drm/amd/amdgpu: implement mode2 reset on smu_v13_0_10

implement mode2 reset on smu_v13_0_10

Signed-off-by: Kenneth Feng <[e-mail]>
Reviewed-by: Evan Quan <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/Makefile

···
 	vi.o mxgpu_vi.o nbio_v6_1.o soc15.o emu_soc.o mxgpu_ai.o nbio_v7_0.o vega10_reg_init.o \
 	vega20_reg_init.o nbio_v7_4.o nbio_v2_3.o nv.o arct_reg_init.o mxgpu_nv.o \
 	nbio_v7_2.o hdp_v4_0.o hdp_v5_0.o aldebaran_reg_init.o aldebaran.o soc21.o \
-	sienna_cichlid.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o
+	sienna_cichlid.o smu_v13_0_10.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o
 
 # add DF block
 amdgpu-y += \

drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c

···
 #include "amdgpu_reset.h"
 #include "aldebaran.h"
 #include "sienna_cichlid.h"
+#include "smu_v13_0_10.h"
 
 int amdgpu_reset_add_handler(struct amdgpu_reset_control *reset_ctl,
 			     struct amdgpu_reset_handler *handler)
···
 	case IP_VERSION(11, 0, 7):
 		ret = sienna_cichlid_reset_init(adev);
 		break;
+	case IP_VERSION(13, 0, 10):
+		ret = smu_v13_0_10_reset_init(adev);
+		break;
 	default:
 		break;
 	}
···
 		break;
 	case IP_VERSION(11, 0, 7):
 		ret = sienna_cichlid_reset_fini(adev);
+		break;
+	case IP_VERSION(13, 0, 10):
+		ret = smu_v13_0_10_reset_fini(adev);
 		break;
 	default:
 		break;

drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c

···
+/*
+ * Copyright 2023 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.
+ *
+ */
+
+#include "smu_v13_0_10.h"
+#include "amdgpu_reset.h"
+#include "amdgpu_dpm.h"
+#include "amdgpu_job.h"
+#include "amdgpu_ring.h"
+#include "amdgpu_ras.h"
+#include "amdgpu_psp.h"
+
+static bool smu_v13_0_10_is_mode2_default(struct amdgpu_reset_control *reset_ctl)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+	if (adev->pm.fw_version >= 0x00502005 && !amdgpu_sriov_vf(adev))
+		return true;
+
+	return false;
+}
+
+static struct amdgpu_reset_handler *
+smu_v13_0_10_get_reset_handler(struct amdgpu_reset_control *reset_ctl,
+			    struct amdgpu_reset_context *reset_context)
+{
+	struct amdgpu_reset_handler *handler;
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	if (reset_context->method != AMD_RESET_METHOD_NONE) {
+		list_for_each_entry(handler, &reset_ctl->reset_handlers,
+				     handler_list) {
+			if (handler->reset_method == reset_context->method)
+				return handler;
+		}
+	}
+
+	if (smu_v13_0_10_is_mode2_default(reset_ctl) &&
+		amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_MODE2) {
+		list_for_each_entry (handler, &reset_ctl->reset_handlers,
+				     handler_list) {
+			if (handler->reset_method == AMD_RESET_METHOD_MODE2)
+				return handler;
+		}
+	}
+
+	return NULL;
+}
+
+static int smu_v13_0_10_mode2_suspend_ip(struct amdgpu_device *adev)
+{
+	int r, i;
+
+	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
+	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
+
+	for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
+		if (!(adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_GFX ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_SDMA ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_MES))
+			continue;
+
+		r = adev->ip_blocks[i].version->funcs->suspend(adev);
+
+		if (r) {
+			dev_err(adev->dev,
+				"suspend of IP block <%s> failed %d\n",
+				adev->ip_blocks[i].version->funcs->name, r);
+			return r;
+		}
+		adev->ip_blocks[i].status.hw = false;
+	}
+
+	return r;
+}
+
+static int
+smu_v13_0_10_mode2_prepare_hwcontext(struct amdgpu_reset_control *reset_ctl,
+				  struct amdgpu_reset_context *reset_context)
+{
+	int r = 0;
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	if (!amdgpu_sriov_vf(adev))
+		r = smu_v13_0_10_mode2_suspend_ip(adev);
+
+	return r;
+}
+
+static int smu_v13_0_10_mode2_reset(struct amdgpu_device *adev)
+{
+	return amdgpu_dpm_mode2_reset(adev);
+}
+
+static void smu_v13_0_10_async_reset(struct work_struct *work)
+{
+	struct amdgpu_reset_handler *handler;
+	struct amdgpu_reset_control *reset_ctl =
+		container_of(work, struct amdgpu_reset_control, reset_work);
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	list_for_each_entry(handler, &reset_ctl->reset_handlers,
+			     handler_list) {
+		if (handler->reset_method == reset_ctl->active_reset) {
+			dev_dbg(adev->dev, "Resetting device\n");
+			handler->do_reset(adev);
+			break;
+		}
+	}
+}
+static int
+smu_v13_0_10_mode2_perform_reset(struct amdgpu_reset_control *reset_ctl,
+			      struct amdgpu_reset_context *reset_context)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+	int r;
+
+	r = smu_v13_0_10_mode2_reset(adev);
+	if (r) {
+		dev_err(adev->dev,
+			"ASIC reset failed with error, %d ", r);
+	}
+	return r;
+}
+
+static int smu_v13_0_10_mode2_restore_ip(struct amdgpu_device *adev)
+{
+	int i, r;
+	struct psp_context *psp = &adev->psp;
+	struct amdgpu_firmware_info *ucode;
+	struct amdgpu_firmware_info *ucode_list[2];
+	int ucode_count = 0;
+
+	for (i = 0; i < adev->firmware.max_ucodes; i++) {
+		ucode = &adev->firmware.ucode[i];
+
+		switch (ucode->ucode_id) {
+		case AMDGPU_UCODE_ID_IMU_I:
+		case AMDGPU_UCODE_ID_IMU_D:
+			ucode_list[ucode_count++] = ucode;
+			break;
+		default:
+			break;
+		}
+	}
+
+	r = psp_load_fw_list(psp, ucode_list, ucode_count);
+	if (r) {
+		dev_err(adev->dev, "IMU ucode load failed after mode2 reset\n");
+		return r;
+	}
+
+	r = psp_rlc_autoload_start(psp);
+	if (r) {
+		DRM_ERROR("Failed to start rlc autoload after mode2 reset\n");
+		return r;
+	}
+
+	amdgpu_dpm_enable_gfx_features(adev);
+
+	for (i = 0; i < adev->num_ip_blocks; i++) {
+		if (!(adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_GFX ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_MES ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_SDMA))
+			continue;
+		r = adev->ip_blocks[i].version->funcs->resume(adev);
+		if (r) {
+			dev_err(adev->dev,
+				"resume of IP block <%s> failed %d\n",
+				adev->ip_blocks[i].version->funcs->name, r);
+			return r;
+		}
+
+		adev->ip_blocks[i].status.hw = true;
+	}
+
+	for (i = 0; i < adev->num_ip_blocks; i++) {
+		if (!(adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_GFX ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_MES ||
+		      adev->ip_blocks[i].version->type ==
+			      AMD_IP_BLOCK_TYPE_SDMA))
+			continue;
+
+		if (adev->ip_blocks[i].version->funcs->late_init) {
+			r = adev->ip_blocks[i].version->funcs->late_init(
+				(void *)adev);
+			if (r) {
+				dev_err(adev->dev,
+					"late_init of IP block <%s> failed %d after reset\n",
+					adev->ip_blocks[i].version->funcs->name,
+					r);
+				return r;
+			}
+		}
+		adev->ip_blocks[i].status.late_initialized = true;
+	}
+
+	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
+	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE);
+
+	return r;
+}
+
+static int
+smu_v13_0_10_mode2_restore_hwcontext(struct amdgpu_reset_control *reset_ctl,
+				  struct amdgpu_reset_context *reset_context)
+{
+	int r;
+	struct amdgpu_device *tmp_adev = (struct amdgpu_device *)reset_ctl->handle;
+
+	dev_info(tmp_adev->dev,
+			"GPU reset succeeded, trying to resume\n");
+	r = smu_v13_0_10_mode2_restore_ip(tmp_adev);
+	if (r)
+		goto end;
+
+	amdgpu_register_gpu_instance(tmp_adev);
+
+	/* Resume RAS */
+	amdgpu_ras_resume(tmp_adev);
+
+	amdgpu_irq_gpu_reset_resume_helper(tmp_adev);
+
+	r = amdgpu_ib_ring_tests(tmp_adev);
+	if (r) {
+		dev_err(tmp_adev->dev,
+			"ib ring test failed (%d).\n", r);
+		r = -EAGAIN;
+		goto end;
+	}
+
+end:
+	if (r)
+		return -EAGAIN;
+	else
+		return r;
+}
+
+static struct amdgpu_reset_handler smu_v13_0_10_mode2_handler = {
+	.reset_method		= AMD_RESET_METHOD_MODE2,
+	.prepare_env		= NULL,
+	.prepare_hwcontext	= smu_v13_0_10_mode2_prepare_hwcontext,
+	.perform_reset		= smu_v13_0_10_mode2_perform_reset,
+	.restore_hwcontext	= smu_v13_0_10_mode2_restore_hwcontext,
+	.restore_env		= NULL,
+	.do_reset		= smu_v13_0_10_mode2_reset,
+};
+
+int smu_v13_0_10_reset_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_reset_control *reset_ctl;
+
+	reset_ctl = kzalloc(sizeof(*reset_ctl), GFP_KERNEL);
+	if (!reset_ctl)
+		return -ENOMEM;
+
+	reset_ctl->handle = adev;
+	reset_ctl->async_reset = smu_v13_0_10_async_reset;
+	reset_ctl->active_reset = AMD_RESET_METHOD_NONE;
+	reset_ctl->get_reset_handler = smu_v13_0_10_get_reset_handler;
+
+	INIT_LIST_HEAD(&reset_ctl->reset_handlers);
+	INIT_WORK(&reset_ctl->reset_work, reset_ctl->async_reset);
+	/* Only mode2 is handled through reset control now */
+	amdgpu_reset_add_handler(reset_ctl, &smu_v13_0_10_mode2_handler);
+
+	adev->reset_cntl = reset_ctl;
+
+	return 0;
+}
+
+int smu_v13_0_10_reset_fini(struct amdgpu_device *adev)
+{
+	kfree(adev->reset_cntl);
+	adev->reset_cntl = NULL;
+	return 0;
+}

drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.h

···
+/*
+ * Copyright 2023 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.
+ *
+ */
+
+#ifndef __SMU_V13_0_10_H__
+#define __SMU_V13_0_10_H__
+
+#include "amdgpu.h"
+
+int smu_v13_0_10_reset_init(struct amdgpu_device *adev);
+int smu_v13_0_10_reset_fini(struct amdgpu_device *adev);
+
+#endif

drivers/gpu/drm/amd/include/kgd_pp_interface.h

···
 	int (*get_ppfeature_status)(void *handle, char *buf);
 	int (*set_ppfeature_status)(void *handle, uint64_t ppfeature_masks);
 	int (*asic_reset_mode_2)(void *handle);
+	int (*asic_reset_enable_gfx_features)(void *handle);
 	int (*set_df_cstate)(void *handle, enum pp_df_cstate state);
 	int (*set_xgmi_pstate)(void *handle, uint32_t pstate);
 	ssize_t (*get_gpu_metrics)(void *handle, void **table);

drivers/gpu/drm/amd/pm/amdgpu_dpm.c

···
 	return ret;
 }
 
+int amdgpu_dpm_enable_gfx_features(struct amdgpu_device *adev)
+{
+	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+	void *pp_handle = adev->powerplay.pp_handle;
+	int ret = 0;
+
+	if (!pp_funcs || !pp_funcs->asic_reset_enable_gfx_features)
+		return -ENOENT;
+
+	mutex_lock(&adev->pm.mutex);
+
+	ret = pp_funcs->asic_reset_enable_gfx_features(pp_handle);
+
+	mutex_unlock(&adev->pm.mutex);
+
+	return ret;
+}
+
 int amdgpu_dpm_baco_reset(struct amdgpu_device *adev)
 {
 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;

drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h

···
 int amdgpu_dpm_baco_reset(struct amdgpu_device *adev);
 
 int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev);
+int amdgpu_dpm_enable_gfx_features(struct amdgpu_device *adev);
 
 bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev);
 

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

···
 	return ret;
 }
 
+static int smu_enable_gfx_features(void *handle)
+{
+	struct smu_context *smu = handle;
+	int ret = 0;
+
+	if (!smu->pm_enabled)
+		return -EOPNOTSUPP;
+
+	if (smu->ppt_funcs->enable_gfx_features)
+		ret = smu->ppt_funcs->enable_gfx_features(smu);
+
+	if (ret)
+		dev_err(smu->adev->dev, "enable gfx features failed!\n");
+
+	return ret;
+}
+
 static int smu_get_max_sustainable_clocks_by_dc(void *handle,
 						struct pp_smu_nv_clock_table *max_clocks)
 {
···
 	.get_ppfeature_status             = smu_sys_get_pp_feature_mask,
 	.set_ppfeature_status             = smu_sys_set_pp_feature_mask,
 	.asic_reset_mode_2                = smu_mode2_reset,
+	.asic_reset_enable_gfx_features   = smu_enable_gfx_features,
 	.set_df_cstate                    = smu_set_df_cstate,
 	.set_xgmi_pstate                  = smu_set_xgmi_pstate,
 	.get_gpu_metrics                  = smu_sys_get_gpu_metrics,

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

···
 	 * IPs reset varies by asic.
 	 */
 	int (*mode2_reset)(struct smu_context *smu);
+	/* for gfx feature enablement after mode2 reset */
+	int (*enable_gfx_features)(struct smu_context *smu);
 
 	/**
 	 * @get_dpm_ultimate_freq: Get the hard frequency range of a clock

drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v13_0_0_ppsmc.h

···
 //Resets
 #define PPSMC_MSG_PrepareMp1ForUnload            0x2E
 #define PPSMC_MSG_Mode1Reset                     0x2F
+#define PPSMC_MSG_Mode2Reset					 0x4F
 
 //Set SystemVirtual DramAddrHigh
 #define PPSMC_MSG_SetSystemVirtualDramAddrHigh   0x30

drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h

···
 	__SMU_DUMMY_MAP(LogGfxOffResidency),			\
 	__SMU_DUMMY_MAP(SetNumBadMemoryPagesRetired),		\
 	__SMU_DUMMY_MAP(SetBadMemoryPagesRetiredFlagsPerChannel), \
-	__SMU_DUMMY_MAP(AllowGpo),
+	__SMU_DUMMY_MAP(AllowGpo),	\
+	__SMU_DUMMY_MAP(Mode2Reset),
 
 #undef __SMU_DUMMY_MAP
 #define __SMU_DUMMY_MAP(type)	SMU_MSG_##type

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c

···
 	MSG_MAP(GetPptLimit,			PPSMC_MSG_GetPptLimit,                 0),
 	MSG_MAP(NotifyPowerSource,		PPSMC_MSG_NotifyPowerSource,           0),
 	MSG_MAP(Mode1Reset,			PPSMC_MSG_Mode1Reset,                  0),
+	MSG_MAP(Mode2Reset,			PPSMC_MSG_Mode2Reset,	       		   0),
 	MSG_MAP(PrepareMp1ForUnload,		PPSMC_MSG_PrepareMp1ForUnload,         0),
 	MSG_MAP(DFCstateControl,		PPSMC_MSG_SetExternalClientDfCstateAllow, 0),
 	MSG_MAP(ArmD3,				PPSMC_MSG_ArmD3,                       0),
···
 	return ret;
 }
 
+static int smu_v13_0_0_mode2_reset(struct smu_context *smu)
+{
+	int ret;
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 10))
+		ret = smu_cmn_send_smc_msg(smu, SMU_MSG_Mode2Reset, NULL);
+	else
+		return -EOPNOTSUPP;
+
+	return ret;
+}
+
+static int smu_v13_0_0_enable_gfx_features(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 10))
+		return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_EnableAllSmuFeatures,
+										   FEATURE_PWR_GFX, NULL);
+	else
+		return -EOPNOTSUPP;
+}
+
 static void smu_v13_0_0_set_smu_mailbox_registers(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
···
 	.baco_exit = smu_v13_0_0_baco_exit,
 	.mode1_reset_is_support = smu_v13_0_0_is_mode1_reset_supported,
 	.mode1_reset = smu_v13_0_0_mode1_reset,
+	.mode2_reset = smu_v13_0_0_mode2_reset,
+	.enable_gfx_features = smu_v13_0_0_enable_gfx_features,
 	.set_mp1_state = smu_v13_0_0_set_mp1_state,
 	.set_df_cstate = smu_v13_0_0_set_df_cstate,
 	.send_hbm_bad_pages_num = smu_v13_0_0_smu_send_bad_mem_page_num,