drm/i915/pfit: split out intel_pfit_regs.h

Split out the panel fitter registers to a separate file.

Reviewed-by: Ville Syrjälä <[e-mail]>
Signed-off-by: Jani Nikula <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/db8[e-mail]

drivers/gpu/drm/i915/display/intel_lvds.c

···
 #include "intel_lvds_regs.h"
 #include "intel_panel.h"
 #include "intel_pfit.h"
+#include "intel_pfit_regs.h"
 #include "intel_pps_regs.h"
 
 /* Private structure for the integrated LVDS support */

drivers/gpu/drm/i915/display/intel_overlay.c

···
 #include "intel_frontbuffer.h"
 #include "intel_overlay.h"
 #include "intel_pci_config.h"
+#include "intel_pfit_regs.h"
 
 /* Limits for overlay size. According to intel doc, the real limits are:
  * Y width: 4095, UV width (planar): 2047, Y height: 2047,

drivers/gpu/drm/i915/display/intel_pfit.c

···
 #include "intel_display_types.h"
 #include "intel_lvds_regs.h"
 #include "intel_pfit.h"
+#include "intel_pfit_regs.h"
 
 static int intel_pch_pfit_check_dst_window(const struct intel_crtc_state *crtc_state)
 {

drivers/gpu/drm/i915/display/intel_pfit_regs.h

···
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2025 Intel Corporation */
+
+#ifndef __INTEL_PFIT_REGS_H__
+#define __INTEL_PFIT_REGS_H__
+
+#include "intel_display_reg_defs.h"
+
+/* Panel fitting */
+#define PFIT_CONTROL(dev_priv)	_MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61230)
+#define   PFIT_ENABLE			REG_BIT(31)
+#define   PFIT_PIPE_MASK		REG_GENMASK(30, 29) /* 965+ */
+#define   PFIT_PIPE(pipe)		REG_FIELD_PREP(PFIT_PIPE_MASK, (pipe))
+#define   PFIT_SCALING_MASK		REG_GENMASK(28, 26) /* 965+ */
+#define   PFIT_SCALING_AUTO		REG_FIELD_PREP(PFIT_SCALING_MASK, 0)
+#define   PFIT_SCALING_PROGRAMMED	REG_FIELD_PREP(PFIT_SCALING_MASK, 1)
+#define   PFIT_SCALING_PILLAR		REG_FIELD_PREP(PFIT_SCALING_MASK, 2)
+#define   PFIT_SCALING_LETTER		REG_FIELD_PREP(PFIT_SCALING_MASK, 3)
+#define   PFIT_FILTER_MASK		REG_GENMASK(25, 24) /* 965+ */
+#define   PFIT_FILTER_FUZZY		REG_FIELD_PREP(PFIT_FILTER_MASK, 0)
+#define   PFIT_FILTER_CRISP		REG_FIELD_PREP(PFIT_FILTER_MASK, 1)
+#define   PFIT_FILTER_MEDIAN		REG_FIELD_PREP(PFIT_FILTER_MASK, 2)
+#define   PFIT_VERT_INTERP_MASK		REG_GENMASK(11, 10) /* pre-965 */
+#define   PFIT_VERT_INTERP_BILINEAR	REG_FIELD_PREP(PFIT_VERT_INTERP_MASK, 1)
+#define   PFIT_VERT_AUTO_SCALE		REG_BIT(9) /* pre-965 */
+#define   PFIT_HORIZ_INTERP_MASK	REG_GENMASK(7, 6) /* pre-965 */
+#define   PFIT_HORIZ_INTERP_BILINEAR	REG_FIELD_PREP(PFIT_HORIZ_INTERP_MASK, 1)
+#define   PFIT_HORIZ_AUTO_SCALE		REG_BIT(5) /* pre-965 */
+#define   PFIT_PANEL_8TO6_DITHER_ENABLE	REG_BIT(3) /* pre-965 */
+
+#define PFIT_PGM_RATIOS(dev_priv) _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61234)
+#define   PFIT_VERT_SCALE_MASK		REG_GENMASK(31, 20) /* pre-965 */
+#define   PFIT_VERT_SCALE(x)		REG_FIELD_PREP(PFIT_VERT_SCALE_MASK, (x))
+#define   PFIT_HORIZ_SCALE_MASK		REG_GENMASK(15, 4) /* pre-965 */
+#define   PFIT_HORIZ_SCALE(x)		REG_FIELD_PREP(PFIT_HORIZ_SCALE_MASK, (x))
+#define   PFIT_VERT_SCALE_MASK_965	REG_GENMASK(28, 16) /* 965+ */
+#define   PFIT_HORIZ_SCALE_MASK_965	REG_GENMASK(12, 0) /* 965+ */
+
+#define PFIT_AUTO_RATIOS(dev_priv) _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61238)
+
+/* CPU panel fitter */
+/* IVB+ has 3 fitters, 0 is 7x5 capable, the other two only 3x3 */
+#define _PFA_CTL_1		0x68080
+#define _PFB_CTL_1		0x68880
+#define PF_CTL(pipe)		_MMIO_PIPE(pipe, _PFA_CTL_1, _PFB_CTL_1)
+#define   PF_ENABLE			REG_BIT(31)
+#define   PF_PIPE_SEL_MASK_IVB		REG_GENMASK(30, 29) /* ivb/hsw */
+#define   PF_PIPE_SEL_IVB(pipe)		REG_FIELD_PREP(PF_PIPE_SEL_MASK_IVB, (pipe))
+#define   PF_FILTER_MASK		REG_GENMASK(24, 23)
+#define   PF_FILTER_PROGRAMMED		REG_FIELD_PREP(PF_FILTER_MASK, 0)
+#define   PF_FILTER_MED_3x3		REG_FIELD_PREP(PF_FILTER_MASK, 1)
+#define   PF_FILTER_EDGE_ENHANCE	REG_FIELD_PREP(PF_FILTER_EDGE_MASK, 2)
+#define   PF_FILTER_EDGE_SOFTEN		REG_FIELD_PREP(PF_FILTER_EDGE_MASK, 3)
+
+#define _PFA_WIN_SZ		0x68074
+#define _PFB_WIN_SZ		0x68874
+#define PF_WIN_SZ(pipe)		_MMIO_PIPE(pipe, _PFA_WIN_SZ, _PFB_WIN_SZ)
+#define   PF_WIN_XSIZE_MASK	REG_GENMASK(31, 16)
+#define   PF_WIN_XSIZE(w)	REG_FIELD_PREP(PF_WIN_XSIZE_MASK, (w))
+#define   PF_WIN_YSIZE_MASK	REG_GENMASK(15, 0)
+#define   PF_WIN_YSIZE(h)	REG_FIELD_PREP(PF_WIN_YSIZE_MASK, (h))
+
+#define _PFA_WIN_POS		0x68070
+#define _PFB_WIN_POS		0x68870
+#define PF_WIN_POS(pipe)	_MMIO_PIPE(pipe, _PFA_WIN_POS, _PFB_WIN_POS)
+#define   PF_WIN_XPOS_MASK	REG_GENMASK(31, 16)
+#define   PF_WIN_XPOS(x)	REG_FIELD_PREP(PF_WIN_XPOS_MASK, (x))
+#define   PF_WIN_YPOS_MASK	REG_GENMASK(15, 0)
+#define   PF_WIN_YPOS(y)	REG_FIELD_PREP(PF_WIN_YPOS_MASK, (y))
+
+#define _PFA_VSCALE		0x68084
+#define _PFB_VSCALE		0x68884
+#define PF_VSCALE(pipe)		_MMIO_PIPE(pipe, _PFA_VSCALE, _PFB_VSCALE)
+
+#define _PFA_HSCALE		0x68090
+#define _PFB_HSCALE		0x68890
+#define PF_HSCALE(pipe)		_MMIO_PIPE(pipe, _PFA_HSCALE, _PFB_HSCALE)
+
+#endif /* __INTEL_PFIT_REGS_H__ */

drivers/gpu/drm/i915/i915_reg.h

···
 /* ADL and later: */
 #define   VIDEO_DIP_ENABLE_AS_ADL	REG_BIT(23)
 
-/* Panel fitting */
-#define PFIT_CONTROL(dev_priv)	_MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61230)
-#define   PFIT_ENABLE			REG_BIT(31)
-#define   PFIT_PIPE_MASK		REG_GENMASK(30, 29) /* 965+ */
-#define   PFIT_PIPE(pipe)		REG_FIELD_PREP(PFIT_PIPE_MASK, (pipe))
-#define   PFIT_SCALING_MASK		REG_GENMASK(28, 26) /* 965+ */
-#define   PFIT_SCALING_AUTO		REG_FIELD_PREP(PFIT_SCALING_MASK, 0)
-#define   PFIT_SCALING_PROGRAMMED	REG_FIELD_PREP(PFIT_SCALING_MASK, 1)
-#define   PFIT_SCALING_PILLAR		REG_FIELD_PREP(PFIT_SCALING_MASK, 2)
-#define   PFIT_SCALING_LETTER		REG_FIELD_PREP(PFIT_SCALING_MASK, 3)
-#define   PFIT_FILTER_MASK		REG_GENMASK(25, 24) /* 965+ */
-#define   PFIT_FILTER_FUZZY		REG_FIELD_PREP(PFIT_FILTER_MASK, 0)
-#define   PFIT_FILTER_CRISP		REG_FIELD_PREP(PFIT_FILTER_MASK, 1)
-#define   PFIT_FILTER_MEDIAN		REG_FIELD_PREP(PFIT_FILTER_MASK, 2)
-#define   PFIT_VERT_INTERP_MASK		REG_GENMASK(11, 10) /* pre-965 */
-#define   PFIT_VERT_INTERP_BILINEAR	REG_FIELD_PREP(PFIT_VERT_INTERP_MASK, 1)
-#define   PFIT_VERT_AUTO_SCALE		REG_BIT(9) /* pre-965 */
-#define   PFIT_HORIZ_INTERP_MASK	REG_GENMASK(7, 6) /* pre-965 */
-#define   PFIT_HORIZ_INTERP_BILINEAR	REG_FIELD_PREP(PFIT_HORIZ_INTERP_MASK, 1)
-#define   PFIT_HORIZ_AUTO_SCALE		REG_BIT(5) /* pre-965 */
-#define   PFIT_PANEL_8TO6_DITHER_ENABLE	REG_BIT(3) /* pre-965 */
-
-#define PFIT_PGM_RATIOS(dev_priv) _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61234)
-#define   PFIT_VERT_SCALE_MASK		REG_GENMASK(31, 20) /* pre-965 */
-#define   PFIT_VERT_SCALE(x)		REG_FIELD_PREP(PFIT_VERT_SCALE_MASK, (x))
-#define   PFIT_HORIZ_SCALE_MASK		REG_GENMASK(15, 4) /* pre-965 */
-#define   PFIT_HORIZ_SCALE(x)		REG_FIELD_PREP(PFIT_HORIZ_SCALE_MASK, (x))
-#define   PFIT_VERT_SCALE_MASK_965	REG_GENMASK(28, 16) /* 965+ */
-#define   PFIT_HORIZ_SCALE_MASK_965	REG_GENMASK(12, 0) /* 965+ */
-
-#define PFIT_AUTO_RATIOS(dev_priv) _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61238)
-
 #define PCH_GTC_CTL		_MMIO(0xe7000)
 #define   PCH_GTC_ENABLE	(1 << 31)
 
···
 #define _PIPEA_LINK_N2		0x6004c
 #define _PIPEB_LINK_N2		0x6104c
 #define PIPE_LINK_N2(dev_priv, tran) _MMIO_TRANS2(dev_priv, tran, _PIPEA_LINK_N2)
-
-/* CPU panel fitter */
-/* IVB+ has 3 fitters, 0 is 7x5 capable, the other two only 3x3 */
-#define _PFA_CTL_1		0x68080
-#define _PFB_CTL_1		0x68880
-#define PF_CTL(pipe)		_MMIO_PIPE(pipe, _PFA_CTL_1, _PFB_CTL_1)
-#define   PF_ENABLE			REG_BIT(31)
-#define   PF_PIPE_SEL_MASK_IVB		REG_GENMASK(30, 29) /* ivb/hsw */
-#define   PF_PIPE_SEL_IVB(pipe)		REG_FIELD_PREP(PF_PIPE_SEL_MASK_IVB, (pipe))
-#define   PF_FILTER_MASK		REG_GENMASK(24, 23)
-#define   PF_FILTER_PROGRAMMED		REG_FIELD_PREP(PF_FILTER_MASK, 0)
-#define   PF_FILTER_MED_3x3		REG_FIELD_PREP(PF_FILTER_MASK, 1)
-#define   PF_FILTER_EDGE_ENHANCE	REG_FIELD_PREP(PF_FILTER_EDGE_MASK, 2)
-#define   PF_FILTER_EDGE_SOFTEN		REG_FIELD_PREP(PF_FILTER_EDGE_MASK, 3)
-
-#define _PFA_WIN_SZ		0x68074
-#define _PFB_WIN_SZ		0x68874
-#define PF_WIN_SZ(pipe)		_MMIO_PIPE(pipe, _PFA_WIN_SZ, _PFB_WIN_SZ)
-#define   PF_WIN_XSIZE_MASK	REG_GENMASK(31, 16)
-#define   PF_WIN_XSIZE(w)	REG_FIELD_PREP(PF_WIN_XSIZE_MASK, (w))
-#define   PF_WIN_YSIZE_MASK	REG_GENMASK(15, 0)
-#define   PF_WIN_YSIZE(h)	REG_FIELD_PREP(PF_WIN_YSIZE_MASK, (h))
-
-#define _PFA_WIN_POS		0x68070
-#define _PFB_WIN_POS		0x68870
-#define PF_WIN_POS(pipe)	_MMIO_PIPE(pipe, _PFA_WIN_POS, _PFB_WIN_POS)
-#define   PF_WIN_XPOS_MASK	REG_GENMASK(31, 16)
-#define   PF_WIN_XPOS(x)	REG_FIELD_PREP(PF_WIN_XPOS_MASK, (x))
-#define   PF_WIN_YPOS_MASK	REG_GENMASK(15, 0)
-#define   PF_WIN_YPOS(y)	REG_FIELD_PREP(PF_WIN_YPOS_MASK, (y))
-
-#define _PFA_VSCALE		0x68084
-#define _PFB_VSCALE		0x68884
-#define PF_VSCALE(pipe)		_MMIO_PIPE(pipe, _PFA_VSCALE, _PFB_VSCALE)
-
-#define _PFA_HSCALE		0x68090
-#define _PFB_HSCALE		0x68890
-#define PF_HSCALE(pipe)		_MMIO_PIPE(pipe, _PFA_HSCALE, _PFB_HSCALE)
 
 /*
  * Skylake scalers

drivers/gpu/drm/i915/intel_gvt_mmio_table.c

···
 #include "display/intel_fbc_regs.h"
 #include "display/intel_fdi_regs.h"
 #include "display/intel_lvds_regs.h"
+#include "display/intel_pfit_regs.h"
 #include "display/intel_psr_regs.h"
 #include "display/intel_sprite_regs.h"
 #include "display/skl_universal_plane_regs.h"