Merge tag 'amd-drm-fixes-5.12-2021-03-24' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-5.12-2021-03-24:

amdgpu:
- S0ix fixes
- Add PCI ID
- Polaris PCIe DPM fix
- Display fix for high refresh rate monitors

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210324210630.3949-1-alexander.deucher@amd.com

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

@@ -1007,13 +1007,9 @@ struct amdgpu_device {
 
 	/* s3/s4 mask */
 	bool                            in_suspend;
-	bool				in_hibernate;
+	bool				in_s3;
-
+	bool				in_s4;
-	/*
+	bool				in_s0ix;
-	 * The combination flag in_poweroff_reboot_com used to identify the poweroff
-	 * and reboot opt in the s0i3 system-wide suspend.
-	 */
-	bool 				in_poweroff_reboot_com;
 
 	atomic_t 			in_gpu_reset;
 	enum pp_mp1_state               mp1_state;

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

@@ -2371,6 +2371,10 @@ static int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
 		i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
 		if (!adev->ip_blocks[i].status.late_initialized)
 			continue;
+		/* skip CG for GFX on S0ix */
+		if (adev->in_s0ix &&
+		    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)
+			continue;
 		/* skip CG for VCE/UVD, it's handled specially */
 		if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
 		    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
@@ -2402,6 +2406,10 @@ static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_power
 		i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
 		if (!adev->ip_blocks[i].status.late_initialized)
 			continue;
+		/* skip PG for GFX on S0ix */
+		if (adev->in_s0ix &&
+		    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)
+			continue;
 		/* skip CG for VCE/UVD, it's handled specially */
 		if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
 		    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
@@ -2678,11 +2686,8 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
 {
 	int i, r;
 
-	if (adev->in_poweroff_reboot_com ||
+	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
-	    !amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev)) {
+	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
-		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].status.valid)
@@ -2722,6 +2727,9 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
 {
 	int i, r;
 
+	if (adev->in_s0ix)
+		amdgpu_gfx_state_change_set(adev, sGpuChangeState_D3Entry);
+
 	for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
 		if (!adev->ip_blocks[i].status.valid)
 			continue;
@@ -2734,6 +2742,17 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
 			adev->ip_blocks[i].status.hw = false;
 			continue;
 		}
+
+		/* skip suspend of gfx and psp for S0ix
+		 * gfx is in gfxoff state, so on resume it will exit gfxoff just
+		 * like at runtime. PSP is also part of the always on hardware
+		 * so no need to suspend it.
+		 */
+		if (adev->in_s0ix &&
+		    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP ||
+		     adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX))
+			continue;
+
 		/* XXX handle errors */
 		r = adev->ip_blocks[i].version->funcs->suspend(adev);
 		/* XXX handle errors */
@@ -3673,14 +3692,9 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
  */
 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
 {
-	struct amdgpu_device *adev;
+	struct amdgpu_device *adev = drm_to_adev(dev);
-	struct drm_crtc *crtc;
-	struct drm_connector *connector;
-	struct drm_connector_list_iter iter;
 	int r;
 
-	adev = drm_to_adev(dev);
-
 	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 		return 0;
 
@@ -3692,61 +3706,19 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
 
 	cancel_delayed_work_sync(&adev->delayed_init_work);
 
-	if (!amdgpu_device_has_dc_support(adev)) {
-		/* turn off display hw */
-		drm_modeset_lock_all(dev);
-		drm_connector_list_iter_begin(dev, &iter);
-		drm_for_each_connector_iter(connector, &iter)
-			drm_helper_connector_dpms(connector,
-						  DRM_MODE_DPMS_OFF);
-		drm_connector_list_iter_end(&iter);
-		drm_modeset_unlock_all(dev);
-			/* unpin the front buffers and cursors */
-		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-			struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
-			struct drm_framebuffer *fb = crtc->primary->fb;
-			struct amdgpu_bo *robj;
-
-			if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) {
-				struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
-				r = amdgpu_bo_reserve(aobj, true);
-				if (r == 0) {
-					amdgpu_bo_unpin(aobj);
-					amdgpu_bo_unreserve(aobj);
-				}
-			}
-
-			if (fb == NULL || fb->obj[0] == NULL) {
-				continue;
-			}
-			robj = gem_to_amdgpu_bo(fb->obj[0]);
-			/* don't unpin kernel fb objects */
-			if (!amdgpu_fbdev_robj_is_fb(adev, robj)) {
-				r = amdgpu_bo_reserve(robj, true);
-				if (r == 0) {
-					amdgpu_bo_unpin(robj);
-					amdgpu_bo_unreserve(robj);
-				}
-			}
-		}
-	}
-
 	amdgpu_ras_suspend(adev);
 
 	r = amdgpu_device_ip_suspend_phase1(adev);
 
-	amdgpu_amdkfd_suspend(adev, adev->in_runpm);
+	if (!adev->in_s0ix)
+		amdgpu_amdkfd_suspend(adev, adev->in_runpm);
 
 	/* evict vram memory */
 	amdgpu_bo_evict_vram(adev);
 
 	amdgpu_fence_driver_suspend(adev);
 
-	if (adev->in_poweroff_reboot_com ||
+	r = amdgpu_device_ip_suspend_phase2(adev);
-	    !amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev))
-		r = amdgpu_device_ip_suspend_phase2(adev);
-	else
-		amdgpu_gfx_state_change_set(adev, sGpuChangeState_D3Entry);
 	/* evict remaining vram memory
 	 * This second call to evict vram is to evict the gart page table
 	 * using the CPU.
@@ -3768,16 +3740,13 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
  */
 int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
 {
-	struct drm_connector *connector;
-	struct drm_connector_list_iter iter;
 	struct amdgpu_device *adev = drm_to_adev(dev);
-	struct drm_crtc *crtc;
 	int r = 0;
 
 	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 		return 0;
 
-	if (amdgpu_acpi_is_s0ix_supported(adev))
+	if (adev->in_s0ix)
 		amdgpu_gfx_state_change_set(adev, sGpuChangeState_D0Entry);
 
 	/* post card */
@@ -3802,50 +3771,17 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
 	queue_delayed_work(system_wq, &adev->delayed_init_work,
 			   msecs_to_jiffies(AMDGPU_RESUME_MS));
 
-	if (!amdgpu_device_has_dc_support(adev)) {
+	if (!adev->in_s0ix) {
-		/* pin cursors */
+		r = amdgpu_amdkfd_resume(adev, adev->in_runpm);
-		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+		if (r)
-			struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+			return r;
-
-			if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) {
-				struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
-				r = amdgpu_bo_reserve(aobj, true);
-				if (r == 0) {
-					r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
-					if (r != 0)
-						dev_err(adev->dev, "Failed to pin cursor BO (%d)\n", r);
-					amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
-					amdgpu_bo_unreserve(aobj);
-				}
-			}
-		}
 	}
-	r = amdgpu_amdkfd_resume(adev, adev->in_runpm);
-	if (r)
-		return r;
 
 	/* Make sure IB tests flushed */
 	flush_delayed_work(&adev->delayed_init_work);
 
-	/* blat the mode back in */
+	if (fbcon)
-	if (fbcon) {
-		if (!amdgpu_device_has_dc_support(adev)) {
-			/* pre DCE11 */
-			drm_helper_resume_force_mode(dev);
-
-			/* turn on display hw */
-			drm_modeset_lock_all(dev);
-
-			drm_connector_list_iter_begin(dev, &iter);
-			drm_for_each_connector_iter(connector, &iter)
-				drm_helper_connector_dpms(connector,
-							  DRM_MODE_DPMS_ON);
-			drm_connector_list_iter_end(&iter);
-
-			drm_modeset_unlock_all(dev);
-		}
 		amdgpu_fbdev_set_suspend(adev, 0);
-	}
 
 	drm_kms_helper_poll_enable(dev);
 

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

@@ -1310,3 +1310,92 @@ bool amdgpu_crtc_get_scanout_position(struct drm_crtc *crtc,
 	return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos,
 						  stime, etime, mode);
 }
+
+int amdgpu_display_suspend_helper(struct amdgpu_device *adev)
+{
+	struct drm_device *dev = adev_to_drm(adev);
+	struct drm_crtc *crtc;
+	struct drm_connector *connector;
+	struct drm_connector_list_iter iter;
+	int r;
+
+	/* turn off display hw */
+	drm_modeset_lock_all(dev);
+	drm_connector_list_iter_begin(dev, &iter);
+	drm_for_each_connector_iter(connector, &iter)
+		drm_helper_connector_dpms(connector,
+					  DRM_MODE_DPMS_OFF);
+	drm_connector_list_iter_end(&iter);
+	drm_modeset_unlock_all(dev);
+	/* unpin the front buffers and cursors */
+	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+		struct drm_framebuffer *fb = crtc->primary->fb;
+		struct amdgpu_bo *robj;
+
+		if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) {
+			struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+			r = amdgpu_bo_reserve(aobj, true);
+			if (r == 0) {
+				amdgpu_bo_unpin(aobj);
+				amdgpu_bo_unreserve(aobj);
+			}
+		}
+
+		if (fb == NULL || fb->obj[0] == NULL) {
+			continue;
+		}
+		robj = gem_to_amdgpu_bo(fb->obj[0]);
+		/* don't unpin kernel fb objects */
+		if (!amdgpu_fbdev_robj_is_fb(adev, robj)) {
+			r = amdgpu_bo_reserve(robj, true);
+			if (r == 0) {
+				amdgpu_bo_unpin(robj);
+				amdgpu_bo_unreserve(robj);
+			}
+		}
+	}
+	return r;
+}
+
+int amdgpu_display_resume_helper(struct amdgpu_device *adev)
+{
+	struct drm_device *dev = adev_to_drm(adev);
+	struct drm_connector *connector;
+	struct drm_connector_list_iter iter;
+	struct drm_crtc *crtc;
+	int r;
+
+	/* pin cursors */
+	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+		if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) {
+			struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+			r = amdgpu_bo_reserve(aobj, true);
+			if (r == 0) {
+				r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
+				if (r != 0)
+					dev_err(adev->dev, "Failed to pin cursor BO (%d)\n", r);
+				amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
+				amdgpu_bo_unreserve(aobj);
+			}
+		}
+	}
+
+	drm_helper_resume_force_mode(dev);
+
+	/* turn on display hw */
+	drm_modeset_lock_all(dev);
+
+	drm_connector_list_iter_begin(dev, &iter);
+	drm_for_each_connector_iter(connector, &iter)
+		drm_helper_connector_dpms(connector,
+					  DRM_MODE_DPMS_ON);
+	drm_connector_list_iter_end(&iter);
+
+	drm_modeset_unlock_all(dev);
+
+	return 0;
+}
+

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

@@ -47,4 +47,7 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 const struct drm_format_info *
 amdgpu_lookup_format_info(u32 format, uint64_t modifier);
 
+int amdgpu_display_suspend_helper(struct amdgpu_device *adev);
+int amdgpu_display_resume_helper(struct amdgpu_device *adev);
+
 #endif

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

@@ -1107,6 +1107,7 @@ static const struct pci_device_id pciidlist[] = {
 	{0x1002, 0x73A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID},
 	{0x1002, 0x73AB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID},
 	{0x1002, 0x73AE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID},
+	{0x1002, 0x73AF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID},
 	{0x1002, 0x73BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SIENNA_CICHLID},
 
 	/* Van Gogh */
@@ -1274,24 +1275,35 @@ amdgpu_pci_shutdown(struct pci_dev *pdev)
 	 */
 	if (!amdgpu_passthrough(adev))
 		adev->mp1_state = PP_MP1_STATE_UNLOAD;
-	adev->in_poweroff_reboot_com = true;
 	amdgpu_device_ip_suspend(adev);
-	adev->in_poweroff_reboot_com = false;
 	adev->mp1_state = PP_MP1_STATE_NONE;
 }
 
 static int amdgpu_pmops_suspend(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
+	struct amdgpu_device *adev = drm_to_adev(drm_dev);
+	int r;
 
-	return amdgpu_device_suspend(drm_dev, true);
+	if (amdgpu_acpi_is_s0ix_supported(adev))
+		adev->in_s0ix = true;
+	adev->in_s3 = true;
+	r = amdgpu_device_suspend(drm_dev, true);
+	adev->in_s3 = false;
+
+	return r;
 }
 
 static int amdgpu_pmops_resume(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
+	struct amdgpu_device *adev = drm_to_adev(drm_dev);
+	int r;
 
-	return amdgpu_device_resume(drm_dev, true);
+	r = amdgpu_device_resume(drm_dev, true);
+	if (amdgpu_acpi_is_s0ix_supported(adev))
+		adev->in_s0ix = false;
+	return r;
 }
 
 static int amdgpu_pmops_freeze(struct device *dev)
@@ -1300,9 +1312,9 @@ static int amdgpu_pmops_freeze(struct device *dev)
 	struct amdgpu_device *adev = drm_to_adev(drm_dev);
 	int r;
 
-	adev->in_hibernate = true;
+	adev->in_s4 = true;
 	r = amdgpu_device_suspend(drm_dev, true);
-	adev->in_hibernate = false;
+	adev->in_s4 = false;
 	if (r)
 		return r;
 	return amdgpu_asic_reset(adev);
@@ -1318,13 +1330,8 @@ static int amdgpu_pmops_thaw(struct device *dev)
 static int amdgpu_pmops_poweroff(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
-	struct amdgpu_device *adev = drm_to_adev(drm_dev);
-	int r;
 
-	adev->in_poweroff_reboot_com = true;
+	return amdgpu_device_suspend(drm_dev, true);
-	r =  amdgpu_device_suspend(drm_dev, true);
-	adev->in_poweroff_reboot_com = false;
-	return r;
 }
 
 static int amdgpu_pmops_restore(struct device *dev)

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

@@ -1028,13 +1028,10 @@ int amdgpu_bo_evict_vram(struct amdgpu_device *adev)
 {
 	struct ttm_resource_manager *man;
 
-	/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */
+	if (adev->in_s3 && (adev->flags & AMD_IS_APU)) {
-#ifndef CONFIG_HIBERNATION
+		/* No need to evict vram on APUs for suspend to ram */
-	if (adev->flags & AMD_IS_APU) {
-		/* Useless to evict on IGP chips */
 		return 0;
 	}
-#endif
 
 	man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
 	return ttm_resource_manager_evict_all(&adev->mman.bdev, man);

drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

@@ -2897,6 +2897,11 @@ static int dce_v10_0_hw_fini(void *handle)
 static int dce_v10_0_suspend(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int r;
+
+	r = amdgpu_display_suspend_helper(adev);
+	if (r)
+		return r;
 
 	adev->mode_info.bl_level =
 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
@@ -2921,8 +2926,10 @@ static int dce_v10_0_resume(void *handle)
 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
 						    bl_level);
 	}
+	if (ret)
+		return ret;
 
-	return ret;
+	return amdgpu_display_resume_helper(adev);
 }
 
 static bool dce_v10_0_is_idle(void *handle)

drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

@@ -3027,6 +3027,11 @@ static int dce_v11_0_hw_fini(void *handle)
 static int dce_v11_0_suspend(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int r;
+
+	r = amdgpu_display_suspend_helper(adev);
+	if (r)
+		return r;
 
 	adev->mode_info.bl_level =
 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
@@ -3051,8 +3056,10 @@ static int dce_v11_0_resume(void *handle)
 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
 						    bl_level);
 	}
+	if (ret)
+		return ret;
 
-	return ret;
+	return amdgpu_display_resume_helper(adev);
 }
 
 static bool dce_v11_0_is_idle(void *handle)

drivers/gpu/drm/amd/amdgpu/dce_v6_0.c

@@ -2770,7 +2770,11 @@ static int dce_v6_0_hw_fini(void *handle)
 static int dce_v6_0_suspend(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int r;
 
+	r = amdgpu_display_suspend_helper(adev);
+	if (r)
+		return r;
 	adev->mode_info.bl_level =
 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
 
@@ -2794,8 +2798,10 @@ static int dce_v6_0_resume(void *handle)
 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
 						    bl_level);
 	}
+	if (ret)
+		return ret;
 
-	return ret;
+	return amdgpu_display_resume_helper(adev);
 }
 
 static bool dce_v6_0_is_idle(void *handle)

drivers/gpu/drm/amd/amdgpu/dce_v8_0.c

@@ -2796,6 +2796,11 @@ static int dce_v8_0_hw_fini(void *handle)
 static int dce_v8_0_suspend(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int r;
+
+	r = amdgpu_display_suspend_helper(adev);
+	if (r)
+		return r;
 
 	adev->mode_info.bl_level =
 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
@@ -2820,8 +2825,10 @@ static int dce_v8_0_resume(void *handle)
 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
 						    bl_level);
 	}
+	if (ret)
+		return ret;
 
-	return ret;
+	return amdgpu_display_resume_helper(adev);
 }
 
 static bool dce_v8_0_is_idle(void *handle)

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

@@ -39,6 +39,7 @@
 #include "dce_v11_0.h"
 #include "dce_virtual.h"
 #include "ivsrcid/ivsrcid_vislands30.h"
+#include "amdgpu_display.h"
 
 #define DCE_VIRTUAL_VBLANK_PERIOD 16666666
 
@@ -491,12 +492,24 @@ static int dce_virtual_hw_fini(void *handle)
 
 static int dce_virtual_suspend(void *handle)
 {
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int r;
+
+	r = amdgpu_display_suspend_helper(adev);
+	if (r)
+		return r;
 	return dce_virtual_hw_fini(handle);
 }
 
 static int dce_virtual_resume(void *handle)
 {
-	return dce_virtual_hw_init(handle);
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int r;
+
+	r = dce_virtual_hw_init(handle);
+	if (r)
+		return r;
+	return amdgpu_display_resume_helper(adev);
 }
 
 static bool dce_virtual_is_idle(void *handle)

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c

@@ -341,8 +341,7 @@ void enc2_hw_init(struct link_encoder *enc)
 	} else {
 		AUX_REG_WRITE(AUX_DPHY_RX_CONTROL0, 0x103d1110);
 
-		AUX_REG_WRITE(AUX_DPHY_TX_CONTROL, 0x21c4d);
+		AUX_REG_WRITE(AUX_DPHY_TX_CONTROL, 0x21c7a);
-
 	}
 
 	//AUX_DPHY_TX_REF_CONTROL'AUX_TX_REF_DIV HW default is 0x32;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

@@ -587,6 +587,48 @@ static int smu7_force_switch_to_arbf0(struct pp_hwmgr *hwmgr)
 			tmp, MC_CG_ARB_FREQ_F0);
 }
 
+static uint16_t smu7_override_pcie_speed(struct pp_hwmgr *hwmgr)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+	uint16_t pcie_gen = 0;
+
+	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4 &&
+	    adev->pm.pcie_gen_mask & CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4)
+		pcie_gen = 3;
+	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 &&
+		adev->pm.pcie_gen_mask & CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3)
+		pcie_gen = 2;
+	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 &&
+		adev->pm.pcie_gen_mask & CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2)
+		pcie_gen = 1;
+	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 &&
+		adev->pm.pcie_gen_mask & CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1)
+		pcie_gen = 0;
+
+	return pcie_gen;
+}
+
+static uint16_t smu7_override_pcie_width(struct pp_hwmgr *hwmgr)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+	uint16_t pcie_width = 0;
+
+	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
+		pcie_width = 16;
+	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
+		pcie_width = 12;
+	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
+		pcie_width = 8;
+	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
+		pcie_width = 4;
+	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
+		pcie_width = 2;
+	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
+		pcie_width = 1;
+
+	return pcie_width;
+}
+
 static int smu7_setup_default_pcie_table(struct pp_hwmgr *hwmgr)
 {
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
@@ -683,6 +725,11 @@ static int smu7_setup_default_pcie_table(struct pp_hwmgr *hwmgr)
 					PP_Min_PCIEGen),
 			get_pcie_lane_support(data->pcie_lane_cap,
 					PP_Max_PCIELane));
+
+		if (data->pcie_dpm_key_disabled)
+			phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table,
+				data->dpm_table.pcie_speed_table.count,
+				smu7_override_pcie_speed(hwmgr), smu7_override_pcie_width(hwmgr));
 	}
 	return 0;
 }
@@ -1248,6 +1295,13 @@ static int smu7_start_dpm(struct pp_hwmgr *hwmgr)
 						NULL)),
 				"Failed to enable pcie DPM during DPM Start Function!",
 				return -EINVAL);
+	} else {
+		PP_ASSERT_WITH_CODE(
+				(0 == smum_send_msg_to_smc(hwmgr,
+						PPSMC_MSG_PCIeDPM_Disable,
+						NULL)),
+				"Failed to disble pcie DPM during DPM Start Function!",
+				return -EINVAL);
 	}
 
 	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

@@ -54,6 +54,9 @@
 #include "smuio/smuio_9_0_offset.h"
 #include "smuio/smuio_9_0_sh_mask.h"
 
+#define smnPCIE_LC_SPEED_CNTL			0x11140290
+#define smnPCIE_LC_LINK_WIDTH_CNTL		0x11140288
+
 #define HBM_MEMORY_CHANNEL_WIDTH    128
 
 static const uint32_t channel_number[] = {1, 2, 0, 4, 0, 8, 0, 16, 2};
@@ -443,8 +446,7 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr)
 	if (PP_CAP(PHM_PlatformCaps_VCEDPM))
 		data->smu_features[GNLD_DPM_VCE].supported = true;
 
-	if (!data->registry_data.pcie_dpm_key_disabled)
+	data->smu_features[GNLD_DPM_LINK].supported = true;
-		data->smu_features[GNLD_DPM_LINK].supported = true;
 
 	if (!data->registry_data.dcefclk_dpm_key_disabled)
 		data->smu_features[GNLD_DPM_DCEFCLK].supported = true;
@@ -1544,6 +1546,13 @@ static int vega10_override_pcie_parameters(struct pp_hwmgr *hwmgr)
 			pp_table->PcieLaneCount[i] = pcie_width;
 	}
 
+	if (data->registry_data.pcie_dpm_key_disabled) {
+		for (i = 0; i < NUM_LINK_LEVELS; i++) {
+			pp_table->PcieGenSpeed[i] = pcie_gen;
+			pp_table->PcieLaneCount[i] = pcie_width;
+		}
+	}
+
 	return 0;
 }
 
@@ -2966,6 +2975,14 @@ static int vega10_start_dpm(struct pp_hwmgr *hwmgr, uint32_t bitmap)
 		}
 	}
 
+	if (data->registry_data.pcie_dpm_key_disabled) {
+		PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr,
+				false, data->smu_features[GNLD_DPM_LINK].smu_feature_bitmap),
+		"Attempt to Disable Link DPM feature Failed!", return -EINVAL);
+		data->smu_features[GNLD_DPM_LINK].enabled = false;
+		data->smu_features[GNLD_DPM_LINK].supported = false;
+	}
+
 	return 0;
 }
 
@@ -4584,6 +4601,24 @@ static int vega10_set_ppfeature_status(struct pp_hwmgr *hwmgr, uint64_t new_ppfe
 	return 0;
 }
 
+static int vega10_get_current_pcie_link_width_level(struct pp_hwmgr *hwmgr)
+{
+	struct amdgpu_device *adev = hwmgr->adev;
+
+	return (RREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL) &
+		PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK)
+		>> PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT;
+}
+
+static int vega10_get_current_pcie_link_speed_level(struct pp_hwmgr *hwmgr)
+{
+	struct amdgpu_device *adev = hwmgr->adev;
+
+	return (RREG32_PCIE(smnPCIE_LC_SPEED_CNTL) &
+		PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK)
+		>> PSWUSP0_PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT;
+}
+
 static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 		enum pp_clock_type type, char *buf)
 {
@@ -4592,8 +4627,9 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 	struct vega10_single_dpm_table *mclk_table = &(data->dpm_table.mem_table);
 	struct vega10_single_dpm_table *soc_table = &(data->dpm_table.soc_table);
 	struct vega10_single_dpm_table *dcef_table = &(data->dpm_table.dcef_table);
-	struct vega10_pcie_table *pcie_table = &(data->dpm_table.pcie_table);
 	struct vega10_odn_clock_voltage_dependency_table *podn_vdd_dep = NULL;
+	uint32_t gen_speed, lane_width, current_gen_speed, current_lane_width;
+	PPTable_t *pptable = &(data->smc_state_table.pp_table);
 
 	int i, now, size = 0, count = 0;
 
@@ -4650,15 +4686,31 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 					"*" : "");
 		break;
 	case PP_PCIE:
-		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentLinkIndex, &now);
+		current_gen_speed =
+			vega10_get_current_pcie_link_speed_level(hwmgr);
+		current_lane_width =
+			vega10_get_current_pcie_link_width_level(hwmgr);
+		for (i = 0; i < NUM_LINK_LEVELS; i++) {
+			gen_speed = pptable->PcieGenSpeed[i];
+			lane_width = pptable->PcieLaneCount[i];
 
-		for (i = 0; i < pcie_table->count; i++)
+			size += sprintf(buf + size, "%d: %s %s %s\n", i,
-			size += sprintf(buf + size, "%d: %s %s\n", i,
+					(gen_speed == 0) ? "2.5GT/s," :
-					(pcie_table->pcie_gen[i] == 0) ? "2.5GT/s, x1" :
+					(gen_speed == 1) ? "5.0GT/s," :
-					(pcie_table->pcie_gen[i] == 1) ? "5.0GT/s, x16" :
+					(gen_speed == 2) ? "8.0GT/s," :
-					(pcie_table->pcie_gen[i] == 2) ? "8.0GT/s, x16" : "",
+					(gen_speed == 3) ? "16.0GT/s," : "",
-					(i == now) ? "*" : "");
+					(lane_width == 1) ? "x1" :
+					(lane_width == 2) ? "x2" :
+					(lane_width == 3) ? "x4" :
+					(lane_width == 4) ? "x8" :
+					(lane_width == 5) ? "x12" :
+					(lane_width == 6) ? "x16" : "",
+					(current_gen_speed == gen_speed) &&
+					(current_lane_width == lane_width) ?
+					"*" : "");
+		}
 		break;
+
 	case OD_SCLK:
 		if (hwmgr->od_enabled) {
 			size = sprintf(buf, "%s:\n", "OD_SCLK");

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c

@@ -133,6 +133,7 @@ static void vega12_set_default_registry_data(struct pp_hwmgr *hwmgr)
 	data->registry_data.auto_wattman_debug = 0;
 	data->registry_data.auto_wattman_sample_period = 100;
 	data->registry_data.auto_wattman_threshold = 50;
+	data->registry_data.pcie_dpm_key_disabled = !(hwmgr->feature_mask & PP_PCIE_DPM_MASK);
 }
 
 static int vega12_set_features_platform_caps(struct pp_hwmgr *hwmgr)
@@ -539,6 +540,29 @@ static int vega12_override_pcie_parameters(struct pp_hwmgr *hwmgr)
 		pp_table->PcieLaneCount[i] = pcie_width_arg;
 	}
 
+	/* override to the highest if it's disabled from ppfeaturmask */
+	if (data->registry_data.pcie_dpm_key_disabled) {
+		for (i = 0; i < NUM_LINK_LEVELS; i++) {
+			smu_pcie_arg = (i << 16) | (pcie_gen << 8) | pcie_width;
+			ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+				PPSMC_MSG_OverridePcieParameters, smu_pcie_arg,
+				NULL);
+			PP_ASSERT_WITH_CODE(!ret,
+				"[OverridePcieParameters] Attempt to override pcie params failed!",
+				return ret);
+
+			pp_table->PcieGenSpeed[i] = pcie_gen;
+			pp_table->PcieLaneCount[i] = pcie_width;
+		}
+		ret = vega12_enable_smc_features(hwmgr,
+				false,
+				data->smu_features[GNLD_DPM_LINK].smu_feature_bitmap);
+		PP_ASSERT_WITH_CODE(!ret,
+				"Attempt to Disable DPM LINK Failed!",
+				return ret);
+		data->smu_features[GNLD_DPM_LINK].enabled = false;
+		data->smu_features[GNLD_DPM_LINK].supported = false;
+	}
 	return 0;
 }
 

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

@@ -171,6 +171,7 @@ static void vega20_set_default_registry_data(struct pp_hwmgr *hwmgr)
 	data->registry_data.gfxoff_controlled_by_driver = 1;
 	data->gfxoff_allowed = false;
 	data->counter_gfxoff = 0;
+	data->registry_data.pcie_dpm_key_disabled = !(hwmgr->feature_mask & PP_PCIE_DPM_MASK);
 }
 
 static int vega20_set_features_platform_caps(struct pp_hwmgr *hwmgr)
@@ -884,6 +885,30 @@ static int vega20_override_pcie_parameters(struct pp_hwmgr *hwmgr)
 		pp_table->PcieLaneCount[i] = pcie_width_arg;
 	}
 
+	/* override to the highest if it's disabled from ppfeaturmask */
+	if (data->registry_data.pcie_dpm_key_disabled) {
+		for (i = 0; i < NUM_LINK_LEVELS; i++) {
+			smu_pcie_arg = (i << 16) | (pcie_gen << 8) | pcie_width;
+			ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+				PPSMC_MSG_OverridePcieParameters, smu_pcie_arg,
+				NULL);
+			PP_ASSERT_WITH_CODE(!ret,
+				"[OverridePcieParameters] Attempt to override pcie params failed!",
+				return ret);
+
+			pp_table->PcieGenSpeed[i] = pcie_gen;
+			pp_table->PcieLaneCount[i] = pcie_width;
+		}
+		ret = vega20_enable_smc_features(hwmgr,
+				false,
+				data->smu_features[GNLD_DPM_LINK].smu_feature_bitmap);
+		PP_ASSERT_WITH_CODE(!ret,
+				"Attempt to Disable DPM LINK Failed!",
+				return ret);
+		data->smu_features[GNLD_DPM_LINK].enabled = false;
+		data->smu_features[GNLD_DPM_LINK].supported = false;
+	}
+
 	return 0;
 }
 

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

@@ -1294,7 +1294,7 @@ static int smu_disable_dpms(struct smu_context *smu)
 	bool use_baco = !smu->is_apu &&
 		((amdgpu_in_reset(adev) &&
 		  (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
-		 ((adev->in_runpm || adev->in_hibernate) && amdgpu_asic_supports_baco(adev)));
+		 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
 
 	/*
 	 * For custom pptable uploading, skip the DPM features
@@ -1431,7 +1431,8 @@ static int smu_suspend(void *handle)
 
 	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
 
-	if (smu->is_apu)
+	/* skip CGPG when in S0ix */
+	if (smu->is_apu && !adev->in_s0ix)
 		smu_set_gfx_cgpg(&adev->smu, false);
 
 	return 0;