st {
+	unsigned char yuv420;
+	unsigned char yuv420_10bpc;
+	struct _vcs_dpi_display_rq_misc_params_st misc;
+	struct _vcs_dpi_display_rq_sizing_params_st sizing;
+	struct _vcs_dpi_display_rq_dlg_params_st dlg;
+};
+
+struct _vcs_dpi_display_dlg_regs_st {
+	unsigned int refcyc_h_blank_end;
+	unsigned int dlg_vblank_end;
+	unsigned int min_dst_y_next_start;
+	unsigned int refcyc_per_htotal;
+	unsigned int refcyc_x_after_scaler;
+	unsigned int dst_y_after_scaler;
+	unsigned int dst_y_prefetch;
+	unsigned int dst_y_per_vm_vblank;
+	unsigned int dst_y_per_row_vblank;
+	unsigned int ref_freq_to_pix_freq;
+	unsigned int vratio_prefetch;
+	unsigned int vratio_prefetch_c;
+	unsigned int refcyc_per_pte_group_vblank_l;
+	unsigned int refcyc_per_pte_group_vblank_c;
+	unsigned int refcyc_per_meta_chunk_vblank_l;
+	unsigned int refcyc_per_meta_chunk_vblank_c;
+	unsigned int dst_y_per_pte_row_nom_l;
+	unsigned int dst_y_per_pte_row_nom_c;
+	unsigned int refcyc_per_pte_group_nom_l;
+	unsigned int refcyc_per_pte_group_nom_c;
+	unsigned int dst_y_per_meta_row_nom_l;
+	unsigned int dst_y_per_meta_row_nom_c;
+	unsigned int refcyc_per_meta_chunk_nom_l;
+	unsigned int refcyc_per_meta_chunk_nom_c;
+	unsigned int refcyc_per_line_delivery_pre_l;
+	unsigned int refcyc_per_line_delivery_pre_c;
+	unsigned int refcyc_per_line_delivery_l;
+	unsigned int refcyc_per_line_delivery_c;
+	unsigned int chunk_hdl_adjust_cur0;
+};
+
+struct _vcs_dpi_display_ttu_regs_st {
+	unsigned int qos_level_low_wm;
+	unsigned int qos_level_high_wm;
+	unsigned int min_ttu_vblank;
+	unsigned int qos_level_flip;
+	unsigned int refcyc_per_req_delivery_l;
+	unsigned int refcyc_per_req_delivery_c;
+	unsigned int refcyc_per_req_delivery_cur0;
+	unsigned int refcyc_per_req_delivery_pre_l;
+	unsigned int refcyc_per_req_delivery_pre_c;
+	unsigned int refcyc_per_req_delivery_pre_cur0;
+	unsigned int qos_level_fixed_l;
+	unsigned int qos_level_fixed_c;
+	unsigned int qos_level_fixed_cur0;
+	unsigned int qos_ramp_disable_l;
+	unsigned int qos_ramp_disable_c;
+	unsigned int qos_ramp_disable_cur0;
+};
+
+struct _vcs_dpi_display_data_rq_regs_st {
+	unsigned int chunk_size;
+	unsigned int min_chunk_size;
+	unsigned int meta_chunk_size;
+	unsigned int min_meta_chunk_size;
+	unsigned int dpte_group_size;
+	unsigned int mpte_group_size;
+	unsigned int swath_height;
+	unsigned int pte_row_height_linear;
+};
+
+struct _vcs_dpi_display_rq_regs_st {
+	struct _vcs_dpi_display_data_rq_regs_st rq_regs_l;
+	struct _vcs_dpi_display_data_rq_regs_st rq_regs_c;
+	unsigned int drq_expansion_mode;
+	unsigned int prq_expansion_mode;
+	unsigned int mrq_expansion_mode;
+	unsigned int crq_expansion_mode;
+	unsigned int plane1_base_address;
+};
+
+struct _vcs_dpi_display_dlg_sys_params_st {
+	double t_mclk_wm_us;
+	double t_urg_wm_us;
+	double t_sr_wm_us;
+	double t_extra_us;
+	double t_srx_delay_us;
+	double deepsleep_dcfclk_mhz;
+	double total_flip_bw;
+	unsigned int total_flip_bytes;
+};
+
+struct _vcs_dpi_display_dlg_prefetch_param_st {
+	double prefetch_bw;
+	unsigned int flip_bytes;
+};
+
+struct _vcs_dpi_display_pipe_clock_st {
+	double dcfclk_mhz;
+	double dispclk_mhz;
+	double dppclk_mhz[4];
+	unsigned char dppclk_div[4];
+};
+
+struct _vcs_dpi_display_arb_params_st {
+	int max_req_outstanding;
+	int min_req_outstanding;
+	int sat_level_us;
+};
+
+struct _vcs_dpi_mode_evaluation_st {
+	int voltage_override;
+};
+
+#endif /*__DISPLAY_MODE_STRUCTS_H__*/

drivers/gpu/drm/amd/display/dc/dml/display_mode_support.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "display_mode_support.h"
+#include "display_mode_lib.h"
+
+int dml_ms_check(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		int num_pipes)
+{
+	struct _vcs_dpi_ip_params_st *ip;
+	struct _vcs_dpi_soc_bounding_box_st *soc;
+	struct _vcs_dpi_mode_evaluation_st *me;
+	struct dml_ms_internal_vars *v;
+	int num_planes, i, j, ij, k, ijk;
+
+	ip = &(mode_lib->ip);
+	soc = &(mode_lib->soc);
+	me = &(mode_lib->me);
+	v = &(mode_lib->vars);
+	num_planes = dml_wm_e2e_to_wm(mode_lib, e2e, num_pipes, v->planes);
+
+	//instantiating variables to zero
+	v->MacroTileBlockWidthC = 0;
+	v->SwathWidthGranularityC = 0;
+
+	v->DCFCLKPerState[5] = 0;
+	v->DCFCLKPerState[4] = 0;
+	v->DCFCLKPerState[3] = 0;
+	v->DCFCLKPerState[2] = 0;
+	v->DCFCLKPerState[1] = 0;
+	v->DCFCLKPerState[0] = 0;
+
+	if (soc->vmin.dcfclk_mhz > 0) {
+		v->DCFCLKPerState[5] = soc->vmin.dcfclk_mhz;
+		v->DCFCLKPerState[4] = soc->vmin.dcfclk_mhz;
+		v->DCFCLKPerState[3] = soc->vmin.dcfclk_mhz;
+		v->DCFCLKPerState[2] = soc->vmin.dcfclk_mhz;
+		v->DCFCLKPerState[1] = soc->vmin.dcfclk_mhz;
+		v->DCFCLKPerState[0] = soc->vmin.dcfclk_mhz;
+	}
+
+	if (soc->vmid.dcfclk_mhz > 0) {
+		v->DCFCLKPerState[5] = soc->vmid.dcfclk_mhz;
+		v->DCFCLKPerState[4] = soc->vmid.dcfclk_mhz;
+		v->DCFCLKPerState[3] = soc->vmid.dcfclk_mhz;
+		v->DCFCLKPerState[2] = soc->vmid.dcfclk_mhz;
+		v->DCFCLKPerState[1] = soc->vmid.dcfclk_mhz;
+	}
+
+	if (soc->vnom.dcfclk_mhz > 0) {
+		v->DCFCLKPerState[5] = soc->vnom.dcfclk_mhz;
+		v->DCFCLKPerState[4] = soc->vnom.dcfclk_mhz;
+		v->DCFCLKPerState[3] = soc->vnom.dcfclk_mhz;
+		v->DCFCLKPerState[2] = soc->vnom.dcfclk_mhz;
+	}
+
+	if (soc->vmax.dcfclk_mhz > 0) {
+		v->DCFCLKPerState[5] = soc->vmax.dcfclk_mhz;
+		v->DCFCLKPerState[4] = soc->vmax.dcfclk_mhz;
+		v->DCFCLKPerState[3] = soc->vmax.dcfclk_mhz;
+	}
+
+	v->FabricAndDRAMBandwidthPerState[5] = 0;
+	v->FabricAndDRAMBandwidthPerState[4] = 0;
+	v->FabricAndDRAMBandwidthPerState[3] = 0;
+	v->FabricAndDRAMBandwidthPerState[2] = 0;
+	v->FabricAndDRAMBandwidthPerState[1] = 0;
+	v->FabricAndDRAMBandwidthPerState[0] = 0;
+
+	if (soc->vmin.dram_bw_per_chan_gbps > 0) {
+		v->FabricAndDRAMBandwidthPerState[5] = soc->vmin.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[4] = soc->vmin.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[3] = soc->vmin.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[2] = soc->vmin.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[1] = soc->vmin.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[0] = soc->vmin.dram_bw_per_chan_gbps;
+	}
+
+	if (soc->vmid.dram_bw_per_chan_gbps > 0) {
+		v->FabricAndDRAMBandwidthPerState[5] = soc->vmid.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[4] = soc->vmid.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[3] = soc->vmid.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[2] = soc->vmid.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[1] = soc->vmid.dram_bw_per_chan_gbps;
+	}
+
+	if (soc->vnom.dram_bw_per_chan_gbps > 0) {
+		v->FabricAndDRAMBandwidthPerState[5] = soc->vnom.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[4] = soc->vnom.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[3] = soc->vnom.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[2] = soc->vnom.dram_bw_per_chan_gbps;
+	}
+
+	if (soc->vmax.dram_bw_per_chan_gbps > 0) {
+		v->FabricAndDRAMBandwidthPerState[5] = soc->vmax.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[4] = soc->vmax.dram_bw_per_chan_gbps;
+		v->FabricAndDRAMBandwidthPerState[3] = soc->vmax.dram_bw_per_chan_gbps;
+	}
+
+	v->PHYCLKPerState[5] = 0;
+	v->PHYCLKPerState[4] = 0;
+	v->PHYCLKPerState[3] = 0;
+	v->PHYCLKPerState[2] = 0;
+	v->PHYCLKPerState[1] = 0;
+	v->PHYCLKPerState[0] = 0;
+
+	if (soc->vmin.phyclk_mhz > 0) {
+		v->PHYCLKPerState[5] = soc->vmin.phyclk_mhz;
+		v->PHYCLKPerState[4] = soc->vmin.phyclk_mhz;
+		v->PHYCLKPerState[3] = soc->vmin.phyclk_mhz;
+		v->PHYCLKPerState[2] = soc->vmin.phyclk_mhz;
+		v->PHYCLKPerState[1] = soc->vmin.phyclk_mhz;
+		v->PHYCLKPerState[0] = soc->vmin.phyclk_mhz;
+	}
+
+	if (soc->vmid.phyclk_mhz > 0) {
+		v->PHYCLKPerState[5] = soc->vmid.phyclk_mhz;
+		v->PHYCLKPerState[4] = soc->vmid.phyclk_mhz;
+		v->PHYCLKPerState[3] = soc->vmid.phyclk_mhz;
+		v->PHYCLKPerState[2] = soc->vmid.phyclk_mhz;
+		v->PHYCLKPerState[1] = soc->vmid.phyclk_mhz;
+	}
+
+	if (soc->vnom.phyclk_mhz > 0) {
+		v->PHYCLKPerState[5] = soc->vnom.phyclk_mhz;
+		v->PHYCLKPerState[4] = soc->vnom.phyclk_mhz;
+		v->PHYCLKPerState[3] = soc->vnom.phyclk_mhz;
+		v->PHYCLKPerState[2] = soc->vnom.phyclk_mhz;
+	}
+
+	if (soc->vmax.phyclk_mhz > 0) {
+		v->PHYCLKPerState[5] = soc->vmax.phyclk_mhz;
+		v->PHYCLKPerState[4] = soc->vmax.phyclk_mhz;
+		v->PHYCLKPerState[3] = soc->vmax.phyclk_mhz;
+	}
+
+	v->MaxDispclk[5] = 0;
+	v->MaxDispclk[4] = 0;
+	v->MaxDispclk[3] = 0;
+	v->MaxDispclk[2] = 0;
+	v->MaxDispclk[1] = 0;
+	v->MaxDispclk[0] = 0;
+
+	if (soc->vmin.dispclk_mhz > 0) {
+		v->MaxDispclk[5] = soc->vmin.dispclk_mhz;
+		v->MaxDispclk[4] = soc->vmin.dispclk_mhz;
+		v->MaxDispclk[3] = soc->vmin.dispclk_mhz;
+		v->MaxDispclk[2] = soc->vmin.dispclk_mhz;
+		v->MaxDispclk[1] = soc->vmin.dispclk_mhz;
+		v->MaxDispclk[0] = soc->vmin.dispclk_mhz;
+	}
+
+	if (soc->vmid.dispclk_mhz > 0) {
+		v->MaxDispclk[5] = soc->vmid.dispclk_mhz;
+		v->MaxDispclk[4] = soc->vmid.dispclk_mhz;
+		v->MaxDispclk[3] = soc->vmid.dispclk_mhz;
+		v->MaxDispclk[2] = soc->vmid.dispclk_mhz;
+		v->MaxDispclk[1] = soc->vmid.dispclk_mhz;
+	}
+
+	if (soc->vnom.dispclk_mhz > 0) {
+		v->MaxDispclk[5] = soc->vnom.dispclk_mhz;
+		v->MaxDispclk[4] = soc->vnom.dispclk_mhz;
+		v->MaxDispclk[3] = soc->vnom.dispclk_mhz;
+		v->MaxDispclk[2] = soc->vnom.dispclk_mhz;
+	}
+
+	if (soc->vmax.dispclk_mhz > 0) {
+		v->MaxDispclk[5] = soc->vmax.dispclk_mhz;
+		v->MaxDispclk[4] = soc->vmax.dispclk_mhz;
+		v->MaxDispclk[3] = soc->vmax.dispclk_mhz;
+	}
+
+	v->MaxDppclk[5] = 0;
+	v->MaxDppclk[4] = 0;
+	v->MaxDppclk[3] = 0;
+	v->MaxDppclk[2] = 0;
+	v->MaxDppclk[1] = 0;
+	v->MaxDppclk[0] = 0;
+
+	if (soc->vmin.dppclk_mhz > 0) {
+		v->MaxDppclk[5] = soc->vmin.dppclk_mhz;
+		v->MaxDppclk[4] = soc->vmin.dppclk_mhz;
+		v->MaxDppclk[3] = soc->vmin.dppclk_mhz;
+		v->MaxDppclk[2] = soc->vmin.dppclk_mhz;
+		v->MaxDppclk[1] = soc->vmin.dppclk_mhz;
+		v->MaxDppclk[0] = soc->vmin.dppclk_mhz;
+	}
+
+	if (soc->vmid.dppclk_mhz > 0) {
+		v->MaxDppclk[5] = soc->vmid.dppclk_mhz;
+		v->MaxDppclk[4] = soc->vmid.dppclk_mhz;
+		v->MaxDppclk[3] = soc->vmid.dppclk_mhz;
+		v->MaxDppclk[2] = soc->vmid.dppclk_mhz;
+		v->MaxDppclk[1] = soc->vmid.dppclk_mhz;
+	}
+
+	if (soc->vnom.dppclk_mhz > 0) {
+		v->MaxDppclk[5] = soc->vnom.dppclk_mhz;
+		v->MaxDppclk[4] = soc->vnom.dppclk_mhz;
+		v->MaxDppclk[3] = soc->vnom.dppclk_mhz;
+		v->MaxDppclk[2] = soc->vnom.dppclk_mhz;
+	}
+
+	if (soc->vmax.dppclk_mhz > 0) {
+		v->MaxDppclk[5] = soc->vmax.dppclk_mhz;
+		v->MaxDppclk[4] = soc->vmax.dppclk_mhz;
+		v->MaxDppclk[3] = soc->vmax.dppclk_mhz;
+	}
+
+	if (me->voltage_override == dm_vmax) {
+		v->VoltageOverrideLevel = NumberOfStates - 1;
+	} else if (me->voltage_override == dm_vnom) {
+		v->VoltageOverrideLevel = NumberOfStates - 2;
+	} else if (me->voltage_override == dm_vmid) {
+		v->VoltageOverrideLevel = NumberOfStates - 3;
+	} else {
+		v->VoltageOverrideLevel = 0;
+	}
+
+	// Scale Ratio Support Check
+
+	v->ScaleRatioSupport = 1;
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth =
+				e2e[v->planes[k].e2e_index].pipe.scale_ratio_depth;
+		struct _vcs_dpi_scaler_taps_st scale_taps =
+				e2e[v->planes[k].e2e_index].pipe.scale_taps;
+		struct _vcs_dpi_display_pipe_source_params_st src =
+				e2e[v->planes[k].e2e_index].pipe.src;
+
+		if (scale_ratio_depth.hscl_ratio > ip->max_hscl_ratio
+				|| scale_ratio_depth.vscl_ratio > ip->max_vscl_ratio
+				|| scale_ratio_depth.hscl_ratio > scale_taps.htaps
+				|| scale_ratio_depth.vscl_ratio > scale_taps.vtaps
+				|| (src.source_format != dm_444_64 && src.source_format != dm_444_32
+						&& src.source_format != dm_444_16
+						&& ((scale_ratio_depth.hscl_ratio / 2
+								> scale_taps.htaps_c)
+								|| (scale_ratio_depth.vscl_ratio / 2
+										> scale_taps.vtaps_c))))
+
+				{
+			v->ScaleRatioSupport = 0;
+		}
+	}
+
+	// Source Format, Pixel Format and Scan Support Check
+
+	v->SourceFormatPixelAndScanSupport = 1;
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_source_params_st src =
+				e2e[v->planes[k].e2e_index].pipe.src;
+
+		if ((src.sw_mode == dm_sw_linear && src.source_scan != dm_horz)
+				|| ((src.sw_mode == dm_sw_4kb_d || src.sw_mode == dm_sw_4kb_d_x
+						|| src.sw_mode == dm_sw_64kb_d
+						|| src.sw_mode == dm_sw_64kb_d_t
+						|| src.sw_mode == dm_sw_64kb_d_x
+						|| src.sw_mode == dm_sw_var_d
+						|| src.sw_mode == dm_sw_var_d_x)
+						&& (src.source_format != dm_444_64))) {
+			v->SourceFormatPixelAndScanSupport = 0;
+		}
+	}
+
+	// Bandwidth Support Check
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_source_params_st src =
+				e2e[v->planes[k].e2e_index].pipe.src;
+
+		if (src.source_scan == dm_horz) {
+			v->SwathWidthYSingleDPP[k] = src.viewport_width;
+		} else {
+			v->SwathWidthYSingleDPP[k] = src.viewport_height;
+		}
+
+		if (src.source_format == dm_444_64) {
+			v->BytePerPixelInDETY[k] = 8;
+			v->BytePerPixelInDETC[k] = 0;
+		} else if (src.source_format == dm_444_32) {
+			v->BytePerPixelInDETY[k] = 4;
+			v->BytePerPixelInDETC[k] = 0;
+		} else if (src.source_format == dm_444_16) {
+			v->BytePerPixelInDETY[k] = 2;
+			v->BytePerPixelInDETC[k] = 0;
+		} else if (src.source_format == dm_420_8) {
+			v->BytePerPixelInDETY[k] = 1;
+			v->BytePerPixelInDETC[k] = 2;
+		} else {
+			v->BytePerPixelInDETY[k] = 4.00 / 3.00;
+			v->BytePerPixelInDETC[k] = 8.00 / 3.00;
+		}
+	}
+
+	v->TotalReadBandwidthConsumedGBytePerSecond = 0;
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_source_params_st src =
+				e2e[v->planes[k].e2e_index].pipe.src;
+		struct _vcs_dpi_display_pipe_dest_params_st dest =
+				e2e[v->planes[k].e2e_index].pipe.dest;
+		struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth =
+				e2e[v->planes[k].e2e_index].pipe.scale_ratio_depth;
+
+		v->ReadBandwidth[k] =
+				v->SwathWidthYSingleDPP[k]
+						* (dml_ceil_ex(v->BytePerPixelInDETY[k], 1)
+								* scale_ratio_depth.vscl_ratio
+								+ (dml_ceil_ex(
+										v->BytePerPixelInDETC[k],
+										2) / 2)
+										* (scale_ratio_depth.vscl_ratio
+												/ 2))
+						/ (dest.htotal / dest.pixel_rate_mhz);
+
+		if (src.dcc == 1) {
+			v->ReadBandwidth[k] = v->ReadBandwidth[k] * (1 + 1 / 256);
+		}
+
+		if (ip->pte_enable == 1 && src.source_scan != dm_horz
+				&& (src.sw_mode == dm_sw_4kb_s || src.sw_mode == dm_sw_4kb_s_x
+						|| src.sw_mode == dm_sw_4kb_d
+						|| src.sw_mode == dm_sw_4kb_d_x)) {
+			v->ReadBandwidth[k] = v->ReadBandwidth[k] * (1 + 1 / 64);
+		} else if (ip->pte_enable == 1 && src.source_scan == dm_horz
+				&& (src.source_format == dm_444_64 || src.source_format == dm_444_32)
+				&& (src.sw_mode == dm_sw_64kb_s || src.sw_mode == dm_sw_64kb_s_t
+						|| src.sw_mode == dm_sw_64kb_s_x
+						|| src.sw_mode == dm_sw_64kb_d
+						|| src.sw_mode == dm_sw_64kb_d_t
+						|| src.sw_mode == dm_sw_64kb_d_x)) {
+			v->ReadBandwidth[k] = v->ReadBandwidth[k] * (1 + 1 / 256);
+		} else if (ip->pte_enable == 1) {
+			v->ReadBandwidth[k] = v->ReadBandwidth[k] * (1 + 1 / 512);
+		}
+
+		v->TotalReadBandwidthConsumedGBytePerSecond =
+				v->TotalReadBandwidthConsumedGBytePerSecond
+						+ v->ReadBandwidth[k] / 1000;
+	}
+
+	v->TotalWriteBandwidthConsumedGBytePerSecond = 0;
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_dest_params_st dest =
+				e2e[v->planes[k].e2e_index].pipe.dest;
+		struct _vcs_dpi_display_output_params_st dout = e2e[v->planes[k].e2e_index].dout;
+
+		if (dout.output_type == dm_wb && dout.output_format == dm_444) {
+			v->WriteBandwidth[k] = dest.recout_width
+					/ (dest.htotal / dest.pixel_rate_mhz) * 4;
+		} else if (dout.output_type == dm_wb) {
+			v->WriteBandwidth[k] = dest.recout_width
+					/ (dest.htotal / dest.pixel_rate_mhz) * 1.5;
+		} else {
+			v->WriteBandwidth[k] = 0;
+		}
+
+		v->TotalWriteBandwidthConsumedGBytePerSecond =
+				v->TotalWriteBandwidthConsumedGBytePerSecond
+						+ v->WriteBandwidth[k] / 1000;
+	}
+
+	v->TotalBandwidthConsumedGBytePerSecond = v->TotalReadBandwidthConsumedGBytePerSecond
+			+ v->TotalWriteBandwidthConsumedGBytePerSecond;
+
+	v->DCCEnabledInAnyPlane = 0;
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_source_params_st src =
+				e2e[v->planes[k].e2e_index].pipe.src;
+
+		if (src.dcc == 1) {
+			v->DCCEnabledInAnyPlane = 1;
+		}
+	}
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		v->ReturnBWToDCNPerState = dml_min(
+				soc->return_bus_width_bytes * v->DCFCLKPerState[i],
+				v->FabricAndDRAMBandwidthPerState[i] * 1000
+						* soc->ideal_dram_bw_after_urgent_percent / 100);
+
+		v->ReturnBWPerState[i] = v->ReturnBWToDCNPerState;
+
+		if (v->DCCEnabledInAnyPlane == 1
+				&& v->ReturnBWToDCNPerState
+						> (v->DCFCLKPerState[i]
+								* soc->return_bus_width_bytes / 4)) {
+			v->ReturnBWPerState[i] =
+					dml_min(
+							v->ReturnBWPerState[i],
+							v->ReturnBWToDCNPerState * 4
+									* (1
+											- soc->urgent_latency_us
+													/ ((ip->rob_buffer_size_kbytes
+															- ip->pixel_chunk_size_kbytes)
+															* 1024
+															/ (v->ReturnBWToDCNPerState
+																	- v->DCFCLKPerState[i]
+																			* soc->return_bus_width_bytes
+																			/ 4)
+															+ soc->urgent_latency_us)));
+		}
+
+		v->CriticalPoint = 2 * soc->return_bus_width_bytes * v->DCFCLKPerState[i]
+				* soc->urgent_latency_us
+				/ (v->ReturnBWToDCNPerState * soc->urgent_latency_us
+						+ (ip->rob_buffer_size_kbytes
+								- ip->pixel_chunk_size_kbytes)
+								* 1024);
+
+		if (v->DCCEnabledInAnyPlane == 1 && v->CriticalPoint > 1 && v->CriticalPoint < 4) {
+			v->ReturnBWPerState[i] =
+					dml_min(
+							v->ReturnBWPerState[i],
+							4 * v->ReturnBWToDCNPerState
+									* (ip->rob_buffer_size_kbytes
+											- ip->pixel_chunk_size_kbytes)
+									* 1024
+									* soc->return_bus_width_bytes
+									* v->DCFCLKPerState[i]
+									* soc->urgent_latency_us
+									/ dml_pow(
+											(v->ReturnBWToDCNPerState
+													* soc->urgent_latency_us
+													+ (ip->rob_buffer_size_kbytes
+															- ip->pixel_chunk_size_kbytes)
+															* 1024),
+											2));
+		}
+
+		v->ReturnBWToDCNPerState = dml_min(
+				soc->return_bus_width_bytes * v->DCFCLKPerState[i],
+				v->FabricAndDRAMBandwidthPerState[i] * 1000);
+
+		if (v->DCCEnabledInAnyPlane == 1
+				&& v->ReturnBWToDCNPerState
+						> (v->DCFCLKPerState[i]
+								* soc->return_bus_width_bytes / 4)) {
+			v->ReturnBWPerState[i] =
+					dml_min(
+							v->ReturnBWPerState[i],
+							v->ReturnBWToDCNPerState * 4
+									* (1
+											- soc->urgent_latency_us
+													/ ((ip->rob_buffer_size_kbytes
+															- ip->pixel_chunk_size_kbytes)
+															* 1024
+															/ (v->ReturnBWToDCNPerState
+																	- v->DCFCLKPerState[i]
+																			* soc->return_bus_width_bytes
+																			/ 4)
+															+ soc->urgent_latency_us)));
+		}
+
+		v->CriticalPoint = 2 * soc->return_bus_width_bytes * v->DCFCLKPerState[i]
+				* soc->urgent_latency_us
+				/ (v->ReturnBWToDCNPerState * soc->urgent_latency_us
+						+ (ip->rob_buffer_size_kbytes
+								- ip->pixel_chunk_size_kbytes)
+								* 1024);
+
+		if (v->DCCEnabledInAnyPlane == 1 && v->CriticalPoint > 1 && v->CriticalPoint < 4) {
+			v->ReturnBWPerState[i] =
+					dml_min(
+							v->ReturnBWPerState[i],
+							4 * v->ReturnBWToDCNPerState
+									* (ip->rob_buffer_size_kbytes
+											- ip->pixel_chunk_size_kbytes)
+									* 1024
+									* soc->return_bus_width_bytes
+									* v->DCFCLKPerState[i]
+									* soc->urgent_latency_us
+									/ dml_pow(
+											(v->ReturnBWToDCNPerState
+													* soc->urgent_latency_us
+													+ (ip->rob_buffer_size_kbytes
+															- ip->pixel_chunk_size_kbytes)
+															* 1024),
+											2));
+		}
+	}
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		if ((v->TotalReadBandwidthConsumedGBytePerSecond * 1000 <= v->ReturnBWPerState[i])
+				&& (v->TotalBandwidthConsumedGBytePerSecond * 1000
+						<= v->FabricAndDRAMBandwidthPerState[i] * 1000
+								* soc->ideal_dram_bw_after_urgent_percent
+								/ 100)) {
+			v->BandwidthSupport[i] = 1;
+		} else {
+			v->BandwidthSupport[i] = 0;
+		}
+	}
+
+	// Writeback Latency support check
+
+	v->WritebackLatencySupport = 1;
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_dest_params_st dest =
+				e2e[v->planes[k].e2e_index].pipe.dest;
+		struct _vcs_dpi_display_output_params_st dout = e2e[v->planes[k].e2e_index].dout;
+
+		if (dout.output_type == dm_wb && dout.output_format == dm_444
+				&& (dest.recout_width / (dest.htotal / dest.pixel_rate_mhz) * 4)
+						> ((ip->writeback_luma_buffer_size_kbytes
+								+ ip->writeback_chroma_buffer_size_kbytes)
+								* 1024 / soc->writeback_latency_us)) {
+			v->WritebackLatencySupport = 0;
+		} else if (dout.output_type == dm_wb
+				&& (dest.recout_width / (dest.htotal / dest.pixel_rate_mhz))
+						> (dml_min(
+								ip->writeback_luma_buffer_size_kbytes,
+								2
+										* ip->writeback_chroma_buffer_size_kbytes)
+								* 1024 / soc->writeback_latency_us)) {
+			v->WritebackLatencySupport = 0;
+		}
+	}
+
+	// Re-ordering Buffer Support Check
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		v->UrgentRoundTripAndOutOfOrderLatencyPerState[i] =
+				(soc->round_trip_ping_latency_dcfclk_cycles + 32)
+						/ v->DCFCLKPerState[i]
+						+ soc->urgent_out_of_order_return_per_channel_bytes
+								* soc->num_chans
+								/ v->ReturnBWPerState[i];
+
+		if ((ip->rob_buffer_size_kbytes - ip->pixel_chunk_size_kbytes) * 1024
+				/ v->ReturnBWPerState[i]
+				> v->UrgentRoundTripAndOutOfOrderLatencyPerState[i]) {
+			v->ROBSupport[i] = 1;
+		} else {
+			v->ROBSupport[i] = 0;
+		}
+	}
+
+	// Display IO Support Check
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_dest_params_st dest =
+				e2e[v->planes[k].e2e_index].pipe.dest;
+		struct _vcs_dpi_display_output_params_st dout = e2e[v->planes[k].e2e_index].dout;
+
+		if (dout.output_format == dm_420) {
+			v->RequiredOutputBW = dest.pixel_rate_mhz * 3 / 2;
+		} else {
+			v->RequiredOutputBW = dest.pixel_rate_mhz * 3;
+		}
+
+		if (dout.output_type == dm_hdmi) {
+			v->RequiredPHYCLK[k] = v->RequiredOutputBW / 3;
+		} else if (dout.output_type == dm_dp) {
+			v->RequiredPHYCLK[k] = v->RequiredOutputBW / 4;
+		} else {
+			v->RequiredPHYCLK[k] = 0;
+		}
+	}
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		v->DIOSupport[i] = 1;
+
+		for (k = 0; k < num_planes; k++) {
+			struct _vcs_dpi_display_output_params_st dout =
+					e2e[v->planes[k].e2e_index].dout;
+
+			if ((v->RequiredPHYCLK[k] > v->PHYCLKPerState[i])
+					|| (dout.output_type == dm_hdmi
+							&& v->RequiredPHYCLK[k] > 600)) {
+				v->DIOSupport[i] = 0;
+			}
+		}
+	}
+
+	// Total Available Writeback Support Check
+
+	v->TotalNumberOfActiveWriteback = 0;
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_output_params_st dout = e2e[v->planes[k].e2e_index].dout;
+
+		if (dout.output_type == dm_wb) {
+			v->TotalNumberOfActiveWriteback = v->TotalNumberOfActiveWriteback + 1;
+		}
+	}
+
+	if (v->TotalNumberOfActiveWriteback <= ip->max_num_wb) {
+		v->TotalAvailableWritebackSupport = 1;
+	} else {
+		v->TotalAvailableWritebackSupport = 0;
+	}
+
+	// Maximum DISPCLK/DPPCLK Support check
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_dest_params_st dest =
+				e2e[v->planes[k].e2e_index].pipe.dest;
+		struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth =
+				e2e[v->planes[k].e2e_index].pipe.scale_ratio_depth;
+		struct _vcs_dpi_scaler_taps_st scale_taps =
+				e2e[v->planes[k].e2e_index].pipe.scale_taps;
+
+		if (scale_ratio_depth.hscl_ratio > 1) {
+			v->PSCL_FACTOR[k] = dml_min(
+					ip->max_dchub_pscl_bw_pix_per_clk,
+					ip->max_pscl_lb_bw_pix_per_clk
+							* scale_ratio_depth.hscl_ratio
+							/ dml_ceil_ex(scale_taps.htaps / 6, 1));
+		} else {
+			v->PSCL_FACTOR[k] = dml_min(
+					ip->max_dchub_pscl_bw_pix_per_clk,
+					ip->max_pscl_lb_bw_pix_per_clk);
+		}
+
+		if (v->BytePerPixelInDETC[k] == 0) {
+			v->PSCL_FACTOR_CHROMA[k] = 0;
+			v->MinDPPCLKUsingSingleDPP[k] =
+					dest.pixel_rate_mhz
+							* dml_max(
+									scale_taps.vtaps / 6
+											* dml_min(
+													1,
+													scale_ratio_depth.hscl_ratio),
+									dml_max(
+											scale_ratio_depth.hscl_ratio
+													* scale_ratio_depth.vscl_ratio
+													/ v->PSCL_FACTOR[k],
+											1));
+
+		} else {
+			if (scale_ratio_depth.hscl_ratio / 2 > 1) {
+				v->PSCL_FACTOR_CHROMA[k] = dml_min(
+						ip->max_dchub_pscl_bw_pix_per_clk,
+						ip->max_pscl_lb_bw_pix_per_clk
+								* scale_ratio_depth.hscl_ratio / 2
+								/ dml_ceil_ex(
+										scale_taps.htaps_c
+												/ 6,
+										1));
+			} else {
+				v->PSCL_FACTOR_CHROMA[k] = dml_min(
+						ip->max_dchub_pscl_bw_pix_per_clk,
+						ip->max_pscl_lb_bw_pix_per_clk);
+			}
+			v->MinDPPCLKUsingSingleDPP[k] =
+					dest.pixel_rate_mhz
+							* dml_max(
+									dml_max(
+											scale_taps.vtaps
+													/ 6
+													* dml_min(
+															1,
+															scale_ratio_depth.hscl_ratio),
+											scale_ratio_depth.hscl_ratio
+													* scale_ratio_depth.vscl_ratio
+													/ v->PSCL_FACTOR[k]),
+									dml_max(
+											dml_max(
+													scale_taps.vtaps_c
+															/ 6
+															* dml_min(
+																	1,
+																	scale_ratio_depth.hscl_ratio
+																			/ 2),
+													scale_ratio_depth.hscl_ratio
+															* scale_ratio_depth.vscl_ratio
+															/ 4
+															/ v->PSCL_FACTOR_CHROMA[k]),
+											1));
+
+		}
+	}
+
+	for (k = 0; k < num_planes; k++) {
+		struct _vcs_dpi_display_pipe_source_params_st src =
+				e2e[v->planes[k].e2e_index].pipe.src;
+		struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth =
+				e2e[v->planes[k].e2e_index].pipe.scale_ratio_depth;
+		struct _vcs_dpi_scaler_taps_st scale_taps =
+				e2e[v->planes[k].e2e_index].pipe.scale_taps;
+
+		if (src.source_format == dm_444_64 || src.source_format == dm_444_32
+				|| src.source_format == dm_444_16) {
+			if (src.sw_mode == dm_sw_linear) {
+				v->Read256BlockHeightY[k] = 1;
+			} else if (src.source_format == dm_444_64) {
+				v->Read256BlockHeightY[k] = 4;
+			} else {
+				v->Read256BlockHeightY[k] = 8;
+			}
+
+			v->Read256BlockWidthY[k] = 256 / dml_ceil_ex(v->BytePerPixelInDETY[k], 1)
+					/ v->Read256BlockHeightY[k];
+			v->Read256BlockHeightC[k] = 0;
+			v->Read256BlockWidthC[k] = 0;
+		} else {
+			if (src.sw_mode == dm_sw_linear) {
+				v->Read256BlockHeightY[k] = 1;
+				v->Read256BlockHeightC[k] = 1;
+			} else if (src.source_format == dm_420_8) {
+				v->Read256BlockHeightY[k] = 16;
+				v->Read256BlockHeightC[k] = 8;
+			} else {
+				v->Read256BlockHeightY[k] = 8;
+				v->Read256BlockHeightC[k] = 8;
+			}
+
+			v->Read256BlockWidthY[k] = 256 / dml_ceil_ex(v->BytePerPixelInDETY[k], 1)
+					/ v->Read256BlockHeightY[k];
+			v->Read256BlockWidthC[k] = 256 / dml_ceil_ex(v->BytePerPixelInDETC[k], 2)
+					/ v->Read256BlockHeightC[k];
+		}
+
+		if (src.source_scan == dm_horz) {
+			v->MaxSwathHeightY[k] = v->Read256BlockHeightY[k];
+			v->MaxSwathHeightC[k] = v->Read256BlockHeightC[k];
+		} else {
+			v->MaxSwathHeightY[k] = v->Read256BlockWidthY[k];
+			v->MaxSwathHeightC[k] = v->Read256BlockWidthC[k];
+		}
+
+		if (src.source_format == dm_444_64 || src.source_format == dm_444_32
+				|| src.source_format == dm_444_16) {
+			if (src.sw_mode == dm_sw_linear
+					|| (src.source_format == dm_444_64
+							&& (src.sw_mode == dm_sw_4kb_s
+									|| src.sw_mode
+											== dm_sw_4kb_s_x
+									|| src.sw_mode
+											== dm_sw_64kb_s
+									|| src.sw_mode
+											== dm_sw_64kb_s_t
+									|| src.sw_mode
+											== dm_sw_64kb_s_x
+									|| src.sw_mode
+											== dm_sw_var_s
+									|| src.sw_mode
+											== dm_sw_var_s_x)
+							&& src.source_scan == dm_horz)) {
+				v->MinSwathHeightY[k] = v->MaxSwathHeightY[k];
+			} else {
+				v->MinSwathHeightY[k] = v->MaxSwathHeightY[k] / 2;
+			}
+			v->MinSwathHeightC[k] = v->MaxSwathHeightC[k];
+		} else {
+			if (src.sw_mode == dm_sw_linear) {
+				v->MinSwathHeightY[k] = v->MaxSwathHeightY[k];
+				v->MinSwathHeightC[k] = v->MaxSwathHeightC[k];
+			} else if (src.source_format == dm_420_8 && src.source_scan == dm_horz) {
+				v->MinSwathHeightY[k] = v->MaxSwathHeightY[k] / 2;
+				if (ip->bug_forcing_LC_req_same_size_fixed == 1) {
+					v->MinSwathHeightC[k] = v->MaxSwathHeightC[k];
+				} else {
+					v->MinSwathHeightC[k] = v->MaxSwathHeightC[k] / 2;
+				}
+			} else if (src.source_format == dm_420_10 && src.source_scan == dm_horz) {
+				v->MinSwathHeightC[k] = v->MaxSwathHeightC[k] / 2;
+				if (ip->bug_forcing_LC_req_same_size_fixed == 1) {
+					v->MinSwathHeightY[k] = v->MaxSwathHeightY[k];
+				} else {
+					v->MinSwathHeightY[k] = v->MaxSwathHeightY[k] / 2;
+				}
+			} else {
+				v->MinSwathHeightY[k] = v->MaxSwathHeightY[k];
+				v->MinSwathHeightC[k] = v->MaxSwathHeightC[k];
+			}
+		}
+
+		if (src.sw_mode == dm_sw_linear) {
+			v->MaximumSwathWidth = 8192;
+		} else {
+			v->MaximumSwathWidth = 5120;
+		}
+
+		v->NumberOfDPPRequiredForDETSize =
+				dml_ceil_ex(
+						v->SwathWidthYSingleDPP[k]
+								/ dml_min(
+										v->MaximumSwathWidth,
+										ip->det_buffer_size_kbytes
+												* 1024
+												/ 2
+												/ (v->BytePerPixelInDETY[k]
+														* v->MinSwathHeightY[k]
+														+ v->BytePerPixelInDETC[k]
+																/ 2
+																* v->MinSwathHeightC[k])),
+						1);
+
+		if (v->BytePerPixelInDETC[k] == 0) {
+			v->NumberOfDPPRequiredForLBSize =
+					dml_ceil_ex(
+							(scale_taps.vtaps
+									+ dml_max(
+											dml_ceil_ex(
+													scale_ratio_depth.vscl_ratio,
+													1)
+													- 2,
+											0))
+									* v->SwathWidthYSingleDPP[k]
+									/ dml_max(
+											scale_ratio_depth.hscl_ratio,
+											1)
+									* scale_ratio_depth.lb_depth
+									/ ip->line_buffer_size_bits,
+							1);
+		} else {
+			v->NumberOfDPPRequiredForLBSize =
+					dml_max(
+							dml_ceil_ex(
+									(scale_taps.vtaps
+											+ dml_max(
+													dml_ceil_ex(
+															scale_ratio_depth.vscl_ratio,
+															1)
+															- 2,
+													0))
+											* v->SwathWidthYSingleDPP[k]
+											/ dml_max(
+													scale_ratio_depth.hscl_ratio,
+													1)
+											* scale_ratio_depth.lb_depth
+											/ ip->line_buffer_size_bits,
+									1),
+							dml_ceil_ex(
+									(scale_taps.vtaps_c
+											+ dml_max(
+													dml_ceil_ex(
+															scale_ratio_depth.vscl_ratio
+																	/ 2,
+															1)
+															- 2,
+													0))
+											* v->SwathWidthYSingleDPP[k]
+											/ 2
+											/ dml_max(
+													scale_ratio_depth.hscl_ratio
+															/ 2,
+													1)
+											* scale_ratio_depth.lb_depth
+											/ ip->line_buffer_size_bits,
+									1));
+		}
+
+		v->NumberOfDPPRequiredForDETAndLBSize[k] = dml_max(
+				v->NumberOfDPPRequiredForDETSize,
+				v->NumberOfDPPRequiredForLBSize);
+
+	}
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		for (j = 0; j < 2; j++) {
+			v->TotalNumberOfActiveDPP[j * NumberOfStatesPlusTwo + i] = 0;
+			v->RequiredDISPCLK[j * NumberOfStatesPlusTwo + i] = 0;
+			v->DISPCLK_DPPCLK_Support[j * NumberOfStatesPlusTwo + i] = 1;
+
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_dest_params_st dest =
+						e2e[v->planes[k].e2e_index].pipe.dest;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				v->MinDispclkUsingSingleDPP = dml_max(
+						dest.pixel_rate_mhz,
+						v->MinDPPCLKUsingSingleDPP[k] * (j + 1))
+						* (1 + soc->downspread_percent / 100);
+				v->MinDispclkUsingDualDPP = dml_max(
+						dest.pixel_rate_mhz,
+						v->MinDPPCLKUsingSingleDPP[k] / 2 * (j + 1))
+						* (1 + soc->downspread_percent / 100);
+
+				if (i < NumberOfStates) {
+					v->MinDispclkUsingSingleDPP =
+							v->MinDispclkUsingSingleDPP
+									* (1
+											+ ip->dispclk_ramp_margin_percent
+													/ 100);
+					v->MinDispclkUsingDualDPP =
+							v->MinDispclkUsingDualDPP
+									* (1
+											+ ip->dispclk_ramp_margin_percent
+													/ 100);
+				}
+
+				if (v->MinDispclkUsingSingleDPP
+						<= dml_min(
+								v->MaxDispclk[i],
+								(j + 1) * v->MaxDppclk[i])
+						&& v->NumberOfDPPRequiredForDETAndLBSize[k] <= 1) {
+					v->NoOfDPP[ijk] = 1;
+					v->RequiredDISPCLK[j * NumberOfStatesPlusTwo + i] = dml_max(
+							v->RequiredDISPCLK[j * NumberOfStatesPlusTwo
+									+ i],
+							v->MinDispclkUsingSingleDPP);
+				} else if (v->MinDispclkUsingDualDPP
+						<= dml_min(
+								v->MaxDispclk[i],
+								(j + 1) * v->MaxDppclk[i])) {
+					v->NoOfDPP[ijk] = 2;
+					v->RequiredDISPCLK[j * NumberOfStatesPlusTwo + i] = dml_max(
+							v->RequiredDISPCLK[j * NumberOfStatesPlusTwo
+									+ i],
+							v->MinDispclkUsingDualDPP);
+				} else {
+					v->NoOfDPP[ijk] = 2;
+					v->RequiredDISPCLK[j * NumberOfStatesPlusTwo + i] = dml_max(
+							v->RequiredDISPCLK[j * NumberOfStatesPlusTwo
+									+ i],
+							v->MinDispclkUsingDualDPP);
+					v->DISPCLK_DPPCLK_Support[j * NumberOfStatesPlusTwo + i] =
+							0;
+				}
+
+				v->TotalNumberOfActiveDPP[j * NumberOfStatesPlusTwo + i] =
+						v->TotalNumberOfActiveDPP[j * NumberOfStatesPlusTwo
+								+ i] + v->NoOfDPP[ijk];
+			}
+
+			if (v->TotalNumberOfActiveDPP[j * NumberOfStatesPlusTwo + i]
+					> ip->max_num_dpp) {
+				v->TotalNumberOfActiveDPP[j * NumberOfStatesPlusTwo + i] = 0;
+				v->RequiredDISPCLK[j * NumberOfStatesPlusTwo + i] = 0;
+				v->DISPCLK_DPPCLK_Support[j * NumberOfStatesPlusTwo + i] = 1;
+
+				for (k = 0; k < num_planes; k++) {
+					struct _vcs_dpi_display_pipe_dest_params_st dest =
+							e2e[v->planes[k].e2e_index].pipe.dest;
+					ijk = k * 2 * NumberOfStatesPlusTwo
+							+ j * NumberOfStatesPlusTwo + i;
+
+					v->MinDispclkUsingSingleDPP = dml_max(
+							dest.pixel_rate_mhz,
+							v->MinDPPCLKUsingSingleDPP[k] * (j + 1))
+							* (1 + soc->downspread_percent / 100);
+					v->MinDispclkUsingDualDPP = dml_max(
+							dest.pixel_rate_mhz,
+							v->MinDPPCLKUsingSingleDPP[k] / 2 * (j + 1))
+							* (1 + soc->downspread_percent / 100);
+
+					if (i < NumberOfStates) {
+						v->MinDispclkUsingSingleDPP =
+								v->MinDispclkUsingSingleDPP
+										* (1
+												+ ip->dispclk_ramp_margin_percent
+														/ 100);
+						v->MinDispclkUsingDualDPP =
+								v->MinDispclkUsingDualDPP
+										* (1
+												+ ip->dispclk_ramp_margin_percent
+														/ 100);
+					}
+
+					if (v->NumberOfDPPRequiredForDETAndLBSize[k] <= 1) {
+						v->NoOfDPP[ijk] = 1;
+						v->RequiredDISPCLK[j * NumberOfStatesPlusTwo + i] =
+								dml_max(
+										v->RequiredDISPCLK[j
+												* NumberOfStatesPlusTwo
+												+ i],
+										v->MinDispclkUsingSingleDPP);
+						if (v->MinDispclkUsingSingleDPP
+								> dml_min(
+										v->MaxDispclk[i],
+										(j + 1)
+												* v->MaxDppclk[i])) {
+							v->DISPCLK_DPPCLK_Support[j
+									* NumberOfStatesPlusTwo + i] =
+									0;
+						}
+					} else {
+						v->NoOfDPP[ijk] = 2;
+						v->RequiredDISPCLK[j * NumberOfStatesPlusTwo + i] =
+								dml_max(
+										v->RequiredDISPCLK[j
+												* NumberOfStatesPlusTwo
+												+ i],
+										v->MinDispclkUsingDualDPP);
+						if (v->MinDispclkUsingDualDPP
+								> dml_min(
+										v->MaxDispclk[i],
+										(j + 1)
+												* v->MaxDppclk[i])) {
+							v->DISPCLK_DPPCLK_Support[j
+									* NumberOfStatesPlusTwo + i] =
+									0;
+						}
+					}
+					v->TotalNumberOfActiveDPP[j * NumberOfStatesPlusTwo + i] =
+							v->TotalNumberOfActiveDPP[j
+									* NumberOfStatesPlusTwo + i]
+									+ v->NoOfDPP[ijk];
+				}
+			}
+		}
+	}
+
+	// Viewport Size Check
+
+	v->ViewportSizeSupport = 1;
+
+	for (k = 0; k < num_planes; k++) {
+		if (v->NumberOfDPPRequiredForDETAndLBSize[k] > 2) {
+			v->ViewportSizeSupport = 0;
+		}
+	}
+
+	// Total Available Pipes Support Check
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		for (j = 0; j < 2; j++) {
+			if (v->TotalNumberOfActiveDPP[j * NumberOfStatesPlusTwo + i]
+					<= ip->max_num_dpp) {
+				v->TotalAvailablePipesSupport[j * NumberOfStatesPlusTwo + i] = 1;
+			} else {
+				v->TotalAvailablePipesSupport[j * NumberOfStatesPlusTwo + i] = 0;
+			}
+		}
+	}
+
+	// Urgent Latency Support Check
+
+	for (j = 0; j < 2; j++) {
+		for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+			ij = j * NumberOfStatesPlusTwo + i;
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_source_params_st src =
+						e2e[v->planes[k].e2e_index].pipe.src;
+				struct _vcs_dpi_display_pipe_dest_params_st dest =
+						e2e[v->planes[k].e2e_index].pipe.dest;
+				struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth =
+						e2e[v->planes[k].e2e_index].pipe.scale_ratio_depth;
+				struct _vcs_dpi_scaler_taps_st scale_taps =
+						e2e[v->planes[k].e2e_index].pipe.scale_taps;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				v->SwathWidthYPerState[ijk] = v->SwathWidthYSingleDPP[k]
+						/ v->NoOfDPP[ijk];
+
+				v->SwathWidthGranularityY = 256
+						/ dml_ceil_ex(v->BytePerPixelInDETY[k], 1)
+						/ v->MaxSwathHeightY[k];
+				v->RoundedUpMaxSwathSizeBytesY = (dml_ceil_ex(
+						v->SwathWidthYPerState[ijk] - 1,
+						v->SwathWidthGranularityY)
+						+ v->SwathWidthGranularityY)
+						* v->BytePerPixelInDETY[k] * v->MaxSwathHeightY[k];
+				if (src.source_format == dm_420_10) {
+					v->RoundedUpMaxSwathSizeBytesY = dml_ceil_ex(
+							v->RoundedUpMaxSwathSizeBytesY,
+							256) + 256;
+				}
+				if (v->MaxSwathHeightC[k] > 0) {
+					v->SwathWidthGranularityC = 256
+							/ dml_ceil_ex(v->BytePerPixelInDETC[k], 2)
+							/ v->MaxSwathHeightC[k];
+				}
+				v->RoundedUpMaxSwathSizeBytesC = (dml_ceil_ex(
+						v->SwathWidthYPerState[ijk] / 2 - 1,
+						v->SwathWidthGranularityC)
+						+ v->SwathWidthGranularityC)
+						* v->BytePerPixelInDETC[k] * v->MaxSwathHeightC[k];
+				if (src.source_format == dm_420_10) {
+					v->RoundedUpMaxSwathSizeBytesC = dml_ceil_ex(
+							v->RoundedUpMaxSwathSizeBytesC,
+							256) + 256;
+				}
+
+				if (v->RoundedUpMaxSwathSizeBytesY + v->RoundedUpMaxSwathSizeBytesC
+						<= ip->det_buffer_size_kbytes * 1024 / 2) {
+					v->SwathHeightYPerState[ijk] = v->MaxSwathHeightY[k];
+					v->SwathHeightCPerState[ijk] = v->MaxSwathHeightC[k];
+				} else {
+					v->SwathHeightYPerState[ijk] = v->MinSwathHeightY[k];
+					v->SwathHeightCPerState[ijk] = v->MinSwathHeightC[k];
+				}
+
+				if (v->BytePerPixelInDETC[k] == 0) {
+					v->LinesInDETLuma = ip->det_buffer_size_kbytes * 1024
+							/ v->BytePerPixelInDETY[k]
+							/ v->SwathWidthYPerState[ijk];
+
+					v->LinesInDETChroma = 0;
+				} else if (v->SwathHeightYPerState[ijk]
+						<= v->SwathHeightCPerState[ijk]) {
+					v->LinesInDETLuma = ip->det_buffer_size_kbytes * 1024 / 2
+							/ v->BytePerPixelInDETY[k]
+							/ v->SwathWidthYPerState[ijk];
+					v->LinesInDETChroma = ip->det_buffer_size_kbytes * 1024 / 2
+							/ v->BytePerPixelInDETC[k]
+							/ (v->SwathWidthYPerState[ijk] / 2);
+				} else {
+					v->LinesInDETLuma = ip->det_buffer_size_kbytes * 1024 * 2
+							/ 3 / v->BytePerPixelInDETY[k]
+							/ v->SwathWidthYPerState[ijk];
+					v->LinesInDETChroma = ip->det_buffer_size_kbytes * 1024 / 3
+							/ v->BytePerPixelInDETY[k]
+							/ (v->SwathWidthYPerState[ijk] / 2);
+				}
+
+				v->EffectiveLBLatencyHidingSourceLinesLuma =
+						dml_min(
+								ip->max_line_buffer_lines,
+								dml_floor_ex(
+										ip->line_buffer_size_bits
+												/ scale_ratio_depth.lb_depth
+												/ (v->SwathWidthYPerState[ijk]
+														/ dml_max(
+																scale_ratio_depth.hscl_ratio,
+																1)),
+										1))
+								- (scale_taps.vtaps - 1);
+
+				v->EffectiveLBLatencyHidingSourceLinesChroma =
+						dml_min(
+								ip->max_line_buffer_lines,
+								dml_floor_ex(
+										ip->line_buffer_size_bits
+												/ scale_ratio_depth.lb_depth
+												/ (v->SwathWidthYPerState[ijk]
+														/ 2
+														/ dml_max(
+																scale_ratio_depth.hscl_ratio
+																		/ 2,
+																1)),
+										1))
+								- (scale_taps.vtaps_c - 1);
+
+				v->EffectiveDETLBLinesLuma =
+						dml_floor_ex(
+								v->LinesInDETLuma
+										+ dml_min(
+												v->LinesInDETLuma
+														* v->RequiredDISPCLK[ij]
+														* v->BytePerPixelInDETY[k]
+														* v->PSCL_FACTOR[k]
+														/ v->ReturnBWPerState[i],
+												v->EffectiveLBLatencyHidingSourceLinesLuma),
+								v->SwathHeightYPerState[ijk]);
+
+				v->EffectiveDETLBLinesChroma =
+						dml_floor_ex(
+								v->LinesInDETChroma
+										+ dml_min(
+												v->LinesInDETChroma
+														* v->RequiredDISPCLK[ij]
+														* v->BytePerPixelInDETC[k]
+														* v->PSCL_FACTOR_CHROMA[k]
+														/ v->ReturnBWPerState[i],
+												v->EffectiveLBLatencyHidingSourceLinesChroma),
+								v->SwathHeightCPerState[ijk]);
+
+				if (v->BytePerPixelInDETC[k] == 0) {
+					v->UrgentLatencySupportUsPerState[ijk] =
+							v->EffectiveDETLBLinesLuma
+									* (dest.htotal
+											/ dest.pixel_rate_mhz)
+									/ scale_ratio_depth.vscl_ratio
+									- v->EffectiveDETLBLinesLuma
+											* v->SwathWidthYPerState[ijk]
+											* dml_ceil_ex(
+													v->BytePerPixelInDETY[k],
+													1)
+											/ (v->ReturnBWPerState[i]
+													/ v->NoOfDPP[ijk]);
+				} else {
+					v->UrgentLatencySupportUsPerState[ijk] =
+							dml_min(
+									v->EffectiveDETLBLinesLuma
+											* (dest.htotal
+													/ dest.pixel_rate_mhz)
+											/ scale_ratio_depth.vscl_ratio
+											- v->EffectiveDETLBLinesLuma
+													* v->SwathWidthYPerState[ijk]
+													* dml_ceil_ex(
+															v->BytePerPixelInDETY[k],
+															1)
+													/ (v->ReturnBWPerState[i]
+															/ v->NoOfDPP[ijk]),
+									v->EffectiveDETLBLinesChroma
+											* (dest.htotal
+													/ dest.pixel_rate_mhz)
+											/ (scale_ratio_depth.vscl_ratio
+													/ 2)
+											- v->EffectiveDETLBLinesChroma
+													* v->SwathWidthYPerState[ijk]
+													/ 2
+													* dml_ceil_ex(
+															v->BytePerPixelInDETC[k],
+															2)
+													/ (v->ReturnBWPerState[i]
+															/ v->NoOfDPP[ijk]));
+				}
+
+			}
+		}
+	}
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		for (j = 0; j < 2; j++) {
+			ij = j * NumberOfStatesPlusTwo + i;
+
+			v->UrgentLatencySupport[ij] = 1;
+			for (k = 0; k < num_planes; k++) {
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				if (v->UrgentLatencySupportUsPerState[ijk]
+						< soc->urgent_latency_us / 1) {
+					v->UrgentLatencySupport[ij] = 0;
+				}
+			}
+		}
+	}
+
+	// Prefetch Check
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		for (j = 0; j < 2; j++) {
+			ij = j * NumberOfStatesPlusTwo + i;
+
+			v->TotalNumberOfDCCActiveDPP[ij] = 0;
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_source_params_st src =
+						e2e[v->planes[k].e2e_index].pipe.src;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				if (src.dcc == 1) {
+					v->TotalNumberOfDCCActiveDPP[ij] =
+							v->TotalNumberOfDCCActiveDPP[ij]
+									+ v->NoOfDPP[ijk];
+				}
+			}
+		}
+	}
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		for (j = 0; j < 2; j++) {
+			ij = j * NumberOfStatesPlusTwo + i;
+
+			v->ProjectedDCFCLKDeepSleep = 8;
+
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_dest_params_st dest =
+						e2e[v->planes[k].e2e_index].pipe.dest;
+				struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth =
+						e2e[v->planes[k].e2e_index].pipe.scale_ratio_depth;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				v->ProjectedDCFCLKDeepSleep = dml_max(
+						v->ProjectedDCFCLKDeepSleep,
+						dest.pixel_rate_mhz / 16);
+				if (v->BytePerPixelInDETC[k] == 0) {
+					if (scale_ratio_depth.vscl_ratio <= 1) {
+						v->ProjectedDCFCLKDeepSleep =
+								dml_max(
+										v->ProjectedDCFCLKDeepSleep,
+										1.1
+												* dml_ceil_ex(
+														v->BytePerPixelInDETY[k],
+														1)
+												/ 64
+												* scale_ratio_depth.hscl_ratio
+												* dest.pixel_rate_mhz
+												/ v->NoOfDPP[ijk]);
+					} else {
+						v->ProjectedDCFCLKDeepSleep =
+								dml_max(
+										v->ProjectedDCFCLKDeepSleep,
+										1.1
+												* dml_ceil_ex(
+														v->BytePerPixelInDETY[k],
+														1)
+												/ 64
+												* v->PSCL_FACTOR[k]
+												* v->RequiredDISPCLK[ij]
+												/ (1
+														+ j));
+					}
+
+				} else {
+					if (scale_ratio_depth.vscl_ratio <= 1) {
+						v->ProjectedDCFCLKDeepSleep =
+								dml_max(
+										v->ProjectedDCFCLKDeepSleep,
+										1.1
+												* dml_ceil_ex(
+														v->BytePerPixelInDETY[k],
+														1)
+												/ 32
+												* scale_ratio_depth.hscl_ratio
+												* dest.pixel_rate_mhz
+												/ v->NoOfDPP[ijk]);
+					} else {
+						v->ProjectedDCFCLKDeepSleep =
+								dml_max(
+										v->ProjectedDCFCLKDeepSleep,
+										1.1
+												* dml_ceil_ex(
+														v->BytePerPixelInDETY[k],
+														1)
+												/ 32
+												* v->PSCL_FACTOR[k]
+												* v->RequiredDISPCLK[ij]
+												/ (1
+														+ j));
+					}
+					if ((scale_ratio_depth.vscl_ratio / 2) <= 1) {
+						v->ProjectedDCFCLKDeepSleep =
+								dml_max(
+										v->ProjectedDCFCLKDeepSleep,
+										1.1
+												* dml_ceil_ex(
+														v->BytePerPixelInDETC[k],
+														2)
+												/ 32
+												* scale_ratio_depth.hscl_ratio
+												/ 2
+												* dest.pixel_rate_mhz
+												/ v->NoOfDPP[ijk]);
+					} else {
+						v->ProjectedDCFCLKDeepSleep =
+								dml_max(
+										v->ProjectedDCFCLKDeepSleep,
+										1.1
+												* dml_ceil_ex(
+														v->BytePerPixelInDETC[k],
+														2)
+												/ 32
+												* v->PSCL_FACTOR_CHROMA[k]
+												* v->RequiredDISPCLK[ij]
+												/ (1
+														+ j));
+					}
+
+				}
+			}
+
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_source_params_st src =
+						e2e[v->planes[k].e2e_index].pipe.src;
+				struct _vcs_dpi_display_pipe_dest_params_st dest =
+						e2e[v->planes[k].e2e_index].pipe.dest;
+				struct _vcs_dpi_scaler_ratio_depth_st scale_ratio_depth =
+						e2e[v->planes[k].e2e_index].pipe.scale_ratio_depth;
+				struct _vcs_dpi_scaler_taps_st scale_taps =
+						e2e[v->planes[k].e2e_index].pipe.scale_taps;
+				struct _vcs_dpi_display_output_params_st dout =
+						e2e[v->planes[k].e2e_index].dout;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				if (src.dcc == 1) {
+					v->MetaReqHeightY = 8 * v->Read256BlockHeightY[k];
+					v->MetaReqWidthY = 64 * 256
+							/ dml_ceil_ex(v->BytePerPixelInDETY[k], 1)
+							/ v->MetaReqHeightY;
+					v->MetaSurfaceWidthY = dml_ceil_ex(
+							src.viewport_width / v->NoOfDPP[ijk] - 1,
+							v->MetaReqWidthY) + v->MetaReqWidthY;
+					v->MetaSurfaceHeightY = dml_ceil_ex(
+							src.viewport_height - 1,
+							v->MetaReqHeightY) + v->MetaReqHeightY;
+					if (ip->pte_enable == 1) {
+						v->MetaPteBytesPerFrameY =
+								(dml_ceil_ex(
+										(v->MetaSurfaceWidthY
+												* v->MetaSurfaceHeightY
+												* dml_ceil_ex(
+														v->BytePerPixelInDETY[k],
+														1)
+												/ 256.0
+												- 4096)
+												/ 8
+												/ 4096,
+										1) + 1) * 64;
+					} else {
+						v->MetaPteBytesPerFrameY = 0;
+					}
+					if (src.source_scan == dm_horz) {
+						v->MetaRowBytesY =
+								v->MetaSurfaceWidthY
+										* v->MetaReqHeightY
+										* dml_ceil_ex(
+												v->BytePerPixelInDETY[k],
+												1)
+										/ 256;
+					} else {
+						v->MetaRowBytesY =
+								v->MetaSurfaceHeightY
+										* v->MetaReqWidthY
+										* dml_ceil_ex(
+												v->BytePerPixelInDETY[k],
+												1)
+										/ 256;
+					}
+				} else {
+					v->MetaPteBytesPerFrameY = 0;
+					v->MetaRowBytesY = 0;
+				}
+
+				if (ip->pte_enable == 1) {
+					if (src.sw_mode == dm_sw_linear) {
+						v->MacroTileBlockSizeBytesY = 256;
+						v->MacroTileBlockHeightY = 1;
+					} else if (src.sw_mode == dm_sw_4kb_s
+							|| src.sw_mode == dm_sw_4kb_s_x
+							|| src.sw_mode == dm_sw_4kb_d
+							|| src.sw_mode == dm_sw_4kb_d_x) {
+						v->MacroTileBlockSizeBytesY = 4096;
+						v->MacroTileBlockHeightY = 4
+								* v->Read256BlockHeightY[k];
+					} else if (src.sw_mode == dm_sw_64kb_s
+							|| src.sw_mode == dm_sw_64kb_s_t
+							|| src.sw_mode == dm_sw_64kb_s_x
+							|| src.sw_mode == dm_sw_64kb_d
+							|| src.sw_mode == dm_sw_64kb_d_t
+							|| src.sw_mode == dm_sw_64kb_d_x) {
+						v->MacroTileBlockSizeBytesY = 64 * 1024;
+						v->MacroTileBlockHeightY = 16
+								* v->Read256BlockHeightY[k];
+					} else {
+						v->MacroTileBlockSizeBytesY = 256 * 1024;
+						v->MacroTileBlockHeightY = 32
+								* v->Read256BlockHeightY[k];
+					}
+					if (v->MacroTileBlockSizeBytesY <= 65536) {
+						v->DataPTEReqHeightY = v->MacroTileBlockHeightY;
+					} else {
+						v->DataPTEReqHeightY = 16
+								* v->Read256BlockHeightY[k];
+					}
+					v->DataPTEReqWidthY = 4096
+							/ dml_ceil_ex(v->BytePerPixelInDETY[k], 1)
+							/ v->DataPTEReqHeightY * 8;
+					if (src.sw_mode == dm_sw_linear) {
+						v->DPTEBytesPerRowY =
+								64
+										* (dml_ceil_ex(
+												(src.viewport_width
+														/ v->NoOfDPP[ijk]
+														* dml_min(
+																128,
+																dml_pow(
+																		2,
+																		dml_floor_ex(
+																				dml_log(
+																						ip->dpte_buffer_size_in_pte_reqs
+																								* v->DataPTEReqWidthY
+																								/ (src.viewport_width
+																										/ v->NoOfDPP[ijk]),
+																						2),
+																				1)))
+														- 1)
+														/ v->DataPTEReqWidthY,
+												1)
+												+ 1);
+					} else if (src.source_scan == dm_horz) {
+						v->DPTEBytesPerRowY =
+								64
+										* (dml_ceil_ex(
+												(src.viewport_width
+														/ v->NoOfDPP[ijk]
+														- 1)
+														/ v->DataPTEReqWidthY,
+												1)
+												+ 1);
+					} else {
+						v->DPTEBytesPerRowY =
+								64
+										* (dml_ceil_ex(
+												(src.viewport_height
+														- 1)
+														/ v->DataPTEReqHeightY,
+												1)
+												+ 1);
+					}
+				} else {
+					v->DPTEBytesPerRowY = 0;
+				}
+
+				if (src.source_format != dm_444_64 && src.source_format != dm_444_32
+						&& src.source_format != dm_444_16) {
+					if (src.dcc == 1) {
+						v->MetaReqHeightC = 8 * v->Read256BlockHeightC[k];
+						v->MetaReqWidthC =
+								64 * 256
+										/ dml_ceil_ex(
+												v->BytePerPixelInDETC[k],
+												2)
+										/ v->MetaReqHeightC;
+						v->MetaSurfaceWidthC = dml_ceil_ex(
+								src.viewport_width / v->NoOfDPP[ijk]
+										/ 2 - 1,
+								v->MetaReqWidthC)
+								+ v->MetaReqWidthC;
+						v->MetaSurfaceHeightC = dml_ceil_ex(
+								src.viewport_height / 2 - 1,
+								v->MetaReqHeightC)
+								+ v->MetaReqHeightC;
+						if (ip->pte_enable == 1) {
+							v->MetaPteBytesPerFrameC =
+									(dml_ceil_ex(
+											(v->MetaSurfaceWidthC
+													* v->MetaSurfaceHeightC
+													* dml_ceil_ex(
+															v->BytePerPixelInDETC[k],
+															2)
+													/ 256.0
+													- 4096)
+													/ 8
+													/ 4096,
+											1) + 1)
+											* 64;
+						} else {
+							v->MetaPteBytesPerFrameC = 0;
+						}
+						if (src.source_scan == dm_horz) {
+							v->MetaRowBytesC =
+									v->MetaSurfaceWidthC
+											* v->MetaReqHeightC
+											* dml_ceil_ex(
+													v->BytePerPixelInDETC[k],
+													2)
+											/ 256;
+						} else {
+							v->MetaRowBytesC =
+									v->MetaSurfaceHeightC
+											* v->MetaReqWidthC
+											* dml_ceil_ex(
+													v->BytePerPixelInDETC[k],
+													2)
+											/ 256;
+						}
+					} else {
+						v->MetaPteBytesPerFrameC = 0;
+						v->MetaRowBytesC = 0;
+					}
+
+					if (ip->pte_enable == 1) {
+						if (src.sw_mode == dm_sw_linear) {
+							v->MacroTileBlockSizeBytesC = 256;
+							v->MacroTileBlockHeightC = 1;
+						} else if (src.sw_mode == dm_sw_4kb_s
+								|| src.sw_mode == dm_sw_4kb_s_x
+								|| src.sw_mode == dm_sw_4kb_d
+								|| src.sw_mode == dm_sw_4kb_d_x) {
+							v->MacroTileBlockSizeBytesC = 4096;
+							v->MacroTileBlockHeightC = 4
+									* v->Read256BlockHeightC[k];
+						} else if (src.sw_mode == dm_sw_64kb_s
+								|| src.sw_mode == dm_sw_64kb_s_t
+								|| src.sw_mode == dm_sw_64kb_s_x
+								|| src.sw_mode == dm_sw_64kb_d
+								|| src.sw_mode == dm_sw_64kb_d_t
+								|| src.sw_mode == dm_sw_64kb_d_x) {
+							v->MacroTileBlockSizeBytesC = 64 * 1024;
+							v->MacroTileBlockHeightC = 16
+									* v->Read256BlockHeightC[k];
+						} else {
+							v->MacroTileBlockSizeBytesC = 256 * 1024;
+							v->MacroTileBlockHeightC = 32
+									* v->Read256BlockHeightC[k];
+						}
+						v->MacroTileBlockWidthC =
+								v->MacroTileBlockSizeBytesC
+										/ dml_ceil_ex(
+												v->BytePerPixelInDETC[k],
+												2)
+										/ v->MacroTileBlockHeightC;
+						if (v->MacroTileBlockSizeBytesC <= 65536) {
+							v->DataPTEReqHeightC =
+									v->MacroTileBlockHeightC;
+						} else {
+							v->DataPTEReqHeightC = 16
+									* v->Read256BlockHeightC[k];
+						}
+						v->DataPTEReqWidthC =
+								4096
+										/ dml_ceil_ex(
+												v->BytePerPixelInDETC[k],
+												2)
+										/ v->DataPTEReqHeightC
+										* 8;
+						if (src.sw_mode == dm_sw_linear) {
+							v->DPTEBytesPerRowC =
+									64
+											* (dml_ceil_ex(
+													(src.viewport_width
+															/ v->NoOfDPP[ijk]
+															/ 2
+															* dml_min(
+																	128,
+																	dml_pow(
+																			2,
+																			dml_floor_ex(
+																					dml_log(
+																							ip->dpte_buffer_size_in_pte_reqs
+																									* v->DataPTEReqWidthC
+																									/ (src.viewport_width
+																											/ v->NoOfDPP[ijk]
+																											/ 2),
+																							2),
+																					1)))
+															- 1)
+															/ v->DataPTEReqWidthC,
+													1)
+													+ 1);
+						} else if (src.source_scan == dm_horz) {
+							v->DPTEBytesPerRowC =
+									64
+											* (dml_ceil_ex(
+													(src.viewport_width
+															/ v->NoOfDPP[ijk]
+															/ 2
+															- 1)
+															/ v->DataPTEReqWidthC,
+													1)
+													+ 1);
+						} else {
+							v->DPTEBytesPerRowC =
+									64
+											* (dml_ceil_ex(
+													(src.viewport_height
+															/ 2
+															- 1)
+															/ v->DataPTEReqHeightC,
+													1)
+													+ 1);
+						}
+					} else {
+						v->DPTEBytesPerRowC = 0;
+					}
+				} else {
+					v->DPTEBytesPerRowC = 0;
+					v->MetaPteBytesPerFrameC = 0;
+					v->MetaRowBytesC = 0;
+				}
+
+				v->DPTEBytesPerRow[k] = v->DPTEBytesPerRowY + v->DPTEBytesPerRowC;
+				v->MetaPTEBytesPerFrame[k] = v->MetaPteBytesPerFrameY
+						+ v->MetaPteBytesPerFrameC;
+				v->MetaRowBytes[k] = v->MetaRowBytesY + v->MetaRowBytesC;
+
+				v->VInitY = (scale_ratio_depth.vscl_ratio + scale_taps.vtaps + 1
+						+ dest.interlaced * 0.5
+								* scale_ratio_depth.vscl_ratio)
+						/ 2.0;
+				v->PrefillY[k] = dml_floor_ex(v->VInitY, 1);
+				v->MaxNumSwY[k] = dml_ceil_ex(
+						(v->PrefillY[k] - 1.0)
+								/ v->SwathHeightYPerState[ijk],
+						1) + 1.0;
+
+				if (v->PrefillY[k] > 1) {
+					v->MaxPartialSwY = ((int) (v->PrefillY[k] - 2))
+							% ((int) v->SwathHeightYPerState[ijk]);
+				} else {
+					v->MaxPartialSwY = ((int) (v->PrefillY[k]
+							+ v->SwathHeightYPerState[ijk] - 2))
+							% ((int) v->SwathHeightYPerState[ijk]);
+				}
+				v->MaxPartialSwY = dml_max(1, v->MaxPartialSwY);
+
+				v->PrefetchLinesY[k] = v->MaxNumSwY[k]
+						* v->SwathHeightYPerState[ijk] + v->MaxPartialSwY;
+
+				if (src.source_format != dm_444_64 && src.source_format != dm_444_32
+						&& src.source_format != dm_444_16) {
+					v->VInitC =
+							(scale_ratio_depth.vscl_ratio / 2
+									+ scale_taps.vtaps + 1
+									+ dest.interlaced * 0.5
+											* scale_ratio_depth.vscl_ratio
+											/ 2) / 2.0;
+					v->PrefillC[k] = dml_floor_ex(v->VInitC, 1);
+					v->MaxNumSwC[k] =
+							dml_ceil_ex(
+									(v->PrefillC[k] - 1.0)
+											/ v->SwathHeightCPerState[ijk],
+									1) + 1.0;
+					if (v->PrefillC[k] > 1) {
+						v->MaxPartialSwC =
+								((int) (v->PrefillC[k] - 2))
+										% ((int) v->SwathHeightCPerState[ijk]);
+					} else {
+						v->MaxPartialSwC =
+								((int) (v->PrefillC[k]
+										+ v->SwathHeightCPerState[ijk]
+										- 2))
+										% ((int) v->SwathHeightCPerState[ijk]);
+					}
+					v->MaxPartialSwC = dml_max(1, v->MaxPartialSwC);
+
+					v->PrefetchLinesC[k] = v->MaxNumSwC[k]
+							* v->SwathHeightCPerState[ijk]
+							+ v->MaxPartialSwC;
+				} else {
+					v->PrefetchLinesC[k] = 0;
+				}
+
+				v->dst_x_after_scaler = 90 * dest.pixel_rate_mhz
+						/ (v->RequiredDISPCLK[ij] / (j + 1))
+						+ 42 * dest.pixel_rate_mhz / v->RequiredDISPCLK[ij];
+				if (v->NoOfDPP[ijk] > 1) {
+					v->dst_x_after_scaler = v->dst_x_after_scaler
+							+ dest.recout_width / 2.0;
+				}
+
+				if (dout.output_format == dm_420) {
+					v->dst_y_after_scaler = 1;
+				} else {
+					v->dst_y_after_scaler = 0;
+				}
+
+				v->TimeCalc = 24 / v->ProjectedDCFCLKDeepSleep;
+
+				v->VUpdateOffset = dml_ceil_ex(dest.htotal / 4, 1);
+				v->TotalRepeaterDelay = ip->max_inter_dcn_tile_repeaters
+						* (2 / (v->RequiredDISPCLK[ij] / (j + 1))
+								+ 3 / v->RequiredDISPCLK[ij]);
+				v->VUpdateWidth = (14 / v->ProjectedDCFCLKDeepSleep
+						+ 12 / (v->RequiredDISPCLK[ij] / (j + 1))
+						+ v->TotalRepeaterDelay) * dest.pixel_rate_mhz;
+				v->VReadyOffset =
+						dml_max(
+								150
+										/ (v->RequiredDISPCLK[ij]
+												/ (j
+														+ 1)),
+								v->TotalRepeaterDelay
+										+ 20
+												/ v->ProjectedDCFCLKDeepSleep
+										+ 10
+												/ (v->RequiredDISPCLK[ij]
+														/ (j
+																+ 1)))
+								* dest.pixel_rate_mhz;
+
+				v->TimeSetup =
+						(v->VUpdateOffset + v->VUpdateWidth
+								+ v->VReadyOffset)
+								/ dest.pixel_rate_mhz;
+
+				v->ExtraLatency =
+						v->UrgentRoundTripAndOutOfOrderLatencyPerState[i]
+								+ (v->TotalNumberOfActiveDPP[ij]
+										* ip->pixel_chunk_size_kbytes
+										+ v->TotalNumberOfDCCActiveDPP[ij]
+												* ip->meta_chunk_size_kbytes)
+										* 1024
+										/ v->ReturnBWPerState[i];
+
+				if (ip->pte_enable == 1) {
+					v->ExtraLatency = v->ExtraLatency
+							+ v->TotalNumberOfActiveDPP[ij]
+									* ip->pte_chunk_size_kbytes
+									* 1024
+									/ v->ReturnBWPerState[i];
+				}
+
+				if (ip->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one
+						== 1) {
+					v->MaximumVStartup = dest.vtotal - dest.vactive - 1;
+				} else {
+					v->MaximumVStartup = dest.vsync_plus_back_porch - 1;
+				}
+
+				v->LineTimesForPrefetch[k] =
+						v->MaximumVStartup
+								- soc->urgent_latency_us
+										/ (dest.htotal
+												/ dest.pixel_rate_mhz)
+								- (v->TimeCalc + v->TimeSetup)
+										/ (dest.htotal
+												/ dest.pixel_rate_mhz)
+								- (v->dst_y_after_scaler
+										+ v->dst_x_after_scaler
+												/ dest.htotal);
+
+				v->LineTimesForPrefetch[k] = dml_floor_ex(
+						4.0 * (v->LineTimesForPrefetch[k] + 0.125),
+						1) / 4;
+
+				v->PrefetchBW[k] =
+						(v->MetaPTEBytesPerFrame[k] + 2 * v->MetaRowBytes[k]
+								+ 2 * v->DPTEBytesPerRow[k]
+								+ v->PrefetchLinesY[k]
+										* v->SwathWidthYPerState[ijk]
+										* dml_ceil_ex(
+												v->BytePerPixelInDETY[k],
+												1)
+								+ v->PrefetchLinesC[k]
+										* v->SwathWidthYPerState[ijk]
+										/ 2
+										* dml_ceil_ex(
+												v->BytePerPixelInDETC[k],
+												2))
+								/ (v->LineTimesForPrefetch[k]
+										* dest.htotal
+										/ dest.pixel_rate_mhz);
+			}
+
+			v->BWAvailableForImmediateFlip = v->ReturnBWPerState[i];
+
+			for (k = 0; k < num_planes; k++) {
+				v->BWAvailableForImmediateFlip = v->BWAvailableForImmediateFlip
+						- dml_max(v->ReadBandwidth[k], v->PrefetchBW[k]);
+			}
+
+			v->TotalImmediateFlipBytes = 0;
+
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_source_params_st src =
+						e2e[v->planes[k].e2e_index].pipe.src;
+
+				if (src.source_format != dm_420_8
+						&& src.source_format != dm_420_10) {
+					v->TotalImmediateFlipBytes = v->TotalImmediateFlipBytes
+							+ v->MetaPTEBytesPerFrame[k]
+							+ v->MetaRowBytes[k]
+							+ v->DPTEBytesPerRow[k];
+				}
+			}
+
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_source_params_st src =
+						e2e[v->planes[k].e2e_index].pipe.src;
+				struct _vcs_dpi_display_pipe_dest_params_st dest =
+						e2e[v->planes[k].e2e_index].pipe.dest;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				if (ip->pte_enable == 1 && src.dcc == 1) {
+					v->TimeForMetaPTEWithImmediateFlip =
+							dml_max(
+									v->MetaPTEBytesPerFrame[k]
+											/ v->PrefetchBW[k],
+									dml_max(
+											v->MetaPTEBytesPerFrame[k]
+													* v->TotalImmediateFlipBytes
+													/ (v->BWAvailableForImmediateFlip
+															* (v->MetaPTEBytesPerFrame[k]
+																	+ v->MetaRowBytes[k]
+																	+ v->DPTEBytesPerRow[k])),
+											dml_max(
+													v->ExtraLatency,
+													dml_max(
+															soc->urgent_latency_us,
+															dest.htotal
+																	/ dest.pixel_rate_mhz
+																	/ 4))));
+
+					v->TimeForMetaPTEWithoutImmediateFlip =
+							dml_max(
+									v->MetaPTEBytesPerFrame[k]
+											/ v->PrefetchBW[k],
+									dml_max(
+											v->ExtraLatency,
+											dest.htotal
+													/ dest.pixel_rate_mhz
+													/ 4));
+				} else {
+					v->TimeForMetaPTEWithImmediateFlip = dest.htotal
+							/ dest.pixel_rate_mhz / 4;
+					v->TimeForMetaPTEWithoutImmediateFlip = dest.htotal
+							/ dest.pixel_rate_mhz / 4;
+				}
+
+				if (ip->pte_enable == 1 || src.dcc == 1) {
+					v->TimeForMetaAndDPTERowWithImmediateFlip =
+							dml_max(
+									(v->MetaRowBytes[k]
+											+ v->DPTEBytesPerRow[k])
+											/ v->PrefetchBW[k],
+									dml_max(
+											(v->MetaRowBytes[k]
+													+ v->DPTEBytesPerRow[k])
+													* v->TotalImmediateFlipBytes
+													/ (v->BWAvailableForImmediateFlip
+															* (v->MetaPTEBytesPerFrame[k]
+																	+ v->MetaRowBytes[k]
+																	+ v->DPTEBytesPerRow[k])),
+											dml_max(
+													dest.htotal
+															/ dest.pixel_rate_mhz
+															- v->TimeForMetaPTEWithImmediateFlip,
+													dml_max(
+															v->ExtraLatency,
+															2
+																	* soc->urgent_latency_us))));
+
+					v->TimeForMetaAndDPTERowWithoutImmediateFlip =
+							dml_max(
+									(v->MetaRowBytes[k]
+											+ v->DPTEBytesPerRow[k])
+											/ v->PrefetchBW[k],
+									dml_max(
+											dest.htotal
+													/ dest.pixel_rate_mhz
+													- v->TimeForMetaPTEWithoutImmediateFlip,
+											v->ExtraLatency));
+				} else {
+					v->TimeForMetaAndDPTERowWithImmediateFlip =
+							dml_max(
+									dest.htotal
+											/ dest.pixel_rate_mhz
+											- v->TimeForMetaPTEWithImmediateFlip,
+									v->ExtraLatency
+											- v->TimeForMetaPTEWithImmediateFlip);
+					v->TimeForMetaAndDPTERowWithoutImmediateFlip =
+							dml_max(
+									dest.htotal
+											/ dest.pixel_rate_mhz
+											- v->TimeForMetaPTEWithoutImmediateFlip,
+									v->ExtraLatency
+											- v->TimeForMetaPTEWithoutImmediateFlip);
+				}
+
+				v->LinesForMetaPTEWithImmediateFlip[k] =
+						dml_floor_ex(
+								4.0
+										* (v->TimeForMetaPTEWithImmediateFlip
+												/ (dest.htotal
+														/ dest.pixel_rate_mhz)
+												+ 0.125),
+								1) / 4.0;
+
+				v->LinesForMetaPTEWithoutImmediateFlip[k] =
+						dml_floor_ex(
+								4.0
+										* (v->TimeForMetaPTEWithoutImmediateFlip
+												/ (dest.htotal
+														/ dest.pixel_rate_mhz)
+												+ 0.125),
+								1) / 4.0;
+
+				v->LinesForMetaAndDPTERowWithImmediateFlip[k] =
+						dml_floor_ex(
+								4.0
+										* (v->TimeForMetaAndDPTERowWithImmediateFlip
+												/ (dest.htotal
+														/ dest.pixel_rate_mhz)
+												+ 0.125),
+								1) / 4.0;
+
+				v->LinesForMetaAndDPTERowWithoutImmediateFlip[k] =
+						dml_floor_ex(
+								4.0
+										* (v->TimeForMetaAndDPTERowWithoutImmediateFlip
+												/ (dest.htotal
+														/ dest.pixel_rate_mhz)
+												+ 0.125),
+								1) / 4.0;
+
+				v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip =
+						v->LineTimesForPrefetch[k]
+								- v->LinesForMetaPTEWithImmediateFlip[k]
+								- v->LinesForMetaAndDPTERowWithImmediateFlip[k];
+
+				v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip =
+						v->LineTimesForPrefetch[k]
+								- v->LinesForMetaPTEWithoutImmediateFlip[k]
+								- v->LinesForMetaAndDPTERowWithoutImmediateFlip[k];
+
+				if (v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip > 0) {
+					v->VRatioPreYWithImmediateFlip[ijk] =
+							v->PrefetchLinesY[k]
+									/ v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip;
+					if (v->SwathHeightYPerState[ijk] > 4) {
+						if (v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip
+								- (v->PrefillY[k] - 3.0) / 2.0
+								> 0) {
+							v->VRatioPreYWithImmediateFlip[ijk] =
+									dml_max(
+											v->VRatioPreYWithImmediateFlip[ijk],
+											(v->MaxNumSwY[k]
+													* v->SwathHeightYPerState[ijk])
+													/ (v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip
+															- (v->PrefillY[k]
+																	- 3.0)
+																	/ 2.0));
+						} else {
+							v->VRatioPreYWithImmediateFlip[ijk] =
+									999999;
+						}
+					}
+					v->VRatioPreCWithImmediateFlip[ijk] =
+							v->PrefetchLinesC[k]
+									/ v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip;
+					if (v->SwathHeightCPerState[ijk] > 4) {
+						if (v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip
+								- (v->PrefillC[k] - 3.0) / 2.0
+								> 0) {
+							v->VRatioPreCWithImmediateFlip[ijk] =
+									dml_max(
+											v->VRatioPreCWithImmediateFlip[ijk],
+											(v->MaxNumSwC[k]
+													* v->SwathHeightCPerState[ijk])
+													/ (v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip
+															- (v->PrefillC[k]
+																	- 3.0)
+																	/ 2.0));
+						} else {
+							v->VRatioPreCWithImmediateFlip[ijk] =
+									999999;
+						}
+					}
+
+					v->RequiredPrefetchPixelDataBWWithImmediateFlip[ijk] =
+							v->NoOfDPP[ijk]
+									* (v->PrefetchLinesY[k]
+											/ v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip
+											* dml_ceil_ex(
+													v->BytePerPixelInDETY[k],
+													1)
+											+ v->PrefetchLinesC[k]
+													/ v->LineTimesToRequestPrefetchPixelDataWithImmediateFlip
+													* dml_ceil_ex(
+															v->BytePerPixelInDETC[k],
+															2)
+													/ 2)
+									* v->SwathWidthYPerState[ijk]
+									/ (dest.htotal
+											/ dest.pixel_rate_mhz);
+				} else {
+					v->VRatioPreYWithImmediateFlip[ijk] = 999999;
+					v->VRatioPreCWithImmediateFlip[ijk] = 999999;
+					v->RequiredPrefetchPixelDataBWWithImmediateFlip[ijk] =
+							999999;
+				}
+
+				if (v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip
+						> 0) {
+					v->VRatioPreYWithoutImmediateFlip[ijk] =
+							v->PrefetchLinesY[k]
+									/ v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip;
+					if (v->SwathHeightYPerState[ijk] > 4) {
+						if (v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip
+								- (v->PrefillY[k] - 3.0) / 2.0
+								> 0) {
+							v->VRatioPreYWithoutImmediateFlip[ijk] =
+									dml_max(
+											v->VRatioPreYWithoutImmediateFlip[ijk],
+											(v->MaxNumSwY[k]
+													* v->SwathHeightYPerState[ijk])
+													/ (v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip
+															- (v->PrefillY[k]
+																	- 3.0)
+																	/ 2.0));
+						} else {
+							v->VRatioPreYWithoutImmediateFlip[ijk] =
+									999999;
+						}
+					}
+					v->VRatioPreCWithoutImmediateFlip[ijk] =
+							v->PrefetchLinesC[k]
+									/ v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip;
+					if (v->SwathHeightCPerState[ijk] > 4) {
+						if (v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip
+								- (v->PrefillC[k] - 3.0) / 2.0
+								> 0) {
+							v->VRatioPreCWithoutImmediateFlip[ijk] =
+									dml_max(
+											v->VRatioPreCWithoutImmediateFlip[ijk],
+											(v->MaxNumSwC[k]
+													* v->SwathHeightCPerState[ijk])
+													/ (v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip
+															- (v->PrefillC[k]
+																	- 3.0)
+																	/ 2.0));
+						} else {
+							v->VRatioPreCWithoutImmediateFlip[ijk] =
+									999999;
+						}
+					}
+
+					v->RequiredPrefetchPixelDataBWWithoutImmediateFlip[ijk] =
+							v->NoOfDPP[ijk]
+									* (v->PrefetchLinesY[k]
+											/ v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip
+											* dml_ceil_ex(
+													v->BytePerPixelInDETY[k],
+													1)
+											+ v->PrefetchLinesC[k]
+													/ v->LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip
+													* dml_ceil_ex(
+															v->BytePerPixelInDETC[k],
+															2)
+													/ 2)
+									* v->SwathWidthYPerState[ijk]
+									/ (dest.htotal
+											/ dest.pixel_rate_mhz);
+				} else {
+					v->VRatioPreYWithoutImmediateFlip[ijk] = 999999;
+					v->VRatioPreCWithoutImmediateFlip[ijk] = 999999;
+					v->RequiredPrefetchPixelDataBWWithoutImmediateFlip[ijk] =
+							999999;
+				}
+			}
+
+			v->MaximumReadBandwidthWithPrefetchWithImmediateFlip = 0;
+
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_source_params_st src =
+						e2e[v->planes[k].e2e_index].pipe.src;
+				struct _vcs_dpi_display_pipe_dest_params_st dest =
+						e2e[v->planes[k].e2e_index].pipe.dest;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				if (src.source_format != dm_420_8
+						&& src.source_format != dm_420_10) {
+					v->MaximumReadBandwidthWithPrefetchWithImmediateFlip =
+							v->MaximumReadBandwidthWithPrefetchWithImmediateFlip
+									+ dml_max(
+											v->ReadBandwidth[k],
+											v->RequiredPrefetchPixelDataBWWithImmediateFlip[ijk])
+									+ dml_max(
+											v->MetaPTEBytesPerFrame[k]
+													/ (v->LinesForMetaPTEWithImmediateFlip[k]
+															* dest.htotal
+															/ dest.pixel_rate_mhz),
+											(v->MetaRowBytes[k]
+													+ v->DPTEBytesPerRow[k])
+													/ (v->LinesForMetaAndDPTERowWithImmediateFlip[k]
+															* dest.htotal
+															/ dest.pixel_rate_mhz));
+				} else {
+					v->MaximumReadBandwidthWithPrefetchWithImmediateFlip =
+							v->MaximumReadBandwidthWithPrefetchWithImmediateFlip
+									+ dml_max(
+											v->ReadBandwidth[k],
+											v->RequiredPrefetchPixelDataBWWithoutImmediateFlip[ijk]);
+				}
+			}
+
+			v->MaximumReadBandwidthWithPrefetchWithoutImmediateFlip = 0;
+
+			for (k = 0; k < num_planes; k++) {
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				v->MaximumReadBandwidthWithPrefetchWithoutImmediateFlip =
+						v->MaximumReadBandwidthWithPrefetchWithoutImmediateFlip
+								+ dml_max(
+										v->ReadBandwidth[k],
+										v->RequiredPrefetchPixelDataBWWithoutImmediateFlip[ijk]);
+			}
+
+			v->PrefetchSupportedWithImmediateFlip[ij] = 1;
+			if (v->MaximumReadBandwidthWithPrefetchWithImmediateFlip
+					> v->ReturnBWPerState[i]) {
+				v->PrefetchSupportedWithImmediateFlip[ij] = 0;
+			}
+			for (k = 0; k < num_planes; k++) {
+				if (v->LineTimesForPrefetch[k] < 2
+						|| v->LinesForMetaPTEWithImmediateFlip[k] >= 8
+						|| v->LinesForMetaAndDPTERowWithImmediateFlip[k]
+								>= 16) {
+					v->PrefetchSupportedWithImmediateFlip[ij] = 0;
+				}
+			}
+
+			v->PrefetchSupportedWithoutImmediateFlip[ij] = 1;
+			if (v->MaximumReadBandwidthWithPrefetchWithoutImmediateFlip
+					> v->ReturnBWPerState[i]) {
+				v->PrefetchSupportedWithoutImmediateFlip[ij] = 0;
+			}
+			for (k = 0; k < num_planes; k++) {
+				if (v->LineTimesForPrefetch[k] < 2
+						|| v->LinesForMetaPTEWithoutImmediateFlip[k] >= 8
+						|| v->LinesForMetaAndDPTERowWithoutImmediateFlip[k]
+								>= 16) {
+					v->PrefetchSupportedWithoutImmediateFlip[ij] = 0;
+				}
+			}
+		}
+	}
+
+	for (i = 0; i < NumberOfStatesPlusTwo; i++) {
+		for (j = 0; j < 2; j++) {
+			ij = j * NumberOfStatesPlusTwo + i;
+
+			v->VRatioInPrefetchSupportedWithImmediateFlip[ij] = 1;
+			for (k = 0; k < num_planes; k++) {
+				struct _vcs_dpi_display_pipe_source_params_st src =
+						e2e[v->planes[k].e2e_index].pipe.src;
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				if (((src.source_format != dm_420_8
+						&& src.source_format != dm_420_10)
+						&& (v->VRatioPreYWithImmediateFlip[ijk] > 4
+								|| v->VRatioPreCWithImmediateFlip[ijk]
+										> 4))
+						|| ((src.source_format == dm_420_8
+								|| src.source_format == dm_420_10)
+								&& (v->VRatioPreYWithoutImmediateFlip[ijk]
+										> 4
+										|| v->VRatioPreCWithoutImmediateFlip[ijk]
+												> 4))) {
+					v->VRatioInPrefetchSupportedWithImmediateFlip[ij] = 0;
+				}
+			}
+			v->VRatioInPrefetchSupportedWithoutImmediateFlip[ij] = 1;
+			for (k = 0; k < num_planes; k++) {
+				ijk = k * 2 * NumberOfStatesPlusTwo + j * NumberOfStatesPlusTwo + i;
+
+				if (v->VRatioPreYWithoutImmediateFlip[ijk] > 4
+						|| v->VRatioPreCWithoutImmediateFlip[ijk] > 4) {
+					v->VRatioInPrefetchSupportedWithoutImmediateFlip[ij] = 0;
+				}
+			}
+		}
+	}
+
+	// Mode Support, Voltage State and SOC Configuration
+
+	for (i = (NumberOfStatesPlusTwo - 1); i >= 0; i--) // use int type here
+			{
+		for (j = 0; j < 2; j++) {
+			ij = j * NumberOfStatesPlusTwo + i;
+
+			if (v->ScaleRatioSupport == 1 && v->SourceFormatPixelAndScanSupport == 1
+					&& v->ViewportSizeSupport == 1
+					&& v->BandwidthSupport[i] == 1 && v->DIOSupport[i] == 1
+					&& v->UrgentLatencySupport[ij] == 1 && v->ROBSupport[i] == 1
+					&& v->DISPCLK_DPPCLK_Support[ij] == 1
+					&& v->TotalAvailablePipesSupport[ij] == 1
+					&& v->TotalAvailableWritebackSupport == 1
+					&& v->WritebackLatencySupport == 1) {
+				if (v->PrefetchSupportedWithImmediateFlip[ij] == 1
+						&& v->VRatioInPrefetchSupportedWithImmediateFlip[ij]
+								== 1) {
+					v->ModeSupportWithImmediateFlip[ij] = 1;
+				} else {
+					v->ModeSupportWithImmediateFlip[ij] = 0;
+				}
+				if (v->PrefetchSupportedWithoutImmediateFlip[ij] == 1
+						&& v->VRatioInPrefetchSupportedWithoutImmediateFlip[ij]
+								== 1) {
+					v->ModeSupportWithoutImmediateFlip[ij] = 1;
+				} else {
+					v->ModeSupportWithoutImmediateFlip[ij] = 0;
+				}
+			} else {
+				v->ModeSupportWithImmediateFlip[ij] = 0;
+				v->ModeSupportWithoutImmediateFlip[ij] = 0;
+			}
+		}
+	}
+
+	for (i = (NumberOfStatesPlusTwo - 1); i >= 0; i--) // use int type here
+			{
+		if ((i == (NumberOfStatesPlusTwo - 1)
+				|| v->ModeSupportWithImmediateFlip[1 * NumberOfStatesPlusTwo + i]
+						== 1
+				|| v->ModeSupportWithImmediateFlip[0 * NumberOfStatesPlusTwo + i]
+						== 1) && i >= v->VoltageOverrideLevel) {
+			v->VoltageLevelWithImmediateFlip = i;
+		}
+	}
+
+	for (i = (NumberOfStatesPlusTwo - 1); i >= 0; i--) // use int type here
+			{
+		if ((i == (NumberOfStatesPlusTwo - 1)
+				|| v->ModeSupportWithoutImmediateFlip[1 * NumberOfStatesPlusTwo + i]
+						== 1
+				|| v->ModeSupportWithoutImmediateFlip[0 * NumberOfStatesPlusTwo + i]
+						== 1) && i >= v->VoltageOverrideLevel) {
+			v->VoltageLevelWithoutImmediateFlip = i;
+		}
+	}
+
+	if (v->VoltageLevelWithImmediateFlip == (NumberOfStatesPlusTwo - 1)) {
+		v->ImmediateFlipSupported = 0;
+		v->VoltageLevel = v->VoltageLevelWithoutImmediateFlip;
+	} else {
+		v->ImmediateFlipSupported = 1;
+		v->VoltageLevel = v->VoltageLevelWithImmediateFlip;
+	}
+
+	v->DCFCLK = v->DCFCLKPerState[(int) v->VoltageLevel];
+	v->FabricAndDRAMBandwidth = v->FabricAndDRAMBandwidthPerState[(int) v->VoltageLevel];
+
+	for (j = 0; j < 2; j++) {
+		v->RequiredDISPCLKPerRatio[j] = v->RequiredDISPCLK[j * NumberOfStatesPlusTwo
+				+ (int) v->VoltageLevel];
+		for (k = 0; k < num_planes; k++) {
+			v->DPPPerPlanePerRatio[k * 2 + j] = v->NoOfDPP[k * 2 * NumberOfStatesPlusTwo
+					+ j * NumberOfStatesPlusTwo + (int) v->VoltageLevel];
+		}
+		v->DISPCLK_DPPCLK_SupportPerRatio[j] = v->DISPCLK_DPPCLK_Support[j
+				* NumberOfStatesPlusTwo + (int) v->VoltageLevel];
+	}
+
+	ASSERT(v->ImmediateFlipSupported || v->MacroTileBlockWidthC || v->DCFCLK || v->FabricAndDRAMBandwidth);
+
+	return (v->VoltageLevel);
+}
+

drivers/gpu/drm/amd/display/dc/dml/display_mode_support.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_MODE_SUPPORT_H__
+#define __DISPLAY_MODE_SUPPORT_H__
+
+#include "dml_common_defs.h"
+
+struct display_mode_lib;
+
+#define NumberOfStates 4
+#define NumberOfStatesPlusTwo (NumberOfStates+2)
+
+struct dml_ms_internal_vars {
+	double ScaleRatioSupport;
+	double SourceFormatPixelAndScanSupport;
+	double TotalReadBandwidthConsumedGBytePerSecond;
+	double TotalWriteBandwidthConsumedGBytePerSecond;
+	double TotalBandwidthConsumedGBytePerSecond;
+	double DCCEnabledInAnyPlane;
+	double ReturnBWToDCNPerState;
+	double CriticalPoint;
+	double WritebackLatencySupport;
+	double RequiredOutputBW;
+	double TotalNumberOfActiveWriteback;
+	double TotalAvailableWritebackSupport;
+	double MaximumSwathWidth;
+	double NumberOfDPPRequiredForDETSize;
+	double NumberOfDPPRequiredForLBSize;
+	double MinDispclkUsingSingleDPP;
+	double MinDispclkUsingDualDPP;
+	double ViewportSizeSupport;
+	double SwathWidthGranularityY;
+	double RoundedUpMaxSwathSizeBytesY;
+	double SwathWidthGranularityC;
+	double RoundedUpMaxSwathSizeBytesC;
+	double LinesInDETLuma;
+	double LinesInDETChroma;
+	double EffectiveLBLatencyHidingSourceLinesLuma;
+	double EffectiveLBLatencyHidingSourceLinesChroma;
+	double EffectiveDETLBLinesLuma;
+	double EffectiveDETLBLinesChroma;
+	double ProjectedDCFCLKDeepSleep;
+	double MetaReqHeightY;
+	double MetaReqWidthY;
+	double MetaSurfaceWidthY;
+	double MetaSurfaceHeightY;
+	double MetaPteBytesPerFrameY;
+	double MetaRowBytesY;
+	double MacroTileBlockSizeBytesY;
+	double MacroTileBlockHeightY;
+	double DataPTEReqHeightY;
+	double DataPTEReqWidthY;
+	double DPTEBytesPerRowY;
+	double MetaReqHeightC;
+	double MetaReqWidthC;
+	double MetaSurfaceWidthC;
+	double MetaSurfaceHeightC;
+	double MetaPteBytesPerFrameC;
+	double MetaRowBytesC;
+	double MacroTileBlockSizeBytesC;
+	double MacroTileBlockHeightC;
+	double MacroTileBlockWidthC;
+	double DataPTEReqHeightC;
+	double DataPTEReqWidthC;
+	double DPTEBytesPerRowC;
+	double VInitY;
+	double MaxPartialSwY;
+	double VInitC;
+	double MaxPartialSwC;
+	double dst_x_after_scaler;
+	double dst_y_after_scaler;
+	double TimeCalc;
+	double VUpdateOffset;
+	double TotalRepeaterDelay;
+	double VUpdateWidth;
+	double VReadyOffset;
+	double TimeSetup;
+	double ExtraLatency;
+	double MaximumVStartup;
+	double BWAvailableForImmediateFlip;
+	double TotalImmediateFlipBytes;
+	double TimeForMetaPTEWithImmediateFlip;
+	double TimeForMetaPTEWithoutImmediateFlip;
+	double TimeForMetaAndDPTERowWithImmediateFlip;
+	double TimeForMetaAndDPTERowWithoutImmediateFlip;
+	double LineTimesToRequestPrefetchPixelDataWithImmediateFlip;
+	double LineTimesToRequestPrefetchPixelDataWithoutImmediateFlip;
+	double MaximumReadBandwidthWithPrefetchWithImmediateFlip;
+	double MaximumReadBandwidthWithPrefetchWithoutImmediateFlip;
+	double VoltageOverrideLevel;
+	double VoltageLevelWithImmediateFlip;
+	double VoltageLevelWithoutImmediateFlip;
+	double ImmediateFlipSupported;
+	double VoltageLevel;
+	double DCFCLK;
+	double FabricAndDRAMBandwidth;
+	double SwathWidthYSingleDPP[DC__NUM_PIPES__MAX];
+	double BytePerPixelInDETY[DC__NUM_PIPES__MAX];
+	double BytePerPixelInDETC[DC__NUM_PIPES__MAX];
+	double ReadBandwidth[DC__NUM_PIPES__MAX];
+	double WriteBandwidth[DC__NUM_PIPES__MAX];
+	double DCFCLKPerState[NumberOfStatesPlusTwo];
+	double FabricAndDRAMBandwidthPerState[NumberOfStatesPlusTwo];
+	double ReturnBWPerState[NumberOfStatesPlusTwo];
+	double BandwidthSupport[NumberOfStatesPlusTwo];
+	double UrgentRoundTripAndOutOfOrderLatencyPerState[NumberOfStatesPlusTwo];
+	double ROBSupport[NumberOfStatesPlusTwo];
+	double RequiredPHYCLK[DC__NUM_PIPES__MAX];
+	double DIOSupport[NumberOfStatesPlusTwo];
+	double PHYCLKPerState[NumberOfStatesPlusTwo];
+	double PSCL_FACTOR[DC__NUM_PIPES__MAX];
+	double PSCL_FACTOR_CHROMA[DC__NUM_PIPES__MAX];
+	double MinDPPCLKUsingSingleDPP[DC__NUM_PIPES__MAX];
+	double Read256BlockHeightY[DC__NUM_PIPES__MAX];
+	double Read256BlockWidthY[DC__NUM_PIPES__MAX];
+	double Read256BlockHeightC[DC__NUM_PIPES__MAX];
+	double Read256BlockWidthC[DC__NUM_PIPES__MAX];
+	double MaxSwathHeightY[DC__NUM_PIPES__MAX];
+	double MaxSwathHeightC[DC__NUM_PIPES__MAX];
+	double MinSwathHeightY[DC__NUM_PIPES__MAX];
+	double MinSwathHeightC[DC__NUM_PIPES__MAX];
+	double NumberOfDPPRequiredForDETAndLBSize[DC__NUM_PIPES__MAX];
+	double TotalNumberOfActiveDPP[NumberOfStatesPlusTwo * 2];
+	double RequiredDISPCLK[NumberOfStatesPlusTwo * 2];
+	double DISPCLK_DPPCLK_Support[NumberOfStatesPlusTwo * 2];
+	double MaxDispclk[NumberOfStatesPlusTwo];
+	double MaxDppclk[NumberOfStatesPlusTwo];
+	double NoOfDPP[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double TotalAvailablePipesSupport[NumberOfStatesPlusTwo * 2];
+	double SwathWidthYPerState[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double SwathHeightYPerState[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double SwathHeightCPerState[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double DETBufferSizeYPerState[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double UrgentLatencySupportUsPerState[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double UrgentLatencySupport[NumberOfStatesPlusTwo * 2];
+	double TotalNumberOfDCCActiveDPP[NumberOfStatesPlusTwo * 2];
+	double DPTEBytesPerRow[DC__NUM_PIPES__MAX];
+	double MetaPTEBytesPerFrame[DC__NUM_PIPES__MAX];
+	double MetaRowBytes[DC__NUM_PIPES__MAX];
+	double PrefillY[DC__NUM_PIPES__MAX];
+	double MaxNumSwY[DC__NUM_PIPES__MAX];
+	double PrefetchLinesY[DC__NUM_PIPES__MAX];
+	double PrefillC[DC__NUM_PIPES__MAX];
+	double MaxNumSwC[DC__NUM_PIPES__MAX];
+	double PrefetchLinesC[DC__NUM_PIPES__MAX];
+	double LineTimesForPrefetch[DC__NUM_PIPES__MAX];
+	double PrefetchBW[DC__NUM_PIPES__MAX];
+	double LinesForMetaPTEWithImmediateFlip[DC__NUM_PIPES__MAX];
+	double LinesForMetaPTEWithoutImmediateFlip[DC__NUM_PIPES__MAX];
+	double LinesForMetaAndDPTERowWithImmediateFlip[DC__NUM_PIPES__MAX];
+	double LinesForMetaAndDPTERowWithoutImmediateFlip[DC__NUM_PIPES__MAX];
+	double VRatioPreYWithImmediateFlip[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double VRatioPreCWithImmediateFlip[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double RequiredPrefetchPixelDataBWWithImmediateFlip[NumberOfStatesPlusTwo * 2
+			* DC__NUM_PIPES__MAX];
+	double VRatioPreYWithoutImmediateFlip[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double VRatioPreCWithoutImmediateFlip[NumberOfStatesPlusTwo * 2 * DC__NUM_PIPES__MAX];
+	double RequiredPrefetchPixelDataBWWithoutImmediateFlip[NumberOfStatesPlusTwo * 2
+			* DC__NUM_PIPES__MAX];
+	double PrefetchSupportedWithImmediateFlip[NumberOfStatesPlusTwo * 2];
+	double PrefetchSupportedWithoutImmediateFlip[NumberOfStatesPlusTwo * 2];
+	double VRatioInPrefetchSupportedWithImmediateFlip[NumberOfStatesPlusTwo * 2];
+	double VRatioInPrefetchSupportedWithoutImmediateFlip[NumberOfStatesPlusTwo * 2];
+	double ModeSupportWithImmediateFlip[NumberOfStatesPlusTwo * 2];
+	double ModeSupportWithoutImmediateFlip[NumberOfStatesPlusTwo * 2];
+	double RequiredDISPCLKPerRatio[2];
+	double DPPPerPlanePerRatio[2 * DC__NUM_PIPES__MAX];
+	double DISPCLK_DPPCLK_SupportPerRatio[2];
+	struct _vcs_dpi_wm_calc_pipe_params_st planes[DC__NUM_PIPES__MAX];
+};
+
+int dml_ms_check(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		int num_pipes);
+
+#endif

drivers/gpu/drm/amd/display/dc/dml/display_pipe_clocks.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "display_pipe_clocks.h"
+#include "display_mode_lib.h"
+#include "soc_bounding_box.h"
+
+static enum voltage_state power_state(
+		struct display_mode_lib *mode_lib,
+		double dispclk,
+		double dppclk)
+{
+	enum voltage_state state1;
+	enum voltage_state state2;
+
+	if (dispclk <= mode_lib->soc.vmin.dispclk_mhz)
+		state1 = dm_vmin;
+	else if (dispclk <= mode_lib->soc.vnom.dispclk_mhz)
+		state1 = dm_vnom;
+	else if (dispclk <= mode_lib->soc.vmax.dispclk_mhz)
+		state1 = dm_vmax;
+	else
+		state1 = dm_vmax_exceeded;
+
+	if (dppclk <= mode_lib->soc.vmin.dppclk_mhz)
+		state2 = dm_vmin;
+	else if (dppclk <= mode_lib->soc.vnom.dppclk_mhz)
+		state2 = dm_vnom;
+	else if (dppclk <= mode_lib->soc.vmax.dppclk_mhz)
+		state2 = dm_vmax;
+	else
+		state2 = dm_vmax_exceeded;
+
+	if (state1 > state2)
+		return state1;
+	else
+		return state2;
+}
+
+static unsigned int dpp_in_grp(
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes,
+		unsigned int hsplit_grp)
+{
+	unsigned int num_dpp = 0;
+	unsigned int i;
+
+	for (i = 0; i < num_pipes; i++) {
+		if (e2e[i].pipe.src.is_hsplit) {
+			if (e2e[i].pipe.src.hsplit_grp == hsplit_grp) {
+				num_dpp++;
+			}
+		}
+	}
+
+	if (0 == num_dpp)
+		num_dpp = 1;
+
+	return num_dpp;
+}
+
+static void calculate_pipe_clk_requirement(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_dpp_in_grp,
+		double *dppclk,
+		double *dispclk,
+		bool *dppdiv)
+{
+	double pscl_throughput = 0.0;
+	double max_hratio = e2e->pipe.scale_ratio_depth.hscl_ratio;
+	double max_vratio = e2e->pipe.scale_ratio_depth.vscl_ratio;
+	double max_htaps = e2e->pipe.scale_taps.htaps;
+	double max_vtaps = e2e->pipe.scale_taps.vtaps;
+	double dpp_clock_divider = (double) num_dpp_in_grp;
+	double dispclk_dppclk_ratio;
+	double dispclk_ramp_margin_percent;
+
+	if (max_hratio > 1.0) {
+		double pscl_to_lb = ((double) mode_lib->ip.max_pscl_lb_bw_pix_per_clk * max_hratio)
+				/ dml_ceil(max_htaps / 6.0);
+		pscl_throughput = dml_min(
+				pscl_to_lb,
+				(double) mode_lib->ip.max_dchub_pscl_bw_pix_per_clk);
+	} else {
+		pscl_throughput = dml_min(
+				(double) mode_lib->ip.max_pscl_lb_bw_pix_per_clk,
+				(double) mode_lib->ip.max_dchub_pscl_bw_pix_per_clk);
+	}
+
+	DTRACE("pscl_throughput: %f pix per clk", pscl_throughput);
+	DTRACE("vtaps: %f hratio: %f vratio: %f", max_vtaps, max_hratio, max_vratio);
+	*dppclk = dml_max(
+			max_vtaps / 6.0 * dml_min(1.0, max_hratio),
+			max_hratio * max_vratio / pscl_throughput);
+	DTRACE("pixel rate multiplier: %f", *dppclk);
+	*dppclk = dml_max(*dppclk, 1.0);
+	DTRACE("pixel rate multiplier clamped: %f", *dppclk);
+	*dppclk = *dppclk * e2e->pipe.dest.pixel_rate_mhz;
+
+	*dppclk = *dppclk / dpp_clock_divider;
+	DTRACE("dppclk after split: %f", *dppclk);
+
+	if (dpp_clock_divider > 1.0 && (*dppclk < e2e->pipe.dest.pixel_rate_mhz)) {
+		dispclk_dppclk_ratio = 2.0;
+		*dppdiv = true;
+	} else {
+		dispclk_dppclk_ratio = 1.0;
+		*dppdiv = false;
+	}
+
+	dispclk_ramp_margin_percent = mode_lib->ip.dispclk_ramp_margin_percent;
+
+	/* Comment this out because of Gabes possible bug in spreadsheet,
+	 * just to make other cases evident during debug
+	 *
+	 *if(e2e->clks_cfg.voltage == dm_vmax)
+	 *    dispclk_ramp_margin_percent = 0.0;
+	 */
+
+	/* account for ramping margin and downspread */
+	*dispclk = dml_max(*dppclk * dispclk_dppclk_ratio, e2e->pipe.dest.pixel_rate_mhz)
+			* (1.0 + (double) mode_lib->soc.downspread_percent / 100.0)
+			* (1.0 + (double) dispclk_ramp_margin_percent / 100.0);
+
+	return;
+}
+
+bool dml_clks_pipe_clock_requirement_fit_power_constraint(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_dpp_in_grp)
+{
+	double dppclk = 0;
+	double dispclk = 0;
+	bool dppdiv = 0;
+
+	calculate_pipe_clk_requirement(mode_lib, e2e, num_dpp_in_grp, &dppclk, &dispclk, &dppdiv);
+
+	if (power_state(mode_lib, dispclk, dppclk) > e2e->clks_cfg.voltage) {
+		return false;
+	}
+
+	return true;
+}
+
+static void get_plane_clks(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes,
+		double *dppclks,
+		double *dispclks,
+		bool *dppdiv)
+{
+	/* it is assumed that the scale ratios passed into the e2e pipe params have already been calculated
+	 * for any split pipe configurations, where extra pixels inthe overlap region do not contribute to
+	 * the scale ratio. This means that we can simply calculate the dppclk for each dpp independently
+	 * and we would expect the same result on any split pipes, which would be handled
+	 */
+	unsigned int i;
+
+	for (i = 0; i < num_pipes; i++) {
+		double num_dpp_in_grp;
+		double dispclk_ramp_margin_percent;
+		double dispclk_margined;
+
+		if (e2e[i].pipe.src.is_hsplit)
+			num_dpp_in_grp = (double) dpp_in_grp(
+					e2e,
+					num_pipes,
+					e2e[i].pipe.src.hsplit_grp);
+		else
+			num_dpp_in_grp = 1;
+
+		calculate_pipe_clk_requirement(
+				mode_lib,
+				&e2e[i],
+				num_dpp_in_grp,
+				&dppclks[i],
+				&dispclks[i],
+				&dppdiv[i]);
+
+		dispclk_ramp_margin_percent = mode_lib->ip.dispclk_ramp_margin_percent;
+
+		dispclk_margined = e2e[i].pipe.dest.pixel_rate_mhz
+				* (1.0 + (double) mode_lib->soc.downspread_percent / 100.0)
+				* (1.0 + (double) dispclk_ramp_margin_percent / 100.0);
+
+		DTRACE("p%d: requested power state: %d", i, (int) e2e[0].clks_cfg.voltage);
+
+		if (power_state(mode_lib, dispclks[i], dppclks[i])
+				> power_state(mode_lib, dispclk_margined, dispclk_margined)
+				&& dispclk_margined > dppclks[i]) {
+			if (power_state(mode_lib, dispclks[i], dppclks[i])
+					> e2e[0].clks_cfg.voltage) {
+				dispclks[i] = dispclk_margined;
+				dppclks[i] = dispclk_margined;
+				dppdiv[i] = false;
+			}
+		}
+
+		DTRACE("p%d: dispclk: %f", i, dispclks[i]);
+	}
+}
+
+static void get_dcfclk(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes,
+		double *dcfclk_mhz)
+{
+	double bytes_per_pixel_det_y[DC__NUM_PIPES__MAX];
+	double bytes_per_pixel_det_c[DC__NUM_PIPES__MAX];
+	double swath_width_y[DC__NUM_PIPES__MAX];
+	unsigned int i;
+	double total_read_bandwidth_gbps = 0.0;
+
+	for (i = 0; i < num_pipes; i++) {
+		if (e2e[i].pipe.src.source_scan == dm_horz) {
+			swath_width_y[i] = e2e[i].pipe.src.viewport_width * 1.0;
+		} else {
+			swath_width_y[i] = e2e[i].pipe.src.viewport_height * 1.0;
+		}
+
+		switch (e2e[i].pipe.src.source_format) {
+		case dm_444_64:
+			bytes_per_pixel_det_y[i] = 8.0;
+			bytes_per_pixel_det_c[i] = 0.0;
+			break;
+		case dm_444_32:
+			bytes_per_pixel_det_y[i] = 4.0;
+			bytes_per_pixel_det_c[i] = 0.0;
+			break;
+		case dm_444_16:
+			bytes_per_pixel_det_y[i] = 2.0;
+			bytes_per_pixel_det_c[i] = 0.0;
+			break;
+		case dm_422_8:
+			bytes_per_pixel_det_y[i] = 2.0;
+			bytes_per_pixel_det_c[i] = 0.0;
+			break;
+		case dm_422_10:
+			bytes_per_pixel_det_y[i] = 4.0;
+			bytes_per_pixel_det_c[i] = 0.0;
+			break;
+		case dm_420_8:
+			bytes_per_pixel_det_y[i] = 1.0;
+			bytes_per_pixel_det_c[i] = 2.0;
+			break;
+		case dm_420_10:
+			bytes_per_pixel_det_y[i] = 4.0 / 3.0;
+			bytes_per_pixel_det_c[i] = 8.0 / 3.0;
+			break;
+		default:
+			BREAK_TO_DEBUGGER(); /* invalid src_format in get_dcfclk */
+		}
+	}
+
+	for (i = 0; i < num_pipes; i++) {
+		double read_bandwidth_plane_mbps = 0.0;
+		read_bandwidth_plane_mbps = (double) swath_width_y[i]
+				* ((double) bytes_per_pixel_det_y[i]
+						+ (double) bytes_per_pixel_det_c[i] / 2.0)
+				/ ((double) e2e[i].pipe.dest.htotal
+						/ (double) e2e[i].pipe.dest.pixel_rate_mhz)
+				* e2e[i].pipe.scale_ratio_depth.vscl_ratio;
+
+		if (e2e[i].pipe.src.dcc) {
+			read_bandwidth_plane_mbps += (read_bandwidth_plane_mbps / 1000.0 / 256.0);
+		}
+
+		if (e2e[i].pipe.src.vm) {
+			read_bandwidth_plane_mbps += (read_bandwidth_plane_mbps / 1000.0 / 512.0);
+		}
+
+		total_read_bandwidth_gbps = total_read_bandwidth_gbps
+				+ read_bandwidth_plane_mbps / 1000.0;
+	}
+
+	DTRACE("total bandwidth = %f gbps", total_read_bandwidth_gbps);
+
+	(*dcfclk_mhz) = (total_read_bandwidth_gbps * 1000.0) / mode_lib->soc.return_bus_width_bytes;
+
+	DTRACE(
+			"minimum theoretical dcfclk without stutter and full utilization = %f MHz",
+			(*dcfclk_mhz));
+
+}
+
+struct _vcs_dpi_display_pipe_clock_st dml_clks_get_pipe_clocks(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes)
+{
+	struct _vcs_dpi_display_pipe_clock_st clocks;
+	double max_dispclk = 0.0;
+	double dcfclk;
+	double dispclks[DC__NUM_PIPES__MAX];
+	double dppclks[DC__NUM_PIPES__MAX];
+	bool dppdiv[DC__NUM_PIPES__MAX];
+	unsigned int i;
+
+	DTRACE("Calculating pipe clocks...");
+
+	/* this is the theoretical minimum, have to adjust based on valid values for soc */
+	get_dcfclk(mode_lib, e2e, num_pipes, &dcfclk);
+
+	/*    if(dcfclk > soc.vnom.dcfclk_mhz)
+	 *        dcfclk = soc.vmax.dcfclk_mhz;
+	 *    else if(dcfclk > soc.vmin.dcfclk_mhz)
+	 *        dcfclk = soc.vnom.dcfclk_mhz;
+	 *    else
+	 *        dcfclk = soc.vmin.dcfclk_mhz;
+	 */
+
+	dcfclk = dml_socbb_voltage_scaling(
+			&mode_lib->soc,
+			(enum voltage_state) e2e[0].clks_cfg.voltage).dcfclk_mhz;
+	clocks.dcfclk_mhz = dcfclk;
+
+	get_plane_clks(mode_lib, e2e, num_pipes, dppclks, dispclks, dppdiv);
+
+	for (i = 0; i < num_pipes; i++) {
+		max_dispclk = dml_max(max_dispclk, dispclks[i]);
+	}
+
+	clocks.dispclk_mhz = max_dispclk;
+	DTRACE("dispclk: %f Mhz", clocks.dispclk_mhz);
+	DTRACE("dcfclk: %f Mhz", clocks.dcfclk_mhz);
+
+	for (i = 0; i < num_pipes; i++) {
+		if (dppclks[i] * 2 < max_dispclk)
+			dppdiv[i] = 1;
+
+		if (dppdiv[i])
+			clocks.dppclk_div[i] = 1;
+		else
+			clocks.dppclk_div[i] = 0;
+
+		clocks.dppclk_mhz[i] = max_dispclk / ((dppdiv[i]) ? 2.0 : 1.0);
+		DTRACE("dppclk%d: %f Mhz", i, clocks.dppclk_mhz[i]);
+	}
+
+	return clocks;
+}

drivers/gpu/drm/amd/display/dc/dml/display_pipe_clocks.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_PIPE_CLOCKS_H__
+#define __DISPLAY_PIPE_CLOCKS_H__
+
+#include "dml_common_defs.h"
+
+struct display_mode_lib;
+
+struct _vcs_dpi_display_pipe_clock_st dml_clks_get_pipe_clocks(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes);
+
+bool dml_clks_pipe_clock_requirement_fit_power_constraint(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_dpp_in_grp);
+#endif

drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_calc.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include "display_rq_dlg_calc.h"
+#include "display_mode_lib.h"
+
+static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma)
+{
+	unsigned int ret_val = 0;
+
+	if (source_format == dm_444_16) {
+		if (!is_chroma)
+			ret_val = 2;
+	} else if (source_format == dm_444_32) {
+		if (!is_chroma)
+			ret_val = 4;
+	} else if (source_format == dm_444_64) {
+		if (!is_chroma)
+			ret_val = 8;
+	} else if (source_format == dm_420_8) {
+		if (is_chroma)
+			ret_val = 2;
+		else
+			ret_val = 1;
+	} else if (source_format == dm_420_10) {
+		if (is_chroma)
+			ret_val = 4;
+		else
+			ret_val = 2;
+	}
+	return ret_val;
+}
+
+static bool is_dual_plane(enum source_format_class source_format)
+{
+	bool ret_val = 0;
+
+	if ((source_format == dm_420_8) || (source_format == dm_420_10))
+		ret_val = 1;
+
+	return ret_val;
+}
+
+static void get_blk256_size(
+		unsigned int *blk256_width,
+		unsigned int *blk256_height,
+		unsigned int bytes_per_element)
+{
+	if (bytes_per_element == 1) {
+		*blk256_width = 16;
+		*blk256_height = 16;
+	} else if (bytes_per_element == 2) {
+		*blk256_width = 16;
+		*blk256_height = 8;
+	} else if (bytes_per_element == 4) {
+		*blk256_width = 8;
+		*blk256_height = 8;
+	} else if (bytes_per_element == 8) {
+		*blk256_width = 8;
+		*blk256_height = 4;
+	}
+}
+
+static double get_refcyc_per_delivery(
+		struct display_mode_lib *mode_lib,
+		double refclk_freq_in_mhz,
+		double pclk_freq_in_mhz,
+		int unsigned recout_width,
+		double vratio,
+		double hscale_pixel_rate,
+		int unsigned delivery_width,
+		int unsigned req_per_swath_ub)
+{
+	double refcyc_per_delivery = 0.0;
+	if (vratio <= 1.0) {
+		refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) recout_width
+				/ pclk_freq_in_mhz / (double) req_per_swath_ub;
+	} else {
+		refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) delivery_width
+				/ (double) hscale_pixel_rate / (double) req_per_swath_ub;
+	}
+
+	DTRACE("DLG: %s: refclk_freq_in_mhz = %3.2f", __func__, refclk_freq_in_mhz);
+	DTRACE("DLG: %s: pclk_freq_in_mhz   = %3.2f", __func__, pclk_freq_in_mhz);
+	DTRACE("DLG: %s: recout_width       = %d", __func__, recout_width);
+	DTRACE("DLG: %s: vratio             = %3.2f", __func__, vratio);
+	DTRACE("DLG: %s: req_per_swath_ub   = %d", __func__, req_per_swath_ub);
+	DTRACE("DLG: %s: refcyc_per_delivery= %3.2f", __func__, refcyc_per_delivery);
+
+	return refcyc_per_delivery;
+
+}
+
+static double get_vratio_pre(
+		struct display_mode_lib *mode_lib,
+		unsigned int max_num_sw,
+		unsigned int max_partial_sw,
+		unsigned int swath_height,
+		double vinit,
+		double l_sw)
+{
+	double prefill = dml_floor(vinit);
+	double vratio_pre = 1.0;
+
+	vratio_pre = (max_num_sw * swath_height + max_partial_sw) / l_sw;
+
+	if (swath_height > 4) {
+		double tmp0 = (max_num_sw * swath_height) / (l_sw - (prefill - 3.0) / 2.0);
+		if (tmp0 > vratio_pre)
+			vratio_pre = tmp0;
+	}
+
+	DTRACE("DLG: %s: max_num_sw        = %0d", __func__, max_num_sw);
+	DTRACE("DLG: %s: max_partial_sw    = %0d", __func__, max_partial_sw);
+	DTRACE("DLG: %s: swath_height      = %0d", __func__, swath_height);
+	DTRACE("DLG: %s: vinit             = %3.2f", __func__, vinit);
+	DTRACE("DLG: %s: vratio_pre        = %3.2f", __func__, vratio_pre);
+
+	if (vratio_pre < 1.0) {
+		DTRACE("WARNING_DLG: %s:  vratio_pre=%3.2f < 1.0, set to 1.0", __func__, vratio_pre);
+		vratio_pre = 1.0;
+	}
+
+	if (vratio_pre > 4.0) {
+		DTRACE(
+				"WARNING_DLG: %s:  vratio_pre=%3.2f > 4.0 (max scaling ratio). set to 4.0",
+				__func__,
+				vratio_pre);
+		vratio_pre = 4.0;
+	}
+
+	return vratio_pre;
+}
+
+static void get_swath_need(
+		struct display_mode_lib *mode_lib,
+		unsigned int *max_num_sw,
+		unsigned int *max_partial_sw,
+		unsigned int swath_height,
+		double vinit)
+{
+	double prefill = dml_floor(vinit);
+	unsigned int max_partial_sw_int;
+
+	DTRACE("DLG: %s: swath_height      = %0d", __func__, swath_height);
+	DTRACE("DLG: %s: vinit             = %3.2f", __func__, vinit);
+
+	ASSERT(prefill > 0.0 && prefill <= 8.0);
+
+	*max_num_sw = (int unsigned) (dml_ceil((prefill - 1.0) / (double) swath_height) + 1.0); /* prefill has to be >= 1 */
+	max_partial_sw_int =
+			(prefill == 1) ?
+					(swath_height - 1) :
+					((int unsigned) (prefill - 2.0) % swath_height);
+	*max_partial_sw = (max_partial_sw_int < 1) ? 1 : max_partial_sw_int; /* ensure minimum of 1 is used */
+
+	DTRACE("DLG: %s: max_num_sw        = %0d", __func__, *max_num_sw);
+	DTRACE("DLG: %s: max_partial_sw    = %0d", __func__, *max_partial_sw);
+}
+
+static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size)
+{
+	if (tile_size == dm_256k_tile)
+		return (256 * 1024);
+	else if (tile_size == dm_64k_tile)
+		return (64 * 1024);
+	else
+		return (4 * 1024);
+}
+
+static void extract_rq_sizing_regs(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_regs_st *rq_regs,
+		const struct _vcs_dpi_display_data_rq_sizing_params_st rq_sizing)
+{
+	DTRACE("DLG: %s: rq_sizing param", __func__);
+	print__data_rq_sizing_params_st(mode_lib, rq_sizing);
+
+	rq_regs->chunk_size = dml_log2(rq_sizing.chunk_bytes) - 10;
+
+	if (rq_sizing.min_chunk_bytes == 0)
+		rq_regs->min_chunk_size = 0;
+	else
+		rq_regs->min_chunk_size = dml_log2(rq_sizing.min_chunk_bytes) - 8 + 1;
+
+	rq_regs->meta_chunk_size = dml_log2(rq_sizing.meta_chunk_bytes) - 10;
+	if (rq_sizing.min_meta_chunk_bytes == 0)
+		rq_regs->min_meta_chunk_size = 0;
+	else
+		rq_regs->min_meta_chunk_size = dml_log2(rq_sizing.min_meta_chunk_bytes) - 6 + 1;
+
+	rq_regs->dpte_group_size = dml_log2(rq_sizing.dpte_group_bytes) - 6;
+	rq_regs->mpte_group_size = dml_log2(rq_sizing.mpte_group_bytes) - 6;
+}
+
+void extract_rq_regs(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_regs_st *rq_regs,
+		const struct _vcs_dpi_display_rq_params_st rq_param)
+{
+	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
+	unsigned int detile_buf_plane1_addr = 0;
+
+	extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_l), rq_param.sizing.rq_l);
+	if (rq_param.yuv420)
+		extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), rq_param.sizing.rq_c);
+
+	rq_regs->rq_regs_l.swath_height = dml_log2(rq_param.dlg.rq_l.swath_height);
+	rq_regs->rq_regs_c.swath_height = dml_log2(rq_param.dlg.rq_c.swath_height);
+
+	/* FIXME: take the max between luma, chroma chunk size?
+	 * okay for now, as we are setting chunk_bytes to 8kb anyways
+	 */
+	if (rq_param.sizing.rq_l.chunk_bytes >= 32 * 1024) { /*32kb */
+		rq_regs->drq_expansion_mode = 0;
+	} else {
+		rq_regs->drq_expansion_mode = 2;
+	}
+	rq_regs->prq_expansion_mode = 1;
+	rq_regs->mrq_expansion_mode = 1;
+	rq_regs->crq_expansion_mode = 1;
+
+	if (rq_param.yuv420) {
+		if ((double) rq_param.misc.rq_l.stored_swath_bytes
+				/ (double) rq_param.misc.rq_c.stored_swath_bytes <= 1.5) {
+			detile_buf_plane1_addr = (detile_buf_size_in_bytes / 2.0 / 64.0); /* half to chroma */
+		} else {
+			detile_buf_plane1_addr = dml_round_to_multiple(
+					(unsigned int) ((2.0 * detile_buf_size_in_bytes) / 3.0),
+					256,
+					0) / 64.0; /* 2/3 to chroma */
+		}
+	}
+	rq_regs->plane1_base_address = detile_buf_plane1_addr;
+}
+
+static void handle_det_buf_split(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_params_st *rq_param,
+		const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param)
+{
+	unsigned int total_swath_bytes = 0;
+	unsigned int swath_bytes_l = 0;
+	unsigned int swath_bytes_c = 0;
+	unsigned int full_swath_bytes_packed_l = 0;
+	unsigned int full_swath_bytes_packed_c = 0;
+	bool req128_l = 0;
+	bool req128_c = 0;
+	bool surf_linear = (pipe_src_param.sw_mode == dm_sw_linear);
+	bool surf_vert = (pipe_src_param.source_scan == dm_vert);
+	unsigned int log2_swath_height_l = 0;
+	unsigned int log2_swath_height_c = 0;
+	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
+
+	full_swath_bytes_packed_l = rq_param->misc.rq_l.full_swath_bytes;
+	full_swath_bytes_packed_c = rq_param->misc.rq_c.full_swath_bytes;
+
+	if (rq_param->yuv420_10bpc) {
+		full_swath_bytes_packed_l = dml_round_to_multiple(
+				rq_param->misc.rq_l.full_swath_bytes * 2 / 3,
+				256,
+				1) + 256;
+		full_swath_bytes_packed_c = dml_round_to_multiple(
+				rq_param->misc.rq_c.full_swath_bytes * 2 / 3,
+				256,
+				1) + 256;
+	}
+
+	if (rq_param->yuv420) {
+		total_swath_bytes = 2 * full_swath_bytes_packed_l + 2 * full_swath_bytes_packed_c;
+
+		if (total_swath_bytes <= detile_buf_size_in_bytes) { /*full 256b request */
+			req128_l = 0;
+			req128_c = 0;
+			swath_bytes_l = full_swath_bytes_packed_l;
+			swath_bytes_c = full_swath_bytes_packed_c;
+		} else { /*128b request (for luma only for yuv420 8bpc) */
+			req128_l = 1;
+			req128_c = 0;
+			swath_bytes_l = full_swath_bytes_packed_l / 2;
+			swath_bytes_c = full_swath_bytes_packed_c;
+		}
+
+		/* Bug workaround, luma and chroma req size needs to be the same. (see: DEGVIDCN10-137)
+		 * TODO: Remove after rtl fix
+		 */
+		if (req128_l == 1) {
+			req128_c = 1;
+			DTRACE("DLG: %s: bug workaround DEGVIDCN10-137", __func__);
+		}
+
+		/* Note: assumption, the config that pass in will fit into
+		 *       the detiled buffer.
+		 */
+	} else {
+		total_swath_bytes = 2 * full_swath_bytes_packed_l;
+
+		if (total_swath_bytes <= detile_buf_size_in_bytes)
+			req128_l = 0;
+		else
+			req128_l = 1;
+
+		swath_bytes_l = total_swath_bytes;
+		swath_bytes_c = 0;
+	}
+	rq_param->misc.rq_l.stored_swath_bytes = swath_bytes_l;
+	rq_param->misc.rq_c.stored_swath_bytes = swath_bytes_c;
+
+	if (surf_linear) {
+		log2_swath_height_l = 0;
+		log2_swath_height_c = 0;
+	} else if (!surf_vert) {
+		log2_swath_height_l = dml_log2(rq_param->misc.rq_l.blk256_height) - req128_l;
+		log2_swath_height_c = dml_log2(rq_param->misc.rq_c.blk256_height) - req128_c;
+	} else {
+		log2_swath_height_l = dml_log2(rq_param->misc.rq_l.blk256_width) - req128_l;
+		log2_swath_height_c = dml_log2(rq_param->misc.rq_c.blk256_width) - req128_c;
+	}
+	rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
+	rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c;
+
+	DTRACE("DLG: %s: req128_l = %0d", __func__, req128_l);
+	DTRACE("DLG: %s: req128_c = %0d", __func__, req128_c);
+	DTRACE("DLG: %s: full_swath_bytes_packed_l = %0d", __func__, full_swath_bytes_packed_l);
+	DTRACE("DLG: %s: full_swath_bytes_packed_c = %0d", __func__, full_swath_bytes_packed_c);
+}
+
+/* Need refactor. */
+void dml_rq_dlg_get_row_heights(
+		struct display_mode_lib *mode_lib,
+		unsigned int *o_dpte_row_height,
+		unsigned int *o_meta_row_height,
+		unsigned int vp_width,
+		unsigned int data_pitch,
+		int source_format,
+		int tiling,
+		int macro_tile_size,
+		int source_scan,
+		int is_chroma)
+{
+	bool surf_linear = (tiling == dm_sw_linear);
+	bool surf_vert = (source_scan == dm_vert);
+
+	unsigned int bytes_per_element = get_bytes_per_element(
+			(enum source_format_class) source_format,
+			is_chroma);
+	unsigned int log2_bytes_per_element = dml_log2(bytes_per_element);
+	unsigned int blk256_width = 0;
+	unsigned int blk256_height = 0;
+
+	unsigned int log2_blk256_height;
+	unsigned int blk_bytes;
+	unsigned int log2_blk_bytes;
+	unsigned int log2_blk_height;
+	unsigned int log2_blk_width;
+	unsigned int log2_meta_req_bytes;
+	unsigned int log2_meta_req_height;
+	unsigned int log2_meta_req_width;
+	unsigned int log2_meta_row_height;
+	unsigned int log2_vmpg_bytes;
+	unsigned int dpte_buf_in_pte_reqs;
+	unsigned int log2_vmpg_height;
+	unsigned int log2_vmpg_width;
+	unsigned int log2_dpte_req_height_ptes;
+	unsigned int log2_dpte_req_width_ptes;
+	unsigned int log2_dpte_req_height;
+	unsigned int log2_dpte_req_width;
+	unsigned int log2_dpte_row_height_linear;
+	unsigned int log2_dpte_row_height;
+	unsigned int dpte_req_width;
+
+	if (surf_linear) {
+		blk256_width = 256;
+		blk256_height = 1;
+	} else {
+		get_blk256_size(&blk256_width, &blk256_height, bytes_per_element);
+	}
+
+	log2_blk256_height = dml_log2((double) blk256_height);
+	blk_bytes = surf_linear ?
+			256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
+	log2_blk_bytes = dml_log2((double) blk_bytes);
+	log2_blk_height = 0;
+	log2_blk_width = 0;
+
+	/* remember log rule
+	 * "+" in log is multiply
+	 * "-" in log is divide
+	 * "/2" is like square root
+	 * blk is vertical biased
+	 */
+	if (tiling != dm_sw_linear)
+		log2_blk_height = log2_blk256_height
+				+ dml_ceil((double) (log2_blk_bytes - 8) / 2.0);
+	else
+		log2_blk_height = 0; /* blk height of 1 */
+
+	log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
+
+	/* ------- */
+	/* meta    */
+	/* ------- */
+	log2_meta_req_bytes = 6; /* meta request is 64b and is 8x8byte meta element */
+
+	/* each 64b meta request for dcn is 8x8 meta elements and
+	 * a meta element covers one 256b block of the the data surface.
+	 */
+	log2_meta_req_height = log2_blk256_height + 3; /* meta req is 8x8 */
+	log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
+			- log2_meta_req_height;
+	log2_meta_row_height = 0;
+
+	/* the dimensions of a meta row are meta_row_width x meta_row_height in elements.
+	 * calculate upper bound of the meta_row_width
+	 */
+	if (!surf_vert)
+		log2_meta_row_height = log2_meta_req_height;
+	else
+		log2_meta_row_height = log2_meta_req_width;
+
+	*o_meta_row_height = 1 << log2_meta_row_height;
+
+	/* ------ */
+	/* dpte   */
+	/* ------ */
+	log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes);
+	dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs;
+
+	log2_vmpg_height = 0;
+	log2_vmpg_width = 0;
+	log2_dpte_req_height_ptes = 0;
+	log2_dpte_req_width_ptes = 0;
+	log2_dpte_req_height = 0;
+	log2_dpte_req_width = 0;
+	log2_dpte_row_height_linear = 0;
+	log2_dpte_row_height = 0;
+	dpte_req_width = 0; /* 64b dpte req width in data element */
+
+	if (surf_linear) {
+		log2_vmpg_height = 0; /* one line high */
+	} else {
+		log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
+	}
+	log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
+
+	/* only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4. */
+	if (log2_blk_bytes <= log2_vmpg_bytes)
+		log2_dpte_req_height_ptes = 0;
+	else if (log2_blk_height - log2_vmpg_height >= 2)
+		log2_dpte_req_height_ptes = 2;
+	else
+		log2_dpte_req_height_ptes = log2_blk_height - log2_vmpg_height;
+	log2_dpte_req_width_ptes = 3 - log2_dpte_req_height_ptes;
+
+	ASSERT((log2_dpte_req_width_ptes == 3 && log2_dpte_req_height_ptes == 0) || /* 8x1 */
+			(log2_dpte_req_width_ptes == 2 && log2_dpte_req_height_ptes == 1) || /* 4x2 */
+			(log2_dpte_req_width_ptes == 1 && log2_dpte_req_height_ptes == 2)); /* 2x4 */
+
+	/* the dpte request dimensions in data elements is dpte_req_width x dpte_req_height
+	 * log2_wmpg_width is how much 1 pte represent, now trying to calculate how much 64b pte req represent
+	 */
+	log2_dpte_req_height = log2_vmpg_height + log2_dpte_req_height_ptes;
+	log2_dpte_req_width = log2_vmpg_width + log2_dpte_req_width_ptes;
+	dpte_req_width = 1 << log2_dpte_req_width;
+
+	/* calculate pitch dpte row buffer can hold
+	 * round the result down to a power of two.
+	 */
+	if (surf_linear) {
+		log2_dpte_row_height_linear = dml_floor(
+				dml_log2(dpte_buf_in_pte_reqs * dpte_req_width / data_pitch));
+
+		ASSERT(log2_dpte_row_height_linear >= 3);
+
+		if (log2_dpte_row_height_linear > 7)
+			log2_dpte_row_height_linear = 7;
+
+		log2_dpte_row_height = log2_dpte_row_height_linear;
+	} else {
+		/* the upper bound of the dpte_row_width without dependency on viewport position follows.  */
+		if (!surf_vert) {
+			log2_dpte_row_height = log2_dpte_req_height;
+		} else {
+			log2_dpte_row_height =
+					(log2_blk_width < log2_dpte_req_width) ?
+							log2_blk_width : log2_dpte_req_width;
+		}
+	}
+
+	/* From programming guide:
+	 * There is a special case of saving only half of ptes returned due to buffer space limits.
+	 * this case applies to 4 and 8bpe in horizontal access of a vp_width greater than 2560+16
+	 * when the pte request is 2x4 ptes (which happens when vmpg_bytes =4kb and tile blk_bytes >=64kb).
+	 */
+	if (!surf_vert && vp_width > (2560 + 16) && bytes_per_element >= 4 && log2_vmpg_bytes == 12
+			&& log2_blk_bytes >= 16) {
+		log2_dpte_row_height = log2_dpte_row_height - 1; /*half of the full height */
+	}
+
+	*o_dpte_row_height = 1 << log2_dpte_row_height;
+}
+
+static void get_surf_rq_param(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_sizing_params_st *rq_sizing_param,
+		struct _vcs_dpi_display_data_rq_dlg_params_st *rq_dlg_param,
+		struct _vcs_dpi_display_data_rq_misc_params_st *rq_misc_param,
+		const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param,
+		bool is_chroma)
+{
+	bool mode_422 = 0;
+	unsigned int vp_width = 0;
+	unsigned int vp_height = 0;
+	unsigned int data_pitch = 0;
+	unsigned int meta_pitch = 0;
+	unsigned int ppe = mode_422 ? 2 : 1;
+	bool surf_linear;
+	bool surf_vert;
+	unsigned int bytes_per_element;
+	unsigned int log2_bytes_per_element;
+	unsigned int blk256_width;
+	unsigned int blk256_height;
+	unsigned int log2_blk256_width;
+	unsigned int log2_blk256_height;
+	unsigned int blk_bytes;
+	unsigned int log2_blk_bytes;
+	unsigned int log2_blk_height;
+	unsigned int log2_blk_width;
+	unsigned int log2_meta_req_bytes;
+	unsigned int log2_meta_req_height;
+	unsigned int log2_meta_req_width;
+	unsigned int meta_req_width;
+	unsigned int meta_req_height;
+	unsigned int log2_meta_row_height;
+	unsigned int meta_row_width_ub;
+	unsigned int log2_meta_chunk_bytes;
+	unsigned int log2_meta_chunk_height;
+	unsigned int log2_meta_chunk_width;
+	unsigned int log2_min_meta_chunk_bytes;
+	unsigned int min_meta_chunk_width;
+	unsigned int meta_chunk_width;
+	unsigned int meta_chunk_per_row_int;
+	unsigned int meta_row_remainder;
+	unsigned int meta_chunk_threshold;
+	unsigned int meta_blk_bytes;
+	unsigned int meta_blk_height;
+	unsigned int meta_blk_width;
+	unsigned int meta_surface_bytes;
+	unsigned int vmpg_bytes;
+	unsigned int meta_pte_req_per_frame_ub;
+	unsigned int meta_pte_bytes_per_frame_ub;
+	unsigned int log2_vmpg_bytes;
+	unsigned int dpte_buf_in_pte_reqs;
+	unsigned int log2_vmpg_height;
+	unsigned int log2_vmpg_width;
+	unsigned int log2_dpte_req_height_ptes;
+	unsigned int log2_dpte_req_width_ptes;
+	unsigned int log2_dpte_req_height;
+	unsigned int log2_dpte_req_width;
+	unsigned int log2_dpte_row_height_linear;
+	unsigned int log2_dpte_row_height;
+	unsigned int log2_dpte_group_width;
+	unsigned int dpte_row_width_ub;
+	unsigned int dpte_row_height;
+	unsigned int dpte_req_height;
+	unsigned int dpte_req_width;
+	unsigned int dpte_group_width;
+	unsigned int log2_dpte_group_bytes;
+	unsigned int log2_dpte_group_length;
+	unsigned int func_meta_row_height, func_dpte_row_height;
+
+	/* FIXME check if ppe apply for both luma and chroma in 422 case */
+	if (is_chroma) {
+		vp_width = pipe_src_param.viewport_width_c / ppe;
+		vp_height = pipe_src_param.viewport_height_c;
+		data_pitch = pipe_src_param.data_pitch_c;
+		meta_pitch = pipe_src_param.meta_pitch_c;
+	} else {
+		vp_width = pipe_src_param.viewport_width / ppe;
+		vp_height = pipe_src_param.viewport_height;
+		data_pitch = pipe_src_param.data_pitch;
+		meta_pitch = pipe_src_param.meta_pitch;
+	}
+
+	rq_sizing_param->chunk_bytes = 8192;
+
+	if (rq_sizing_param->chunk_bytes == 64 * 1024)
+		rq_sizing_param->min_chunk_bytes = 0;
+	else
+		rq_sizing_param->min_chunk_bytes = 1024;
+
+	rq_sizing_param->meta_chunk_bytes = 2048;
+	rq_sizing_param->min_meta_chunk_bytes = 256;
+
+	rq_sizing_param->mpte_group_bytes = 2048;
+
+	surf_linear = (pipe_src_param.sw_mode == dm_sw_linear);
+	surf_vert = (pipe_src_param.source_scan == dm_vert);
+
+	bytes_per_element = get_bytes_per_element(
+			(enum source_format_class) pipe_src_param.source_format,
+			is_chroma);
+	log2_bytes_per_element = dml_log2(bytes_per_element);
+	blk256_width = 0;
+	blk256_height = 0;
+
+	if (surf_linear) {
+		blk256_width = 256 / bytes_per_element;
+		blk256_height = 1;
+	} else {
+		get_blk256_size(&blk256_width, &blk256_height, bytes_per_element);
+	}
+
+	DTRACE("DLG: %s: surf_linear        = %d", __func__, surf_linear);
+	DTRACE("DLG: %s: surf_vert          = %d", __func__, surf_vert);
+	DTRACE("DLG: %s: blk256_width       = %d", __func__, blk256_width);
+	DTRACE("DLG: %s: blk256_height      = %d", __func__, blk256_height);
+
+	log2_blk256_width = dml_log2((double) blk256_width);
+	log2_blk256_height = dml_log2((double) blk256_height);
+	blk_bytes =
+			surf_linear ? 256 : get_blk_size_bytes(
+							(enum source_macro_tile_size) pipe_src_param.macro_tile_size);
+	log2_blk_bytes = dml_log2((double) blk_bytes);
+	log2_blk_height = 0;
+	log2_blk_width = 0;
+
+	/* remember log rule
+	 * "+" in log is multiply
+	 * "-" in log is divide
+	 * "/2" is like square root
+	 * blk is vertical biased
+	 */
+	if (pipe_src_param.sw_mode != dm_sw_linear)
+		log2_blk_height = log2_blk256_height
+				+ dml_ceil((double) (log2_blk_bytes - 8) / 2.0);
+	else
+		log2_blk_height = 0; /* blk height of 1 */
+
+	log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
+
+	if (!surf_vert) {
+		rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_width - 1, blk256_width, 1)
+				+ blk256_width;
+		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_width;
+	} else {
+		rq_dlg_param->swath_width_ub = dml_round_to_multiple(
+				vp_height - 1,
+				blk256_height,
+				1) + blk256_height;
+		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_height;
+	}
+
+	if (!surf_vert)
+		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height
+				* bytes_per_element;
+	else
+		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width
+				* bytes_per_element;
+
+	rq_misc_param->blk256_height = blk256_height;
+	rq_misc_param->blk256_width = blk256_width;
+
+	/* -------  */
+	/* meta     */
+	/* -------  */
+	log2_meta_req_bytes = 6; /* meta request is 64b and is 8x8byte meta element */
+
+	/* each 64b meta request for dcn is 8x8 meta elements and
+	 * a meta element covers one 256b block of the the data surface.
+	 */
+	log2_meta_req_height = log2_blk256_height + 3; /* meta req is 8x8 byte, each byte represent 1 blk256 */
+	log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
+			- log2_meta_req_height;
+	meta_req_width = 1 << log2_meta_req_width;
+	meta_req_height = 1 << log2_meta_req_height;
+	log2_meta_row_height = 0;
+	meta_row_width_ub = 0;
+
+	/* the dimensions of a meta row are meta_row_width x meta_row_height in elements.
+	 * calculate upper bound of the meta_row_width
+	 */
+	if (!surf_vert) {
+		log2_meta_row_height = log2_meta_req_height;
+		meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1)
+				+ meta_req_width;
+		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width;
+	} else {
+		log2_meta_row_height = log2_meta_req_width;
+		meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1)
+				+ meta_req_height;
+		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height;
+	}
+	rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64;
+
+	log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes);
+	log2_meta_chunk_height = log2_meta_row_height;
+
+	/*full sized meta chunk width in unit of data elements */
+	log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element
+			- log2_meta_chunk_height;
+	log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes);
+	min_meta_chunk_width = 1
+			<< (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element
+					- log2_meta_chunk_height);
+	meta_chunk_width = 1 << log2_meta_chunk_width;
+	meta_chunk_per_row_int = (unsigned int) (meta_row_width_ub / meta_chunk_width);
+	meta_row_remainder = meta_row_width_ub % meta_chunk_width;
+	meta_chunk_threshold = 0;
+	meta_blk_bytes = 4096;
+	meta_blk_height = blk256_height * 64;
+	meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height;
+	meta_surface_bytes = meta_pitch
+			* (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1)
+					+ meta_blk_height) * bytes_per_element / 256;
+	vmpg_bytes = mode_lib->soc.vmm_page_size_bytes;
+	meta_pte_req_per_frame_ub = (dml_round_to_multiple(
+			meta_surface_bytes - vmpg_bytes,
+			8 * vmpg_bytes,
+			1) + 8 * vmpg_bytes) / (8 * vmpg_bytes);
+	meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; /*64B mpte request */
+	rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub;
+
+	DTRACE("DLG: %s: meta_blk_height             = %d", __func__, meta_blk_height);
+	DTRACE("DLG: %s: meta_blk_width              = %d", __func__, meta_blk_width);
+	DTRACE("DLG: %s: meta_surface_bytes          = %d", __func__, meta_surface_bytes);
+	DTRACE("DLG: %s: meta_pte_req_per_frame_ub   = %d", __func__, meta_pte_req_per_frame_ub);
+	DTRACE("DLG: %s: meta_pte_bytes_per_frame_ub = %d", __func__, meta_pte_bytes_per_frame_ub);
+
+	if (!surf_vert)
+		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width;
+	else
+		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height;
+
+	if (meta_row_remainder <= meta_chunk_threshold)
+		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1;
+	else
+		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2;
+
+	rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
+
+	/* ------ */
+	/* dpte   */
+	/* ------ */
+	log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes);
+	dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs;
+
+	log2_vmpg_height = 0;
+	log2_vmpg_width = 0;
+	log2_dpte_req_height_ptes = 0;
+	log2_dpte_req_width_ptes = 0;
+	log2_dpte_req_height = 0;
+	log2_dpte_req_width = 0;
+	log2_dpte_row_height_linear = 0;
+	log2_dpte_row_height = 0;
+	log2_dpte_group_width = 0;
+	dpte_row_width_ub = 0;
+	dpte_row_height = 0;
+	dpte_req_height = 0; /* 64b dpte req height in data element */
+	dpte_req_width = 0; /* 64b dpte req width in data element */
+	dpte_group_width = 0;
+	log2_dpte_group_bytes = 0;
+	log2_dpte_group_length = 0;
+
+	if (surf_linear) {
+		log2_vmpg_height = 0; /* one line high */
+	} else {
+		log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
+	}
+	log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
+
+	/* only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4. */
+	if (log2_blk_bytes <= log2_vmpg_bytes)
+		log2_dpte_req_height_ptes = 0;
+	else if (log2_blk_height - log2_vmpg_height >= 2)
+		log2_dpte_req_height_ptes = 2;
+	else
+		log2_dpte_req_height_ptes = log2_blk_height - log2_vmpg_height;
+	log2_dpte_req_width_ptes = 3 - log2_dpte_req_height_ptes;
+
+	/* Ensure we only have the 3 shapes */
+	ASSERT((log2_dpte_req_width_ptes == 3 && log2_dpte_req_height_ptes == 0) || /* 8x1 */
+			(log2_dpte_req_width_ptes == 2 && log2_dpte_req_height_ptes == 1) || /* 4x2 */
+			(log2_dpte_req_width_ptes == 1 && log2_dpte_req_height_ptes == 2)); /* 2x4 */
+
+	/* The dpte request dimensions in data elements is dpte_req_width x dpte_req_height
+	 * log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent
+	 * That depends on the pte shape (i.e. 8x1, 4x2, 2x4)
+	 */
+	log2_dpte_req_height = log2_vmpg_height + log2_dpte_req_height_ptes;
+	log2_dpte_req_width = log2_vmpg_width + log2_dpte_req_width_ptes;
+	dpte_req_height = 1 << log2_dpte_req_height;
+	dpte_req_width = 1 << log2_dpte_req_width;
+
+	/* calculate pitch dpte row buffer can hold
+	 * round the result down to a power of two.
+	 */
+	if (surf_linear) {
+		log2_dpte_row_height_linear = dml_floor(
+				dml_log2(dpte_buf_in_pte_reqs * dpte_req_width / data_pitch));
+
+		ASSERT(log2_dpte_row_height_linear >= 3);
+
+		if (log2_dpte_row_height_linear > 7)
+			log2_dpte_row_height_linear = 7;
+
+		log2_dpte_row_height = log2_dpte_row_height_linear;
+		rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
+
+		/* For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary.
+		 * the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering.
+		 */
+		dpte_row_width_ub = dml_round_to_multiple(
+				data_pitch * dpte_row_height - 1,
+				dpte_req_width,
+				1) + dpte_req_width;
+		rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
+	} else {
+		/* for tiled mode, row height is the same as req height and row store up to vp size upper bound */
+		if (!surf_vert) {
+			log2_dpte_row_height = log2_dpte_req_height;
+			dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1)
+					+ dpte_req_width;
+			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
+		} else {
+			log2_dpte_row_height =
+					(log2_blk_width < log2_dpte_req_width) ?
+							log2_blk_width : log2_dpte_req_width;
+			dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1)
+					+ dpte_req_height;
+			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height;
+		}
+		rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
+	}
+	rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64;
+
+	/* From programming guide:
+	 * There is a special case of saving only half of ptes returned due to buffer space limits.
+	 * this case applies to 4 and 8bpe in horizontal access of a vp_width greater than 2560+16
+	 * when the pte request is 2x4 ptes (which happens when vmpg_bytes =4kb and tile blk_bytes >=64kb).
+	 */
+	if (!surf_vert && vp_width > (2560 + 16) && bytes_per_element >= 4 && log2_vmpg_bytes == 12
+			&& log2_blk_bytes >= 16) {
+		log2_dpte_row_height = log2_dpte_row_height - 1; /*half of the full height */
+		rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
+	}
+
+	/* the dpte_group_bytes is reduced for the specific case of vertical
+	 * access of a tile surface that has dpte request of 8x1 ptes.
+	 */
+	if (!surf_linear & (log2_dpte_req_height_ptes == 0) & surf_vert) /*reduced, in this case, will have page fault within a group */
+		rq_sizing_param->dpte_group_bytes = 512;
+	else
+		/*full size */
+		rq_sizing_param->dpte_group_bytes = 2048;
+
+	/*since pte request size is 64byte, the number of data pte requests per full sized group is as follows.  */
+	log2_dpte_group_bytes = dml_log2(rq_sizing_param->dpte_group_bytes);
+	log2_dpte_group_length = log2_dpte_group_bytes - 6; /*length in 64b requests  */
+
+	/* full sized data pte group width in elements */
+	if (!surf_vert)
+		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_width;
+	else
+		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_height;
+
+	dpte_group_width = 1 << log2_dpte_group_width;
+
+	/* since dpte groups are only aligned to dpte_req_width and not dpte_group_width,
+	 * the upper bound for the dpte groups per row is as follows.
+	 */
+	rq_dlg_param->dpte_groups_per_row_ub = dml_ceil(
+			(double) dpte_row_width_ub / dpte_group_width);
+
+	dml_rq_dlg_get_row_heights(
+			mode_lib,
+			&func_dpte_row_height,
+			&func_meta_row_height,
+			vp_width,
+			data_pitch,
+			pipe_src_param.source_format,
+			pipe_src_param.sw_mode,
+			pipe_src_param.macro_tile_size,
+			pipe_src_param.source_scan,
+			is_chroma);
+
+	/* Just a check to make sure this function and the new one give the same
+	 * result. The standalone get_row_heights() function is based off of the
+	 * code in this function so the same changes need to be made to both.
+	 */
+	if (rq_dlg_param->meta_row_height != func_meta_row_height) {
+		DTRACE(
+				"MISMATCH: rq_dlg_param->meta_row_height = %d",
+				rq_dlg_param->meta_row_height);
+		DTRACE("MISMATCH: func_meta_row_height = %d", func_meta_row_height);
+		ASSERT(0);
+	}
+
+	if (rq_dlg_param->dpte_row_height != func_dpte_row_height) {
+		DTRACE(
+				"MISMATCH: rq_dlg_param->dpte_row_height = %d",
+				rq_dlg_param->dpte_row_height);
+		DTRACE("MISMATCH: func_dpte_row_height = %d", func_dpte_row_height);
+		ASSERT(0);
+	}
+}
+
+void dml_rq_dlg_get_rq_params(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_params_st *rq_param,
+		const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param)
+{
+	/* get param for luma surface */
+	rq_param->yuv420 = pipe_src_param.source_format == dm_420_8
+			|| pipe_src_param.source_format == dm_420_10;
+	rq_param->yuv420_10bpc = pipe_src_param.source_format == dm_420_10;
+
+	get_surf_rq_param(
+			mode_lib,
+			&(rq_param->sizing.rq_l),
+			&(rq_param->dlg.rq_l),
+			&(rq_param->misc.rq_l),
+			pipe_src_param,
+			0);
+
+	if (is_dual_plane((enum source_format_class) pipe_src_param.source_format)) {
+		/* get param for chroma surface */
+		get_surf_rq_param(
+				mode_lib,
+				&(rq_param->sizing.rq_c),
+				&(rq_param->dlg.rq_c),
+				&(rq_param->misc.rq_c),
+				pipe_src_param,
+				1);
+	}
+
+	/* calculate how to split the det buffer space between luma and chroma */
+	handle_det_buf_split(mode_lib, rq_param, pipe_src_param);
+	print__rq_params_st(mode_lib, *rq_param);
+}
+
+void dml_rq_dlg_get_rq_reg(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_regs_st *rq_regs,
+		const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param)
+{
+	struct _vcs_dpi_display_rq_params_st rq_param = {0};
+
+	memset(rq_regs, 0, sizeof(*rq_regs));
+
+	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_src_param);
+	extract_rq_regs(mode_lib, rq_regs, rq_param);
+
+	print__rq_regs_st(mode_lib, *rq_regs);
+}
+
+/* TODO: Need refactor, so this is used by dml_rq_dlg_get_dlg_params as well
+ *       The problem is that there are some intermediate terms that would need by
+ *       some dlg calculation (i.e. rest of prefetch and active prog guide calculation)
+ */
+void dml_rq_dlg_get_dlg_params_prefetch(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_prefetch_param_st *prefetch_param,
+		struct _vcs_dpi_display_rq_dlg_params_st rq_dlg_param,
+		struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param,
+		struct _vcs_dpi_display_e2e_pipe_params_st e2e_pipe_param,
+		const bool cstate_en,
+		const bool pstate_en,
+		const bool vm_en)
+{
+	/* Prefetch */
+	unsigned int htotal = e2e_pipe_param.pipe.dest.htotal;
+	bool interlaced = e2e_pipe_param.pipe.dest.interlaced;
+	unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
+	const double prefetch_xy_calc_in_dcfclk = 24.0; /* FIXME: ip_param */
+	double min_dcfclk_mhz = dlg_sys_param.deepsleep_dcfclk_mhz;
+	double t_calc_us = prefetch_xy_calc_in_dcfclk / min_dcfclk_mhz;
+
+	bool dcc_en = e2e_pipe_param.pipe.src.dcc;
+	bool dual_plane = is_dual_plane(
+			(enum source_format_class) e2e_pipe_param.pipe.src.source_format);
+	unsigned int bytes_per_element_l = get_bytes_per_element(
+			(enum source_format_class) e2e_pipe_param.pipe.src.source_format,
+			0);
+	unsigned int bytes_per_element_c = get_bytes_per_element(
+			(enum source_format_class) e2e_pipe_param.pipe.src.source_format,
+			1);
+
+	double pclk_freq_in_mhz = e2e_pipe_param.pipe.dest.pixel_rate_mhz;
+	double dppclk_freq_in_mhz = e2e_pipe_param.clks_cfg.dppclk_mhz;
+	double dispclk_freq_in_mhz = e2e_pipe_param.clks_cfg.dispclk_mhz;
+
+	double line_time_in_us = (htotal / pclk_freq_in_mhz);
+	double vinit_l = e2e_pipe_param.pipe.scale_ratio_depth.vinit;
+	double vinit_c = e2e_pipe_param.pipe.scale_ratio_depth.vinit_c;
+	double vinit_bot_l = e2e_pipe_param.pipe.scale_ratio_depth.vinit_bot;
+	double vinit_bot_c = e2e_pipe_param.pipe.scale_ratio_depth.vinit_bot_c;
+
+	unsigned int swath_height_l = rq_dlg_param.rq_l.swath_height;
+	unsigned int swath_width_ub_l = rq_dlg_param.rq_l.swath_width_ub;
+	unsigned int dpte_bytes_per_row_ub_l = rq_dlg_param.rq_l.dpte_bytes_per_row_ub;
+	unsigned int meta_pte_bytes_per_frame_ub_l = rq_dlg_param.rq_l.meta_pte_bytes_per_frame_ub;
+	unsigned int meta_bytes_per_row_ub_l = rq_dlg_param.rq_l.meta_bytes_per_row_ub;
+
+	unsigned int swath_height_c = rq_dlg_param.rq_c.swath_height;
+	unsigned int swath_width_ub_c = rq_dlg_param.rq_c.swath_width_ub;
+	unsigned int dpte_bytes_per_row_ub_c = rq_dlg_param.rq_c.dpte_bytes_per_row_ub;
+	unsigned int vupdate_offset = e2e_pipe_param.pipe.dest.vupdate_offset;
+	unsigned int vupdate_width = e2e_pipe_param.pipe.dest.vupdate_width;
+	unsigned int vready_offset = e2e_pipe_param.pipe.dest.vready_offset;
+
+	const unsigned int dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
+	const unsigned int dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
+	unsigned int pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz
+			/ dppclk_freq_in_mhz
+			+ dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
+	unsigned int dst_y_after_scaler = 0;
+	unsigned int dst_x_after_scaler = 0;
+
+	unsigned int vstartup_start = e2e_pipe_param.pipe.dest.vstartup_start;
+
+	double line_wait;
+	double line_o;
+	double line_setup;
+	double line_calc;
+	double dst_y_prefetch;
+	double t_pre_us;
+	int unsigned vm_bytes;
+	int unsigned meta_row_bytes;
+	int unsigned max_num_sw_l;
+	int unsigned max_num_sw_c;
+	int unsigned max_partial_sw_l;
+	int unsigned max_partial_sw_c;
+
+	double max_vinit_l;
+	double max_vinit_c;
+	int unsigned lsw_l;
+	int unsigned lsw_c;
+	int unsigned sw_bytes_ub_l;
+	int unsigned sw_bytes_ub_c;
+	int unsigned sw_bytes;
+	int unsigned dpte_row_bytes;
+
+	if (interlaced)
+		vstartup_start = vstartup_start / 2;
+
+	if (vstartup_start >= min_vblank) {
+		min_vblank = vstartup_start + 1;
+		DTRACE(
+				"WARNING_DLG: %s:  vstartup_start=%d should be less than min_vblank=%d",
+				__func__,
+				vstartup_start,
+				min_vblank);
+	}
+
+	if (e2e_pipe_param.pipe.src.is_hsplit)
+		dst_x_after_scaler = pixel_rate_delay_subtotal
+				+ e2e_pipe_param.pipe.dest.recout_width;
+	else
+		dst_x_after_scaler = pixel_rate_delay_subtotal;
+
+	if (e2e_pipe_param.dout.output_format == dm_420)
+		dst_y_after_scaler = 1;
+	else
+		dst_y_after_scaler = 0;
+
+	if (dst_x_after_scaler >= htotal) {
+		dst_x_after_scaler = dst_x_after_scaler - htotal;
+		dst_y_after_scaler = dst_y_after_scaler + 1;
+	}
+
+	DTRACE("DLG: %s: htotal                                 = %d", __func__, htotal);
+	DTRACE(
+			"DLG: %s: pixel_rate_delay_subtotal              = %d",
+			__func__,
+			pixel_rate_delay_subtotal);
+	DTRACE("DLG: %s: dst_x_after_scaler                     = %d", __func__, dst_x_after_scaler);
+	DTRACE("DLG: %s: dst_y_after_scaler                     = %d", __func__, dst_y_after_scaler);
+
+	line_wait = mode_lib->soc.urgent_latency_us;
+	if (cstate_en)
+		line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
+	if (pstate_en)
+		line_wait = dml_max(
+				mode_lib->soc.dram_clock_change_latency_us
+						+ mode_lib->soc.urgent_latency_us,
+				line_wait);
+	line_wait = line_wait / line_time_in_us;
+
+	line_o = (double) dst_y_after_scaler + dst_x_after_scaler / (double) htotal;
+	line_setup = (double) (vupdate_offset + vupdate_width + vready_offset) / (double) htotal;
+	line_calc = t_calc_us / line_time_in_us;
+
+	DTRACE(
+			"DLG: %s: soc.sr_enter_plus_exit_time_us     = %3.2f",
+			__func__,
+			(double) mode_lib->soc.sr_enter_plus_exit_time_us);
+	DTRACE(
+			"DLG: %s: soc.dram_clock_change_latency_us   = %3.2f",
+			__func__,
+			(double) mode_lib->soc.dram_clock_change_latency_us);
+
+	DTRACE("DLG: %s: urgent_latency_us  = %3.2f", __func__, mode_lib->soc.urgent_latency_us);
+	DTRACE(
+			"DLG: %s: t_srx_delay_us     = %3.2f",
+			__func__,
+			(double) dlg_sys_param.t_srx_delay_us);
+	DTRACE("DLG: %s: line_time_in_us    = %3.2f", __func__, (double) line_time_in_us);
+	DTRACE("DLG: %s: vupdate_offset     = %d", __func__, vupdate_offset);
+	DTRACE("DLG: %s: vupdate_width      = %d", __func__, vupdate_width);
+	DTRACE("DLG: %s: vready_offset      = %d", __func__, vready_offset);
+	DTRACE("DLG: %s: line_wait          = %3.2f", __func__, line_wait);
+	DTRACE("DLG: %s: line_o             = %3.2f", __func__, line_o);
+	DTRACE("DLG: %s: line_setup         = %3.2f", __func__, line_setup);
+	DTRACE("DLG: %s: line_calc          = %3.2f", __func__, line_calc);
+
+	dst_y_prefetch = ((double) min_vblank - 1.0)
+			- (line_setup + line_calc + line_wait + line_o);
+	DTRACE("DLG: %s: dst_y_prefetch (before rnd) = %3.2f", __func__, dst_y_prefetch);
+	ASSERT(dst_y_prefetch >= 2.0);
+
+	dst_y_prefetch = dml_floor(4.0 * (dst_y_prefetch + 0.125)) / 4;
+	DTRACE("DLG: %s: dst_y_prefetch (after rnd) = %3.2f", __func__, dst_y_prefetch);
+
+	t_pre_us = dst_y_prefetch * line_time_in_us;
+	vm_bytes = 0;
+	meta_row_bytes = 0;
+
+	if (dcc_en && vm_en)
+		vm_bytes = meta_pte_bytes_per_frame_ub_l;
+	if (dcc_en)
+		meta_row_bytes = meta_bytes_per_row_ub_l;
+
+	max_num_sw_l = 0;
+	max_num_sw_c = 0;
+	max_partial_sw_l = 0;
+	max_partial_sw_c = 0;
+
+	max_vinit_l = interlaced ? dml_max(vinit_l, vinit_bot_l) : vinit_l;
+	max_vinit_c = interlaced ? dml_max(vinit_c, vinit_bot_c) : vinit_c;
+
+	get_swath_need(mode_lib, &max_num_sw_l, &max_partial_sw_l, swath_height_l, max_vinit_l);
+	if (dual_plane)
+		get_swath_need(
+				mode_lib,
+				&max_num_sw_c,
+				&max_partial_sw_c,
+				swath_height_c,
+				max_vinit_c);
+
+	lsw_l = max_num_sw_l * swath_height_l + max_partial_sw_l;
+	lsw_c = max_num_sw_c * swath_height_c + max_partial_sw_c;
+	sw_bytes_ub_l = lsw_l * swath_width_ub_l * bytes_per_element_l;
+	sw_bytes_ub_c = lsw_c * swath_width_ub_c * bytes_per_element_c;
+	sw_bytes = 0;
+	dpte_row_bytes = 0;
+
+	if (vm_en) {
+		if (dual_plane)
+			dpte_row_bytes = dpte_bytes_per_row_ub_l + dpte_bytes_per_row_ub_c;
+		else
+			dpte_row_bytes = dpte_bytes_per_row_ub_l;
+	} else {
+		dpte_row_bytes = 0;
+	}
+
+	if (dual_plane)
+		sw_bytes = sw_bytes_ub_l + sw_bytes_ub_c;
+	else
+		sw_bytes = sw_bytes_ub_l;
+
+	DTRACE("DLG: %s: sw_bytes_ub_l           = %d", __func__, sw_bytes_ub_l);
+	DTRACE("DLG: %s: sw_bytes_ub_c           = %d", __func__, sw_bytes_ub_c);
+	DTRACE("DLG: %s: sw_bytes                = %d", __func__, sw_bytes);
+	DTRACE("DLG: %s: vm_bytes                = %d", __func__, vm_bytes);
+	DTRACE("DLG: %s: meta_row_bytes          = %d", __func__, meta_row_bytes);
+	DTRACE("DLG: %s: dpte_row_bytes          = %d", __func__, dpte_row_bytes);
+
+	prefetch_param->prefetch_bw =
+			(vm_bytes + 2 * dpte_row_bytes + 2 * meta_row_bytes + sw_bytes) / t_pre_us;
+	prefetch_param->flip_bytes = (vm_bytes + dpte_row_bytes + meta_row_bytes);
+}
+
+/* Note: currently taken in as is.
+ * Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
+ */
+void dml_rq_dlg_get_dlg_params(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_regs_st *disp_dlg_regs,
+		struct _vcs_dpi_display_ttu_regs_st *disp_ttu_regs,
+		const struct _vcs_dpi_display_rq_dlg_params_st rq_dlg_param,
+		const struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param,
+		const struct _vcs_dpi_display_e2e_pipe_params_st e2e_pipe_param,
+		const bool cstate_en,
+		const bool pstate_en,
+		const bool vm_en,
+		const bool iflip_en)
+{
+	/* Timing */
+	unsigned int htotal = e2e_pipe_param.pipe.dest.htotal;
+	unsigned int hblank_end = e2e_pipe_param.pipe.dest.hblank_end;
+	unsigned int vblank_start = e2e_pipe_param.pipe.dest.vblank_start;
+	unsigned int vblank_end = e2e_pipe_param.pipe.dest.vblank_end;
+	bool interlaced = e2e_pipe_param.pipe.dest.interlaced;
+	unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
+
+	double pclk_freq_in_mhz = e2e_pipe_param.pipe.dest.pixel_rate_mhz;
+	double refclk_freq_in_mhz = e2e_pipe_param.clks_cfg.refclk_mhz;
+	double dppclk_freq_in_mhz = e2e_pipe_param.clks_cfg.dppclk_mhz;
+	double dispclk_freq_in_mhz = e2e_pipe_param.clks_cfg.dispclk_mhz;
+
+	double ref_freq_to_pix_freq;
+	double prefetch_xy_calc_in_dcfclk;
+	double min_dcfclk_mhz;
+	double t_calc_us;
+	double min_ttu_vblank;
+	double min_dst_y_ttu_vblank;
+	int unsigned dlg_vblank_start;
+	bool dcc_en;
+	bool dual_plane;
+	bool mode_422;
+	unsigned int access_dir;
+	unsigned int bytes_per_element_l;
+	unsigned int bytes_per_element_c;
+	unsigned int vp_height_l;
+	unsigned int vp_width_l;
+	unsigned int vp_height_c;
+	unsigned int vp_width_c;
+	unsigned int htaps_l;
+	unsigned int htaps_c;
+	double hratios_l;
+	double hratios_c;
+	double vratio_l;
+	double vratio_c;
+	double line_time_in_us;
+	double vinit_l;
+	double vinit_c;
+	double vinit_bot_l;
+	double vinit_bot_c;
+	unsigned int swath_height_l;
+	unsigned int swath_width_ub_l;
+	unsigned int dpte_bytes_per_row_ub_l;
+	unsigned int dpte_groups_per_row_ub_l;
+	unsigned int meta_pte_bytes_per_frame_ub_l;
+	unsigned int meta_bytes_per_row_ub_l;
+	unsigned int swath_height_c;
+	unsigned int swath_width_ub_c;
+	unsigned int dpte_bytes_per_row_ub_c;
+	unsigned int dpte_groups_per_row_ub_c;
+	unsigned int meta_chunks_per_row_ub_l;
+	unsigned int vupdate_offset;
+	unsigned int vupdate_width;
+	unsigned int vready_offset;
+	unsigned int dppclk_delay_subtotal;
+	unsigned int dispclk_delay_subtotal;
+	unsigned int pixel_rate_delay_subtotal;
+	unsigned int vstartup_start;
+	unsigned int dst_x_after_scaler;
+	unsigned int dst_y_after_scaler;
+	double line_wait;
+	double line_o;
+	double line_setup;
+	double line_calc;
+	double dst_y_prefetch;
+	double t_pre_us;
+	int unsigned vm_bytes;
+	int unsigned meta_row_bytes;
+	int unsigned max_num_sw_l;
+	int unsigned max_num_sw_c;
+	int unsigned max_partial_sw_l;
+	int unsigned max_partial_sw_c;
+	double max_vinit_l;
+	double max_vinit_c;
+	int unsigned lsw_l;
+	int unsigned lsw_c;
+	int unsigned sw_bytes_ub_l;
+	int unsigned sw_bytes_ub_c;
+	int unsigned sw_bytes;
+	int unsigned dpte_row_bytes;
+	double prefetch_bw;
+	double flip_bw;
+	double t_vm_us;
+	double t_r0_us;
+	double dst_y_per_vm_vblank;
+	double dst_y_per_row_vblank;
+	double min_dst_y_per_vm_vblank;
+	double min_dst_y_per_row_vblank;
+	double lsw;
+	double vratio_pre_l;
+	double vratio_pre_c;
+	unsigned int req_per_swath_ub_l;
+	unsigned int req_per_swath_ub_c;
+	unsigned int meta_row_height_l;
+	unsigned int swath_width_pixels_ub_l;
+	unsigned int swath_width_pixels_ub_c;
+	unsigned int scaler_rec_in_width_l;
+	unsigned int scaler_rec_in_width_c;
+	unsigned int dpte_row_height_l;
+	unsigned int dpte_row_height_c;
+	double hscale_pixel_rate_l;
+	double hscale_pixel_rate_c;
+	double min_hratio_fact_l;
+	double min_hratio_fact_c;
+	double refcyc_per_line_delivery_pre_l;
+	double refcyc_per_line_delivery_pre_c;
+	double refcyc_per_line_delivery_l;
+	double refcyc_per_line_delivery_c;
+	double refcyc_per_req_delivery_pre_l;
+	double refcyc_per_req_delivery_pre_c;
+	double refcyc_per_req_delivery_l;
+	double refcyc_per_req_delivery_c;
+	double refcyc_per_req_delivery_pre_cur0;
+	double refcyc_per_req_delivery_cur0;
+	int unsigned full_recout_width;
+	double hratios_cur0;
+	unsigned int cur0_src_width;
+	enum cursor_bpp cur0_bpp;
+	unsigned int cur0_req_size;
+	unsigned int cur0_req_width;
+	double cur0_width_ub;
+	double cur0_req_per_width;
+	double hactive_cur0;
+
+	memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs));
+	memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs));
+
+	DTRACE("DLG: %s: cstate_en = %d", __func__, cstate_en);
+	DTRACE("DLG: %s: pstate_en = %d", __func__, pstate_en);
+	DTRACE("DLG: %s: vm_en     = %d", __func__, vm_en);
+	DTRACE("DLG: %s: iflip_en  = %d", __func__, iflip_en);
+
+	/* ------------------------- */
+	/* Section 1.5.2.1: OTG dependent Params */
+	/* ------------------------- */
+	DTRACE("DLG: %s: dppclk_freq_in_mhz     = %3.2f", __func__, dppclk_freq_in_mhz);
+	DTRACE("DLG: %s: dispclk_freq_in_mhz    = %3.2f", __func__, dispclk_freq_in_mhz);
+	DTRACE("DLG: %s: refclk_freq_in_mhz     = %3.2f", __func__, refclk_freq_in_mhz);
+	DTRACE("DLG: %s: pclk_freq_in_mhz       = %3.2f", __func__, pclk_freq_in_mhz);
+	DTRACE("DLG: %s: interlaced             = %d", __func__, interlaced);
+
+	ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
+	ASSERT(ref_freq_to_pix_freq < 4.0);
+	disp_dlg_regs->ref_freq_to_pix_freq =
+			(unsigned int) (ref_freq_to_pix_freq * dml_pow(2, 19));
+	disp_dlg_regs->refcyc_per_htotal = (unsigned int) (ref_freq_to_pix_freq * (double) htotal
+			* dml_pow(2, 8));
+	disp_dlg_regs->refcyc_h_blank_end = (unsigned int) ((double) hblank_end
+			* (double) ref_freq_to_pix_freq);
+	ASSERT(disp_dlg_regs->refcyc_h_blank_end < (unsigned int) dml_pow(2, 13));
+	disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; /* 15 bits */
+
+	prefetch_xy_calc_in_dcfclk = 24.0; /* FIXME: ip_param */
+	min_dcfclk_mhz = dlg_sys_param.deepsleep_dcfclk_mhz;
+	t_calc_us = prefetch_xy_calc_in_dcfclk / min_dcfclk_mhz;
+	min_ttu_vblank = dlg_sys_param.t_urg_wm_us;
+	if (cstate_en)
+		min_ttu_vblank = dml_max(dlg_sys_param.t_sr_wm_us, min_ttu_vblank);
+	if (pstate_en)
+		min_ttu_vblank = dml_max(dlg_sys_param.t_mclk_wm_us, min_ttu_vblank);
+	min_ttu_vblank = min_ttu_vblank + t_calc_us;
+
+	min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double) htotal;
+	dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start;
+
+	disp_dlg_regs->min_dst_y_next_start = (unsigned int) (((double) dlg_vblank_start
+			+ min_dst_y_ttu_vblank) * dml_pow(2, 2));
+	ASSERT(disp_dlg_regs->min_dst_y_next_start < (unsigned int) dml_pow(2, 18));
+
+	DTRACE("DLG: %s: min_dcfclk_mhz                         = %3.2f", __func__, min_dcfclk_mhz);
+	DTRACE("DLG: %s: min_ttu_vblank                         = %3.2f", __func__, min_ttu_vblank);
+	DTRACE(
+			"DLG: %s: min_dst_y_ttu_vblank                   = %3.2f",
+			__func__,
+			min_dst_y_ttu_vblank);
+	DTRACE("DLG: %s: t_calc_us                              = %3.2f", __func__, t_calc_us);
+	DTRACE(
+			"DLG: %s: disp_dlg_regs->min_dst_y_next_start    = 0x%0x",
+			__func__,
+			disp_dlg_regs->min_dst_y_next_start);
+	DTRACE(
+			"DLG: %s: ref_freq_to_pix_freq                   = %3.2f",
+			__func__,
+			ref_freq_to_pix_freq);
+
+	/* ------------------------- */
+	/* Section 1.5.2.2: Prefetch, Active and TTU  */
+	/* ------------------------- */
+	/* Prefetch Calc */
+	/* Source */
+	dcc_en = e2e_pipe_param.pipe.src.dcc;
+	dual_plane = is_dual_plane(
+			(enum source_format_class) e2e_pipe_param.pipe.src.source_format);
+	mode_422 = 0; /* FIXME */
+	access_dir = (e2e_pipe_param.pipe.src.source_scan == dm_vert); /* vp access direction: horizontal or vertical accessed */
+	bytes_per_element_l = get_bytes_per_element(
+			(enum source_format_class) e2e_pipe_param.pipe.src.source_format,
+			0);
+	bytes_per_element_c = get_bytes_per_element(
+			(enum source_format_class) e2e_pipe_param.pipe.src.source_format,
+			1);
+	vp_height_l = e2e_pipe_param.pipe.src.viewport_height;
+	vp_width_l = e2e_pipe_param.pipe.src.viewport_width;
+	vp_height_c = e2e_pipe_param.pipe.src.viewport_height_c;
+	vp_width_c = e2e_pipe_param.pipe.src.viewport_width_c;
+
+	/* Scaling */
+	htaps_l = e2e_pipe_param.pipe.scale_taps.htaps;
+	htaps_c = e2e_pipe_param.pipe.scale_taps.htaps_c;
+	hratios_l = e2e_pipe_param.pipe.scale_ratio_depth.hscl_ratio;
+	hratios_c = e2e_pipe_param.pipe.scale_ratio_depth.hscl_ratio_c;
+	vratio_l = e2e_pipe_param.pipe.scale_ratio_depth.vscl_ratio;
+	vratio_c = e2e_pipe_param.pipe.scale_ratio_depth.vscl_ratio_c;
+
+	line_time_in_us = (htotal / pclk_freq_in_mhz);
+	vinit_l = e2e_pipe_param.pipe.scale_ratio_depth.vinit;
+	vinit_c = e2e_pipe_param.pipe.scale_ratio_depth.vinit_c;
+	vinit_bot_l = e2e_pipe_param.pipe.scale_ratio_depth.vinit_bot;
+	vinit_bot_c = e2e_pipe_param.pipe.scale_ratio_depth.vinit_bot_c;
+
+	swath_height_l = rq_dlg_param.rq_l.swath_height;
+	swath_width_ub_l = rq_dlg_param.rq_l.swath_width_ub;
+	dpte_bytes_per_row_ub_l = rq_dlg_param.rq_l.dpte_bytes_per_row_ub;
+	dpte_groups_per_row_ub_l = rq_dlg_param.rq_l.dpte_groups_per_row_ub;
+	meta_pte_bytes_per_frame_ub_l = rq_dlg_param.rq_l.meta_pte_bytes_per_frame_ub;
+	meta_bytes_per_row_ub_l = rq_dlg_param.rq_l.meta_bytes_per_row_ub;
+
+	swath_height_c = rq_dlg_param.rq_c.swath_height;
+	swath_width_ub_c = rq_dlg_param.rq_c.swath_width_ub;
+	dpte_bytes_per_row_ub_c = rq_dlg_param.rq_c.dpte_bytes_per_row_ub;
+	dpte_groups_per_row_ub_c = rq_dlg_param.rq_c.dpte_groups_per_row_ub;
+
+	meta_chunks_per_row_ub_l = rq_dlg_param.rq_l.meta_chunks_per_row_ub;
+	vupdate_offset = e2e_pipe_param.pipe.dest.vupdate_offset;
+	vupdate_width = e2e_pipe_param.pipe.dest.vupdate_width;
+	vready_offset = e2e_pipe_param.pipe.dest.vready_offset;
+
+	dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
+	dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
+	pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz
+			+ dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
+
+	vstartup_start = e2e_pipe_param.pipe.dest.vstartup_start;
+
+	if (interlaced)
+		vstartup_start = vstartup_start / 2;
+
+	if (vstartup_start >= min_vblank) {
+		DTRACE(
+				"WARNING_DLG: %s:  vblank_start=%d vblank_end=%d",
+				__func__,
+				vblank_start,
+				vblank_end);
+		DTRACE(
+				"WARNING_DLG: %s:  vstartup_start=%d should be less than min_vblank=%d",
+				__func__,
+				vstartup_start,
+				min_vblank);
+		min_vblank = vstartup_start + 1;
+		DTRACE(
+				"WARNING_DLG: %s:  vstartup_start=%d should be less than min_vblank=%d",
+				__func__,
+				vstartup_start,
+				min_vblank);
+	}
+
+	dst_x_after_scaler = 0;
+	dst_y_after_scaler = 0;
+
+	if (e2e_pipe_param.pipe.src.is_hsplit)
+		dst_x_after_scaler = pixel_rate_delay_subtotal
+				+ e2e_pipe_param.pipe.dest.recout_width;
+	else
+		dst_x_after_scaler = pixel_rate_delay_subtotal;
+
+	if (e2e_pipe_param.dout.output_format == dm_420)
+		dst_y_after_scaler = 1;
+	else
+		dst_y_after_scaler = 0;
+
+	if (dst_x_after_scaler >= htotal) {
+		dst_x_after_scaler = dst_x_after_scaler - htotal;
+		dst_y_after_scaler = dst_y_after_scaler + 1;
+	}
+
+	DTRACE("DLG: %s: htotal                                 = %d", __func__, htotal);
+	DTRACE(
+			"DLG: %s: pixel_rate_delay_subtotal              = %d",
+			__func__,
+			pixel_rate_delay_subtotal);
+	DTRACE("DLG: %s: dst_x_after_scaler                     = %d", __func__, dst_x_after_scaler);
+	DTRACE("DLG: %s: dst_y_after_scaler                     = %d", __func__, dst_y_after_scaler);
+
+	line_wait = mode_lib->soc.urgent_latency_us;
+	if (cstate_en)
+		line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
+	if (pstate_en)
+		line_wait = dml_max(
+				mode_lib->soc.dram_clock_change_latency_us
+						+ mode_lib->soc.urgent_latency_us,
+				line_wait);
+	line_wait = line_wait / line_time_in_us;
+
+	line_o = (double) dst_y_after_scaler + dst_x_after_scaler / (double) htotal;
+	line_setup = (double) (vupdate_offset + vupdate_width + vready_offset) / (double) htotal;
+	line_calc = t_calc_us / line_time_in_us;
+
+	DTRACE(
+			"DLG: %s: soc.sr_enter_plus_exit_time_us     = %3.2f",
+			__func__,
+			(double) mode_lib->soc.sr_enter_plus_exit_time_us);
+	DTRACE(
+			"DLG: %s: soc.dram_clock_change_latency_us   = %3.2f",
+			__func__,
+			(double) mode_lib->soc.dram_clock_change_latency_us);
+	DTRACE(
+			"DLG: %s: soc.urgent_latency_us              = %3.2f",
+			__func__,
+			mode_lib->soc.urgent_latency_us);
+
+	DTRACE("DLG: %s: swath_height_l     = %d", __func__, swath_height_l);
+	if (dual_plane)
+		DTRACE("DLG: %s: swath_height_c     = %d", __func__, swath_height_c);
+
+	DTRACE(
+			"DLG: %s: t_srx_delay_us     = %3.2f",
+			__func__,
+			(double) dlg_sys_param.t_srx_delay_us);
+	DTRACE("DLG: %s: line_time_in_us    = %3.2f", __func__, (double) line_time_in_us);
+	DTRACE("DLG: %s: vupdate_offset     = %d", __func__, vupdate_offset);
+	DTRACE("DLG: %s: vupdate_width      = %d", __func__, vupdate_width);
+	DTRACE("DLG: %s: vready_offset      = %d", __func__, vready_offset);
+	DTRACE("DLG: %s: line_time_in_us    = %3.2f", __func__, line_time_in_us);
+	DTRACE("DLG: %s: line_wait          = %3.2f", __func__, line_wait);
+	DTRACE("DLG: %s: line_o             = %3.2f", __func__, line_o);
+	DTRACE("DLG: %s: line_setup         = %3.2f", __func__, line_setup);
+	DTRACE("DLG: %s: line_calc          = %3.2f", __func__, line_calc);
+
+	dst_y_prefetch = ((double) min_vblank - 1.0)
+			- (line_setup + line_calc + line_wait + line_o);
+	DTRACE("DLG: %s: dst_y_prefetch (before rnd) = %3.2f", __func__, dst_y_prefetch);
+	ASSERT(dst_y_prefetch >= 2.0);
+
+	dst_y_prefetch = dml_floor(4.0 * (dst_y_prefetch + 0.125)) / 4;
+	DTRACE("DLG: %s: dst_y_prefetch (after rnd) = %3.2f", __func__, dst_y_prefetch);
+
+	t_pre_us = dst_y_prefetch * line_time_in_us;
+	vm_bytes = 0;
+	meta_row_bytes = 0;
+
+	if (dcc_en && vm_en)
+		vm_bytes = meta_pte_bytes_per_frame_ub_l;
+	if (dcc_en)
+		meta_row_bytes = meta_bytes_per_row_ub_l;
+
+	max_num_sw_l = 0;
+	max_num_sw_c = 0;
+	max_partial_sw_l = 0;
+	max_partial_sw_c = 0;
+
+	max_vinit_l = interlaced ? dml_max(vinit_l, vinit_bot_l) : vinit_l;
+	max_vinit_c = interlaced ? dml_max(vinit_c, vinit_bot_c) : vinit_c;
+
+	get_swath_need(mode_lib, &max_num_sw_l, &max_partial_sw_l, swath_height_l, max_vinit_l);
+	if (dual_plane)
+		get_swath_need(
+				mode_lib,
+				&max_num_sw_c,
+				&max_partial_sw_c,
+				swath_height_c,
+				max_vinit_c);
+
+	lsw_l = max_num_sw_l * swath_height_l + max_partial_sw_l;
+	lsw_c = max_num_sw_c * swath_height_c + max_partial_sw_c;
+	sw_bytes_ub_l = lsw_l * swath_width_ub_l * bytes_per_element_l;
+	sw_bytes_ub_c = lsw_c * swath_width_ub_c * bytes_per_element_c;
+	sw_bytes = 0;
+	dpte_row_bytes = 0;
+
+	if (vm_en) {
+		if (dual_plane)
+			dpte_row_bytes = dpte_bytes_per_row_ub_l + dpte_bytes_per_row_ub_c;
+		else
+			dpte_row_bytes = dpte_bytes_per_row_ub_l;
+	} else {
+		dpte_row_bytes = 0;
+	}
+
+	if (dual_plane)
+		sw_bytes = sw_bytes_ub_l + sw_bytes_ub_c;
+	else
+		sw_bytes = sw_bytes_ub_l;
+
+	DTRACE("DLG: %s: sw_bytes_ub_l           = %d", __func__, sw_bytes_ub_l);
+	DTRACE("DLG: %s: sw_bytes_ub_c           = %d", __func__, sw_bytes_ub_c);
+	DTRACE("DLG: %s: sw_bytes                = %d", __func__, sw_bytes);
+	DTRACE("DLG: %s: vm_bytes                = %d", __func__, vm_bytes);
+	DTRACE("DLG: %s: meta_row_bytes          = %d", __func__, meta_row_bytes);
+	DTRACE("DLG: %s: dpte_row_bytes          = %d", __func__, dpte_row_bytes);
+
+	prefetch_bw = (vm_bytes + 2 * dpte_row_bytes + 2 * meta_row_bytes + sw_bytes) / t_pre_us;
+	flip_bw = ((vm_bytes + dpte_row_bytes + meta_row_bytes) * dlg_sys_param.total_flip_bw)
+			/ (double) dlg_sys_param.total_flip_bytes;
+	t_vm_us = line_time_in_us / 4.0;
+	if (vm_en && dcc_en) {
+		t_vm_us = dml_max(
+				dlg_sys_param.t_extra_us,
+				dml_max((double) vm_bytes / prefetch_bw, t_vm_us));
+
+		if (iflip_en && !dual_plane) {
+			t_vm_us = dml_max(mode_lib->soc.urgent_latency_us, t_vm_us);
+			if (flip_bw > 0.)
+				t_vm_us = dml_max(vm_bytes / flip_bw, t_vm_us);
+		}
+	}
+
+	t_r0_us = dml_max(dlg_sys_param.t_extra_us - t_vm_us, line_time_in_us - t_vm_us);
+
+	if (vm_en || dcc_en) {
+		t_r0_us = dml_max(
+				(double) (dpte_row_bytes + meta_row_bytes) / prefetch_bw,
+				dlg_sys_param.t_extra_us);
+		t_r0_us = dml_max((double) (line_time_in_us - t_vm_us), t_r0_us);
+
+		if (iflip_en && !dual_plane) {
+			t_r0_us = dml_max(mode_lib->soc.urgent_latency_us * 2.0, t_r0_us);
+			if (flip_bw > 0.)
+				t_r0_us = dml_max(
+						(dpte_row_bytes + meta_row_bytes) / flip_bw,
+						t_r0_us);
+		}
+	}
+
+	disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; /* in terms of line */
+	disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; /* in terms of refclk */
+	ASSERT(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int) dml_pow(2, 13));
+	DTRACE(
+			"DLG: %s: disp_dlg_regs->dst_y_after_scaler      = 0x%0x",
+			__func__,
+			disp_dlg_regs->dst_y_after_scaler);
+	DTRACE(
+			"DLG: %s: disp_dlg_regs->refcyc_x_after_scaler   = 0x%0x",
+			__func__,
+			disp_dlg_regs->refcyc_x_after_scaler);
+
+	disp_dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2));
+	DTRACE(
+			"DLG: %s: disp_dlg_regs->dst_y_prefetch  = %d",
+			__func__,
+			disp_dlg_regs->dst_y_prefetch);
+
+	dst_y_per_vm_vblank = 0.0;
+	dst_y_per_row_vblank = 0.0;
+
+	dst_y_per_vm_vblank = t_vm_us / line_time_in_us;
+	dst_y_per_vm_vblank = dml_floor(4.0 * (dst_y_per_vm_vblank + 0.125)) / 4.0;
+	disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2));
+
+	dst_y_per_row_vblank = t_r0_us / line_time_in_us;
+	dst_y_per_row_vblank = dml_floor(4.0 * (dst_y_per_row_vblank + 0.125)) / 4.0;
+	disp_dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2));
+
+	DTRACE("DLG: %s: lsw_l                   = %d", __func__, lsw_l);
+	DTRACE("DLG: %s: lsw_c                   = %d", __func__, lsw_c);
+	DTRACE("DLG: %s: dpte_bytes_per_row_ub_l = %d", __func__, dpte_bytes_per_row_ub_l);
+	DTRACE("DLG: %s: dpte_bytes_per_row_ub_c = %d", __func__, dpte_bytes_per_row_ub_c);
+
+	DTRACE("DLG: %s: prefetch_bw            = %3.2f", __func__, prefetch_bw);
+	DTRACE("DLG: %s: flip_bw                = %3.2f", __func__, flip_bw);
+	DTRACE("DLG: %s: t_pre_us               = %3.2f", __func__, t_pre_us);
+	DTRACE("DLG: %s: t_vm_us                = %3.2f", __func__, t_vm_us);
+	DTRACE("DLG: %s: t_r0_us                = %3.2f", __func__, t_r0_us);
+	DTRACE("DLG: %s: dst_y_per_vm_vblank    = %3.2f", __func__, dst_y_per_vm_vblank);
+	DTRACE("DLG: %s: dst_y_per_row_vblank   = %3.2f", __func__, dst_y_per_row_vblank);
+	DTRACE("DLG: %s: dst_y_prefetch         = %3.2f", __func__, dst_y_prefetch);
+
+	min_dst_y_per_vm_vblank = 8.0;
+	min_dst_y_per_row_vblank = 16.0;
+	if (htotal <= 75) {
+		min_vblank = 300;
+		min_dst_y_per_vm_vblank = 100.0;
+		min_dst_y_per_row_vblank = 100.0;
+	}
+
+	ASSERT(dst_y_per_vm_vblank < min_dst_y_per_vm_vblank);
+	ASSERT(dst_y_per_row_vblank < min_dst_y_per_row_vblank);
+
+	ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank));
+	lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank);
+
+	DTRACE("DLG: %s: lsw = %3.2f", __func__, lsw);
+
+	vratio_pre_l = get_vratio_pre(
+			mode_lib,
+			max_num_sw_l,
+			max_partial_sw_l,
+			swath_height_l,
+			max_vinit_l,
+			lsw);
+	vratio_pre_c = 1.0;
+	if (dual_plane)
+		vratio_pre_c = get_vratio_pre(
+				mode_lib,
+				max_num_sw_c,
+				max_partial_sw_c,
+				swath_height_c,
+				max_vinit_c,
+				lsw);
+
+	DTRACE("DLG: %s: vratio_pre_l=%3.2f", __func__, vratio_pre_l);
+	DTRACE("DLG: %s: vratio_pre_c=%3.2f", __func__, vratio_pre_c);
+
+	ASSERT(vratio_pre_l <= 4.0);
+	if (vratio_pre_l >= 4.0)
+		disp_dlg_regs->vratio_prefetch = (unsigned int) dml_pow(2, 21) - 1;
+	else
+		disp_dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19));
+
+	ASSERT(vratio_pre_c <= 4.0);
+	if (vratio_pre_c >= 4.0)
+		disp_dlg_regs->vratio_prefetch_c = (unsigned int) dml_pow(2, 21) - 1;
+	else
+		disp_dlg_regs->vratio_prefetch_c = (unsigned int) (vratio_pre_c * dml_pow(2, 19));
+
+	disp_dlg_regs->refcyc_per_pte_group_vblank_l =
+			(unsigned int) (dst_y_per_row_vblank * (double) htotal
+					* ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_l);
+	ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int) dml_pow(2, 13));
+
+	disp_dlg_regs->refcyc_per_pte_group_vblank_c =
+			(unsigned int) (dst_y_per_row_vblank * (double) htotal
+					* ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_c);
+	ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c < (unsigned int) dml_pow(2, 13));
+
+	disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
+			(unsigned int) (dst_y_per_row_vblank * (double) htotal
+					* ref_freq_to_pix_freq / (double) meta_chunks_per_row_ub_l);
+	ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int) dml_pow(2, 13));
+
+	disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
+			disp_dlg_regs->refcyc_per_meta_chunk_vblank_l;/* dcc for 4:2:0 is not supported in dcn1.0.  assigned to be the same as _l for now */
+
+	/* Active */
+	req_per_swath_ub_l = rq_dlg_param.rq_l.req_per_swath_ub;
+	req_per_swath_ub_c = rq_dlg_param.rq_c.req_per_swath_ub;
+	meta_row_height_l = rq_dlg_param.rq_l.meta_row_height;
+	swath_width_pixels_ub_l = 0;
+	swath_width_pixels_ub_c = 0;
+	scaler_rec_in_width_l = 0;
+	scaler_rec_in_width_c = 0;
+	dpte_row_height_l = rq_dlg_param.rq_l.dpte_row_height;
+	dpte_row_height_c = rq_dlg_param.rq_c.dpte_row_height;
+
+	disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int) ((double) dpte_row_height_l
+			/ (double) vratio_l * dml_pow(2, 2));
+	ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int) dml_pow(2, 17));
+
+	disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int) ((double) dpte_row_height_c
+			/ (double) vratio_c * dml_pow(2, 2));
+	ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_c < (unsigned int) dml_pow(2, 17));
+
+	disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int) ((double) meta_row_height_l
+			/ (double) vratio_l * dml_pow(2, 2));
+	ASSERT(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int) dml_pow(2, 17));
+
+	disp_dlg_regs->dst_y_per_meta_row_nom_c = disp_dlg_regs->dst_y_per_meta_row_nom_l; /* dcc for 4:2:0 is not supported in dcn1.0.  assigned to be the same as _l for now */
+
+	disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int) ((double) dpte_row_height_l
+			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
+			/ (double) dpte_groups_per_row_ub_l);
+	if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int) dml_pow(2, 23))
+		disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
+
+	disp_dlg_regs->refcyc_per_pte_group_nom_c = (unsigned int) ((double) dpte_row_height_c
+			/ (double) vratio_c * (double) htotal * ref_freq_to_pix_freq
+			/ (double) dpte_groups_per_row_ub_c);
+	if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int) dml_pow(2, 23))
+		disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
+
+	disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int) ((double) meta_row_height_l
+			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
+			/ (double) meta_chunks_per_row_ub_l);
+	if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int) dml_pow(2, 23))
+		disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
+
+	if (mode_422) {
+		swath_width_pixels_ub_l = swath_width_ub_l * 2; /* *2 for 2 pixel per element */
+		swath_width_pixels_ub_c = swath_width_ub_c * 2;
+	} else {
+		swath_width_pixels_ub_l = swath_width_ub_l * 1;
+		swath_width_pixels_ub_c = swath_width_ub_c * 1;
+	}
+
+	hscale_pixel_rate_l = 0.;
+	hscale_pixel_rate_c = 0.;
+	min_hratio_fact_l = 1.0;
+	min_hratio_fact_c = 1.0;
+
+	if (htaps_l <= 1)
+		min_hratio_fact_l = 2.0;
+	else if (htaps_l <= 6) {
+		if ((hratios_l * 2.0) > 4.0)
+			min_hratio_fact_l = 4.0;
+		else
+			min_hratio_fact_l = hratios_l * 2.0;
+	} else {
+		if (hratios_l > 4.0)
+			min_hratio_fact_l = 4.0;
+		else
+			min_hratio_fact_l = hratios_l;
+	}
+
+	hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
+
+	if (htaps_c <= 1)
+		min_hratio_fact_c = 2.0;
+	else if (htaps_c <= 6) {
+		if ((hratios_c * 2.0) > 4.0)
+			min_hratio_fact_c = 4.0;
+		else
+			min_hratio_fact_c = hratios_c * 2.0;
+	} else {
+		if (hratios_c > 4.0)
+			min_hratio_fact_c = 4.0;
+		else
+			min_hratio_fact_c = hratios_c;
+	}
+
+	hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz;
+
+	refcyc_per_line_delivery_pre_l = 0.;
+	refcyc_per_line_delivery_pre_c = 0.;
+	refcyc_per_line_delivery_l = 0.;
+	refcyc_per_line_delivery_c = 0.;
+
+	refcyc_per_req_delivery_pre_l = 0.;
+	refcyc_per_req_delivery_pre_c = 0.;
+	refcyc_per_req_delivery_l = 0.;
+	refcyc_per_req_delivery_c = 0.;
+	refcyc_per_req_delivery_pre_cur0 = 0.;
+	refcyc_per_req_delivery_cur0 = 0.;
+
+	full_recout_width = 0;
+	if (e2e_pipe_param.pipe.src.is_hsplit) {
+		if (e2e_pipe_param.pipe.dest.full_recout_width == 0) {
+			DTRACE("DLG: %s: Warningfull_recout_width not set in hsplit mode", __func__);
+			full_recout_width = e2e_pipe_param.pipe.dest.recout_width * 2; /* assume half split for dcn1 */
+		} else
+			full_recout_width = e2e_pipe_param.pipe.dest.full_recout_width;
+	} else
+		full_recout_width = e2e_pipe_param.pipe.dest.recout_width;
+
+	refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(
+			mode_lib,
+			refclk_freq_in_mhz,
+			pclk_freq_in_mhz,
+			full_recout_width,
+			vratio_pre_l,
+			hscale_pixel_rate_l,
+			swath_width_pixels_ub_l,
+			1); /* per line */
+
+	refcyc_per_line_delivery_l = get_refcyc_per_delivery(
+			mode_lib,
+			refclk_freq_in_mhz,
+			pclk_freq_in_mhz,
+			full_recout_width,
+			vratio_l,
+			hscale_pixel_rate_l,
+			swath_width_pixels_ub_l,
+			1); /* per line */
+
+	DTRACE("DLG: %s: full_recout_width              = %d", __func__, full_recout_width);
+	DTRACE("DLG: %s: hscale_pixel_rate_l            = %3.2f", __func__, hscale_pixel_rate_l);
+	DTRACE(
+			"DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f",
+			__func__,
+			refcyc_per_line_delivery_pre_l);
+	DTRACE(
+			"DLG: %s: refcyc_per_line_delivery_l     = %3.2f",
+			__func__,
+			refcyc_per_line_delivery_l);
+
+	disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int) dml_floor(
+			refcyc_per_line_delivery_pre_l);
+	disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int) dml_floor(
+			refcyc_per_line_delivery_l);
+	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int) dml_pow(2, 13));
+	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int) dml_pow(2, 13));
+
+	if (dual_plane) {
+		refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(
+				mode_lib,
+				refclk_freq_in_mhz,
+				pclk_freq_in_mhz,
+				full_recout_width,
+				vratio_pre_c,
+				hscale_pixel_rate_c,
+				swath_width_pixels_ub_c,
+				1); /* per line */
+
+		refcyc_per_line_delivery_c = get_refcyc_per_delivery(
+				mode_lib,
+				refclk_freq_in_mhz,
+				pclk_freq_in_mhz,
+				full_recout_width,
+				vratio_c,
+				hscale_pixel_rate_c,
+				swath_width_pixels_ub_c,
+				1); /* per line */
+
+		DTRACE(
+				"DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f",
+				__func__,
+				refcyc_per_line_delivery_pre_c);
+		DTRACE(
+				"DLG: %s: refcyc_per_line_delivery_c     = %3.2f",
+				__func__,
+				refcyc_per_line_delivery_c);
+
+		disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int) dml_floor(
+				refcyc_per_line_delivery_pre_c);
+		disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int) dml_floor(
+				refcyc_per_line_delivery_c);
+		ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int) dml_pow(2, 13)); ASSERT(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int) dml_pow(2, 13));
+	}
+	disp_dlg_regs->chunk_hdl_adjust_cur0 = 3;
+
+	/* TTU - Luma / Chroma */
+	if (access_dir) { /* vertical access */
+		scaler_rec_in_width_l = vp_height_l;
+		scaler_rec_in_width_c = vp_height_c;
+	} else {
+		scaler_rec_in_width_l = vp_width_l;
+		scaler_rec_in_width_c = vp_width_c;
+	}
+
+	refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery(
+			mode_lib,
+			refclk_freq_in_mhz,
+			pclk_freq_in_mhz,
+			full_recout_width,
+			vratio_pre_l,
+			hscale_pixel_rate_l,
+			scaler_rec_in_width_l,
+			req_per_swath_ub_l); /* per req */
+	refcyc_per_req_delivery_l = get_refcyc_per_delivery(
+			mode_lib,
+			refclk_freq_in_mhz,
+			pclk_freq_in_mhz,
+			full_recout_width,
+			vratio_l,
+			hscale_pixel_rate_l,
+			scaler_rec_in_width_l,
+			req_per_swath_ub_l); /* per req */
+
+	DTRACE(
+			"DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f",
+			__func__,
+			refcyc_per_req_delivery_pre_l);
+	DTRACE(
+			"DLG: %s: refcyc_per_req_delivery_l     = %3.2f",
+			__func__,
+			refcyc_per_req_delivery_l);
+
+	disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int) (refcyc_per_req_delivery_pre_l
+			* dml_pow(2, 10));
+	disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int) (refcyc_per_req_delivery_l
+			* dml_pow(2, 10));
+
+	ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13));
+	ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13));
+
+	if (dual_plane) {
+		refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery(
+				mode_lib,
+				refclk_freq_in_mhz,
+				pclk_freq_in_mhz,
+				full_recout_width,
+				vratio_pre_c,
+				hscale_pixel_rate_c,
+				scaler_rec_in_width_c,
+				req_per_swath_ub_c); /* per req  */
+		refcyc_per_req_delivery_c = get_refcyc_per_delivery(
+				mode_lib,
+				refclk_freq_in_mhz,
+				pclk_freq_in_mhz,
+				full_recout_width,
+				vratio_c,
+				hscale_pixel_rate_c,
+				scaler_rec_in_width_c,
+				req_per_swath_ub_c); /* per req */
+
+		DTRACE(
+				"DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f",
+				__func__,
+				refcyc_per_req_delivery_pre_c);
+		DTRACE(
+				"DLG: %s: refcyc_per_req_delivery_c     = %3.2f",
+				__func__,
+				refcyc_per_req_delivery_c);
+
+		disp_ttu_regs->refcyc_per_req_delivery_pre_c =
+				(unsigned int) (refcyc_per_req_delivery_pre_c * dml_pow(2, 10));
+		disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int) (refcyc_per_req_delivery_c
+				* dml_pow(2, 10));
+
+		ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13));
+		ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13));
+	}
+
+	/* TTU - Cursor */
+	hratios_cur0 = e2e_pipe_param.pipe.scale_ratio_depth.hscl_ratio;
+	cur0_src_width = e2e_pipe_param.pipe.src.cur0_src_width; /* cursor source width */
+	cur0_bpp = (enum cursor_bpp) e2e_pipe_param.pipe.src.cur0_bpp;
+	cur0_req_size = 0;
+	cur0_req_width = 0;
+	cur0_width_ub = 0.0;
+	cur0_req_per_width = 0.0;
+	hactive_cur0 = 0.0;
+
+	ASSERT(cur0_src_width <= 256);
+
+	if (cur0_src_width > 0) {
+		unsigned int cur0_bit_per_pixel = 0;
+
+		if (cur0_bpp == dm_cur_2bit) {
+			cur0_req_size = 64; /* byte */
+			cur0_bit_per_pixel = 2;
+		} else { /* 32bit */
+			cur0_bit_per_pixel = 32;
+			if (cur0_src_width >= 1 && cur0_src_width <= 16)
+				cur0_req_size = 64;
+			else if (cur0_src_width >= 17 && cur0_src_width <= 31)
+				cur0_req_size = 128;
+			else
+				cur0_req_size = 256;
+		}
+
+		cur0_req_width = (double) cur0_req_size / ((double) cur0_bit_per_pixel / 8.0);
+		cur0_width_ub = dml_ceil((double) cur0_src_width / (double) cur0_req_width)
+				* (double) cur0_req_width;
+		cur0_req_per_width = cur0_width_ub / (double) cur0_req_width;
+		hactive_cur0 = (double) cur0_src_width / hratios_cur0; /* FIXME: oswin to think about what to do for cursor */
+
+		if (vratio_pre_l <= 1.0) {
+			refcyc_per_req_delivery_pre_cur0 = hactive_cur0 * ref_freq_to_pix_freq
+					/ (double) cur0_req_per_width;
+		} else {
+			refcyc_per_req_delivery_pre_cur0 = (double) refclk_freq_in_mhz
+					* (double) cur0_src_width / hscale_pixel_rate_l
+					/ (double) cur0_req_per_width;
+		}
+
+		disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
+				(unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
+		ASSERT(refcyc_per_req_delivery_pre_cur0 < dml_pow(2, 13));
+
+		if (vratio_l <= 1.0) {
+			refcyc_per_req_delivery_cur0 = hactive_cur0 * ref_freq_to_pix_freq
+					/ (double) cur0_req_per_width;
+		} else {
+			refcyc_per_req_delivery_cur0 = (double) refclk_freq_in_mhz
+					* (double) cur0_src_width / hscale_pixel_rate_l
+					/ (double) cur0_req_per_width;
+		}
+
+		DTRACE("DLG: %s: cur0_req_width                     = %d", __func__, cur0_req_width);
+		DTRACE(
+				"DLG: %s: cur0_width_ub                      = %3.2f",
+				__func__,
+				cur0_width_ub);
+		DTRACE(
+				"DLG: %s: cur0_req_per_width                 = %3.2f",
+				__func__,
+				cur0_req_per_width);
+		DTRACE(
+				"DLG: %s: hactive_cur0                       = %3.2f",
+				__func__,
+				hactive_cur0);
+		DTRACE(
+				"DLG: %s: refcyc_per_req_delivery_pre_cur0   = %3.2f",
+				__func__,
+				refcyc_per_req_delivery_pre_cur0);
+		DTRACE(
+				"DLG: %s: refcyc_per_req_delivery_cur0       = %3.2f",
+				__func__,
+				refcyc_per_req_delivery_cur0);
+
+		disp_ttu_regs->refcyc_per_req_delivery_cur0 =
+				(unsigned int) (refcyc_per_req_delivery_cur0 * dml_pow(2, 10));
+		ASSERT(refcyc_per_req_delivery_cur0 < dml_pow(2, 13));
+	} else {
+		disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 = 0;
+		disp_ttu_regs->refcyc_per_req_delivery_cur0 = 0;
+	}
+
+	/* TTU - Misc */
+	disp_ttu_regs->qos_level_low_wm = 0;
+	ASSERT(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14));
+	disp_ttu_regs->qos_level_high_wm = (unsigned int) (4.0 * (double) htotal
+			* ref_freq_to_pix_freq);
+	ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14));
+
+	disp_ttu_regs->qos_level_flip = 14;
+	disp_ttu_regs->qos_level_fixed_l = 8;
+	disp_ttu_regs->qos_level_fixed_c = 8;
+	disp_ttu_regs->qos_level_fixed_cur0 = 8;
+	disp_ttu_regs->qos_ramp_disable_l = 0;
+	disp_ttu_regs->qos_ramp_disable_c = 0;
+	disp_ttu_regs->qos_ramp_disable_cur0 = 0;
+
+	disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
+	ASSERT(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24));
+
+	print__ttu_regs_st(mode_lib, *disp_ttu_regs);
+	print__dlg_regs_st(mode_lib, *disp_dlg_regs);
+}
+
+void dml_rq_dlg_get_dlg_reg(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_regs_st *dlg_regs,
+		struct _vcs_dpi_display_ttu_regs_st *ttu_regs,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e_pipe_param,
+		const int unsigned num_pipes,
+		const int unsigned pipe_idx,
+		const bool cstate_en,
+		const bool pstate_en,
+		const bool vm_en,
+		const bool iflip_en)
+{
+	struct _vcs_dpi_display_rq_params_st rq_param = {0};
+	struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param = {0};
+	struct _vcs_dpi_wm_calc_pipe_params_st *wm_param = mode_lib->wm_param;
+	struct _vcs_dpi_cstate_pstate_watermarks_st cstate_pstate_wm;
+	struct _vcs_dpi_display_dlg_prefetch_param_st prefetch_param;
+	double total_ret_bw;
+	double total_active_bw;
+	double total_prefetch_bw;
+	int unsigned total_flip_bytes;
+	int unsigned num_planes;
+	int i;
+
+	memset(wm_param, 0, sizeof(mode_lib->wm_param));
+
+	/* Get watermark and Tex.  */
+	DTRACE("DLG: Start calculating system setting related parameters. num_pipes=%d", num_pipes);
+	num_planes = dml_wm_e2e_to_wm(mode_lib, e2e_pipe_param, num_pipes, wm_param);
+
+	cstate_pstate_wm = dml_wm_cstate_pstate_e2e(mode_lib, e2e_pipe_param, num_pipes);
+	dlg_sys_param.t_mclk_wm_us = cstate_pstate_wm.pstate_change_us;
+	dlg_sys_param.t_sr_wm_us = cstate_pstate_wm.cstate_enter_plus_exit_us;
+	dlg_sys_param.t_urg_wm_us = dml_wm_urgent_e2e(mode_lib, e2e_pipe_param, num_pipes);
+	dlg_sys_param.t_srx_delay_us = mode_lib->ip.dcfclk_cstate_latency
+			/ dml_wm_dcfclk_deepsleep_mhz_e2e(mode_lib, e2e_pipe_param, num_pipes);
+	dlg_sys_param.t_extra_us = dml_wm_urgent_extra(mode_lib, wm_param, num_planes);
+	dlg_sys_param.deepsleep_dcfclk_mhz = dml_wm_dcfclk_deepsleep_mhz_e2e(
+			mode_lib,
+			e2e_pipe_param,
+			num_pipes);
+
+	print__dlg_sys_params_st(mode_lib, dlg_sys_param);
+
+	DTRACE("DLG: Start calculating total prefetch bw. num_planes=%d", num_planes);
+	total_ret_bw = dml_wm_calc_return_bw(mode_lib, wm_param, num_planes);
+	total_active_bw = dml_wm_calc_total_data_read_bw(mode_lib, wm_param, num_planes);
+	total_prefetch_bw = 0.0;
+	total_flip_bytes = 0;
+
+	for (i = 0; i < num_pipes; i++) {
+		dml_rq_dlg_get_rq_params(mode_lib, &rq_param, e2e_pipe_param[i].pipe.src);
+		dml_rq_dlg_get_dlg_params_prefetch(
+				mode_lib,
+				&prefetch_param,
+				rq_param.dlg,
+				dlg_sys_param,
+				e2e_pipe_param[i],
+				cstate_en,
+				pstate_en,
+				vm_en);
+		total_prefetch_bw += prefetch_param.prefetch_bw;
+		total_flip_bytes += prefetch_param.flip_bytes;
+		DTRACE(
+				"DLG: pipe=%d, total_prefetch_bw=%3.2f total_flip_bytes=%d",
+				i,
+				total_prefetch_bw,
+				total_flip_bytes);
+	}
+
+	dlg_sys_param.total_flip_bw = total_ret_bw - dml_max(total_active_bw, total_prefetch_bw);
+
+	DTRACE("DLG: Done calculating total prefetch bw");
+	DTRACE("DLG: num_pipes          = %d", num_pipes);
+	DTRACE("DLG: total_ret_bw       = %3.2f", total_ret_bw);
+	DTRACE("DLG: total_active_bw    = %3.2f", total_active_bw);
+	DTRACE("DLG: total_prefetch_bw  = %3.2f", total_prefetch_bw);
+	DTRACE("DLG: total_flip_bw      = %3.2f", dlg_sys_param.total_flip_bw);
+
+	if (dlg_sys_param.total_flip_bw < 0.0 && iflip_en) {
+		DTRACE("WARNING_DLG Insufficient bw for immediate flip!");
+		dlg_sys_param.total_flip_bw = 0;
+	}
+
+	dlg_sys_param.total_flip_bytes = total_flip_bytes;
+	DTRACE("DLG: total_flip_bytes   = %d", dlg_sys_param.total_flip_bytes);
+	DTRACE("DLG: Done calculating system setting related parameters.");
+
+	/* system parameter calculation done */
+
+	DTRACE("DLG: Calculation for pipe[%d] start", pipe_idx);
+	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, e2e_pipe_param[pipe_idx].pipe.src);
+	dml_rq_dlg_get_dlg_params(
+			mode_lib,
+			dlg_regs,
+			ttu_regs,
+			rq_param.dlg,
+			dlg_sys_param,
+			e2e_pipe_param[pipe_idx],
+			cstate_en,
+			pstate_en,
+			vm_en,
+			iflip_en);
+	DTRACE("DLG: Calculation for pipe[%d] end", pipe_idx);
+}
+
+void dml_rq_dlg_get_arb_params(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_arb_params_st *arb_param)
+{
+	memset(arb_param, 0, sizeof(*arb_param));
+	arb_param->max_req_outstanding = 256;
+	arb_param->min_req_outstanding = 68;
+	arb_param->sat_level_us = 60;
+}

drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_calc.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_RQ_DLG_CALC_H__
+#define __DISPLAY_RQ_DLG_CALC_H__
+
+#include "dml_common_defs.h"
+#include "display_rq_dlg_helpers.h"
+
+struct display_mode_lib;
+
+void extract_rq_regs(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_regs_st *rq_regs,
+		const struct _vcs_dpi_display_rq_params_st rq_param);
+/* Function: dml_rq_dlg_get_rq_params
+ *  Calculate requestor related parameters that register definition agnostic
+ *  (i.e. this layer does try to separate real values from register defintion)
+ * Input:
+ *  pipe_src_param - pipe source configuration (e.g. vp, pitch, etc.)
+ * Output:
+ *  rq_param - values that can be used to setup RQ (e.g. swath_height, plane1_addr, etc.)
+ */
+void dml_rq_dlg_get_rq_params(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_params_st *rq_param,
+		const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param);
+
+/* Function: dml_rq_dlg_get_rq_reg
+ *  Main entry point for test to get the register values out of this DML class.
+ *  This function calls <get_rq_param> and <extract_rq_regs> fucntions to calculate
+ *  and then populate the rq_regs struct
+ * Input:
+ *  pipe_src_param - pipe source configuration (e.g. vp, pitch, etc.)
+ * Output:
+ *  rq_regs - struct that holds all the RQ registers field value.
+ *            See also: <display_rq_regs_st>
+ */
+void dml_rq_dlg_get_rq_reg(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_regs_st *rq_regs,
+		const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param);
+
+/* Function: dml_rq_dlg_get_dlg_params
+ *  Calculate deadline related parameters
+ */
+void dml_rq_dlg_get_dlg_params(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_regs_st *dlg_regs,
+		struct _vcs_dpi_display_ttu_regs_st *ttu_regs,
+		const struct _vcs_dpi_display_rq_dlg_params_st rq_dlg_param,
+		const struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param,
+		const struct _vcs_dpi_display_e2e_pipe_params_st e2e_pipe_param,
+		const bool cstate_en,
+		const bool pstate_en,
+		const bool vm_en,
+		const bool iflip_en);
+
+/* Function: dml_rq_dlg_get_dlg_param_prefetch
+ *   For flip_bw programming guide change, now dml needs to calculate the flip_bytes and prefetch_bw
+ *   for ALL pipes and use this info to calculate the prefetch programming.
+ * Output: prefetch_param.prefetch_bw and flip_bytes
+ */
+void dml_rq_dlg_get_dlg_params_prefetch(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_prefetch_param_st *prefetch_param,
+		struct _vcs_dpi_display_rq_dlg_params_st rq_dlg_param,
+		struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param,
+		struct _vcs_dpi_display_e2e_pipe_params_st e2e_pipe_param,
+		const bool cstate_en,
+		const bool pstate_en,
+		const bool vm_en);
+
+/* Function: dml_rq_dlg_get_dlg_reg
+ *   Calculate and return DLG and TTU register struct given the system setting
+ * Output:
+ *  dlg_regs - output DLG register struct
+ *  ttu_regs - output DLG TTU register struct
+ * Input:
+ *  e2e_pipe_param - "compacted" array of e2e pipe param struct
+ *  num_pipes - num of active "pipe" or "route"
+ *  pipe_idx - index that identifies the e2e_pipe_param that corresponding to this dlg
+ *  cstate - 0: when calculate min_ttu_vblank it is assumed cstate is not required. 1: Normal mode, cstate is considered.
+ *           Added for legacy or unrealistic timing tests.
+ */
+void dml_rq_dlg_get_dlg_reg(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_regs_st *dlg_regs,
+		struct _vcs_dpi_display_ttu_regs_st *ttu_regs,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e_pipe_param,
+		const unsigned int num_pipes,
+		const unsigned int pipe_idx,
+		const bool cstate_en,
+		const bool pstate_en,
+		const bool vm_en,
+		const bool iflip_en);
+
+/* Function: dml_rq_dlg_get_row_heights
+ *  Calculate dpte and meta row heights
+ */
+void dml_rq_dlg_get_row_heights(
+		struct display_mode_lib *mode_lib,
+		unsigned int *o_dpte_row_height,
+		unsigned int *o_meta_row_height,
+		unsigned int vp_width,
+		unsigned int data_pitch,
+		int source_format,
+		int tiling,
+		int macro_tile_size,
+		int source_scan,
+		int is_chroma);
+
+/* Function: dml_rq_dlg_get_arb_params */
+void dml_rq_dlg_get_arb_params(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_arb_params_st *arb_param);
+
+#endif

drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "display_rq_dlg_helpers.h"
+
+void print__rq_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_params_st rq_param)
+{
+	DTRACE("RQ_DLG_CALC: *************************** ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_RQ_PARAM_ST");
+	DTRACE("RQ_DLG_CALC:  <LUMA>");
+	print__data_rq_sizing_params_st(mode_lib, rq_param.sizing.rq_l);
+	DTRACE("RQ_DLG_CALC:  <CHROMA> === ");
+	print__data_rq_sizing_params_st(mode_lib, rq_param.sizing.rq_c);
+
+	DTRACE("RQ_DLG_CALC: <LUMA>");
+	print__data_rq_dlg_params_st(mode_lib, rq_param.dlg.rq_l);
+	DTRACE("RQ_DLG_CALC: <CHROMA>");
+	print__data_rq_dlg_params_st(mode_lib, rq_param.dlg.rq_c);
+
+	DTRACE("RQ_DLG_CALC: <LUMA>");
+	print__data_rq_misc_params_st(mode_lib, rq_param.misc.rq_l);
+	DTRACE("RQ_DLG_CALC: <CHROMA>");
+	print__data_rq_misc_params_st(mode_lib, rq_param.misc.rq_c);
+	DTRACE("RQ_DLG_CALC: *************************** ");
+}
+
+void print__data_rq_sizing_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_sizing_params_st rq_sizing)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_DATA_RQ_SIZING_PARAM_ST");
+	DTRACE("RQ_DLG_CALC:    chunk_bytes           = %0d", rq_sizing.chunk_bytes);
+	DTRACE("RQ_DLG_CALC:    min_chunk_bytes       = %0d", rq_sizing.min_chunk_bytes);
+	DTRACE("RQ_DLG_CALC:    meta_chunk_bytes      = %0d", rq_sizing.meta_chunk_bytes);
+	DTRACE("RQ_DLG_CALC:    min_meta_chunk_bytes  = %0d", rq_sizing.min_meta_chunk_bytes);
+	DTRACE("RQ_DLG_CALC:    mpte_group_bytes      = %0d", rq_sizing.mpte_group_bytes);
+	DTRACE("RQ_DLG_CALC:    dpte_group_bytes      = %0d", rq_sizing.dpte_group_bytes);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__data_rq_dlg_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_dlg_params_st rq_dlg_param)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_DATA_RQ_DLG_PARAM_ST");
+	DTRACE("RQ_DLG_CALC:    swath_width_ub              = %0d", rq_dlg_param.swath_width_ub);
+	DTRACE("RQ_DLG_CALC:    swath_height                = %0d", rq_dlg_param.swath_height);
+	DTRACE("RQ_DLG_CALC:    req_per_swath_ub            = %0d", rq_dlg_param.req_per_swath_ub);
+	DTRACE(
+			"RQ_DLG_CALC:    meta_pte_bytes_per_frame_ub = %0d",
+			rq_dlg_param.meta_pte_bytes_per_frame_ub);
+	DTRACE(
+			"RQ_DLG_CALC:    dpte_req_per_row_ub         = %0d",
+			rq_dlg_param.dpte_req_per_row_ub);
+	DTRACE(
+			"RQ_DLG_CALC:    dpte_groups_per_row_ub      = %0d",
+			rq_dlg_param.dpte_groups_per_row_ub);
+	DTRACE("RQ_DLG_CALC:    dpte_row_height             = %0d", rq_dlg_param.dpte_row_height);
+	DTRACE(
+			"RQ_DLG_CALC:    dpte_bytes_per_row_ub       = %0d",
+			rq_dlg_param.dpte_bytes_per_row_ub);
+	DTRACE(
+			"RQ_DLG_CALC:    meta_chunks_per_row_ub      = %0d",
+			rq_dlg_param.meta_chunks_per_row_ub);
+	DTRACE(
+			"RQ_DLG_CALC:    meta_req_per_row_ub         = %0d",
+			rq_dlg_param.meta_req_per_row_ub);
+	DTRACE("RQ_DLG_CALC:    meta_row_height             = %0d", rq_dlg_param.meta_row_height);
+	DTRACE(
+			"RQ_DLG_CALC:    meta_bytes_per_row_ub       = %0d",
+			rq_dlg_param.meta_bytes_per_row_ub);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__data_rq_misc_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_misc_params_st rq_misc_param)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_DATA_RQ_MISC_PARAM_ST");
+	DTRACE("RQ_DLG_CALC:     full_swath_bytes   = %0d", rq_misc_param.full_swath_bytes);
+	DTRACE("RQ_DLG_CALC:     stored_swath_bytes = %0d", rq_misc_param.stored_swath_bytes);
+	DTRACE("RQ_DLG_CALC:     blk256_width       = %0d", rq_misc_param.blk256_width);
+	DTRACE("RQ_DLG_CALC:     blk256_height      = %0d", rq_misc_param.blk256_height);
+	DTRACE("RQ_DLG_CALC:     req_width          = %0d", rq_misc_param.req_width);
+	DTRACE("RQ_DLG_CALC:     req_height         = %0d", rq_misc_param.req_height);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__rq_dlg_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_dlg_params_st rq_dlg_param)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_RQ_DLG_PARAM_ST");
+	DTRACE("RQ_DLG_CALC:  <LUMA> ");
+	print__data_rq_dlg_params_st(mode_lib, rq_dlg_param.rq_l);
+	DTRACE("RQ_DLG_CALC:  <CHROMA> ");
+	print__data_rq_dlg_params_st(mode_lib, rq_dlg_param.rq_c);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__dlg_sys_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_RQ_DLG_PARAM_ST");
+	DTRACE("RQ_DLG_CALC:    t_mclk_wm_us         = %3.2f", dlg_sys_param.t_mclk_wm_us);
+	DTRACE("RQ_DLG_CALC:    t_urg_wm_us          = %3.2f", dlg_sys_param.t_urg_wm_us);
+	DTRACE("RQ_DLG_CALC:    t_sr_wm_us           = %3.2f", dlg_sys_param.t_sr_wm_us);
+	DTRACE("RQ_DLG_CALC:    t_extra_us           = %3.2f", dlg_sys_param.t_extra_us);
+	DTRACE("RQ_DLG_CALC:    t_srx_delay_us       = %3.2f", dlg_sys_param.t_srx_delay_us);
+	DTRACE("RQ_DLG_CALC:    deepsleep_dcfclk_mhz = %3.2f", dlg_sys_param.deepsleep_dcfclk_mhz);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__data_rq_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_regs_st rq_regs)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_DATA_RQ_REGS_ST");
+	DTRACE("RQ_DLG_CALC:    chunk_size              = 0x%0x", rq_regs.chunk_size);
+	DTRACE("RQ_DLG_CALC:    min_chunk_size          = 0x%0x", rq_regs.min_chunk_size);
+	DTRACE("RQ_DLG_CALC:    meta_chunk_size         = 0x%0x", rq_regs.meta_chunk_size);
+	DTRACE("RQ_DLG_CALC:    min_meta_chunk_size     = 0x%0x", rq_regs.min_meta_chunk_size);
+	DTRACE("RQ_DLG_CALC:    dpte_group_size         = 0x%0x", rq_regs.dpte_group_size);
+	DTRACE("RQ_DLG_CALC:    mpte_group_size         = 0x%0x", rq_regs.mpte_group_size);
+	DTRACE("RQ_DLG_CALC:    swath_height            = 0x%0x", rq_regs.swath_height);
+	DTRACE("RQ_DLG_CALC:    pte_row_height_linear   = 0x%0x", rq_regs.pte_row_height_linear);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__rq_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_regs_st rq_regs)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_RQ_REGS_ST");
+	DTRACE("RQ_DLG_CALC:  <LUMA> ");
+	print__data_rq_regs_st(mode_lib, rq_regs.rq_regs_l);
+	DTRACE("RQ_DLG_CALC:  <CHROMA> ");
+	print__data_rq_regs_st(mode_lib, rq_regs.rq_regs_c);
+	DTRACE("RQ_DLG_CALC:    drq_expansion_mode  = 0x%0x", rq_regs.drq_expansion_mode);
+	DTRACE("RQ_DLG_CALC:    prq_expansion_mode  = 0x%0x", rq_regs.prq_expansion_mode);
+	DTRACE("RQ_DLG_CALC:    mrq_expansion_mode  = 0x%0x", rq_regs.mrq_expansion_mode);
+	DTRACE("RQ_DLG_CALC:    crq_expansion_mode  = 0x%0x", rq_regs.crq_expansion_mode);
+	DTRACE("RQ_DLG_CALC:    plane1_base_address = 0x%0x", rq_regs.plane1_base_address);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__dlg_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_regs_st dlg_regs)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_DLG_REGS_ST ");
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_h_blank_end              = 0x%0x",
+			dlg_regs.refcyc_h_blank_end);
+	DTRACE("RQ_DLG_CALC:    dlg_vblank_end                  = 0x%0x", dlg_regs.dlg_vblank_end);
+	DTRACE(
+			"RQ_DLG_CALC:    min_dst_y_next_start            = 0x%0x",
+			dlg_regs.min_dst_y_next_start);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_htotal               = 0x%0x",
+			dlg_regs.refcyc_per_htotal);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_x_after_scaler           = 0x%0x",
+			dlg_regs.refcyc_x_after_scaler);
+	DTRACE(
+			"RQ_DLG_CALC:    dst_y_after_scaler              = 0x%0x",
+			dlg_regs.dst_y_after_scaler);
+	DTRACE("RQ_DLG_CALC:    dst_y_prefetch                  = 0x%0x", dlg_regs.dst_y_prefetch);
+	DTRACE(
+			"RQ_DLG_CALC:    dst_y_per_vm_vblank             = 0x%0x",
+			dlg_regs.dst_y_per_vm_vblank);
+	DTRACE(
+			"RQ_DLG_CALC:    dst_y_per_row_vblank            = 0x%0x",
+			dlg_regs.dst_y_per_row_vblank);
+	DTRACE(
+			"RQ_DLG_CALC:    ref_freq_to_pix_freq            = 0x%0x",
+			dlg_regs.ref_freq_to_pix_freq);
+	DTRACE("RQ_DLG_CALC:    vratio_prefetch                 = 0x%0x", dlg_regs.vratio_prefetch);
+	DTRACE(
+			"RQ_DLG_CALC:    vratio_prefetch_c               = 0x%0x",
+			dlg_regs.vratio_prefetch_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_pte_group_vblank_l   = 0x%0x",
+			dlg_regs.refcyc_per_pte_group_vblank_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_pte_group_vblank_c   = 0x%0x",
+			dlg_regs.refcyc_per_pte_group_vblank_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_meta_chunk_vblank_l  = 0x%0x",
+			dlg_regs.refcyc_per_meta_chunk_vblank_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_meta_chunk_vblank_c  = 0x%0x",
+			dlg_regs.refcyc_per_meta_chunk_vblank_c);
+	DTRACE(
+			"RQ_DLG_CALC:    dst_y_per_pte_row_nom_l         = 0x%0x",
+			dlg_regs.dst_y_per_pte_row_nom_l);
+	DTRACE(
+			"RQ_DLG_CALC:    dst_y_per_pte_row_nom_c         = 0x%0x",
+			dlg_regs.dst_y_per_pte_row_nom_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_pte_group_nom_l      = 0x%0x",
+			dlg_regs.refcyc_per_pte_group_nom_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_pte_group_nom_c      = 0x%0x",
+			dlg_regs.refcyc_per_pte_group_nom_c);
+	DTRACE(
+			"RQ_DLG_CALC:    dst_y_per_meta_row_nom_l        = 0x%0x",
+			dlg_regs.dst_y_per_meta_row_nom_l);
+	DTRACE(
+			"RQ_DLG_CALC:    dst_y_per_meta_row_nom_c        = 0x%0x",
+			dlg_regs.dst_y_per_meta_row_nom_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_meta_chunk_nom_l     = 0x%0x",
+			dlg_regs.refcyc_per_meta_chunk_nom_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_meta_chunk_nom_c     = 0x%0x",
+			dlg_regs.refcyc_per_meta_chunk_nom_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_line_delivery_pre_l  = 0x%0x",
+			dlg_regs.refcyc_per_line_delivery_pre_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_line_delivery_pre_c  = 0x%0x",
+			dlg_regs.refcyc_per_line_delivery_pre_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_line_delivery_l      = 0x%0x",
+			dlg_regs.refcyc_per_line_delivery_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_line_delivery_c      = 0x%0x",
+			dlg_regs.refcyc_per_line_delivery_c);
+	DTRACE(
+			"RQ_DLG_CALC:    chunk_hdl_adjust_cur0           = 0x%0x",
+			dlg_regs.chunk_hdl_adjust_cur0);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}
+
+void print__ttu_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_ttu_regs_st ttu_regs)
+{
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+	DTRACE("RQ_DLG_CALC: DISPLAY_TTU_REGS_ST ");
+	DTRACE(
+			"RQ_DLG_CALC:    qos_level_low_wm                  = 0x%0x",
+			ttu_regs.qos_level_low_wm);
+	DTRACE(
+			"RQ_DLG_CALC:    qos_level_high_wm                 = 0x%0x",
+			ttu_regs.qos_level_high_wm);
+	DTRACE("RQ_DLG_CALC:    min_ttu_vblank                    = 0x%0x", ttu_regs.min_ttu_vblank);
+	DTRACE("RQ_DLG_CALC:    qos_level_flip                    = 0x%0x", ttu_regs.qos_level_flip);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_req_delivery_pre_l     = 0x%0x",
+			ttu_regs.refcyc_per_req_delivery_pre_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_req_delivery_l         = 0x%0x",
+			ttu_regs.refcyc_per_req_delivery_l);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_req_delivery_pre_c     = 0x%0x",
+			ttu_regs.refcyc_per_req_delivery_pre_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_req_delivery_c         = 0x%0x",
+			ttu_regs.refcyc_per_req_delivery_c);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_req_delivery_cur0      = 0x%0x",
+			ttu_regs.refcyc_per_req_delivery_cur0);
+	DTRACE(
+			"RQ_DLG_CALC:    refcyc_per_req_delivery_pre_cur0  = 0x%0x",
+			ttu_regs.refcyc_per_req_delivery_pre_cur0);
+	DTRACE(
+			"RQ_DLG_CALC:    qos_level_fixed_l                 = 0x%0x",
+			ttu_regs.qos_level_fixed_l);
+	DTRACE(
+			"RQ_DLG_CALC:    qos_ramp_disable_l                = 0x%0x",
+			ttu_regs.qos_ramp_disable_l);
+	DTRACE(
+			"RQ_DLG_CALC:    qos_level_fixed_c                 = 0x%0x",
+			ttu_regs.qos_level_fixed_c);
+	DTRACE(
+			"RQ_DLG_CALC:    qos_ramp_disable_c                = 0x%0x",
+			ttu_regs.qos_ramp_disable_c);
+	DTRACE(
+			"RQ_DLG_CALC:    qos_level_fixed_cur0              = 0x%0x",
+			ttu_regs.qos_level_fixed_cur0);
+	DTRACE(
+			"RQ_DLG_CALC:    qos_ramp_disable_cur0             = 0x%0x",
+			ttu_regs.qos_ramp_disable_cur0);
+	DTRACE("RQ_DLG_CALC: ===================================== ");
+}

drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_RQ_DLG_HELPERS_H__
+#define __DISPLAY_RQ_DLG_HELPERS_H__
+
+#include "dml_common_defs.h"
+#include "display_mode_lib.h"
+
+/* Function: Printer functions
+ *  Print various struct
+ */
+void print__rq_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_params_st rq_param);
+void print__data_rq_sizing_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_sizing_params_st rq_sizing);
+void print__data_rq_dlg_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_dlg_params_st rq_dlg_param);
+void print__data_rq_misc_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_misc_params_st rq_misc_param);
+void print__rq_dlg_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_dlg_params_st rq_dlg_param);
+void print__dlg_sys_params_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param);
+
+void print__data_rq_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_data_rq_regs_st data_rq_regs);
+void print__rq_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_rq_regs_st rq_regs);
+void print__dlg_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_dlg_regs_st dlg_regs);
+void print__ttu_regs_st(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_ttu_regs_st ttu_regs);
+
+#endif

drivers/gpu/drm/amd/display/dc/dml/display_watermark.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include "display_watermark.h"
+#include "display_mode_lib.h"
+
+static void get_bytes_per_pixel(
+		enum source_format_class format,
+		struct _vcs_dpi_wm_calc_pipe_params_st *plane)
+{
+	switch (format) {
+	case dm_444_64:
+		plane->bytes_per_pixel_y = 8.0;
+		plane->bytes_per_pixel_c = 0.0;
+		break;
+	case dm_444_32:
+		plane->bytes_per_pixel_y = 4.0;
+		plane->bytes_per_pixel_c = 0.0;
+		break;
+	case dm_444_16:
+		plane->bytes_per_pixel_y = 2.0;
+		plane->bytes_per_pixel_c = 0.0;
+		break;
+	case dm_422_10:
+		plane->bytes_per_pixel_y = 4.0;
+		plane->bytes_per_pixel_c = 0.0;
+		break;
+	case dm_422_8:
+		plane->bytes_per_pixel_y = 2.0;
+		plane->bytes_per_pixel_c = 0.0;
+		break;
+	case dm_420_8:
+		plane->bytes_per_pixel_y = 1.0;
+		plane->bytes_per_pixel_c = 2.0;
+		break;
+	case dm_420_10:
+		plane->bytes_per_pixel_y = 4.0 / 3;
+		plane->bytes_per_pixel_c = 8.0 / 3;
+		break;
+	default:
+		BREAK_TO_DEBUGGER(); /* invalid format in get_bytes_per_pixel */
+	}
+}
+
+static unsigned int get_swath_width_y(
+		struct _vcs_dpi_display_pipe_source_params_st *src_param,
+		unsigned int num_dpp)
+{
+	unsigned int val;
+
+	/* note that we don't divide by num_dpp here because we have an interface which has already split
+	 * any viewports
+	 */
+	if (src_param->source_scan == dm_horz) {
+		val = src_param->viewport_width;
+	} else {
+		val = src_param->viewport_height;
+	}
+
+	return val;
+}
+
+static void get_swath_height(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_pipe_source_params_st *src_param,
+		struct _vcs_dpi_wm_calc_pipe_params_st *plane,
+		unsigned int swath_width_y)
+{
+	double buffer_width;
+
+	if (src_param->source_format == dm_444_64 || src_param->source_format == dm_444_32
+			|| src_param->source_format == dm_444_16) {
+		if (src_param->sw_mode == dm_sw_linear) {
+			plane->swath_height_y = 1;
+		} else if (src_param->source_format == dm_444_64) {
+			plane->swath_height_y = 4;
+		} else {
+			plane->swath_height_y = 8;
+		}
+
+		if (src_param->source_scan != dm_horz) {
+			plane->swath_height_y = 256 / (unsigned int) plane->bytes_per_pixel_y
+					/ plane->swath_height_y;
+		}
+
+		plane->swath_height_c = 0;
+
+	} else {
+		if (src_param->sw_mode == dm_sw_linear) {
+			plane->swath_height_y = 1;
+			plane->swath_height_c = 1;
+		} else if (src_param->source_format == dm_420_8) {
+			plane->swath_height_y = 16;
+			plane->swath_height_c = 8;
+		} else {
+			plane->swath_height_y = 8;
+			plane->swath_height_c = 8;
+		}
+
+		if (src_param->source_scan != dm_horz) {
+			double bytes_per_pixel_c_ceil;
+
+			plane->swath_height_y = 256 / dml_ceil(plane->bytes_per_pixel_y)
+					/ plane->swath_height_y;
+
+			bytes_per_pixel_c_ceil = dml_ceil_2(plane->bytes_per_pixel_c);
+
+			plane->swath_height_c = 256 / bytes_per_pixel_c_ceil
+					/ plane->swath_height_c;
+		}
+	}
+
+	/* use swath height min if buffer isn't big enough */
+
+	buffer_width = ((double) mode_lib->ip.det_buffer_size_kbytes * 1024.0 / 2.0)
+			/ (plane->bytes_per_pixel_y * (double) plane->swath_height_y
+					+ (plane->bytes_per_pixel_c / 2.0
+							* (double) plane->swath_height_c));
+
+	if ((double) swath_width_y <= buffer_width) {
+		/* do nothing, just keep code structure from Gabes vba */
+	} else {
+		/* substitute swath height with swath height min */
+		if (src_param->source_format == dm_444_64 || src_param->source_format == dm_444_32
+				|| src_param->source_format == dm_444_16) {
+			if ((src_param->sw_mode == dm_sw_linear)
+					|| (src_param->source_format == dm_444_64
+							&& (src_param->sw_mode == dm_sw_4kb_s
+									|| src_param->sw_mode
+											== dm_sw_4kb_s_x
+									|| src_param->sw_mode
+											== dm_sw_64kb_s
+									|| src_param->sw_mode
+											== dm_sw_64kb_s_t
+									|| src_param->sw_mode
+											== dm_sw_64kb_s_x
+									|| src_param->sw_mode
+											== dm_sw_var_s
+									|| src_param->sw_mode
+											== dm_sw_var_s_x)
+							&& src_param->source_scan == dm_horz)) {
+				/* do nothing, just keep code structure from Gabes vba */
+			} else {
+				plane->swath_height_y = plane->swath_height_y / 2;
+			}
+		} else {
+			if (src_param->sw_mode == dm_sw_linear) {
+				/* do nothing, just keep code structure from Gabes vba */
+			} else if (src_param->source_format == dm_420_8
+					&& src_param->source_scan == dm_horz) {
+				plane->swath_height_y = plane->swath_height_y / 2;
+			} else if (src_param->source_format == dm_420_10
+					&& src_param->source_scan == dm_horz) {
+				plane->swath_height_c = plane->swath_height_c / 2;
+			}
+		}
+	}
+
+	if (plane->swath_height_c == 0) {
+		plane->det_buffer_size_y = mode_lib->ip.det_buffer_size_kbytes * 1024.0;
+	} else if (plane->swath_height_c <= plane->swath_height_y) {
+		plane->det_buffer_size_y = mode_lib->ip.det_buffer_size_kbytes * 1024.0 / 2.0;
+	} else {
+		plane->det_buffer_size_y = mode_lib->ip.det_buffer_size_kbytes * 1024.0 * 2.0 / 3.0;
+	}
+}
+
+static void calc_display_pipe_line_delivery_time(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_planes; i++) {
+		if (planes[i].v_ratio <= 1.0) {
+			planes[i].display_pipe_line_delivery_time = planes[i].swath_width_y
+					* planes[i].num_dpp / planes[i].h_ratio
+					/ planes[i].pixclk_mhz;
+		} else {
+			double dchub_pscl_bw_per_clk;
+
+			if (planes[i].h_ratio > 1) {
+				double num_hscl_kernels;
+
+				num_hscl_kernels = dml_ceil((double) planes[i].h_taps / 6);
+				dchub_pscl_bw_per_clk =
+						dml_min(
+								(double) mode_lib->ip.max_dchub_pscl_bw_pix_per_clk,
+								mode_lib->ip.max_pscl_lb_bw_pix_per_clk
+										* planes[i].h_ratio
+										/ num_hscl_kernels);
+			} else {
+				dchub_pscl_bw_per_clk =
+						dml_min(
+								(double) mode_lib->ip.max_dchub_pscl_bw_pix_per_clk,
+								(double) mode_lib->ip.max_pscl_lb_bw_pix_per_clk);
+			}
+
+			planes[i].display_pipe_line_delivery_time = planes[i].swath_width_y
+					/ dchub_pscl_bw_per_clk / planes[i].dppclk_mhz;
+		}
+	}
+}
+
+static double calc_total_data_read_bw(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	double val = 0.0;
+	unsigned int i;
+
+	for (i = 0; i < num_planes; i++) {
+		double swath_width_y_plane = planes[i].swath_width_y * planes[i].num_dpp;
+
+		planes[i].read_bw = swath_width_y_plane
+				* (dml_ceil(planes[i].bytes_per_pixel_y)
+						+ dml_ceil_2(planes[i].bytes_per_pixel_c) / 2)
+				/ (planes[i].h_total / planes[i].pixclk_mhz) * planes[i].v_ratio;
+
+		val += planes[i].read_bw;
+
+		DTRACE("plane[%d] start", i);
+		DTRACE("read_bw = %f", planes[i].read_bw);
+		DTRACE("plane[%d] end", i);
+	}
+
+	return val;
+}
+
+double dml_wm_calc_total_data_read_bw(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	return calc_total_data_read_bw(mode_lib, planes, num_planes);
+}
+
+static double calc_dcfclk_mhz(
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	double dcfclk_mhz = -1.0;
+	unsigned int i;
+
+	for (i = 0; i < num_planes; i++) {
+		/* voltage and dcfclk must be the same for all pipes */
+		ASSERT(dcfclk_mhz == -1.0 || dcfclk_mhz == planes[i].dcfclk_mhz);
+		dcfclk_mhz = planes[i].dcfclk_mhz;
+	}
+
+	return dcfclk_mhz;
+}
+
+static enum voltage_state find_voltage(
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	int voltage = -1;
+	unsigned int i;
+
+	for (i = 0; i < num_planes; i++) {
+		ASSERT(voltage == -1 || voltage == planes[i].voltage);
+		voltage = planes[i].voltage;
+	}
+
+	return (enum voltage_state) voltage;
+}
+
+static bool find_dcc_enable(struct _vcs_dpi_wm_calc_pipe_params_st *planes, unsigned int num_planes)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_planes; i++) {
+		if (planes[i].dcc_enable) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+static double calc_return_bw(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	struct _vcs_dpi_soc_bounding_box_st *soc;
+	double return_bw_mbps;
+	double dcfclk_mhz;
+	double return_bus_bw;
+	enum voltage_state voltage;
+	double return_bw_to_dcn;
+	bool dcc_enable;
+	double rob_chunk_diff;
+	double urgent_latency_traffic;
+	double critical_compression;
+	struct _vcs_dpi_voltage_scaling_st state;
+
+	soc = &mode_lib->soc;
+
+	dcfclk_mhz = calc_dcfclk_mhz(planes, num_planes);
+	return_bus_bw = dcfclk_mhz * soc->return_bus_width_bytes;
+
+	DTRACE("INTERMEDIATE dcfclk_mhz        = %f", dcfclk_mhz);
+	DTRACE("INTERMEDIATE return_bus_bw        = %f", return_bus_bw);
+
+	voltage = find_voltage(planes, num_planes);
+	return_bw_to_dcn = dml_socbb_return_bw_mhz(soc, voltage);
+
+	dcc_enable = find_dcc_enable(planes, num_planes);
+
+	return_bw_mbps = return_bw_to_dcn;
+	DTRACE("INTERMEDIATE return_bw_mbps        = %f", return_bw_mbps);
+
+	rob_chunk_diff =
+			(mode_lib->ip.rob_buffer_size_kbytes - mode_lib->ip.pixel_chunk_size_kbytes)
+					* 1024.0;
+	DTRACE("INTERMEDIATE rob_chunk_diff        = %f", rob_chunk_diff);
+
+	if (dcc_enable && return_bw_to_dcn > return_bus_bw / 4) {
+		double dcc_return_bw =
+				return_bw_to_dcn * 4.0
+						* (1.0
+								- soc->urgent_latency_us
+										/ (rob_chunk_diff
+												/ (return_bw_to_dcn
+														- return_bus_bw
+																/ 4.0)
+												+ soc->urgent_latency_us));
+		return_bw_mbps = dml_min(return_bw_mbps, dcc_return_bw);
+		DTRACE("INTERMEDIATE dcc_return_bw        = %f", dcc_return_bw);
+	}
+
+	urgent_latency_traffic = return_bus_bw * soc->urgent_latency_us;
+	DTRACE("INTERMEDIATE urgent_latency_traffic        = %f", urgent_latency_traffic);
+	critical_compression = 2.0 * urgent_latency_traffic
+			/ (return_bw_to_dcn * soc->urgent_latency_us + rob_chunk_diff);
+	DTRACE("INTERMEDIATE critical_compression        = %f", critical_compression);
+
+	if (dcc_enable && critical_compression > 1.0 && critical_compression < 4.0) {
+		double crit_return_bw = (4 * return_bw_to_dcn * rob_chunk_diff
+				* urgent_latency_traffic);
+		crit_return_bw = crit_return_bw
+				/ dml_pow(
+						return_bw_to_dcn * soc->urgent_latency_us
+								+ rob_chunk_diff,
+						2);
+		DTRACE("INTERMEDIATE critical_return_bw        = %f", crit_return_bw);
+		return_bw_mbps = dml_min(return_bw_mbps, crit_return_bw);
+	}
+
+	/* Gabe does this again for some reason using the value of return_bw_mpbs from the previous calculation
+	 * and a lightly different return_bw_to_dcn
+	 */
+
+	state = dml_socbb_voltage_scaling(soc, voltage);
+	return_bw_to_dcn = dml_min(
+			soc->return_bus_width_bytes * dcfclk_mhz,
+			state.dram_bw_per_chan_gbps * 1000.0 * (double) soc->num_chans);
+
+	DTRACE("INTERMEDIATE rob_chunk_diff        = %f", rob_chunk_diff);
+
+	if (dcc_enable && return_bw_to_dcn > return_bus_bw / 4) {
+		double dcc_return_bw =
+				return_bw_to_dcn * 4.0
+						* (1.0
+								- soc->urgent_latency_us
+										/ (rob_chunk_diff
+												/ (return_bw_to_dcn
+														- return_bus_bw
+																/ 4.0)
+												+ soc->urgent_latency_us));
+		return_bw_mbps = dml_min(return_bw_mbps, dcc_return_bw);
+		DTRACE("INTERMEDIATE dcc_return_bw        = %f", dcc_return_bw);
+	}
+
+	urgent_latency_traffic = return_bus_bw * soc->urgent_latency_us;
+	DTRACE("INTERMEDIATE urgent_latency_traffic        = %f", urgent_latency_traffic);
+	critical_compression = 2.0 * urgent_latency_traffic
+			/ (return_bw_to_dcn * soc->urgent_latency_us + rob_chunk_diff);
+	DTRACE("INTERMEDIATE critical_compression        = %f", critical_compression);
+
+	/* problem here? */
+	if (dcc_enable && critical_compression > 1.0 && critical_compression < 4.0) {
+		double crit_return_bw = (4 * return_bw_to_dcn * rob_chunk_diff
+				* urgent_latency_traffic);
+		crit_return_bw = crit_return_bw
+				/ dml_pow(
+						return_bw_to_dcn * soc->urgent_latency_us
+								+ rob_chunk_diff,
+						2);
+		DTRACE("INTERMEDIATE critical_return_bw       = %f", crit_return_bw);
+		DTRACE("INTERMEDIATE return_bw_to_dcn         = %f", return_bw_to_dcn);
+		DTRACE("INTERMEDIATE rob_chunk_diff           = %f", rob_chunk_diff);
+		DTRACE("INTERMEDIATE urgent_latency_traffic   = %f", urgent_latency_traffic);
+
+		return_bw_mbps = dml_min(return_bw_mbps, crit_return_bw);
+	}
+
+	DTRACE("INTERMEDIATE final return_bw_mbps        = %f", return_bw_mbps);
+	return return_bw_mbps;
+}
+
+double dml_wm_calc_return_bw(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	return calc_return_bw(mode_lib, planes, num_planes);
+}
+
+static double calc_last_pixel_of_line_extra_wm_us(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	double val = 0.0;
+	double total_data_read_bw = calc_total_data_read_bw(mode_lib, planes, num_planes);
+	int voltage = -1;
+	unsigned int i;
+	double return_bw_mbps;
+
+	for (i = 0; i < num_planes; i++) {
+		/* voltage mode must be the same for all pipes */
+		ASSERT(voltage == -1 || voltage == planes[i].voltage);
+		voltage = planes[i].voltage;
+	}
+	return_bw_mbps = calc_return_bw(mode_lib, planes, num_planes);
+
+	for (i = 0; i < num_planes; i++) {
+		double bytes_pp_y = dml_ceil(planes[i].bytes_per_pixel_y);
+		double bytes_pp_c = dml_ceil_2(planes[i].bytes_per_pixel_c);
+		double swath_bytes_y = (double) planes[i].swath_width_y
+				* (double) planes[i].swath_height_y * (double) bytes_pp_y;
+		double swath_bytes_c = ((double) planes[i].swath_width_y / 2.0)
+				* (double) planes[i].swath_height_c * (double) bytes_pp_c;
+		double data_fabric_line_delivery_time = (swath_bytes_y + swath_bytes_c)
+				/ (return_bw_mbps * planes[i].read_bw / (double) planes[i].num_dpp
+						/ total_data_read_bw);
+
+		DTRACE(
+				"bytes_pp_y = %f, swath_width_y = %f, swath_height_y = %f, swath_bytes_y = %f",
+				bytes_pp_y,
+				(double) planes[i].swath_width_y,
+				(double) planes[i].swath_height_y,
+				swath_bytes_y);
+		DTRACE(
+				"bytes_pp_c = %f, swath_width_c = %f, swath_height_c = %f, swath_bytes_c = %f",
+				bytes_pp_c,
+				((double) planes[i].swath_width_y / 2.0),
+				(double) planes[i].swath_height_c,
+				swath_bytes_c);
+		DTRACE(
+				"return_bw_mbps = %f, read_bw = %f, num_dpp = %d, total_data_read_bw = %f",
+				return_bw_mbps,
+				planes[i].read_bw,
+				planes[i].num_dpp,
+				total_data_read_bw);
+		DTRACE("data_fabric_line_delivery_time  = %f", data_fabric_line_delivery_time);
+		DTRACE(
+				"display_pipe_line_delivery_time = %f",
+				planes[i].display_pipe_line_delivery_time);
+
+		val = dml_max(
+				val,
+				data_fabric_line_delivery_time
+						- planes[i].display_pipe_line_delivery_time);
+	}
+
+	DTRACE("last_pixel_of_line_extra_wm is %f us", val);
+	return val;
+}
+
+static bool calc_pte_enable(struct _vcs_dpi_wm_calc_pipe_params_st *planes, unsigned int num_planes)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_planes; i++) {
+		if (planes[i].pte_enable) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+static void calc_lines_in_det_y(struct _vcs_dpi_wm_calc_pipe_params_st *plane)
+{
+	plane->lines_in_det_y = plane->det_buffer_size_y / plane->bytes_per_pixel_y
+			/ plane->swath_width_y;
+	plane->lines_in_det_y_rounded_down_to_swath = dml_floor(
+			(double) plane->lines_in_det_y / plane->swath_height_y)
+			* plane->swath_height_y;
+	plane->full_det_buffering_time = plane->lines_in_det_y_rounded_down_to_swath
+			* (plane->h_total / plane->pixclk_mhz);
+}
+
+/* CHECKME: not obviously 1:1 with calculation described in architectural
+ * document or spreadsheet */
+static void calc_dcfclk_deepsleep_mhz_per_plane(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *plane)
+{
+	double bus_width_per_pixel;
+
+	if (plane->swath_height_c == 0) {
+		bus_width_per_pixel = dml_ceil(plane->bytes_per_pixel_y) / 64;
+	} else {
+		double bus_width_per_pixel_c;
+
+		bus_width_per_pixel = dml_ceil(plane->bytes_per_pixel_y) / 32;
+		bus_width_per_pixel_c = dml_ceil(plane->bytes_per_pixel_c) / 32;
+		if (bus_width_per_pixel < bus_width_per_pixel_c)
+			bus_width_per_pixel = bus_width_per_pixel_c;
+	}
+
+	if (plane->v_ratio <= 1) {
+		plane->dcfclk_deepsleep_mhz_per_plane = 1.1 * plane->pixclk_mhz / plane->num_dpp
+				* plane->h_ratio * bus_width_per_pixel;
+	} else if (plane->h_ratio > 1) {
+		double num_hscl_kernels = dml_ceil((double) plane->h_taps / 6);
+		double dchub_pscl_bw_per_clk = dml_min(
+				(double) mode_lib->ip.max_dchub_pscl_bw_pix_per_clk,
+				mode_lib->ip.max_pscl_lb_bw_pix_per_clk * plane->h_ratio
+						/ num_hscl_kernels);
+
+		plane->dcfclk_deepsleep_mhz_per_plane = 1.1 * plane->dppclk_mhz
+				* dchub_pscl_bw_per_clk * bus_width_per_pixel;
+	} else {
+		double dchub_pscl_bw_per_clk = dml_min(
+				(double) mode_lib->ip.max_dchub_pscl_bw_pix_per_clk,
+				(double) mode_lib->ip.max_pscl_lb_bw_pix_per_clk);
+
+		plane->dcfclk_deepsleep_mhz_per_plane = 1.1 * plane->dppclk_mhz
+				* dchub_pscl_bw_per_clk * bus_width_per_pixel;
+	}
+
+	plane->dcfclk_deepsleep_mhz_per_plane = dml_max(
+			plane->dcfclk_deepsleep_mhz_per_plane,
+			plane->pixclk_mhz / 16);
+}
+
+/* Implementation of expected stutter efficiency from DCN1_Display_Mode.docx */
+double dml_wm_expected_stutter_eff_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes)
+{
+	double min_full_det_buffering_time_us;
+	double frame_time_for_min_full_det_buffering_time_us = 0.0;
+	struct _vcs_dpi_wm_calc_pipe_params_st *planes = mode_lib->wm_param;
+	unsigned int num_planes;
+	unsigned int i;
+	double total_data_read_bw_mbps;
+	double average_read_bw_gbps;
+	double min_full_det_buffer_size_bytes;
+	double rob_fill_size_bytes;
+	double part_of_burst_that_fits_in_rob;
+	int voltage;
+	double dcfclk_mhz;
+	unsigned int total_writeback;
+	double return_bw_mbps;
+	double stutter_burst_time_us;
+	double stutter_eff_not_including_vblank;
+	double smallest_vblank_us;
+	double stutter_eff;
+
+	memset(mode_lib->wm_param, 0, sizeof(mode_lib->wm_param));
+	DTRACE("calculating expected stutter efficiency");
+
+	num_planes = dml_wm_e2e_to_wm(mode_lib, e2e, num_pipes, planes);
+
+	for (i = 0; i < num_planes; i++) {
+		calc_lines_in_det_y(&planes[i]);
+
+		DTRACE("swath width y plane                   %d = %d", i, planes[i].swath_width_y);
+		DTRACE("swath height y plane                  %d = %d", i, planes[i].swath_height_y);
+		DTRACE(
+				"bytes per pixel det y plane           %d = %f",
+				i,
+				planes[i].bytes_per_pixel_y);
+		DTRACE(
+				"bytes per pixel det c plane           %d = %f",
+				i,
+				planes[i].bytes_per_pixel_c);
+		DTRACE(
+				"det buffer size plane                 %d = %d",
+				i,
+				planes[i].det_buffer_size_y);
+		DTRACE("lines in det plane                    %d = %d", i, planes[i].lines_in_det_y);
+		DTRACE(
+				"lines in det rounded to swaths plane  %d = %d",
+				i,
+				planes[i].lines_in_det_y_rounded_down_to_swath);
+	}
+
+	min_full_det_buffering_time_us = 9999.0;
+	for (i = 0; i < num_planes; i++) {
+		if (planes[i].full_det_buffering_time < min_full_det_buffering_time_us) {
+			min_full_det_buffering_time_us = planes[i].full_det_buffering_time;
+			frame_time_for_min_full_det_buffering_time_us = (double) planes[i].v_total
+					* planes[i].h_total / planes[i].pixclk_mhz;
+		}
+	}
+
+	DTRACE("INTERMEDIATE: min_full_det_buffering_time_us = %f", min_full_det_buffering_time_us);
+
+	total_data_read_bw_mbps = calc_total_data_read_bw(mode_lib, planes, num_planes);
+
+	average_read_bw_gbps = 0.0;
+
+	for (i = 0; i < num_planes; i++) {
+		if (planes[i].dcc_enable) {
+			average_read_bw_gbps += planes[i].read_bw / planes[i].dcc_rate / 1000;
+		} else {
+			average_read_bw_gbps += planes[i].read_bw / 1000;
+		}
+
+		if (planes[i].dcc_enable) {
+			average_read_bw_gbps += planes[i].read_bw / 1000 / 256;
+		}
+
+		if (planes[i].pte_enable) {
+			average_read_bw_gbps += planes[i].read_bw / 1000 / 512;
+		}
+	}
+
+	min_full_det_buffer_size_bytes = min_full_det_buffering_time_us * total_data_read_bw_mbps;
+	rob_fill_size_bytes = mode_lib->ip.rob_buffer_size_kbytes * 1024 * total_data_read_bw_mbps
+			/ (average_read_bw_gbps * 1000);
+	part_of_burst_that_fits_in_rob = dml_min(
+			min_full_det_buffer_size_bytes,
+			rob_fill_size_bytes);
+
+	voltage = -1;
+	dcfclk_mhz = -1.0;
+	total_writeback = 0;
+
+	for (i = 0; i < num_pipes; i++) {
+		/* voltage and dcfclk must be the same for all pipes */
+		ASSERT(voltage == -1 || voltage == e2e[i].clks_cfg.voltage);
+		voltage = e2e[i].clks_cfg.voltage;
+		ASSERT(dcfclk_mhz == -1.0 || dcfclk_mhz == e2e[i].clks_cfg.dcfclk_mhz);
+		dcfclk_mhz = e2e[i].clks_cfg.dcfclk_mhz;
+
+		if (e2e[i].dout.output_type == dm_wb)
+			total_writeback++;
+	}
+
+	return_bw_mbps = calc_return_bw(mode_lib, planes, num_planes);
+
+	DTRACE("INTERMEDIATE: part_of_burst_that_fits_in_rob = %f", part_of_burst_that_fits_in_rob);
+	DTRACE("INTERMEDIATE: average_read_bw_gbps = %f", average_read_bw_gbps);
+	DTRACE("INTERMEDIATE: total_data_read_bw_mbps = %f", total_data_read_bw_mbps);
+	DTRACE("INTERMEDIATE: return_bw_mbps = %f", return_bw_mbps);
+
+	stutter_burst_time_us = part_of_burst_that_fits_in_rob * (average_read_bw_gbps * 1000)
+			/ total_data_read_bw_mbps / return_bw_mbps
+			+ (min_full_det_buffering_time_us * total_data_read_bw_mbps
+					- part_of_burst_that_fits_in_rob) / (dcfclk_mhz * 64);
+	DTRACE("INTERMEDIATE: stutter_burst_time_us = %f", stutter_burst_time_us);
+
+	if (total_writeback == 0) {
+		stutter_eff_not_including_vblank = (1.0
+				- ((mode_lib->soc.sr_exit_time_us + stutter_burst_time_us)
+						/ min_full_det_buffering_time_us)) * 100.0;
+	} else {
+		stutter_eff_not_including_vblank = 0.0;
+	}
+
+	DTRACE("stutter_efficiency_not_including_vblank = %f", stutter_eff_not_including_vblank);
+
+	smallest_vblank_us = 9999.0;
+
+	for (i = 0; i < num_pipes; i++) {
+		double vblank_us;
+		if (e2e[i].pipe.dest.syncronized_vblank_all_planes != 0 || num_pipes == 1) {
+			vblank_us = (double) (e2e[i].pipe.dest.vtotal + 1
+					- e2e[i].pipe.dest.vblank_start
+					+ e2e[i].pipe.dest.vblank_end * e2e[i].pipe.dest.htotal)
+					/ e2e[i].pipe.dest.pixel_rate_mhz;
+		} else {
+			vblank_us = 0.0;
+		}
+
+		smallest_vblank_us = dml_min(smallest_vblank_us, vblank_us);
+	}
+
+	DTRACE("smallest vblank = %f us", smallest_vblank_us);
+
+	stutter_eff = 100.0
+			* (((stutter_eff_not_including_vblank / 100.0)
+					* (frame_time_for_min_full_det_buffering_time_us
+							- smallest_vblank_us) + smallest_vblank_us)
+					/ frame_time_for_min_full_det_buffering_time_us);
+
+	DTRACE("stutter_efficiency = %f", stutter_eff);
+
+	return stutter_eff_not_including_vblank;
+}
+
+double dml_wm_expected_stutter_eff_e2e_with_vblank(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes)
+{
+	double min_full_det_buffering_time_us;
+	double frame_time_for_min_full_det_buffering_time_us = 0.0;
+	struct _vcs_dpi_wm_calc_pipe_params_st *planes = mode_lib->wm_param;
+	unsigned int num_planes;
+	unsigned int i;
+	double total_data_read_bw_mbps;
+	double average_read_bw_gbps;
+	double min_full_det_buffer_size_bytes;
+	double rob_fill_size_bytes;
+	double part_of_burst_that_fits_in_rob;
+	int voltage;
+	double dcfclk_mhz;
+	unsigned int total_writeback;
+	double return_bw_mbps;
+	double stutter_burst_time_us;
+	double stutter_eff_not_including_vblank;
+	double smallest_vblank_us;
+	double stutter_eff;
+
+	memset(mode_lib->wm_param, 0, sizeof(mode_lib->wm_param));
+	num_planes = dml_wm_e2e_to_wm(mode_lib, e2e, num_pipes, planes);
+
+	for (i = 0; i < num_planes; i++) {
+		calc_lines_in_det_y(&planes[i]);
+	}
+
+	min_full_det_buffering_time_us = 9999.0;
+	for (i = 0; i < num_planes; i++) {
+		if (planes[i].full_det_buffering_time < min_full_det_buffering_time_us) {
+			min_full_det_buffering_time_us = planes[i].full_det_buffering_time;
+			frame_time_for_min_full_det_buffering_time_us = (double) planes[i].v_total
+					* planes[i].h_total / planes[i].pixclk_mhz;
+		}
+	}
+
+	total_data_read_bw_mbps = calc_total_data_read_bw(mode_lib, planes, num_planes);
+	average_read_bw_gbps = 0.0;
+
+	for (i = 0; i < num_planes; i++) {
+		if (planes[i].dcc_enable) {
+			average_read_bw_gbps += planes[i].read_bw / planes[i].dcc_rate / 1000;
+		} else {
+			average_read_bw_gbps += planes[i].read_bw / 1000;
+		}
+
+		if (planes[i].dcc_enable) {
+			average_read_bw_gbps += planes[i].read_bw / 1000 / 256;
+		}
+
+		if (planes[i].pte_enable) {
+			average_read_bw_gbps += planes[i].read_bw / 1000 / 512;
+		}
+	}
+
+	min_full_det_buffer_size_bytes = min_full_det_buffering_time_us * total_data_read_bw_mbps;
+	rob_fill_size_bytes = mode_lib->ip.rob_buffer_size_kbytes * 1024 * total_data_read_bw_mbps
+			/ (average_read_bw_gbps * 1000);
+	part_of_burst_that_fits_in_rob = dml_min(
+			min_full_det_buffer_size_bytes,
+			rob_fill_size_bytes);
+
+	voltage = -1;
+	dcfclk_mhz = -1.0;
+	total_writeback = 0;
+
+	for (i = 0; i < num_pipes; i++) {
+		/* voltage and dcfclk must be the same for all pipes */
+		ASSERT(voltage == -1 || voltage == e2e[i].clks_cfg.voltage);
+		voltage = e2e[i].clks_cfg.voltage;
+		ASSERT(dcfclk_mhz == -1.0 || dcfclk_mhz == e2e[i].clks_cfg.dcfclk_mhz);
+		dcfclk_mhz = e2e[i].clks_cfg.dcfclk_mhz;
+
+		if (e2e[i].dout.output_type == dm_wb)
+			total_writeback++;
+	}
+
+	return_bw_mbps = calc_return_bw(mode_lib, planes, num_planes);
+
+	stutter_burst_time_us = part_of_burst_that_fits_in_rob * (average_read_bw_gbps * 1000)
+			/ total_data_read_bw_mbps / return_bw_mbps
+			+ (min_full_det_buffering_time_us * total_data_read_bw_mbps
+					- part_of_burst_that_fits_in_rob) / (dcfclk_mhz * 64);
+
+	if (total_writeback == 0) {
+		stutter_eff_not_including_vblank = (1.0
+				- ((mode_lib->soc.sr_exit_time_us + stutter_burst_time_us)
+						/ min_full_det_buffering_time_us)) * 100.0;
+	} else {
+		stutter_eff_not_including_vblank = 0.0;
+	}
+
+	smallest_vblank_us = 9999.0;
+
+	for (i = 0; i < num_pipes; i++) {
+		double vblank_us;
+		if (e2e[i].pipe.dest.syncronized_vblank_all_planes != 0 || num_pipes == 1) {
+			vblank_us = (double) (e2e[i].pipe.dest.vtotal + 1
+					- e2e[i].pipe.dest.vblank_start
+					+ e2e[i].pipe.dest.vblank_end * e2e[i].pipe.dest.htotal)
+					/ e2e[i].pipe.dest.pixel_rate_mhz;
+		} else {
+			vblank_us = 0.0;
+		}
+
+		smallest_vblank_us = dml_min(smallest_vblank_us, vblank_us);
+	}
+
+	stutter_eff = 100.0
+			* (((stutter_eff_not_including_vblank / 100.0)
+					* (frame_time_for_min_full_det_buffering_time_us
+							- smallest_vblank_us) + smallest_vblank_us)
+					/ frame_time_for_min_full_det_buffering_time_us);
+
+
+	return stutter_eff;
+}
+
+double urgent_extra_calc(
+		struct display_mode_lib *mode_lib,
+		double dcfclk_mhz,
+		double return_bw_mbps,
+		unsigned int total_active_dpp,
+		unsigned int total_dcc_active_dpp)
+{
+	double urgent_extra_latency_us = 0.0;
+	double urgent_round_trip_ooo_latency_us;
+
+	urgent_round_trip_ooo_latency_us =
+			(((double) mode_lib->soc.round_trip_ping_latency_dcfclk_cycles + 32)
+					/ dcfclk_mhz)
+					+ (((double) (mode_lib->soc.urgent_out_of_order_return_per_channel_bytes
+							* mode_lib->soc.num_chans)) / return_bw_mbps);
+
+	DTRACE(
+			"INTERMEDIATE round_trip_ping_latency_dcfclk_cycles        = %d",
+			mode_lib->soc.round_trip_ping_latency_dcfclk_cycles);
+	DTRACE("INTERMEDIATE dcfclk_mhz                                   = %f", dcfclk_mhz);
+	DTRACE(
+			"INTERMEDIATE urgent_out_of_order_return_per_channel_bytes = %d",
+			mode_lib->soc.urgent_out_of_order_return_per_channel_bytes);
+
+	urgent_extra_latency_us = urgent_round_trip_ooo_latency_us
+			+ ((double) total_active_dpp * mode_lib->ip.pixel_chunk_size_kbytes
+					+ (double) total_dcc_active_dpp
+							* mode_lib->ip.meta_chunk_size_kbytes)
+					* 1024.0 / return_bw_mbps; /* to us */
+
+	DTRACE(
+			"INTERMEDIATE urgent_round_trip_ooo_latency_us  = %f",
+			urgent_round_trip_ooo_latency_us);
+	DTRACE("INTERMEDIATE total_active_dpp                  = %d", total_active_dpp);
+	DTRACE(
+			"INTERMEDIATE pixel_chunk_size_kbytes           = %d",
+			mode_lib->ip.pixel_chunk_size_kbytes);
+	DTRACE("INTERMEDIATE total_dcc_active_dpp              = %d", total_dcc_active_dpp);
+	DTRACE(
+			"INTERMEDIATE meta_chunk_size_kbyte             = %d",
+			mode_lib->ip.meta_chunk_size_kbytes);
+	DTRACE("INTERMEDIATE return_bw_mbps                    = %f", return_bw_mbps);
+
+	return urgent_extra_latency_us;
+}
+
+double dml_wm_urgent_extra_max(struct display_mode_lib *mode_lib)
+{
+	unsigned int total_active_dpp = DC__NUM_DPP;
+	unsigned int total_dcc_active_dpp = total_active_dpp;
+	double urgent_extra_latency_us = 0.0;
+	double dcfclk_mhz = 0.0;
+	double return_bw_mbps = 0.0;
+	int voltage = dm_vmin;
+
+	/* use minimum voltage */
+	return_bw_mbps = dml_socbb_return_bw_mhz(&mode_lib->soc, (enum voltage_state) voltage);
+	/* use minimum dcfclk */
+	dcfclk_mhz = mode_lib->soc.vmin.dcfclk_mhz;
+	/* use max dpps and dpps with dcc */
+
+	urgent_extra_latency_us = urgent_extra_calc(
+			mode_lib,
+			dcfclk_mhz,
+			return_bw_mbps,
+			total_active_dpp,
+			total_dcc_active_dpp);
+
+	DTRACE("urgent extra max = %f", urgent_extra_latency_us);
+	return urgent_extra_latency_us;
+}
+
+double dml_wm_urgent_extra(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *pipes,
+		unsigned int num_pipes)
+{
+	unsigned int total_active_dpp = 0;
+	unsigned int total_dcc_active_dpp = 0;
+	double urgent_extra_latency_us = 0.0;
+	double dcfclk_mhz = 0.0;
+	double return_bw_mbps = 0.0;
+	int voltage = -1;
+	bool pte_enable = false;
+	unsigned int i;
+
+	for (i = 0; i < num_pipes; i++) {
+		/* num_dpp must be greater than 0 */
+		ASSERT(pipes[i].num_dpp > 0);
+
+		/* voltage mode must be the same for all pipes */
+		ASSERT(voltage == -1 || voltage == pipes[i].voltage);
+		voltage = pipes[i].voltage;
+
+		/* dcfclk for all pipes must be the same */
+		ASSERT(dcfclk_mhz == 0.0 || dcfclk_mhz == pipes[i].dcfclk_mhz);
+		dcfclk_mhz = pipes[i].dcfclk_mhz;
+
+		total_active_dpp += pipes[i].num_dpp;
+
+		if (pipes[i].dcc_enable) {
+			total_dcc_active_dpp += pipes[i].num_dpp;
+		}
+	}
+
+	DTRACE("total active dpps %d", total_active_dpp);
+	DTRACE("total active dpps with dcc %d", total_dcc_active_dpp);
+	DTRACE("voltage state is %d", voltage);
+
+	return_bw_mbps = calc_return_bw(mode_lib, pipes, num_pipes);
+
+	DTRACE("return_bandwidth is %f MBps", return_bw_mbps);
+
+	pte_enable = calc_pte_enable(pipes, num_pipes);
+
+	/* calculate the maximum extra latency just for comparison purposes */
+	/* dml_wm_urgent_extra_max(); */
+	urgent_extra_latency_us = urgent_extra_calc(
+			mode_lib,
+			dcfclk_mhz,
+			return_bw_mbps,
+			total_active_dpp,
+			total_dcc_active_dpp);
+
+	DTRACE("INTERMEDIATE urgent_extra_latency_us_before_pte = %f", urgent_extra_latency_us);
+
+	if (pte_enable) {
+		urgent_extra_latency_us += total_active_dpp * mode_lib->ip.pte_chunk_size_kbytes
+				* 1024.0 / return_bw_mbps;
+
+		DTRACE("INTERMEDIATE pte_enable = true");
+		DTRACE("INTERMEDIATE total_active_dpp      = %d", total_active_dpp);
+		DTRACE(
+				"INTERMEDIATE pte_chunk_size_kbytes = %d",
+				mode_lib->ip.pte_chunk_size_kbytes);
+		DTRACE("INTERMEDIATE return_bw_mbps        = %f", return_bw_mbps);
+	}
+
+	return urgent_extra_latency_us;
+}
+
+double dml_wm_urgent_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes)
+{
+	struct _vcs_dpi_wm_calc_pipe_params_st *wm = mode_lib->wm_param;
+	unsigned int combined_pipes;
+	double urgent_wm;
+
+	memset(mode_lib->wm_param, 0, sizeof(mode_lib->wm_param));
+	combined_pipes = dml_wm_e2e_to_wm(mode_lib, pipes, num_pipes, wm);
+
+	urgent_wm = dml_wm_urgent(mode_lib, wm, combined_pipes);
+
+	return urgent_wm;
+}
+
+double dml_wm_urgent(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	double urgent_watermark;
+	double urgent_extra_latency_us;
+	double last_pixel_of_line_extra_wm_us = 0.0;
+
+	DTRACE("calculating urgent watermark");
+	calc_display_pipe_line_delivery_time(mode_lib, planes, num_planes);
+	urgent_extra_latency_us = dml_wm_urgent_extra(mode_lib, planes, num_planes);
+
+	last_pixel_of_line_extra_wm_us = calc_last_pixel_of_line_extra_wm_us(
+			mode_lib,
+			planes,
+			num_planes);
+
+	urgent_watermark = mode_lib->soc.urgent_latency_us + last_pixel_of_line_extra_wm_us
+			+ urgent_extra_latency_us;
+
+	DTRACE("INTERMEDIATE urgent_latency_us              = %f", mode_lib->soc.urgent_latency_us);
+	DTRACE("INTERMEDIATE last_pixel_of_line_extra_wm_us = %f", last_pixel_of_line_extra_wm_us);
+	DTRACE("INTERMEDIATE urgent_extra_latency_us        = %f", urgent_extra_latency_us);
+
+	DTRACE("urgent_watermark_us = %f", urgent_watermark);
+	return urgent_watermark;
+}
+
+double dml_wm_pte_meta_urgent(struct display_mode_lib *mode_lib, double urgent_wm_us)
+{
+	double val;
+
+	val = urgent_wm_us + 2.0 * mode_lib->soc.urgent_latency_us;
+	DTRACE("pte_meta_urgent_watermark_us = %f", val);
+
+	return val;
+}
+
+double dml_wm_dcfclk_deepsleep_mhz_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes)
+{
+	struct _vcs_dpi_wm_calc_pipe_params_st *planes = mode_lib->wm_param;
+	unsigned int num_planes;
+	double val;
+
+	memset(mode_lib->wm_param, 0, sizeof(mode_lib->wm_param));
+	num_planes = dml_wm_e2e_to_wm(mode_lib, pipes, num_pipes, planes);
+
+	val = dml_wm_dcfclk_deepsleep_mhz(mode_lib, planes, num_planes);
+
+	return val;
+}
+
+double dml_wm_dcfclk_deepsleep_mhz(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes)
+{
+	double val = 8.0;
+	unsigned int i;
+
+	for (i = 0; i < num_planes; i++) {
+		calc_dcfclk_deepsleep_mhz_per_plane(mode_lib, &planes[i]);
+
+		if (val < planes[i].dcfclk_deepsleep_mhz_per_plane) {
+			val = planes[i].dcfclk_deepsleep_mhz_per_plane;
+		}
+
+		DTRACE("plane[%d] start", i);
+		DTRACE("dcfclk_deepsleep_per_plane = %f", planes[i].dcfclk_deepsleep_mhz_per_plane);
+		DTRACE("plane[%d] end", i);
+	}
+
+	DTRACE("dcfclk_deepsleep_mhz = %f", val);
+
+	return val;
+}
+
+struct _vcs_dpi_cstate_pstate_watermarks_st dml_wm_cstate_pstate_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes)
+{
+	struct _vcs_dpi_wm_calc_pipe_params_st *wm = mode_lib->wm_param;
+	unsigned int combined_pipes;
+	struct _vcs_dpi_cstate_pstate_watermarks_st cstate_pstate_wm;
+
+	memset(mode_lib->wm_param, 0, sizeof(mode_lib->wm_param));
+	combined_pipes = dml_wm_e2e_to_wm(mode_lib, pipes, num_pipes, wm);
+	cstate_pstate_wm = dml_wm_cstate_pstate(mode_lib, wm, combined_pipes);
+
+
+	return cstate_pstate_wm;
+}
+
+struct _vcs_dpi_cstate_pstate_watermarks_st dml_wm_cstate_pstate(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *pipes,
+		unsigned int num_pipes)
+{
+	struct _vcs_dpi_cstate_pstate_watermarks_st wm;
+	double urgent_extra_latency_us;
+	double urgent_watermark_us;
+	double last_pixel_of_line_extra_wm_us;
+	double dcfclk_deepsleep_freq;
+
+	DTRACE("calculating cstate and pstate watermarks");
+	urgent_extra_latency_us = dml_wm_urgent_extra(mode_lib, pipes, num_pipes);
+	urgent_watermark_us = dml_wm_urgent(mode_lib, pipes, num_pipes);
+
+	last_pixel_of_line_extra_wm_us = calc_last_pixel_of_line_extra_wm_us(
+			mode_lib,
+			pipes,
+			num_pipes);
+	dcfclk_deepsleep_freq = dml_wm_dcfclk_deepsleep_mhz(mode_lib, pipes, num_pipes);
+
+	wm.cstate_exit_us = mode_lib->soc.sr_exit_time_us + last_pixel_of_line_extra_wm_us
+			+ urgent_extra_latency_us
+			+ mode_lib->ip.dcfclk_cstate_latency / dcfclk_deepsleep_freq;
+	wm.cstate_enter_plus_exit_us = mode_lib->soc.sr_enter_plus_exit_time_us
+			+ last_pixel_of_line_extra_wm_us + urgent_extra_latency_us;
+	wm.pstate_change_us = mode_lib->soc.dram_clock_change_latency_us + urgent_watermark_us;
+
+	DTRACE("stutter_exit_watermark_us = %f", wm.cstate_exit_us);
+	DTRACE("stutter_enter_plus_exit_watermark_us = %f", wm.cstate_enter_plus_exit_us);
+	DTRACE("dram_clock_change_watermark_us = %f", wm.pstate_change_us);
+
+	return wm;
+}
+
+double dml_wm_writeback_pstate_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes)
+{
+	struct _vcs_dpi_wm_calc_pipe_params_st *wm = mode_lib->wm_param;
+	unsigned int combined_pipes;
+
+	memset(mode_lib->wm_param, 0, sizeof(mode_lib->wm_param));
+	combined_pipes = dml_wm_e2e_to_wm(mode_lib, pipes, num_pipes, wm);
+
+
+	return dml_wm_writeback_pstate(mode_lib, wm, combined_pipes);
+}
+
+double dml_wm_writeback_pstate(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *pipes,
+		unsigned int num_pipes)
+{
+	unsigned int total_active_wb = 0;
+	double wm = 0.0;
+	double socclk_mhz = 0.0;
+	unsigned int i;
+
+	DTRACE("calculating wb pstate watermark");
+	for (i = 0; i < num_pipes; i++) {
+		if (pipes[i].output_type == dm_wb)
+			total_active_wb++;
+		ASSERT(socclk_mhz == 0.0 || socclk_mhz == pipes[i].socclk_mhz);
+		socclk_mhz = pipes[i].socclk_mhz;
+	}
+
+	DTRACE("total wb outputs %d", total_active_wb);
+	DTRACE("socclk frequency %f Mhz", socclk_mhz);
+
+	if (total_active_wb <= 1) {
+		wm = mode_lib->soc.writeback_dram_clock_change_latency_us;
+	} else {
+		wm = mode_lib->soc.writeback_dram_clock_change_latency_us
+				+ (mode_lib->ip.writeback_chunk_size_kbytes * 1024.0) / 32.0
+						/ socclk_mhz;
+	}
+
+	DTRACE("wb pstate watermark %f us", wm);
+	return wm;
+}
+
+unsigned int dml_wm_e2e_to_wm(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes,
+		struct _vcs_dpi_wm_calc_pipe_params_st *wm)
+{
+	unsigned int num_planes = 0;
+	bool visited[DC__NUM_PIPES];
+	unsigned int i, j;
+
+	for (i = 0; i < num_pipes; i++) {
+		visited[i] = false;
+	}
+
+	for (i = 0; i < num_pipes; i++) {
+		unsigned int num_dpp = 1;
+
+		if (visited[i]) {
+			continue;
+		}
+
+		visited[i] = true;
+
+		if (e2e[i].pipe.src.is_hsplit) {
+			for (j = i + 1; j < num_pipes; j++) {
+				if (e2e[j].pipe.src.is_hsplit && !visited[j]
+						&& (e2e[i].pipe.src.hsplit_grp
+								== e2e[j].pipe.src.hsplit_grp)) {
+					num_dpp++;
+					visited[j] = true;
+				}
+			}
+		}
+
+		wm[num_planes].num_dpp = num_dpp;
+		wm[num_planes].voltage = e2e[i].clks_cfg.voltage;
+		wm[num_planes].output_type = e2e[i].dout.output_type;
+		wm[num_planes].dcfclk_mhz = e2e[i].clks_cfg.dcfclk_mhz;
+		wm[num_planes].socclk_mhz = e2e[i].clks_cfg.socclk_mhz;
+		wm[num_planes].dppclk_mhz = e2e[i].clks_cfg.dppclk_mhz;
+		wm[num_planes].pixclk_mhz = e2e[i].pipe.dest.pixel_rate_mhz;
+
+		wm[num_planes].pte_enable = e2e[i].pipe.src.vm;
+		wm[num_planes].dcc_enable = e2e[i].pipe.src.dcc;
+		wm[num_planes].dcc_rate = e2e[i].pipe.src.dcc_rate;
+
+		get_bytes_per_pixel(
+				(enum source_format_class) e2e[i].pipe.src.source_format,
+				&wm[num_planes]);
+		wm[num_planes].swath_width_y = get_swath_width_y(&e2e[i].pipe.src, num_dpp);
+		get_swath_height(
+				mode_lib,
+				&e2e[i].pipe.src,
+				&wm[num_planes],
+				wm[num_planes].swath_width_y);
+
+		wm[num_planes].interlace_en = e2e[i].pipe.dest.interlaced;
+		wm[num_planes].h_ratio = e2e[i].pipe.scale_ratio_depth.hscl_ratio;
+		wm[num_planes].v_ratio = e2e[i].pipe.scale_ratio_depth.vscl_ratio;
+		if (wm[num_planes].interlace_en) {
+			wm[num_planes].v_ratio = 2 * wm[num_planes].v_ratio;
+		}
+		wm[num_planes].h_taps = e2e[i].pipe.scale_taps.htaps;
+		wm[num_planes].h_total = e2e[i].pipe.dest.htotal;
+		wm[num_planes].v_total = e2e[i].pipe.dest.vtotal;
+		wm[num_planes].v_active = e2e[i].pipe.dest.vactive;
+		wm[num_planes].e2e_index = i;
+		num_planes++;
+	}
+
+	for (i = 0; i < num_planes; i++) {
+		DTRACE("plane[%d] start", i);
+		DTRACE("voltage    = %d", wm[i].voltage);
+		DTRACE("v_active   = %d", wm[i].v_active);
+		DTRACE("h_total    = %d", wm[i].h_total);
+		DTRACE("v_total    = %d", wm[i].v_total);
+		DTRACE("pixclk_mhz = %f", wm[i].pixclk_mhz);
+		DTRACE("dcfclk_mhz = %f", wm[i].dcfclk_mhz);
+		DTRACE("dppclk_mhz = %f", wm[i].dppclk_mhz);
+		DTRACE("h_ratio    = %f", wm[i].h_ratio);
+		DTRACE("v_ratio    = %f", wm[i].v_ratio);
+		DTRACE("interlaced = %d", wm[i].interlace_en);
+		DTRACE("h_taps     = %d", wm[i].h_taps);
+		DTRACE("num_dpp    = %d", wm[i].num_dpp);
+		DTRACE("swath_width_y = %d", wm[i].swath_width_y);
+		DTRACE("swath_height_y = %d", wm[i].swath_height_y);
+		DTRACE("swath_height_c = %d", wm[i].swath_height_c);
+		DTRACE("det_buffer_size_y = %d", wm[i].det_buffer_size_y);
+		DTRACE("dcc_rate   = %f", wm[i].dcc_rate);
+		DTRACE("dcc_enable = %s", wm[i].dcc_enable ? "true" : "false");
+		DTRACE("pte_enable = %s", wm[i].pte_enable ? "true" : "false");
+		DTRACE("plane[%d] end", i);
+	}
+
+	return num_planes;
+}

drivers/gpu/drm/amd/display/dc/dml/display_watermark.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DISPLAY_WATERMARK_H__
+#define __DISPLAY_WATERMARK_H__
+
+#include "dml_common_defs.h"
+
+struct display_mode_lib;
+
+double dml_wm_urgent_extra(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *pipes,
+		unsigned int num_pipes);
+double dml_wm_urgent_extra_max(struct display_mode_lib *mode_lib);
+
+double dml_wm_urgent_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes);
+double dml_wm_urgent(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes);
+double dml_wm_pte_meta_urgent(struct display_mode_lib *mode_lib, double urgent_wm_us);
+double dml_wm_dcfclk_deepsleep_mhz_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes);
+double dml_wm_dcfclk_deepsleep_mhz(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes);
+
+struct _vcs_dpi_cstate_pstate_watermarks_st dml_wm_cstate_pstate_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes);
+struct _vcs_dpi_cstate_pstate_watermarks_st dml_wm_cstate_pstate(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *pipes,
+		unsigned int num_pipes);
+
+double dml_wm_writeback_pstate_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *pipes,
+		unsigned int num_pipes);
+double dml_wm_writeback_pstate(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *pipes,
+		unsigned int num_pipes);
+
+double dml_wm_expected_stutter_eff_e2e(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes);
+double dml_wm_expected_stutter_eff_e2e_with_vblank(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes);
+
+unsigned int dml_wm_e2e_to_wm(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_display_e2e_pipe_params_st *e2e,
+		unsigned int num_pipes,
+		struct _vcs_dpi_wm_calc_pipe_params_st *wm);
+
+double dml_wm_calc_total_data_read_bw(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes);
+double dml_wm_calc_return_bw(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_wm_calc_pipe_params_st *planes,
+		unsigned int num_planes);
+
+#endif

drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dml_common_defs.h"
+#include "../calcs/dcn_calc_math.h"
+
+double dml_min(double a, double b)
+{
+	return (double) dcn_bw_min2(a, b);
+}
+
+double dml_max(double a, double b)
+{
+	return (double) dcn_bw_max2(a, b);
+}
+
+double dml_ceil(double a)
+{
+	return (double) dcn_bw_ceil2(a, 1);
+}
+
+double dml_floor(double a)
+{
+	return (double) dcn_bw_floor2(a, 1);
+}
+
+double dml_round(double a)
+{
+	double round_pt = 0.5;
+	double ceil = dml_ceil(a);
+	double floor = dml_floor(a);
+
+	if (a - floor >= round_pt)
+		return ceil;
+	else
+		return floor;
+}
+
+int dml_log2(double x)
+{
+	return dml_round((double)dcn_bw_log(x, 2));
+}
+
+double dml_pow(double a, int exp)
+{
+	return (double) dcn_bw_pow(a, exp);
+}
+
+unsigned int dml_round_to_multiple(
+	unsigned int num,
+	unsigned int multiple,
+	bool up)
+{
+	unsigned int remainder;
+
+	if (multiple == 0)
+		return num;
+
+	remainder = num % multiple;
+
+	if (remainder == 0)
+		return num;
+
+	if (up)
+		return (num + multiple - remainder);
+	else
+		return (num - remainder);
+}
+
+double dml_fmod(double f, int val)
+{
+	return (double) dcn_bw_mod(f, val);
+}
+
+double dml_ceil_2(double f)
+{
+	return (double) dcn_bw_ceil2(f, 2);
+}
+
+bool dml_util_is_420(enum source_format_class sorce_format)
+{
+	bool val = false;
+
+	switch (sorce_format) {
+	case dm_444_16:
+		val = false;
+		break;
+	case dm_444_32:
+		val = false;
+		break;
+	case dm_444_64:
+		val = false;
+		break;
+	case dm_420_8:
+		val = true;
+		break;
+	case dm_420_10:
+		val = true;
+		break;
+	case dm_422_8:
+		val = false;
+		break;
+	case dm_422_10:
+		val = false;
+		break;
+	default:
+		BREAK_TO_DEBUGGER();
+	}
+
+	return val;
+}
+
+double dml_ceil_ex(double x, double granularity)
+{
+	return (double) dcn_bw_ceil2(x, granularity);
+}
+
+double dml_floor_ex(double x, double granularity)
+{
+	return (double) dcn_bw_floor2(x, granularity);
+}
+
+double dml_log(double x, double base)
+{
+	return (double) dcn_bw_log(x, base);
+}

drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __DC_COMMON_DEFS_H__
+#define __DC_COMMON_DEFS_H__
+
+#include "dm_services.h"
+#include "dc_features.h"
+#include "display_mode_structs.h"
+#include "display_mode_enums.h"
+
+#define DTRACE(str, ...) dm_logger_write(mode_lib->logger, LOG_DML, str, ##__VA_ARGS__);
+
+double dml_min(double a, double b);
+double dml_max(double a, double b);
+bool dml_util_is_420(enum source_format_class sorce_format);
+double dml_ceil_ex(double x, double granularity);
+double dml_floor_ex(double x, double granularity);
+double dml_log(double x, double base);
+double dml_ceil(double a);
+double dml_floor(double a);
+double dml_round(double a);
+int dml_log2(double x);
+double dml_pow(double a, int exp);
+unsigned int dml_round_to_multiple(
+			unsigned int num, unsigned int multiple, bool up);
+double dml_fmod(double f, int val);
+double dml_ceil_2(double f);
+
+#endif /* __DC_COMMON_DEFS_H__ */

drivers/gpu/drm/amd/display/dc/dml/soc_bounding_box.c

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include "soc_bounding_box.h"
+#include "display_mode_lib.h"
+
+void dml_socbb_set_latencies(
+		struct display_mode_lib *mode_lib,
+		struct _vcs_dpi_soc_bounding_box_st *from_box)
+{
+	struct _vcs_dpi_soc_bounding_box_st *to_box = &mode_lib->soc;
+
+	to_box->dram_clock_change_latency_us = from_box->dram_clock_change_latency_us;
+	to_box->sr_exit_time_us = from_box->sr_exit_time_us;
+	to_box->sr_enter_plus_exit_time_us = from_box->sr_enter_plus_exit_time_us;
+	to_box->urgent_latency_us = from_box->urgent_latency_us;
+	to_box->writeback_latency_us = from_box->writeback_latency_us;
+	DTRACE("box.dram_clock_change_latency_us: %f", from_box->dram_clock_change_latency_us);
+	DTRACE("box.sr_exit_time_us: %f", from_box->sr_exit_time_us);
+	DTRACE("box.sr_enter_plus_exit_time_us: %f", from_box->sr_enter_plus_exit_time_us);
+	DTRACE("box.urgent_latency_us: %f", from_box->urgent_latency_us);
+	DTRACE("box.writeback_latency_us: %f", from_box->writeback_latency_us);
+
+}
+
+struct _vcs_dpi_voltage_scaling_st dml_socbb_voltage_scaling(
+		struct _vcs_dpi_soc_bounding_box_st *box,
+		enum voltage_state voltage)
+{
+	switch (voltage) {
+	case dm_vmin:
+		return box->vmin;
+	case dm_vnom:
+		return box->vnom;
+	case dm_vmax:
+	default:
+		return box->vmax;
+	}
+}
+
+double dml_socbb_return_bw_mhz(struct _vcs_dpi_soc_bounding_box_st *box, enum voltage_state voltage)
+{
+	double return_bw;
+
+	struct _vcs_dpi_voltage_scaling_st state = dml_socbb_voltage_scaling(box, voltage);
+
+	return_bw = dml_min(
+			((double) box->return_bus_width_bytes) * state.dcfclk_mhz,
+			state.dram_bw_per_chan_gbps * 1000.0 * (double) box->num_chans
+					* box->ideal_dram_bw_after_urgent_percent / 100.0);
+	return return_bw;
+}

drivers/gpu/drm/amd/display/dc/dml/soc_bounding_box.h

···
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef __SOC_BOUNDING_BOX_H__
+#define __SOC_BOUNDING_BOX_H__
+
+#include "dml_common_defs.h"
+
+struct display_mode_lib;
+
+void dml_socbb_set_latencies(struct display_mode_lib *mode_lib, struct _vcs_dpi_soc_bounding_box_st *from_box);
+struct _vcs_dpi_voltage_scaling_st dml_socbb_voltage_scaling(struct _vcs_dpi_soc_bounding_box_st *box, enum voltage_state voltage);
+double dml_socbb_return_bw_mhz(struct _vcs_dpi_soc_bounding_box_st *box, enum voltage_state voltage);
+
+#endif