Merge tag 'amd-drm-next-6.15-2025-03-07' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amdgpu:
- Fix spelling typos
- RAS updates
- VCN 5.0.1 updates
- SubVP fixes
- DCN 4.0.1 fixes
- MSO DPCD fixes
- DIO encoder refactor
- PCON fixes
- Misc cleanups
- DMCUB fixes
- USB4 DP fixes
- DM cleanups
- Backlight cleanups and fixes
- Support platform backlight curves
- Misc code cleanups
- SMU 14 fixes
- JPEG 4.0.3 reset updates
- SR-IOV fixes
- SVM fixes
- GC 12 DCC fixes
- DC DCE 6.x fix
- Hiberation fix

amdkfd:
- Fix possible NULL pointer in queue validation
- Remove unnecessary CP domain validation
- SDMA queue reset support
- Add per process flags

radeon:
- Fix spelling typos
- RS400 hyperZ fix

UAPI:
- Add KFD per process flags for setting precision
  Proposed user space: https://github.com/ROCm/ROCR-Runtime/commit/2a64fa5e06e80e0af36df4ce0c76ae52eeec0a9d

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250307211051.1880472-1-alexander.deucher@amd.com

97 files changed, 1493 insertions, 1354 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 16e4eb474eec..6a54f1cfa125 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -321,7 +321,7 @@ static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
 	return 0;
 }
 
-static bool dm_is_idle(void *handle)
+static bool dm_is_idle(struct amdgpu_ip_block *ip_block)
 {
 	/* XXX todo */
 	return true;
@@ -1625,75 +1625,130 @@ static bool dm_should_disable_stutter(struct pci_dev *pdev)
 	return false;
 }
 
-static const struct dmi_system_id hpd_disconnect_quirk_table[] = {
+struct amdgpu_dm_quirks {
+	bool aux_hpd_discon;
+	bool support_edp0_on_dp1;
+};
+
+static struct amdgpu_dm_quirks quirk_entries = {
+	.aux_hpd_discon = false,
+	.support_edp0_on_dp1 = false
+};
+
+static int edp0_on_dp1_callback(const struct dmi_system_id *id)
+{
+	quirk_entries.support_edp0_on_dp1 = true;
+	return 0;
+}
+
+static int aux_hpd_discon_callback(const struct dmi_system_id *id)
+{
+	quirk_entries.aux_hpd_discon = true;
+	return 0;
+}
+
+static const struct dmi_system_id dmi_quirk_table[] = {
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3660"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3260"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3460"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower Plus 7010"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower 7010"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF Plus 7010"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF 7010"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro Plus 7010"),
 		},
 	},
 	{
+		.callback = aux_hpd_discon_callback,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro 7010"),
 		},
 	},
+	{
+		.callback = edp0_on_dp1_callback,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Elite mt645 G8 Mobile Thin Client"),
+		},
+	},
+	{
+		.callback = edp0_on_dp1_callback,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 665 16 inch G11 Notebook PC"),
+		},
+	},
 	{}
 	/* TODO: refactor this from a fixed table to a dynamic option */
 };
 
-static void retrieve_dmi_info(struct amdgpu_display_manager *dm)
+static void retrieve_dmi_info(struct amdgpu_display_manager *dm, struct dc_init_data *init_data)
 {
-	const struct dmi_system_id *dmi_id;
+	int dmi_id;
+	struct drm_device *dev = dm->ddev;
 
 	dm->aux_hpd_discon_quirk = false;
+	init_data->flags.support_edp0_on_dp1 = false;
+
+	dmi_id = dmi_check_system(dmi_quirk_table);
 
-	dmi_id = dmi_first_match(hpd_disconnect_quirk_table);
-	if (dmi_id) {
+	if (!dmi_id)
+		return;
+
+	if (quirk_entries.aux_hpd_discon) {
 		dm->aux_hpd_discon_quirk = true;
-		DRM_INFO("aux_hpd_discon_quirk attached\n");
+		drm_info(dev, "aux_hpd_discon_quirk attached\n");
+	}
+	if (quirk_entries.support_edp0_on_dp1) {
+		init_data->flags.support_edp0_on_dp1 = true;
+		drm_info(dev, "aux_hpd_discon_quirk attached\n");
 	}
 }
 
@@ -2002,7 +2057,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 	if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 0, 0))
 		init_data.num_virtual_links = 1;
 
-	retrieve_dmi_info(&adev->dm);
+	retrieve_dmi_info(&adev->dm, &init_data);
 
 	if (adev->dm.bb_from_dmub)
 		init_data.bb_from_dmub = adev->dm.bb_from_dmub;
@@ -3031,10 +3086,11 @@ static void dm_gpureset_toggle_interrupts(struct amdgpu_device *adev,
 
 }
 
+DEFINE_FREE(state_release, struct dc_state *, if (_T) dc_state_release(_T))
+
 static enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc)
 {
-	struct dc_state *context = NULL;
-	enum dc_status res = DC_ERROR_UNEXPECTED;
+	struct dc_state *context __free(state_release) = NULL;
 	int i;
 	struct dc_stream_state *del_streams[MAX_PIPES];
 	int del_streams_count = 0;
@@ -3044,7 +3100,7 @@ static enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc)
 
 	context = dc_state_create_current_copy(dc);
 	if (context == NULL)
-		goto context_alloc_fail;
+		return DC_ERROR_UNEXPECTED;
 
 	/* First remove from context all streams */
 	for (i = 0; i < context->stream_count; i++) {
@@ -3055,25 +3111,20 @@ static enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc)
 
 	/* Remove all planes for removed streams and then remove the streams */
 	for (i = 0; i < del_streams_count; i++) {
-		if (!dc_state_rem_all_planes_for_stream(dc, del_streams[i], context)) {
-			res = DC_FAIL_DETACH_SURFACES;
-			goto fail;
-		}
+		enum dc_status res;
+
+		if (!dc_state_rem_all_planes_for_stream(dc, del_streams[i], context))
+			return DC_FAIL_DETACH_SURFACES;
 
 		res = dc_state_remove_stream(dc, context, del_streams[i]);
 		if (res != DC_OK)
-			goto fail;
+			return res;
 	}
 
 	params.streams = context->streams;
 	params.stream_count = context->stream_count;
-	res = dc_commit_streams(dc, &params);
-
-fail:
-	dc_state_release(context);
 
-context_alloc_fail:
-	return res;
+	return dc_commit_streams(dc, &params);
 }
 
 static void hpd_rx_irq_work_suspend(struct amdgpu_display_manager *dm)
@@ -3090,9 +3141,10 @@ static int dm_suspend(struct amdgpu_ip_block *ip_block)
 {
 	struct amdgpu_device *adev = ip_block->adev;
 	struct amdgpu_display_manager *dm = &adev->dm;
-	int ret = 0;
 
 	if (amdgpu_in_reset(adev)) {
+		enum dc_status res;
+
 		mutex_lock(&dm->dc_lock);
 
 		dc_allow_idle_optimizations(adev->dm.dc, false);
@@ -3102,13 +3154,17 @@ static int dm_suspend(struct amdgpu_ip_block *ip_block)
 		if (dm->cached_dc_state)
 			dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false);
 
-		amdgpu_dm_commit_zero_streams(dm->dc);
+		res = amdgpu_dm_commit_zero_streams(dm->dc);
+		if (res != DC_OK) {
+			drm_err(adev_to_drm(adev), "Failed to commit zero streams: %d\n", res);
+			return -EINVAL;
+		}
 
 		amdgpu_dm_irq_suspend(adev);
 
 		hpd_rx_irq_work_suspend(dm);
 
-		return ret;
+		return 0;
 	}
 
 	WARN_ON(adev->dm.cached_state);
@@ -3245,14 +3301,14 @@ static void dm_gpureset_commit_state(struct dc_state *dc_state,
 		struct dc_scaling_info scaling_infos[MAX_SURFACES];
 		struct dc_flip_addrs flip_addrs[MAX_SURFACES];
 		struct dc_stream_update stream_update;
-	} *bundle;
+	} *bundle __free(kfree);
 	int k, m;
 
 	bundle = kzalloc(sizeof(*bundle), GFP_KERNEL);
 
 	if (!bundle) {
 		drm_err(dm->ddev, "Failed to allocate update bundle\n");
-		goto cleanup;
+		return;
 	}
 
 	for (k = 0; k < dc_state->stream_count; k++) {
@@ -3272,9 +3328,24 @@ static void dm_gpureset_commit_state(struct dc_state *dc_state,
 					 &bundle->stream_update,
 					 bundle->surface_updates);
 	}
+}
 
-cleanup:
-	kfree(bundle);
+static void apply_delay_after_dpcd_poweroff(struct amdgpu_device *adev,
+					    struct dc_sink *sink)
+{
+	struct dc_panel_patch *ppatch = NULL;
+
+	if (!sink)
+		return;
+
+	ppatch = &sink->edid_caps.panel_patch;
+	if (ppatch->wait_after_dpcd_poweroff_ms) {
+		msleep(ppatch->wait_after_dpcd_poweroff_ms);
+		drm_dbg_driver(adev_to_drm(adev),
+			       "%s: adding a %ds delay as w/a for panel\n",
+			       __func__,
+			       ppatch->wait_after_dpcd_poweroff_ms / 1000);
+	}
 }
 
 static int dm_resume(struct amdgpu_ip_block *ip_block)
@@ -3323,7 +3394,7 @@ static int dm_resume(struct amdgpu_ip_block *ip_block)
 
 		r = dm_dmub_hw_init(adev);
 		if (r)
-			DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
+			drm_err(adev_to_drm(adev), "DMUB interface failed to initialize: status=%d\n", r);
 
 		dc_dmub_srv_set_power_state(dm->dc->ctx->dmub_srv, DC_ACPI_CM_POWER_STATE_D0);
 		dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);
@@ -3363,6 +3434,11 @@ static int dm_resume(struct amdgpu_ip_block *ip_block)
 
 		return 0;
 	}
+
+	/* leave display off for S4 sequence */
+	if (adev->in_s4)
+		return 0;
+
 	/* Recreate dc_state - DC invalidates it when setting power state to S3. */
 	dc_state_release(dm_state->context);
 	dm_state->context = dc_state_create(dm->dc, NULL);
@@ -3398,6 +3474,7 @@ static int dm_resume(struct amdgpu_ip_block *ip_block)
 	/* Do detection*/
 	drm_connector_list_iter_begin(ddev, &iter);
 	drm_for_each_connector_iter(connector, &iter) {
+		bool ret;
 
 		if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
 			continue;
@@ -3414,17 +3491,20 @@ static int dm_resume(struct amdgpu_ip_block *ip_block)
 		if (aconnector->mst_root)
 			continue;
 
-		mutex_lock(&aconnector->hpd_lock);
+		guard(mutex)(&aconnector->hpd_lock);
 		if (!dc_link_detect_connection_type(aconnector->dc_link, &new_connection_type))
-			DRM_ERROR("KMS: Failed to detect connector\n");
+			drm_err(adev_to_drm(adev), "KMS: Failed to detect connector\n");
 
 		if (aconnector->base.force && new_connection_type == dc_connection_none) {
 			emulated_link_detect(aconnector->dc_link);
 		} else {
-			mutex_lock(&dm->dc_lock);
+			guard(mutex)(&dm->dc_lock);
 			dc_exit_ips_for_hw_access(dm->dc);
-			dc_link_detect(aconnector->dc_link, DETECT_REASON_RESUMEFROMS3S4);
-			mutex_unlock(&dm->dc_lock);
+			ret = dc_link_detect(aconnector->dc_link, DETECT_REASON_RESUMEFROMS3S4);
+			if (ret) {
+				/* w/a delay for certain panels */
+				apply_delay_after_dpcd_poweroff(adev, aconnector->dc_sink);
+			}
 		}
 
 		if (aconnector->fake_enable && aconnector->dc_link->local_sink)
@@ -3434,7 +3514,6 @@ static int dm_resume(struct amdgpu_ip_block *ip_block)
 			dc_sink_release(aconnector->dc_sink);
 		aconnector->dc_sink = NULL;
 		amdgpu_dm_update_connector_after_detect(aconnector);
-		mutex_unlock(&aconnector->hpd_lock);
 	}
 	drm_connector_list_iter_end(&iter);
 
@@ -3603,12 +3682,14 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
 		caps->min_input_signal = min_input_signal_override;
 }
 
+DEFINE_FREE(sink_release, struct dc_sink *, if (_T) dc_sink_release(_T))
+
 void amdgpu_dm_update_connector_after_detect(
 		struct amdgpu_dm_connector *aconnector)
 {
 	struct drm_connector *connector = &aconnector->base;
+	struct dc_sink *sink __free(sink_release) = NULL;
 	struct drm_device *dev = connector->dev;
-	struct dc_sink *sink;
 
 	/* MST handled by drm_mst framework */
 	if (aconnector->mst_mgr.mst_state == true)
@@ -3630,7 +3711,7 @@ void amdgpu_dm_update_connector_after_detect(
 		 * For S3 resume with headless use eml_sink to fake stream
 		 * because on resume connector->sink is set to NULL
 		 */
-		mutex_lock(&dev->mode_config.mutex);
+		guard(mutex)(&dev->mode_config.mutex);
 
 		if (sink) {
 			if (aconnector->dc_sink) {
@@ -3655,10 +3736,6 @@ void amdgpu_dm_update_connector_after_detect(
 			}
 		}
 
-		mutex_unlock(&dev->mode_config.mutex);
-
-		if (sink)
-			dc_sink_release(sink);
 		return;
 	}
 
@@ -3666,10 +3743,8 @@ void amdgpu_dm_update_connector_after_detect(
 	 * TODO: temporary guard to look for proper fix
 	 * if this sink is MST sink, we should not do anything
 	 */
-	if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
-		dc_sink_release(sink);
+	if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
 		return;
-	}
 
 	if (aconnector->dc_sink == sink) {
 		/*
@@ -3678,15 +3753,13 @@ void amdgpu_dm_update_connector_after_detect(
 		 */
 		drm_dbg_kms(dev, "DCHPD: connector_id=%d: dc_sink didn't change.\n",
 				 aconnector->connector_id);
-		if (sink)
-			dc_sink_release(sink);
 		return;
 	}
 
 	drm_dbg_kms(dev, "DCHPD: connector_id=%d: Old sink=%p New sink=%p\n",
 		    aconnector->connector_id, aconnector->dc_sink, sink);
 
-	mutex_lock(&dev->mode_config.mutex);
+	guard(mutex)(&dev->mode_config.mutex);
 
 	/*
 	 * 1. Update status of the drm connector
@@ -3748,12 +3821,7 @@ void amdgpu_dm_update_connector_after_detect(
 			connector->state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED;
 	}
 
-	mutex_unlock(&dev->mode_config.mutex);
-
 	update_subconnector_property(aconnector);
-
-	if (sink)
-		dc_sink_release(sink);
 }
 
 static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector)
@@ -3773,7 +3841,7 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector)
 	 * In case of failure or MST no need to update connector status or notify the OS
 	 * since (for MST case) MST does this in its own context.
 	 */
-	mutex_lock(&aconnector->hpd_lock);
+	guard(mutex)(&aconnector->hpd_lock);
 
 	if (adev->dm.hdcp_workqueue) {
 		hdcp_reset_display(adev->dm.hdcp_workqueue, aconnector->dc_link->link_index);
@@ -3785,7 +3853,7 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector)
 	aconnector->timing_changed = false;
 
 	if (!dc_link_detect_connection_type(aconnector->dc_link, &new_connection_type))
-		DRM_ERROR("KMS: Failed to detect connector\n");
+		drm_err(adev_to_drm(adev), "KMS: Failed to detect connector\n");
 
 	if (aconnector->base.force && new_connection_type == dc_connection_none) {
 		emulated_link_detect(aconnector->dc_link);
@@ -3797,11 +3865,13 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector)
 		if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
 			drm_kms_helper_connector_hotplug_event(connector);
 	} else {
-		mutex_lock(&adev->dm.dc_lock);
-		dc_exit_ips_for_hw_access(dc);
-		ret = dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD);
-		mutex_unlock(&adev->dm.dc_lock);
+		scoped_guard(mutex, &adev->dm.dc_lock) {
+			dc_exit_ips_for_hw_access(dc);
+			ret = dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD);
+		}
 		if (ret) {
+			/* w/a delay for certain panels */
+			apply_delay_after_dpcd_poweroff(adev, aconnector->dc_sink);
 			amdgpu_dm_update_connector_after_detect(aconnector);
 
 			drm_modeset_lock_all(dev);
@@ -3812,8 +3882,6 @@ static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector)
 				drm_kms_helper_connector_hotplug_event(connector);
 		}
 	}
-	mutex_unlock(&aconnector->hpd_lock);
-
 }
 
 static void handle_hpd_irq(void *param)
@@ -4653,48 +4721,40 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
 static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm,
 					    int bl_idx)
 {
-#if defined(CONFIG_ACPI)
-	struct amdgpu_dm_backlight_caps caps;
+	struct amdgpu_dm_backlight_caps *caps = &dm->backlight_caps[bl_idx];
 
-	memset(&caps, 0, sizeof(caps));
-
-	if (dm->backlight_caps[bl_idx].caps_valid)
+	if (caps->caps_valid)
 		return;
 
-	amdgpu_acpi_get_backlight_caps(&caps);
+#if defined(CONFIG_ACPI)
+	amdgpu_acpi_get_backlight_caps(caps);
 
 	/* validate the firmware value is sane */
-	if (caps.caps_valid) {
-		int spread = caps.max_input_signal - caps.min_input_signal;
+	if (caps->caps_valid) {
+		int spread = caps->max_input_signal - caps->min_input_signal;
 
-		if (caps.max_input_signal > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT ||
-		    caps.min_input_signal < 0 ||
+		if (caps->max_input_signal > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT ||
+		    caps->min_input_signal < 0 ||
 		    spread > AMDGPU_DM_DEFAULT_MAX_BACKLIGHT ||
 		    spread < AMDGPU_DM_MIN_SPREAD) {
 			DRM_DEBUG_KMS("DM: Invalid backlight caps: min=%d, max=%d\n",
-				      caps.min_input_signal, caps.max_input_signal);
-			caps.caps_valid = false;
+				      caps->min_input_signal, caps->max_input_signal);
+			caps->caps_valid = false;
 		}
 	}
 
-	if (caps.caps_valid) {
-		dm->backlight_caps[bl_idx].caps_valid = true;
-		if (caps.aux_support)
-			return;
-		dm->backlight_caps[bl_idx].min_input_signal = caps.min_input_signal;
-		dm->backlight_caps[bl_idx].max_input_signal = caps.max_input_signal;
-	} else {
-		dm->backlight_caps[bl_idx].min_input_signal =
-				AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
-		dm->backlight_caps[bl_idx].max_input_signal =
-				AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
+	if (!caps->caps_valid) {
+		caps->min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
+		caps->max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
+		caps->caps_valid = true;
 	}
 #else
-	if (dm->backlight_caps[bl_idx].aux_support)
+	if (caps->aux_support)
 		return;
 
-	dm->backlight_caps[bl_idx].min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
-	dm->backlight_caps[bl_idx].max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
+	caps->min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
+	caps->max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
+	caps->caps_valid = true;
 #endif
 }
 
@@ -4720,10 +4780,38 @@ static u32 convert_brightness_from_user(const struct amdgpu_dm_backlight_caps *c
 					uint32_t brightness)
 {
 	unsigned int min, max;
+	u8 prev_signal = 0, prev_lum = 0;
 
 	if (!get_brightness_range(caps, &min, &max))
 		return brightness;
 
+	for (int i = 0; i < caps->data_points; i++) {
+		u8 signal, lum;
+
+		if (amdgpu_dc_debug_mask & DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE)
+			break;
+
+		signal = caps->luminance_data[i].input_signal;
+		lum = caps->luminance_data[i].luminance;
+
+		/*
+		 * brightness == signal: luminance is percent numerator
+		 * brightness < signal: interpolate between previous and current luminance numerator
+		 * brightness > signal: find next data point
+		 */
+		if (brightness < signal)
+			lum = prev_lum + DIV_ROUND_CLOSEST((lum - prev_lum) *
+							   (brightness - prev_signal),
+							   signal - prev_signal);
+		else if (brightness > signal) {
+			prev_signal = signal;
+			prev_lum = lum;
+			continue;
+		}
+		brightness = DIV_ROUND_CLOSEST(lum * brightness, 101);
+		break;
+	}
+
 	// Rescale 0..255 to min..max
 	return min + DIV_ROUND_CLOSEST((max - min) * brightness,
 				       AMDGPU_MAX_BL_LEVEL);
@@ -4748,19 +4836,19 @@ static void amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm,
 					 int bl_idx,
 					 u32 user_brightness)
 {
-	struct amdgpu_dm_backlight_caps caps;
+	struct amdgpu_dm_backlight_caps *caps;
 	struct dc_link *link;
 	u32 brightness;
 	bool rc, reallow_idle = false;
 
 	amdgpu_dm_update_backlight_caps(dm, bl_idx);
-	caps = dm->backlight_caps[bl_idx];
+	caps = &dm->backlight_caps[bl_idx];
 
 	dm->brightness[bl_idx] = user_brightness;
 	/* update scratch register */
 	if (bl_idx == 0)
 		amdgpu_atombios_scratch_regs_set_backlight_level(dm->adev, dm->brightness[bl_idx]);
-	brightness = convert_brightness_from_user(&caps, dm->brightness[bl_idx]);
+	brightness = convert_brightness_from_user(caps, dm->brightness[bl_idx]);
 	link = (struct dc_link *)dm->backlight_link[bl_idx];
 
 	/* Change brightness based on AUX property */
@@ -4770,7 +4858,7 @@ static void amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm,
 		reallow_idle = true;
 	}
 
-	if (caps.aux_support) {
+	if (caps->aux_support) {
 		rc = dc_link_set_backlight_level_nits(link, true, brightness,
 						      AUX_BL_DEFAULT_TRANSITION_TIME_MS);
 		if (!rc)
@@ -4887,6 +4975,8 @@ amdgpu_dm_register_backlight_device(struct amdgpu_dm_connector *aconnector)
 	} else
 		props.brightness = AMDGPU_MAX_BL_LEVEL;
 
+	if (caps.data_points && !(amdgpu_dc_debug_mask & DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE))
+		drm_info(drm, "Using custom brightness curve\n");
 	props.max_brightness = AMDGPU_MAX_BL_LEVEL;
 	props.type = BACKLIGHT_RAW;
 
@@ -7295,8 +7385,14 @@ static void amdgpu_dm_connector_funcs_force(struct drm_connector *connector)
 	struct dc_link *dc_link = aconnector->dc_link;
 	struct dc_sink *dc_em_sink = aconnector->dc_em_sink;
 	const struct drm_edid *drm_edid;
+	struct i2c_adapter *ddc;
+
+	if (dc_link && dc_link->aux_mode)
+		ddc = &aconnector->dm_dp_aux.aux.ddc;
+	else
+		ddc = &aconnector->i2c->base;
 
-	drm_edid = drm_edid_read(connector);
+	drm_edid = drm_edid_read_ddc(connector, ddc);
 	drm_edid_connector_update(connector, drm_edid);
 	if (!drm_edid) {
 		DRM_ERROR("No EDID found on connector: %s.\n", connector->name);
@@ -7341,14 +7437,21 @@ static int get_modes(struct drm_connector *connector)
 static void create_eml_sink(struct amdgpu_dm_connector *aconnector)
 {
 	struct drm_connector *connector = &aconnector->base;
+	struct dc_link *dc_link = aconnector->dc_link;
 	struct dc_sink_init_data init_params = {
 			.link = aconnector->dc_link,
 			.sink_signal = SIGNAL_TYPE_VIRTUAL
 	};
 	const struct drm_edid *drm_edid;
 	const struct edid *edid;
+	struct i2c_adapter *ddc;
+
+	if (dc_link && dc_link->aux_mode)
+		ddc = &aconnector->dm_dp_aux.aux.ddc;
+	else
+		ddc = &aconnector->i2c->base;
 
-	drm_edid = drm_edid_read(connector);
+	drm_edid = drm_edid_read_ddc(connector, ddc);
 	drm_edid_connector_update(connector, drm_edid);
 	if (!drm_edid) {
 		DRM_ERROR("No EDID found on connector: %s.\n", connector->name);
@@ -12655,3 +12758,10 @@ bool dm_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count,
 {
 	return dc_dmub_srv_cmd_run_list(ctx->dmub_srv, count, cmd, wait_type);
 }
+
+void dm_acpi_process_phy_transition_interlock(
+	const struct dc_context *ctx,
+	struct dm_process_phy_transition_init_params process_phy_transition_init_params)
+{
+	// Not yet implemented
+}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index acead14ab45d..385faaca6e26 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -151,6 +151,18 @@ struct idle_workqueue {
 	bool running;
 };
 
+#define MAX_LUMINANCE_DATA_POINTS 99
+
+/**
+ * struct amdgpu_dm_luminance_data - Custom luminance data
+ * @luminance: Luminance in percent
+ * @input_signal: Input signal in range 0-255
+ */
+struct amdgpu_dm_luminance_data {
+	u8 luminance;
+	u8 input_signal;
+} __packed;
+
 /**
  * struct amdgpu_dm_backlight_caps - Information about backlight
  *
@@ -195,6 +207,14 @@ struct amdgpu_dm_backlight_caps {
 	 * @dc_level: the default brightness if booted on DC
 	 */
 	u8 dc_level;
+	/**
+	 * @data_points: the number of custom luminance data points
+	 */
+	u8 data_points;
+	/**
+	 * @luminance_data: custom luminance data
+	 */
+	struct amdgpu_dm_luminance_data luminance_data[MAX_LUMINANCE_DATA_POINTS];
 };
 
 /**
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index fbd80d8545a8..2cd35392e2da 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -55,16 +55,21 @@ static u32 edid_extract_panel_id(struct edid *edid)
 	       (u32)EDID_PRODUCT_ID(edid);
 }
 
-static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps)
+static void apply_edid_quirks(struct drm_device *dev, struct edid *edid, struct dc_edid_caps *edid_caps)
 {
 	uint32_t panel_id = edid_extract_panel_id(edid);
 
 	switch (panel_id) {
+	/* Workaround for monitors that need a delay after detecting the link */
+	case drm_edid_encode_panel_id('G', 'B', 'T', 0x3215):
+		drm_dbg_driver(dev, "Add 10s delay for link detection for panel id %X\n", panel_id);
+		edid_caps->panel_patch.wait_after_dpcd_poweroff_ms = 10000;
+		break;
 	/* Workaround for some monitors which does not work well with FAMS */
 	case drm_edid_encode_panel_id('S', 'A', 'M', 0x0E5E):
 	case drm_edid_encode_panel_id('S', 'A', 'M', 0x7053):
 	case drm_edid_encode_panel_id('S', 'A', 'M', 0x71AC):
-		DRM_DEBUG_DRIVER("Disabling FAMS on monitor with panel id %X\n", panel_id);
+		drm_dbg_driver(dev, "Disabling FAMS on monitor with panel id %X\n", panel_id);
 		edid_caps->panel_patch.disable_fams = true;
 		break;
 	/* Workaround for some monitors that do not clear DPCD 0x317 if FreeSync is unsupported */
@@ -73,11 +78,11 @@ static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps)
 	case drm_edid_encode_panel_id('B', 'O', 'E', 0x092A):
 	case drm_edid_encode_panel_id('L', 'G', 'D', 0x06D1):
 	case drm_edid_encode_panel_id('M', 'S', 'F', 0x1003):
-		DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id);
+		drm_dbg_driver(dev, "Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id);
 		edid_caps->panel_patch.remove_sink_ext_caps = true;
 		break;
 	case drm_edid_encode_panel_id('S', 'D', 'C', 0x4154):
-		DRM_DEBUG_DRIVER("Disabling VSC on monitor with panel id %X\n", panel_id);
+		drm_dbg_driver(dev, "Disabling VSC on monitor with panel id %X\n", panel_id);
 		edid_caps->panel_patch.disable_colorimetry = true;
 		break;
 	default:
@@ -101,6 +106,7 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
 {
 	struct amdgpu_dm_connector *aconnector = link->priv;
 	struct drm_connector *connector = &aconnector->base;
+	struct drm_device *dev = connector->dev;
 	struct edid *edid_buf = edid ? (struct edid *) edid->raw_edid : NULL;
 	struct cea_sad *sads;
 	int sad_count = -1;
@@ -130,7 +136,7 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
 
 	edid_caps->edid_hdmi = connector->display_info.is_hdmi;
 
-	apply_edid_quirks(edid_buf, edid_caps);
+	apply_edid_quirks(dev, edid_buf, edid_caps);
 
 	sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads);
 	if (sad_count <= 0)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
index 3390f0d8420a..2b63cbab0e87 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
@@ -473,7 +473,7 @@ void amdgpu_dm_irq_fini(struct amdgpu_device *adev)
 	unregister_all_irq_handlers(adev);
 }
 
-int amdgpu_dm_irq_suspend(struct amdgpu_device *adev)
+void amdgpu_dm_irq_suspend(struct amdgpu_device *adev)
 {
 	int src;
 	struct list_head *hnd_list_h;
@@ -511,10 +511,9 @@ int amdgpu_dm_irq_suspend(struct amdgpu_device *adev)
 	}
 
 	DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
-	return 0;
 }
 
-int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev)
+void amdgpu_dm_irq_resume_early(struct amdgpu_device *adev)
 {
 	int src;
 	struct list_head *hnd_list_h, *hnd_list_l;
@@ -522,7 +521,7 @@ int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev)
 
 	DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
 
-	DRM_DEBUG_KMS("DM_IRQ: early resume\n");
+	drm_dbg(adev_to_drm(adev), "DM_IRQ: early resume\n");
 
 	/* re-enable short pulse interrupts HW interrupt */
 	for (src = DC_IRQ_SOURCE_HPD1RX; src <= DC_IRQ_SOURCE_HPD6RX; src++) {
@@ -533,11 +532,9 @@ int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev)
 	}
 
 	DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
-
-	return 0;
 }
 
-int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev)
+void amdgpu_dm_irq_resume_late(struct amdgpu_device *adev)
 {
 	int src;
 	struct list_head *hnd_list_h, *hnd_list_l;
@@ -545,7 +542,7 @@ int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev)
 
 	DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
 
-	DRM_DEBUG_KMS("DM_IRQ: resume\n");
+	drm_dbg(adev_to_drm(adev), "DM_IRQ: resume\n");
 
 	/**
 	 * Renable HW interrupt  for HPD and only since FLIP and VBLANK
@@ -559,7 +556,6 @@ int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev)
 	}
 
 	DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags);
-	return 0;
 }
 
 /*
@@ -894,6 +890,7 @@ void amdgpu_dm_hpd_init(struct amdgpu_device *adev)
 	struct drm_device *dev = adev_to_drm(adev);
 	struct drm_connector *connector;
 	struct drm_connector_list_iter iter;
+	int i;
 
 	drm_connector_list_iter_begin(dev, &iter);
 	drm_for_each_connector_iter(connector, &iter) {
@@ -920,6 +917,12 @@ void amdgpu_dm_hpd_init(struct amdgpu_device *adev)
 		}
 	}
 	drm_connector_list_iter_end(&iter);
+
+	/* Update reference counts for HPDs */
+	for (i = DC_IRQ_SOURCE_HPD1; i <= adev->mode_info.num_hpd; i++) {
+		if (amdgpu_irq_get(adev, &adev->hpd_irq, i - DC_IRQ_SOURCE_HPD1))
+			drm_err(dev, "DM_IRQ: Failed get HPD for source=%d)!\n", i);
+	}
 }
 
 /**
@@ -935,6 +938,7 @@ void amdgpu_dm_hpd_fini(struct amdgpu_device *adev)
 	struct drm_device *dev = adev_to_drm(adev);
 	struct drm_connector *connector;
 	struct drm_connector_list_iter iter;
+	int i;
 
 	drm_connector_list_iter_begin(dev, &iter);
 	drm_for_each_connector_iter(connector, &iter) {
@@ -960,4 +964,10 @@ void amdgpu_dm_hpd_fini(struct amdgpu_device *adev)
 		}
 	}
 	drm_connector_list_iter_end(&iter);
+
+	/* Update reference counts for HPDs */
+	for (i = DC_IRQ_SOURCE_HPD1; i <= adev->mode_info.num_hpd; i++) {
+		if (amdgpu_irq_put(adev, &adev->hpd_irq, i - DC_IRQ_SOURCE_HPD1))
+			drm_err(dev, "DM_IRQ: Failed put HPD for source=%d!\n", i);
+	}
 }
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h
index 2349238a626b..ba17c23b2706 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h
@@ -90,14 +90,14 @@ void amdgpu_dm_hpd_fini(struct amdgpu_device *adev);
  * amdgpu_dm_irq_suspend - disable ASIC interrupt during suspend.
  *
  */
-int amdgpu_dm_irq_suspend(struct amdgpu_device *adev);
+void amdgpu_dm_irq_suspend(struct amdgpu_device *adev);
 
 /**
  * amdgpu_dm_irq_resume_early - enable HPDRX ASIC interrupts during resume.
  * amdgpu_dm_irq_resume - enable ASIC interrupt during resume.
  *
  */
-int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev);
-int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev);
+void amdgpu_dm_irq_resume_early(struct amdgpu_device *adev);
+void amdgpu_dm_irq_resume_late(struct amdgpu_device *adev);
 
 #endif /* __AMDGPU_DM_IRQ_H__ */
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 056b17198956..7ceedf626d23 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -1632,6 +1632,9 @@ int pre_validate_dsc(struct drm_atomic_state *state,
 			connector =
 				amdgpu_dm_find_first_crtc_matching_connector(state,
 									     state->crtcs[ind].ptr);
+			if (!connector)
+				continue;
+
 			drm_new_conn_state =
 				drm_atomic_get_new_connector_state(state,
 								   connector);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
index fcb0e900a38a..0090e08d5057 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
@@ -277,8 +277,11 @@ static int amdgpu_dm_plane_validate_dcc(struct amdgpu_device *adev,
 	if (!dcc->enable)
 		return 0;
 
-	if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN ||
-	    !dc->cap_funcs.get_dcc_compression_cap)
+	if (adev->family < AMDGPU_FAMILY_GC_12_0_0 &&
+	    format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN)
+		return -EINVAL;
+
+	if (!dc->cap_funcs.get_dcc_compression_cap)
 		return -EINVAL;
 
 	input.format = format;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
index 104f03868266..e140b7a04d72 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
@@ -30,23 +30,6 @@
 #include "amdgpu_dm.h"
 #include "modules/power/power_helpers.h"
 
-static bool is_specific_oled_panel(struct dc_link *link)
-{
-	if (!link->dpcd_sink_ext_caps.bits.oled)
-		return false;
-
-	/* Disable PSR-SU for some OLED panels to avoid glitches */
-	if (link->dpcd_caps.sink_dev_id == 0xBA4159) {
-		uint8_t sink_dev_id_str1[] = {'4', '0', 'C', 'U', '1'};
-
-		if (!memcmp(link->dpcd_caps.sink_dev_id_str, sink_dev_id_str1,
-		    sizeof(sink_dev_id_str1)))
-			return true;
-	}
-
-	return false;
-}
-
 static bool link_supports_psrsu(struct dc_link *link)
 {
 	struct dc *dc = link->ctx->dc;
@@ -57,9 +40,6 @@ static bool link_supports_psrsu(struct dc_link *link)
 	if (dc->ctx->dce_version < DCN_VERSION_3_1)
 		return false;
 
-	if (is_specific_oled_panel(link))
-		return false;
-
 	if (!is_psr_su_specific_panel(link))
 		return false;
 
@@ -74,7 +54,8 @@ static bool link_supports_psrsu(struct dc_link *link)
 	if (amdgpu_dc_debug_mask & DC_DISABLE_PSR_SU)
 		return false;
 
-	return dc_dmub_check_min_version(dc->ctx->dmub_srv->dmub);
+	/* Temporarily disable PSR-SU to avoid glitches */
+	return false;
 }
 
 /*
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
index 7d18f372ce7a..2c645dffec18 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
@@ -101,7 +101,6 @@ static void init_dig_encoder_control(struct bios_parser *bp)
 		bp->cmd_tbl.dig_encoder_control = encoder_control_digx_v1_5;
 		break;
 	default:
-		dm_output_to_console("Don't have dig_encoder_control for v%d\n", version);
 		bp->cmd_tbl.dig_encoder_control = encoder_control_fallback;
 		break;
 	}
@@ -210,6 +209,7 @@ static enum bp_result encoder_control_fallback(
  ******************************************************************************
  *****************************************************************************/
 
+
 static enum bp_result transmitter_control_v1_6(
 	struct bios_parser *bp,
 	struct bp_transmitter_control *cntl);
@@ -238,7 +238,6 @@ static void init_transmitter_control(struct bios_parser *bp)
 		bp->cmd_tbl.transmitter_control = transmitter_control_v1_7;
 		break;
 	default:
-		dm_output_to_console("Don't have transmitter_control for v%d\n", crev);
 		bp->cmd_tbl.transmitter_control = transmitter_control_fallback;
 		break;
 	}
@@ -325,6 +324,21 @@ static void transmitter_control_dmcub_v1_7(
 	dc_wake_and_execute_dmub_cmd(dmcub->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
 }
 
+static struct dc_link *get_link_by_phy_id(struct dc *p_dc, uint32_t phy_id)
+{
+	struct dc_link *link = NULL;
+
+	// Get Transition Bitmask from dc_link structure associated with PHY
+	for (uint8_t link_id = 0; link_id < MAX_LINKS; link_id++) {
+		if (phy_id == p_dc->links[link_id]->link_enc->transmitter) {
+			link = p_dc->links[link_id];
+			break;
+		}
+	}
+
+	return link;
+}
+
 static enum bp_result transmitter_control_v1_7(
 	struct bios_parser *bp,
 	struct bp_transmitter_control *cntl)
@@ -363,7 +377,37 @@ static enum bp_result transmitter_control_v1_7(
 
 	if (bp->base.ctx->dc->ctx->dmub_srv &&
 		bp->base.ctx->dc->debug.dmub_command_table) {
+		struct dm_process_phy_transition_init_params process_phy_transition_init_params = {0};
+		struct dc_link *link = get_link_by_phy_id(bp->base.ctx->dc, dig_v1_7.phyid);
+		bool is_phy_transition_interlock_allowed = false;
+		uint8_t action = dig_v1_7.action;
+
+		if (link) {
+			if (link->phy_transition_bitmask &&
+				(action == TRANSMITTER_CONTROL_ENABLE || action == TRANSMITTER_CONTROL_DISABLE)) {
+				is_phy_transition_interlock_allowed = true;
+
+				// Prepare input parameters for processing ACPI retimers
+				process_phy_transition_init_params.action                   = action;
+				process_phy_transition_init_params.display_port_lanes_count = cntl->lanes_number;
+				process_phy_transition_init_params.phy_id                   = dig_v1_7.phyid;
+				process_phy_transition_init_params.signal                   = cntl->signal;
+				process_phy_transition_init_params.sym_clock_10khz          = dig_v1_7.symclk_units.symclk_10khz;
+				process_phy_transition_init_params.display_port_link_rate   = link->cur_link_settings.link_rate;
+				process_phy_transition_init_params.transition_bitmask       = link->phy_transition_bitmask;
+			}
+		}
+
+		// Handle PRE_OFF_TO_ON: Process ACPI PHY Transition Interlock
+		if (is_phy_transition_interlock_allowed && action == TRANSMITTER_CONTROL_ENABLE)
+			dm_acpi_process_phy_transition_interlock(bp->base.ctx, process_phy_transition_init_params);
+
 		transmitter_control_dmcub_v1_7(bp->base.ctx->dmub_srv, &dig_v1_7);
+
+		// Handle POST_ON_TO_OFF: Process ACPI PHY Transition Interlock
+		if (is_phy_transition_interlock_allowed && action == TRANSMITTER_CONTROL_DISABLE)
+			dm_acpi_process_phy_transition_interlock(bp->base.ctx, process_phy_transition_init_params);
+
 		return BP_RESULT_OK;
 	}
 
@@ -408,8 +452,6 @@ static void init_set_pixel_clock(struct bios_parser *bp)
 		bp->cmd_tbl.set_pixel_clock = set_pixel_clock_v7;
 		break;
 	default:
-		dm_output_to_console("Don't have set_pixel_clock for v%d\n",
-			 BIOS_CMD_TABLE_PARA_REVISION(setpixelclock));
 		bp->cmd_tbl.set_pixel_clock = set_pixel_clock_fallback;
 		break;
 	}
@@ -554,7 +596,6 @@ static void init_set_crtc_timing(struct bios_parser *bp)
 			set_crtc_using_dtd_timing_v3;
 		break;
 	default:
-		dm_output_to_console("Don't have set_crtc_timing for v%d\n", dtd_version);
 		bp->cmd_tbl.set_crtc_timing = NULL;
 		break;
 	}
@@ -671,8 +712,6 @@ static void init_enable_crtc(struct bios_parser *bp)
 		bp->cmd_tbl.enable_crtc = enable_crtc_v1;
 		break;
 	default:
-		dm_output_to_console("Don't have enable_crtc for v%d\n",
-			 BIOS_CMD_TABLE_PARA_REVISION(enablecrtc));
 		bp->cmd_tbl.enable_crtc = NULL;
 		break;
 	}
@@ -864,8 +903,6 @@ static void init_set_dce_clock(struct bios_parser *bp)
 		bp->cmd_tbl.set_dce_clock = set_dce_clock_v2_1;
 		break;
 	default:
-		dm_output_to_console("Don't have set_dce_clock for v%d\n",
-			 BIOS_CMD_TABLE_PARA_REVISION(setdceclock));
 		bp->cmd_tbl.set_dce_clock = NULL;
 		break;
 	}
@@ -1046,3 +1083,4 @@ void dal_firmware_parser_init_cmd_tbl(struct bios_parser *bp)
 
 	init_enable_lvtma_control(bp);
 }
+
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c
index e317a3615147..91bc8a06e2cf 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c
@@ -293,3 +293,107 @@ uint8_t dal_cmd_table_helper_encoder_id_to_atom(
 		return ENCODER_OBJECT_ID_NONE;
 	}
 }
+
+uint8_t phy_id_to_atom(enum transmitter t)
+{
+	uint8_t atom_phy_id;
+
+	switch (t) {
+	case TRANSMITTER_UNIPHY_A:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
+		break;
+	case TRANSMITTER_UNIPHY_B:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYB;
+		break;
+	case TRANSMITTER_UNIPHY_C:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYC;
+		break;
+	case TRANSMITTER_UNIPHY_D:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYD;
+		break;
+	case TRANSMITTER_UNIPHY_E:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYE;
+		break;
+	case TRANSMITTER_UNIPHY_F:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYF;
+		break;
+	case TRANSMITTER_UNIPHY_G:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYG;
+		break;
+	default:
+		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
+		break;
+	}
+	return atom_phy_id;
+}
+
+uint8_t clock_source_id_to_atom_phy_clk_src_id(
+		enum clock_source_id id)
+{
+	uint8_t atom_phy_clk_src_id = 0;
+
+	switch (id) {
+	case CLOCK_SOURCE_ID_PLL0:
+		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
+		break;
+	case CLOCK_SOURCE_ID_PLL1:
+		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
+		break;
+	case CLOCK_SOURCE_ID_PLL2:
+		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
+		break;
+	case CLOCK_SOURCE_ID_EXTERNAL:
+		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
+		break;
+	default:
+		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
+		break;
+	}
+
+	return atom_phy_clk_src_id >> 2;
+}
+
+bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
+{
+	bool result = false;
+
+	if (atom_engine_id != NULL)
+		switch (id) {
+		case ENGINE_ID_DIGA:
+			*atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
+			result = true;
+			break;
+		case ENGINE_ID_DIGB:
+			*atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
+			result = true;
+			break;
+		case ENGINE_ID_DIGC:
+			*atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
+			result = true;
+			break;
+		case ENGINE_ID_DIGD:
+			*atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
+			result = true;
+			break;
+		case ENGINE_ID_DIGE:
+			*atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
+			result = true;
+			break;
+		case ENGINE_ID_DIGF:
+			*atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
+			result = true;
+			break;
+		case ENGINE_ID_DIGG:
+			*atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
+			result = true;
+			break;
+		case ENGINE_ID_DACA:
+			*atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
+			result = true;
+			break;
+		default:
+			break;
+		}
+
+	return result;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h
index dfd30aaf4032..547700e119a6 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h
@@ -59,4 +59,12 @@ uint8_t dal_cmd_table_helper_transmitter_bp_to_atom(
 
 uint8_t dal_cmd_table_helper_encoder_id_to_atom(
 	enum encoder_id id);
+
+uint8_t phy_id_to_atom(enum transmitter t);
+
+uint8_t clock_source_id_to_atom_phy_clk_src_id(
+		enum clock_source_id id);
+
+bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id);
+
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
index bad4e4711b4f..268e2414b34f 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
@@ -88,8 +88,7 @@ bool dal_bios_parser_init_cmd_tbl_helper2(
 		return true;
 
 	default:
-		/* Unsupported DCE */
-		BREAK_TO_DEBUGGER();
+		*h = dal_cmd_tbl_helper_dce112_get_table2();
 		return false;
 	}
 }
diff --git a/drivers/gpu/drm/amd/display/dc/bios/dce110/command_table_helper_dce110.c b/drivers/gpu/drm/amd/display/dc/bios/dce110/command_table_helper_dce110.c
index 11bf247bb180..3099128223df 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/dce110/command_table_helper_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/dce110/command_table_helper_dce110.c
@@ -31,39 +31,6 @@
 
 #include "../command_table_helper.h"
 
-static uint8_t phy_id_to_atom(enum transmitter t)
-{
-	uint8_t atom_phy_id;
-
-	switch (t) {
-	case TRANSMITTER_UNIPHY_A:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	case TRANSMITTER_UNIPHY_B:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYB;
-		break;
-	case TRANSMITTER_UNIPHY_C:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYC;
-		break;
-	case TRANSMITTER_UNIPHY_D:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYD;
-		break;
-	case TRANSMITTER_UNIPHY_E:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYE;
-		break;
-	case TRANSMITTER_UNIPHY_F:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYF;
-		break;
-	case TRANSMITTER_UNIPHY_G:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYG;
-		break;
-	default:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	}
-	return atom_phy_id;
-}
-
 static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 {
 	uint8_t atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP;
@@ -94,32 +61,6 @@ static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 	return atom_dig_mode;
 }
 
-static uint8_t clock_source_id_to_atom_phy_clk_src_id(
-		enum clock_source_id id)
-{
-	uint8_t atom_phy_clk_src_id = 0;
-
-	switch (id) {
-	case CLOCK_SOURCE_ID_PLL0:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL1:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL2:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
-		break;
-	case CLOCK_SOURCE_ID_EXTERNAL:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
-		break;
-	default:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	}
-
-	return atom_phy_clk_src_id >> 2;
-}
-
 static uint8_t hpd_sel_to_atom(enum hpd_source_id id)
 {
 	uint8_t atom_hpd_sel = 0;
@@ -207,51 +148,6 @@ static bool clock_source_id_to_atom(
 	return result;
 }
 
-static bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
-{
-	bool result = false;
-
-	if (atom_engine_id != NULL)
-		switch (id) {
-		case ENGINE_ID_DIGA:
-			*atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGB:
-			*atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGC:
-			*atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGD:
-			*atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGE:
-			*atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGF:
-			*atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGG:
-			*atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DACA:
-			*atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
-			result = true;
-			break;
-		default:
-			break;
-		}
-
-	return result;
-}
-
 static uint8_t encoder_action_to_atom(enum bp_encoder_control_action action)
 {
 	uint8_t atom_action = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper2_dce112.c b/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper2_dce112.c
index 755b6e33140a..349f0e5d5856 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper2_dce112.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper2_dce112.c
@@ -29,40 +29,9 @@
 
 #include "include/bios_parser_types.h"
 
-#include "../command_table_helper2.h"
-
-static uint8_t phy_id_to_atom(enum transmitter t)
-{
-	uint8_t atom_phy_id;
+#include "../command_table_helper.h"
 
-	switch (t) {
-	case TRANSMITTER_UNIPHY_A:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	case TRANSMITTER_UNIPHY_B:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYB;
-		break;
-	case TRANSMITTER_UNIPHY_C:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYC;
-		break;
-	case TRANSMITTER_UNIPHY_D:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYD;
-		break;
-	case TRANSMITTER_UNIPHY_E:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYE;
-		break;
-	case TRANSMITTER_UNIPHY_F:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYF;
-		break;
-	case TRANSMITTER_UNIPHY_G:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYG;
-		break;
-	default:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	}
-	return atom_phy_id;
-}
+#include "../command_table_helper2.h"
 
 static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 {
@@ -91,32 +60,6 @@ static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 	return atom_dig_mode;
 }
 
-static uint8_t clock_source_id_to_atom_phy_clk_src_id(
-		enum clock_source_id id)
-{
-	uint8_t atom_phy_clk_src_id = 0;
-
-	switch (id) {
-	case CLOCK_SOURCE_ID_PLL0:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL1:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL2:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
-		break;
-	case CLOCK_SOURCE_ID_EXTERNAL:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
-		break;
-	default:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	}
-
-	return atom_phy_clk_src_id >> 2;
-}
-
 static uint8_t hpd_sel_to_atom(enum hpd_source_id id)
 {
 	uint8_t atom_hpd_sel = 0;
@@ -209,51 +152,6 @@ static bool clock_source_id_to_atom(
 	return result;
 }
 
-static bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
-{
-	bool result = false;
-
-	if (atom_engine_id != NULL)
-		switch (id) {
-		case ENGINE_ID_DIGA:
-			*atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGB:
-			*atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGC:
-			*atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGD:
-			*atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGE:
-			*atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGF:
-			*atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGG:
-			*atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DACA:
-			*atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
-			result = true;
-			break;
-		default:
-			break;
-		}
-
-	return result;
-}
-
 static uint8_t encoder_action_to_atom(enum bp_encoder_control_action action)
 {
 	uint8_t atom_action = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper_dce112.c b/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper_dce112.c
index 06b4f7fa4a50..1a5fefcde8af 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper_dce112.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/dce112/command_table_helper_dce112.c
@@ -31,39 +31,6 @@
 
 #include "../command_table_helper.h"
 
-static uint8_t phy_id_to_atom(enum transmitter t)
-{
-	uint8_t atom_phy_id;
-
-	switch (t) {
-	case TRANSMITTER_UNIPHY_A:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	case TRANSMITTER_UNIPHY_B:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYB;
-		break;
-	case TRANSMITTER_UNIPHY_C:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYC;
-		break;
-	case TRANSMITTER_UNIPHY_D:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYD;
-		break;
-	case TRANSMITTER_UNIPHY_E:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYE;
-		break;
-	case TRANSMITTER_UNIPHY_F:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYF;
-		break;
-	case TRANSMITTER_UNIPHY_G:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYG;
-		break;
-	default:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	}
-	return atom_phy_id;
-}
-
 static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 {
 	uint8_t atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V6_DP;
@@ -91,32 +58,6 @@ static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 	return atom_dig_mode;
 }
 
-static uint8_t clock_source_id_to_atom_phy_clk_src_id(
-		enum clock_source_id id)
-{
-	uint8_t atom_phy_clk_src_id = 0;
-
-	switch (id) {
-	case CLOCK_SOURCE_ID_PLL0:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL1:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL2:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
-		break;
-	case CLOCK_SOURCE_ID_EXTERNAL:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
-		break;
-	default:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	}
-
-	return atom_phy_clk_src_id >> 2;
-}
-
 static uint8_t hpd_sel_to_atom(enum hpd_source_id id)
 {
 	uint8_t atom_hpd_sel = 0;
@@ -209,51 +150,6 @@ static bool clock_source_id_to_atom(
 	return result;
 }
 
-static bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
-{
-	bool result = false;
-
-	if (atom_engine_id != NULL)
-		switch (id) {
-		case ENGINE_ID_DIGA:
-			*atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGB:
-			*atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGC:
-			*atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGD:
-			*atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGE:
-			*atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGF:
-			*atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGG:
-			*atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DACA:
-			*atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
-			result = true;
-			break;
-		default:
-			break;
-		}
-
-	return result;
-}
-
 static uint8_t encoder_action_to_atom(enum bp_encoder_control_action action)
 {
 	uint8_t atom_action = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c b/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c
index 710221b4f5c5..01ccc803040c 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c
@@ -58,51 +58,6 @@ static uint8_t encoder_action_to_atom(enum bp_encoder_control_action action)
 	return atom_action;
 }
 
-static bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
-{
-	bool result = false;
-
-	if (atom_engine_id != NULL)
-		switch (id) {
-		case ENGINE_ID_DIGA:
-			*atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGB:
-			*atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGC:
-			*atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGD:
-			*atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGE:
-			*atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGF:
-			*atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGG:
-			*atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DACA:
-			*atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
-			result = true;
-			break;
-		default:
-			break;
-		}
-
-	return result;
-}
-
 static bool clock_source_id_to_atom(
 	enum clock_source_id id,
 	uint32_t *atom_pll_id)
@@ -149,32 +104,6 @@ static bool clock_source_id_to_atom(
 	return result;
 }
 
-static uint8_t clock_source_id_to_atom_phy_clk_src_id(
-		enum clock_source_id id)
-{
-	uint8_t atom_phy_clk_src_id = 0;
-
-	switch (id) {
-	case CLOCK_SOURCE_ID_PLL0:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL1:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL2:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
-		break;
-	case CLOCK_SOURCE_ID_EXTERNAL:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
-		break;
-	default:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	}
-
-	return atom_phy_clk_src_id >> 2;
-}
-
 static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 {
 	uint8_t atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP;
@@ -270,39 +199,6 @@ static uint8_t dig_encoder_sel_to_atom(enum engine_id id)
 	return atom_dig_encoder_sel;
 }
 
-static uint8_t phy_id_to_atom(enum transmitter t)
-{
-	uint8_t atom_phy_id;
-
-	switch (t) {
-	case TRANSMITTER_UNIPHY_A:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	case TRANSMITTER_UNIPHY_B:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYB;
-		break;
-	case TRANSMITTER_UNIPHY_C:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYC;
-		break;
-	case TRANSMITTER_UNIPHY_D:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYD;
-		break;
-	case TRANSMITTER_UNIPHY_E:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYE;
-		break;
-	case TRANSMITTER_UNIPHY_F:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYF;
-		break;
-	case TRANSMITTER_UNIPHY_G:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYG;
-		break;
-	default:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	}
-	return atom_phy_id;
-}
-
 static uint8_t disp_power_gating_action_to_atom(
 	enum bp_pipe_control_action action)
 {
diff --git a/drivers/gpu/drm/amd/display/dc/bios/dce80/command_table_helper_dce80.c b/drivers/gpu/drm/amd/display/dc/bios/dce80/command_table_helper_dce80.c
index 8b30b558cf1f..2ec5264536c7 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/dce80/command_table_helper_dce80.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/dce80/command_table_helper_dce80.c
@@ -58,51 +58,6 @@ static uint8_t encoder_action_to_atom(enum bp_encoder_control_action action)
 	return atom_action;
 }
 
-static bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
-{
-	bool result = false;
-
-	if (atom_engine_id != NULL)
-		switch (id) {
-		case ENGINE_ID_DIGA:
-			*atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGB:
-			*atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGC:
-			*atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGD:
-			*atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGE:
-			*atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGF:
-			*atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DIGG:
-			*atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
-			result = true;
-			break;
-		case ENGINE_ID_DACA:
-			*atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
-			result = true;
-			break;
-		default:
-			break;
-		}
-
-	return result;
-}
-
 static bool clock_source_id_to_atom(
 	enum clock_source_id id,
 	uint32_t *atom_pll_id)
@@ -149,32 +104,6 @@ static bool clock_source_id_to_atom(
 	return result;
 }
 
-static uint8_t clock_source_id_to_atom_phy_clk_src_id(
-		enum clock_source_id id)
-{
-	uint8_t atom_phy_clk_src_id = 0;
-
-	switch (id) {
-	case CLOCK_SOURCE_ID_PLL0:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL1:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	case CLOCK_SOURCE_ID_PLL2:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
-		break;
-	case CLOCK_SOURCE_ID_EXTERNAL:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
-		break;
-	default:
-		atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
-		break;
-	}
-
-	return atom_phy_clk_src_id >> 2;
-}
-
 static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
 {
 	uint8_t atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP;
@@ -270,39 +199,6 @@ static uint8_t dig_encoder_sel_to_atom(enum engine_id id)
 	return atom_dig_encoder_sel;
 }
 
-static uint8_t phy_id_to_atom(enum transmitter t)
-{
-	uint8_t atom_phy_id;
-
-	switch (t) {
-	case TRANSMITTER_UNIPHY_A:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	case TRANSMITTER_UNIPHY_B:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYB;
-		break;
-	case TRANSMITTER_UNIPHY_C:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYC;
-		break;
-	case TRANSMITTER_UNIPHY_D:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYD;
-		break;
-	case TRANSMITTER_UNIPHY_E:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYE;
-		break;
-	case TRANSMITTER_UNIPHY_F:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYF;
-		break;
-	case TRANSMITTER_UNIPHY_G:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYG;
-		break;
-	default:
-		atom_phy_id = ATOM_PHY_ID_UNIPHYA;
-		break;
-	}
-	return atom_phy_id;
-}
-
 static uint8_t disp_power_gating_action_to_atom(
 	enum bp_pipe_control_action action)
 {
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index df29d28d89c9..af722519a1fa 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -201,16 +201,26 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *
 		struct pipe_ctx *pipe = safe_to_lower
 			? &context->res_ctx.pipe_ctx[i]
 			: &dc->current_state->res_ctx.pipe_ctx[i];
+		struct link_encoder *new_pipe_link_enc = new_pipe->link_res.dio_link_enc;
+		struct link_encoder *pipe_link_enc = pipe->link_res.dio_link_enc;
 		bool stream_changed_otg_dig_on = false;
 		if (pipe->top_pipe || pipe->prev_odm_pipe)
 			continue;
+
+		if (!dc->config.unify_link_enc_assignment) {
+			if (new_pipe->stream)
+				new_pipe_link_enc = new_pipe->stream->link_enc;
+			if (pipe->stream)
+				pipe_link_enc = pipe->stream->link_enc;
+		}
+
 		stream_changed_otg_dig_on = old_pipe->stream && new_pipe->stream &&
 		old_pipe->stream != new_pipe->stream &&
 		old_pipe->stream_res.tg == new_pipe->stream_res.tg &&
-		new_pipe->stream->link_enc && !new_pipe->stream->dpms_off &&
-		new_pipe->stream->link_enc->funcs->is_dig_enabled &&
-		new_pipe->stream->link_enc->funcs->is_dig_enabled(
-		new_pipe->stream->link_enc) &&
+		new_pipe_link_enc && !new_pipe->stream->dpms_off &&
+		new_pipe_link_enc->funcs->is_dig_enabled &&
+		new_pipe_link_enc->funcs->is_dig_enabled(
+		new_pipe_link_enc) &&
 		new_pipe->stream_res.stream_enc &&
 		new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled &&
 		new_pipe->stream_res.stream_enc->funcs->is_fifo_enabled(new_pipe->stream_res.stream_enc);
@@ -226,7 +236,7 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *
 
 		if (!has_active_hpo && !dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(pipe) &&
 					(pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) ||
-					!pipe->stream->link_enc) && !stream_changed_otg_dig_on)) {
+					!pipe_link_enc) && !stream_changed_otg_dig_on)) {
 
 
 			/* This w/a should not trigger when we have a dig active */
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 05ad7a9af4ff..e71ea21401f5 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -905,7 +905,8 @@ void dc_stream_set_static_screen_params(struct dc *dc,
 static void dc_destruct(struct dc *dc)
 {
 	// reset link encoder assignment table on destruct
-	if (dc->res_pool && dc->res_pool->funcs->link_encs_assign)
+	if (dc->res_pool && dc->res_pool->funcs->link_encs_assign &&
+			!dc->config.unify_link_enc_assignment)
 		link_enc_cfg_init(dc, dc->current_state);
 
 	if (dc->current_state) {
@@ -1201,6 +1202,8 @@ static void dc_update_visual_confirm_color(struct dc *dc, struct dc_state *conte
 			get_surface_tile_visual_confirm_color(pipe_ctx, &(pipe_ctx->visual_confirm_color));
 		else if (dc->debug.visual_confirm == VISUAL_CONFIRM_HW_CURSOR)
 			get_cursor_visual_confirm_color(pipe_ctx, &(pipe_ctx->visual_confirm_color));
+		else if (dc->debug.visual_confirm == VISUAL_CONFIRM_DCC)
+			get_dcc_visual_confirm_color(dc, pipe_ctx, &(pipe_ctx->visual_confirm_color));
 		else {
 			if (dc->ctx->dce_version < DCN_VERSION_2_0)
 				color_space_to_black_color(
@@ -3955,6 +3958,9 @@ static void commit_planes_for_stream(struct dc *dc,
 	if (update_type == UPDATE_TYPE_FULL && dc->optimized_required)
 		hwss_process_outstanding_hw_updates(dc, dc->current_state);
 
+	if (update_type != UPDATE_TYPE_FAST && dc->res_pool->funcs->prepare_mcache_programming)
+		dc->res_pool->funcs->prepare_mcache_programming(dc, context);
+
 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
 
@@ -4013,9 +4019,6 @@ static void commit_planes_for_stream(struct dc *dc,
 				odm_pipe->ttu_regs.min_ttu_vblank = MAX_TTU;
 	}
 
-	if (update_type != UPDATE_TYPE_FAST && dc->res_pool->funcs->prepare_mcache_programming)
-		dc->res_pool->funcs->prepare_mcache_programming(dc, context);
-
 	if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed)
 		if (top_pipe_to_program &&
 			top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) {
@@ -4937,7 +4940,8 @@ static bool full_update_required(struct dc *dc,
 			stream_update->lut3d_func ||
 			stream_update->pending_test_pattern ||
 			stream_update->crtc_timing_adjust ||
-			stream_update->scaler_sharpener_update))
+			stream_update->scaler_sharpener_update ||
+			stream_update->hw_cursor_req))
 		return true;
 
 	if (stream) {
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
index af1ea5792560..650e89825968 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
@@ -51,126 +51,6 @@
 		DC_LOG_BANDWIDTH_CALCS(__VA_ARGS__); \
 } while (0)
 
-void pre_surface_trace(
-		struct dc *dc,
-		const struct dc_plane_state *const *plane_states,
-		int surface_count)
-{
-	int i;
-	DC_LOGGER_INIT(dc->ctx->logger);
-
-	for (i = 0; i < surface_count; i++) {
-		const struct dc_plane_state *plane_state = plane_states[i];
-
-		SURFACE_TRACE("Planes %d:\n", i);
-
-		SURFACE_TRACE(
-				"plane_state->visible = %d;\n"
-				"plane_state->flip_immediate = %d;\n"
-				"plane_state->address.type = %d;\n"
-				"plane_state->address.grph.addr.quad_part = 0x%llX;\n"
-				"plane_state->address.grph.meta_addr.quad_part = 0x%llX;\n"
-				"plane_state->scaling_quality.h_taps = %d;\n"
-				"plane_state->scaling_quality.v_taps = %d;\n"
-				"plane_state->scaling_quality.h_taps_c = %d;\n"
-				"plane_state->scaling_quality.v_taps_c = %d;\n",
-				plane_state->visible,
-				plane_state->flip_immediate,
-				plane_state->address.type,
-				plane_state->address.grph.addr.quad_part,
-				plane_state->address.grph.meta_addr.quad_part,
-				plane_state->scaling_quality.h_taps,
-				plane_state->scaling_quality.v_taps,
-				plane_state->scaling_quality.h_taps_c,
-				plane_state->scaling_quality.v_taps_c);
-
-		SURFACE_TRACE(
-				"plane_state->src_rect.x = %d;\n"
-				"plane_state->src_rect.y = %d;\n"
-				"plane_state->src_rect.width = %d;\n"
-				"plane_state->src_rect.height = %d;\n"
-				"plane_state->dst_rect.x = %d;\n"
-				"plane_state->dst_rect.y = %d;\n"
-				"plane_state->dst_rect.width = %d;\n"
-				"plane_state->dst_rect.height = %d;\n"
-				"plane_state->clip_rect.x = %d;\n"
-				"plane_state->clip_rect.y = %d;\n"
-				"plane_state->clip_rect.width = %d;\n"
-				"plane_state->clip_rect.height = %d;\n",
-				plane_state->src_rect.x,
-				plane_state->src_rect.y,
-				plane_state->src_rect.width,
-				plane_state->src_rect.height,
-				plane_state->dst_rect.x,
-				plane_state->dst_rect.y,
-				plane_state->dst_rect.width,
-				plane_state->dst_rect.height,
-				plane_state->clip_rect.x,
-				plane_state->clip_rect.y,
-				plane_state->clip_rect.width,
-				plane_state->clip_rect.height);
-
-		SURFACE_TRACE(
-				"plane_state->plane_size.surface_size.x = %d;\n"
-				"plane_state->plane_size.surface_size.y = %d;\n"
-				"plane_state->plane_size.surface_size.width = %d;\n"
-				"plane_state->plane_size.surface_size.height = %d;\n"
-				"plane_state->plane_size.surface_pitch = %d;\n",
-				plane_state->plane_size.surface_size.x,
-				plane_state->plane_size.surface_size.y,
-				plane_state->plane_size.surface_size.width,
-				plane_state->plane_size.surface_size.height,
-				plane_state->plane_size.surface_pitch);
-
-
-		SURFACE_TRACE(
-				"plane_state->tiling_info.gfx8.num_banks = %d;\n"
-				"plane_state->tiling_info.gfx8.bank_width = %d;\n"
-				"plane_state->tiling_info.gfx8.bank_width_c = %d;\n"
-				"plane_state->tiling_info.gfx8.bank_height = %d;\n"
-				"plane_state->tiling_info.gfx8.bank_height_c = %d;\n"
-				"plane_state->tiling_info.gfx8.tile_aspect = %d;\n"
-				"plane_state->tiling_info.gfx8.tile_aspect_c = %d;\n"
-				"plane_state->tiling_info.gfx8.tile_split = %d;\n"
-				"plane_state->tiling_info.gfx8.tile_split_c = %d;\n"
-				"plane_state->tiling_info.gfx8.tile_mode = %d;\n"
-				"plane_state->tiling_info.gfx8.tile_mode_c = %d;\n",
-				plane_state->tiling_info.gfx8.num_banks,
-				plane_state->tiling_info.gfx8.bank_width,
-				plane_state->tiling_info.gfx8.bank_width_c,
-				plane_state->tiling_info.gfx8.bank_height,
-				plane_state->tiling_info.gfx8.bank_height_c,
-				plane_state->tiling_info.gfx8.tile_aspect,
-				plane_state->tiling_info.gfx8.tile_aspect_c,
-				plane_state->tiling_info.gfx8.tile_split,
-				plane_state->tiling_info.gfx8.tile_split_c,
-				plane_state->tiling_info.gfx8.tile_mode,
-				plane_state->tiling_info.gfx8.tile_mode_c);
-
-		SURFACE_TRACE(
-				"plane_state->tiling_info.gfx8.pipe_config = %d;\n"
-				"plane_state->tiling_info.gfx8.array_mode = %d;\n"
-				"plane_state->color_space = %d;\n"
-				"plane_state->dcc.enable = %d;\n"
-				"plane_state->format = %d;\n"
-				"plane_state->rotation = %d;\n"
-				"plane_state->stereo_format = %d;\n",
-				plane_state->tiling_info.gfx8.pipe_config,
-				plane_state->tiling_info.gfx8.array_mode,
-				plane_state->color_space,
-				plane_state->dcc.enable,
-				plane_state->format,
-				plane_state->rotation,
-				plane_state->stereo_format);
-
-		SURFACE_TRACE("plane_state->tiling_info.gfx9.swizzle = %d;\n",
-				plane_state->tiling_info.gfx9.swizzle);
-
-		SURFACE_TRACE("\n");
-	}
-	SURFACE_TRACE("\n");
-}
-
 void update_surface_trace(
 		struct dc *dc,
 		const struct dc_surface_update *updates,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
index 6b514fd03f16..e0277728268a 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c
@@ -34,6 +34,7 @@
 #include "dc_state_priv.h"
 
 #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
+#define MAX_NUM_MCACHE 8
 
 /* used as index in array of black_color_format */
 enum black_color_format {
@@ -553,6 +554,53 @@ void get_cursor_visual_confirm_color(
 	}
 }
 
+void get_dcc_visual_confirm_color(
+	struct dc *dc,
+	struct pipe_ctx *pipe_ctx,
+	struct tg_color *color)
+{
+	const uint32_t MCACHE_ID_UNASSIGNED = 0xF;
+
+	if (!pipe_ctx->plane_state->dcc.enable) {
+		color->color_r_cr = 0; /* black - DCC disabled */
+		color->color_g_y = 0;
+		color->color_b_cb = 0;
+		return;
+	}
+
+	if (dc->ctx->dce_version < DCN_VERSION_4_01) {
+		color->color_r_cr = MAX_TG_COLOR_VALUE; /* red - DCC enabled */
+		color->color_g_y = 0;
+		color->color_b_cb = 0;
+		return;
+	}
+
+	uint32_t first_id = pipe_ctx->mcache_regs.main.p0.mcache_id_first;
+	uint32_t second_id = pipe_ctx->mcache_regs.main.p0.mcache_id_second;
+
+	if (first_id != MCACHE_ID_UNASSIGNED && second_id != MCACHE_ID_UNASSIGNED && first_id != second_id) {
+		color->color_r_cr = MAX_TG_COLOR_VALUE/2; /* grey - 2 mcache */
+		color->color_g_y = MAX_TG_COLOR_VALUE/2;
+		color->color_b_cb = MAX_TG_COLOR_VALUE/2;
+	}
+
+	else if (first_id != MCACHE_ID_UNASSIGNED || second_id != MCACHE_ID_UNASSIGNED) {
+		const struct tg_color id_colors[MAX_NUM_MCACHE] = {
+		{0, MAX_TG_COLOR_VALUE, 0}, /* green */
+		{0, 0, MAX_TG_COLOR_VALUE}, /* blue */
+		{MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE, 0}, /* yellow */
+		{MAX_TG_COLOR_VALUE, 0, MAX_TG_COLOR_VALUE}, /* magenta */
+		{0, MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE}, /* cyan */
+		{MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE}, /* white */
+		{MAX_TG_COLOR_VALUE/2, 0, 0}, /* dark red */
+		{0, MAX_TG_COLOR_VALUE/2, 0}, /* dark green */
+		};
+
+		uint32_t assigned_id = (first_id != MCACHE_ID_UNASSIGNED) ? first_id : second_id;
+		*color = id_colors[assigned_id];
+	}
+}
+
 void set_p_state_switch_method(
 		struct dc *dc,
 		struct dc_state *context,
@@ -564,6 +612,7 @@ void set_p_state_switch_method(
 	if (!dc->ctx || !dc->ctx->dmub_srv || !pipe_ctx || !vba)
 		return;
 
+	pipe_ctx->p_state_type = P_STATE_UNKNOWN;
 	if (vba->DRAMClockChangeSupport[vba->VoltageLevel][vba->maxMpcComb] !=
 			dm_dram_clock_change_unsupported) {
 		/* MCLK switching is supported */
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 7eb91612b60d..ea404435c9b9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1472,7 +1472,8 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx)
 	DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
 
 	/* Invalid input */
-	if (!plane_state->dst_rect.width ||
+	if (!plane_state ||
+			!plane_state->dst_rect.width ||
 			!plane_state->dst_rect.height ||
 			!plane_state->src_rect.width ||
 			!plane_state->src_rect.height) {
@@ -4925,7 +4926,10 @@ bool pipe_need_reprogram(
 		return true;
 
 	/* DIG link encoder resource assignment for stream changed. */
-	if (pipe_ctx_old->stream->ctx->dc->res_pool->funcs->link_encs_assign) {
+	if (pipe_ctx_old->stream->ctx->dc->config.unify_link_enc_assignment) {
+		if (pipe_ctx_old->link_res.dio_link_enc != pipe_ctx->link_res.dio_link_enc)
+			return true;
+	} else if (pipe_ctx_old->stream->ctx->dc->res_pool->funcs->link_encs_assign) {
 		bool need_reprogram = false;
 		struct dc *dc = pipe_ctx_old->stream->ctx->dc;
 		struct link_encoder *link_enc_prev =
@@ -5191,7 +5195,7 @@ void get_audio_check(struct audio_info *aud_modes,
 	}
 }
 
-static struct link_encoder *get_temp_dio_link_enc(
+struct link_encoder *get_temp_dio_link_enc(
 		const struct resource_context *res_ctx,
 		const struct resource_pool *const pool,
 		const struct dc_link *link)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index e8134c47fe0d..0478dd856d8c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -201,7 +201,8 @@ struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream)
 	dc_stream_assign_stream_id(new_stream);
 
 	/* If using dynamic encoder assignment, wait till stream committed to assign encoder. */
-	if (new_stream->ctx->dc->res_pool->funcs->link_encs_assign)
+	if (new_stream->ctx->dc->res_pool->funcs->link_encs_assign &&
+			!new_stream->ctx->dc->config.unify_link_enc_assignment)
 		new_stream->link_enc = NULL;
 
 	kref_init(&new_stream->refcount);
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 5e96913bcab1..a62c4893e5ff 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -53,7 +53,7 @@ struct aux_payload;
 struct set_config_cmd_payload;
 struct dmub_notification;
 
-#define DC_VER "3.2.321"
+#define DC_VER "3.2.323"
 
 /**
  * MAX_SURFACES - representative of the upper bound of surfaces that can be piped to a single CRTC
@@ -495,6 +495,7 @@ enum visual_confirm {
 	VISUAL_CONFIRM_FAMS2 = 19,
 	VISUAL_CONFIRM_HW_CURSOR = 20,
 	VISUAL_CONFIRM_VABC = 21,
+	VISUAL_CONFIRM_DCC = 22,
 };
 
 enum dc_psr_power_opts {
@@ -1083,6 +1084,7 @@ struct dc_debug_options {
 	unsigned int enable_oled_edp_power_up_opt;
 	bool enable_hblank_borrow;
 	bool force_subvp_df_throttle;
+	uint32_t acpi_transition_bitmasks[MAX_PIPES];
 };
 
 
@@ -1806,6 +1808,7 @@ struct dc_link {
 
 	struct dc_panel_config panel_config;
 	struct phy_state phy_state;
+	uint32_t phy_transition_bitmask;
 	// BW ALLOCATON USB4 ONLY
 	struct dc_dpia_bw_alloc dpia_bw_alloc_config;
 	bool skip_implict_edp_power_control;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
index ae6e2d8552ac..1f4f11adc491 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
@@ -300,6 +300,19 @@ union lane_align_status_updated {
 	uint8_t raw;
 };
 
+union link_service_irq_vector_esi0 {
+	struct {
+		uint8_t DP_LINK_RX_CAP_CHANGED:1;
+		uint8_t DP_LINK_STATUS_CHANGED:1;
+		uint8_t DP_LINK_STREAM_STATUS_CHANGED:1;
+		uint8_t DP_LINK_HDMI_LINK_STATUS_CHANGED:1;
+		uint8_t DP_LINK_CONNECTED_OFF_ENTRY_REQUESTED:1;
+		uint8_t DP_LINK_TUNNELING_IRQ:1;
+		uint8_t reserved:2;
+	} bits;
+	uint8_t raw;
+};
+
 union lane_adjust {
 	struct {
 		uint8_t VOLTAGE_SWING_LANE:2;
@@ -410,14 +423,6 @@ union dwnstream_port_caps_byte3_hdmi {
 	uint8_t raw;
 };
 
-union hdmi_sink_encoded_link_bw_support {
-	struct {
-		uint8_t HDMI_SINK_ENCODED_LINK_BW_SUPPORT:3;
-		uint8_t RESERVED:5;
-	} bits;
-	uint8_t raw;
-};
-
 union hdmi_encoded_link_bw {
 	struct {
 		uint8_t FRL_MODE:1; // Bit 0
@@ -470,8 +475,10 @@ union sink_status {
 	uint8_t raw;
 };
 
-/*6-byte structure corresponding to 6 registers (200h-205h)
-read during handling of HPD-IRQ*/
+/* 7-byte structure corresponding to 6 registers (200h-205h)
+ * and LINK_SERVICE_IRQ_ESI0 (2005h) for tunneling IRQ
+ * read during handling of HPD-IRQ
+ */
 union hpd_irq_data {
 	struct {
 		union sink_count sink_cnt;/* 200h */
@@ -479,9 +486,10 @@ union hpd_irq_data {
 		union lane_status lane01_status;/* 202h */
 		union lane_status lane23_status;/* 203h */
 		union lane_align_status_updated lane_status_updated;/* 204h */
-		union sink_status sink_status;
+		union sink_status sink_status;/* 205h */
+		union link_service_irq_vector_esi0 link_service_irq_esi0;/* 2005h */
 	} bytes;
-	uint8_t raw[6];
+	uint8_t raw[7];
 };
 
 union down_stream_port_count {
@@ -1128,6 +1136,8 @@ struct dc_lttpr_caps {
 	union dp_128b_132b_supported_lttpr_link_rates supported_128b_132b_rates;
 	union dp_alpm_lttpr_cap alpm;
 	uint8_t aux_rd_interval[MAX_REPEATER_CNT - 1];
+	uint8_t lttpr_ieee_oui[3];
+	uint8_t lttpr_device_id[6];
 };
 
 struct dc_dongle_dfp_cap_ext {
@@ -1218,6 +1228,8 @@ struct dpcd_caps {
 	struct replay_info pr_info;
 	uint16_t edp_oled_emission_rate;
 	union dp_receive_port0_cap receive_port0_cap;
+	/* Indicates the number of SST links supported by MSO (Multi-Stream Output) */
+	uint8_t mso_cap_sst_links_supported;
 };
 
 union dpcd_sink_ext_caps {
@@ -1391,6 +1403,12 @@ struct dp_trace {
 #ifndef DP_BRANCH_VENDOR_SPECIFIC_START
 #define DP_BRANCH_VENDOR_SPECIFIC_START     0x50C
 #endif
+#ifndef DP_LTTPR_IEEE_OUI
+#define DP_LTTPR_IEEE_OUI 0xF003D
+#endif
+#ifndef DP_LTTPR_DEVICE_ID
+#define DP_LTTPR_DEVICE_ID 0xF0040
+#endif
 /** USB4 DPCD BW Allocation Registers Chapter 10.7 **/
 #ifndef DP_TUNNELING_CAPABILITIES
 #define DP_TUNNELING_CAPABILITIES			0xE000D /* 1.4a */
@@ -1428,4 +1446,20 @@ struct dp_trace {
 #ifndef REQUESTED_BW
 #define REQUESTED_BW					0xE0031 /* 1.4a */
 #endif
+# ifndef DP_TUNNELING_BW_ALLOC_BITS_MASK
+# define DP_TUNNELING_BW_ALLOC_BITS_MASK		(0x0F << 0)
+# endif
+# ifndef DP_TUNNELING_BW_REQUEST_FAILED
+# define DP_TUNNELING_BW_REQUEST_FAILED			(1 << 0)
+# endif
+# ifndef DP_TUNNELING_BW_REQUEST_SUCCEEDED
+# define DP_TUNNELING_BW_REQUEST_SUCCEEDED		(1 << 1)
+# endif
+# ifndef DP_TUNNELING_ESTIMATED_BW_CHANGED
+# define DP_TUNNELING_ESTIMATED_BW_CHANGED		(1 << 2)
+# endif
+# ifndef DP_TUNNELING_BW_ALLOC_CAP_CHANGED
+# define DP_TUNNELING_BW_ALLOC_CAP_CHANGED		(1 << 3)
+# endif
+
 #endif /* DC_DP_TYPES_H */
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index e60898c2df01..acd3b373a18e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -181,6 +181,7 @@ struct dc_panel_patch {
 	uint8_t blankstream_before_otg_off;
 	bool oled_optimize_display_on;
 	unsigned int force_mst_blocked_discovery;
+	unsigned int wait_after_dpcd_poweroff_ms;
 };
 
 struct dc_edid_caps {
diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn20/dcn20_dccg.h b/drivers/gpu/drm/amd/display/dc/dccg/dcn20/dcn20_dccg.h
index 160c299419b7..a9b88f5e0c04 100644
--- a/drivers/gpu/drm/amd/display/dc/dccg/dcn20/dcn20_dccg.h
+++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn20/dcn20_dccg.h
@@ -379,53 +379,55 @@ struct dccg_mask {
 	DCCG401_REG_FIELD_LIST(uint32_t)
 };
 
+#define DCCG_REG_VARIABLE_LIST \
+	uint32_t DPPCLK_DTO_CTRL; \
+	uint32_t DPPCLK_DTO_PARAM[6]; \
+	uint32_t REFCLK_CNTL; \
+	uint32_t DISPCLK_FREQ_CHANGE_CNTL; \
+	uint32_t OTG_PIXEL_RATE_CNTL[MAX_PIPES]; \
+	uint32_t HDMICHARCLK_CLOCK_CNTL[6]; \
+	uint32_t PHYASYMCLK_CLOCK_CNTL; \
+	uint32_t PHYBSYMCLK_CLOCK_CNTL; \
+	uint32_t PHYCSYMCLK_CLOCK_CNTL; \
+	uint32_t PHYDSYMCLK_CLOCK_CNTL; \
+	uint32_t PHYESYMCLK_CLOCK_CNTL; \
+	uint32_t DTBCLK_DTO_MODULO[MAX_PIPES]; \
+	uint32_t DTBCLK_DTO_PHASE[MAX_PIPES]; \
+	uint32_t DCCG_AUDIO_DTBCLK_DTO_MODULO; \
+	uint32_t DCCG_AUDIO_DTBCLK_DTO_PHASE; \
+	uint32_t DCCG_AUDIO_DTO_SOURCE; \
+	uint32_t DPSTREAMCLK_CNTL; \
+	uint32_t HDMISTREAMCLK_CNTL; \
+	uint32_t SYMCLK32_SE_CNTL; \
+	uint32_t SYMCLK32_LE_CNTL; \
+	uint32_t DENTIST_DISPCLK_CNTL; \
+	uint32_t DSCCLK_DTO_CTRL; \
+	uint32_t DSCCLK0_DTO_PARAM; \
+	uint32_t DSCCLK1_DTO_PARAM; \
+	uint32_t DSCCLK2_DTO_PARAM; \
+	uint32_t DSCCLK3_DTO_PARAM; \
+	uint32_t DPSTREAMCLK_ROOT_GATE_DISABLE; \
+	uint32_t DPSTREAMCLK_GATE_DISABLE; \
+	uint32_t DCCG_GATE_DISABLE_CNTL; \
+	uint32_t DCCG_GATE_DISABLE_CNTL2; \
+	uint32_t DCCG_GATE_DISABLE_CNTL3; \
+	uint32_t HDMISTREAMCLK0_DTO_PARAM; \
+	uint32_t DCCG_GATE_DISABLE_CNTL4; \
+	uint32_t OTG_PIXEL_RATE_DIV; \
+	uint32_t DTBCLK_P_CNTL; \
+	uint32_t DPPCLK_CTRL; \
+	uint32_t DCCG_GATE_DISABLE_CNTL5; \
+	uint32_t DCCG_GATE_DISABLE_CNTL6; \
+	uint32_t DCCG_GLOBAL_FGCG_REP_CNTL; \
+	uint32_t SYMCLKA_CLOCK_ENABLE; \
+	uint32_t SYMCLKB_CLOCK_ENABLE; \
+	uint32_t SYMCLKC_CLOCK_ENABLE; \
+	uint32_t SYMCLKD_CLOCK_ENABLE; \
+	uint32_t SYMCLKE_CLOCK_ENABLE; \
+	uint32_t DP_DTO_MODULO[MAX_PIPES]; \
+	uint32_t DP_DTO_PHASE[MAX_PIPES]
 struct dccg_registers {
-	uint32_t DPPCLK_DTO_CTRL;
-	uint32_t DPPCLK_DTO_PARAM[6];
-	uint32_t REFCLK_CNTL;
-	uint32_t DISPCLK_FREQ_CHANGE_CNTL;
-	uint32_t OTG_PIXEL_RATE_CNTL[MAX_PIPES];
-	uint32_t HDMICHARCLK_CLOCK_CNTL[6];
-	uint32_t PHYASYMCLK_CLOCK_CNTL;
-	uint32_t PHYBSYMCLK_CLOCK_CNTL;
-	uint32_t PHYCSYMCLK_CLOCK_CNTL;
-	uint32_t PHYDSYMCLK_CLOCK_CNTL;
-	uint32_t PHYESYMCLK_CLOCK_CNTL;
-	uint32_t DTBCLK_DTO_MODULO[MAX_PIPES];
-	uint32_t DTBCLK_DTO_PHASE[MAX_PIPES];
-	uint32_t DCCG_AUDIO_DTBCLK_DTO_MODULO;
-	uint32_t DCCG_AUDIO_DTBCLK_DTO_PHASE;
-	uint32_t DCCG_AUDIO_DTO_SOURCE;
-	uint32_t DPSTREAMCLK_CNTL;
-	uint32_t HDMISTREAMCLK_CNTL;
-	uint32_t SYMCLK32_SE_CNTL;
-	uint32_t SYMCLK32_LE_CNTL;
-	uint32_t DENTIST_DISPCLK_CNTL;
-	uint32_t DSCCLK_DTO_CTRL;
-	uint32_t DSCCLK0_DTO_PARAM;
-	uint32_t DSCCLK1_DTO_PARAM;
-	uint32_t DSCCLK2_DTO_PARAM;
-	uint32_t DSCCLK3_DTO_PARAM;
-	uint32_t DPSTREAMCLK_ROOT_GATE_DISABLE;
-	uint32_t DPSTREAMCLK_GATE_DISABLE;
-	uint32_t DCCG_GATE_DISABLE_CNTL;
-	uint32_t DCCG_GATE_DISABLE_CNTL2;
-	uint32_t DCCG_GATE_DISABLE_CNTL3;
-	uint32_t HDMISTREAMCLK0_DTO_PARAM;
-	uint32_t DCCG_GATE_DISABLE_CNTL4;
-	uint32_t OTG_PIXEL_RATE_DIV;
-	uint32_t DTBCLK_P_CNTL;
-	uint32_t DPPCLK_CTRL;
-	uint32_t DCCG_GATE_DISABLE_CNTL5;
-	uint32_t DCCG_GATE_DISABLE_CNTL6;
-	uint32_t DCCG_GLOBAL_FGCG_REP_CNTL;
-	uint32_t SYMCLKA_CLOCK_ENABLE;
-	uint32_t SYMCLKB_CLOCK_ENABLE;
-	uint32_t SYMCLKC_CLOCK_ENABLE;
-	uint32_t SYMCLKD_CLOCK_ENABLE;
-	uint32_t SYMCLKE_CLOCK_ENABLE;
-	uint32_t DP_DTO_MODULO[MAX_PIPES];
-	uint32_t DP_DTO_PHASE[MAX_PIPES];
+	DCCG_REG_VARIABLE_LIST;
 };
 
 struct dcn_dccg {
diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c
index 332094ad2b05..ffd172231fdf 100644
--- a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c
+++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c
@@ -531,7 +531,7 @@ static void dccg401_enable_dpstreamclk(struct dccg *dccg, int otg_inst, int dp_h
 			DPSTREAMCLK_ROOT_GATE_DISABLE, 1);
 }
 
-static void dccg401_disable_dpstreamclk(struct dccg *dccg, int dp_hpo_inst)
+void dccg401_disable_dpstreamclk(struct dccg *dccg, int dp_hpo_inst)
 {
 	struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.h b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.h
index b9905c73e754..55e8718aad22 100644
--- a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.h
+++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.h
@@ -208,6 +208,8 @@ void dccg401_enable_symclk32_le(
 void dccg401_disable_symclk32_le(
 		struct dccg *dccg,
 		int hpo_le_inst);
+void dccg401_disable_dpstreamclk(struct dccg *dccg, int dp_hpo_inst);
+void dccg401_set_dto_dscclk(struct dccg *dccg, uint32_t inst);
 void dccg401_set_ref_dscclk(struct dccg *dccg,
 				uint32_t dsc_inst);
 void dccg401_set_src_sel(
@@ -228,14 +230,11 @@ void dccg401_set_dp_dto(
 		const struct dp_dto_params *params);
 void dccg401_enable_symclk_se(struct dccg *dccg, uint32_t stream_enc_inst, uint32_t link_enc_inst);
 void dccg401_disable_symclk_se(struct dccg *dccg, uint32_t stream_enc_inst, uint32_t link_enc_inst);
-
 void dccg401_set_dto_dscclk(struct dccg *dccg, uint32_t inst);
 void dccg401_set_dtbclk_p_src(
 		struct dccg *dccg,
 		enum streamclk_source src,
 		uint32_t otg_inst);
-
-
 struct dccg *dccg401_create(
 	struct dc_context *ctx,
 	const struct dccg_registers *regs,
diff --git a/drivers/gpu/drm/amd/display/dc/dce60/dce60_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce60/dce60_timing_generator.c
index e5fb0e8333e4..e691a1cf3356 100644
--- a/drivers/gpu/drm/amd/display/dc/dce60/dce60_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dce60/dce60_timing_generator.c
@@ -239,6 +239,7 @@ static const struct timing_generator_funcs dce60_tg_funcs = {
 				dce60_timing_generator_enable_advanced_request,
 		.configure_crc = dce60_configure_crc,
 		.get_crc = dce110_get_crc,
+		.is_two_pixels_per_container = dce110_is_two_pixels_per_container,
 };
 
 void dce60_timing_generator_construct(
diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c
index ea0c9a9d0bd6..9972911330b6 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c
@@ -137,9 +137,9 @@ static const struct link_encoder_funcs dcn35_link_enc_funcs = {
 	.hw_init = dcn35_link_encoder_init,
 	.setup = dcn35_link_encoder_setup,
 	.enable_tmds_output = dcn10_link_encoder_enable_tmds_output,
-	.enable_dp_output = dcn31_link_encoder_enable_dp_output,
-	.enable_dp_mst_output = dcn31_link_encoder_enable_dp_mst_output,
-	.disable_output = dcn31_link_encoder_disable_output,
+	.enable_dp_output = dcn35_link_encoder_enable_dp_output,
+	.enable_dp_mst_output = dcn35_link_encoder_enable_dp_mst_output,
+	.disable_output = dcn35_link_encoder_disable_output,
 	.dp_set_lane_settings = dcn10_link_encoder_dp_set_lane_settings,
 	.dp_set_phy_pattern = dcn10_link_encoder_dp_set_phy_pattern,
 	.update_mst_stream_allocation_table =
@@ -297,6 +297,50 @@ static void link_encoder_disable(struct dcn10_link_encoder *enc10)
 	REG_UPDATE(DP_LINK_CNTL, DP_LINK_TRAINING_COMPLETE, 0);
 }
 
+void dcn35_link_encoder_enable_dp_output(
+	struct link_encoder *enc,
+	const struct dc_link_settings *link_settings,
+	enum clock_source_id clock_source)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+	if (!enc->ctx->dc->config.unify_link_enc_assignment)
+		dcn31_link_encoder_enable_dp_output(enc, link_settings, clock_source);
+	else {
+		DC_LOG_DEBUG("%s: enc_id(%d)\n", __func__, enc->preferred_engine);
+		dcn20_link_encoder_enable_dp_output(enc, link_settings, clock_source);
+	}
+}
+
+void dcn35_link_encoder_enable_dp_mst_output(
+	struct link_encoder *enc,
+	const struct dc_link_settings *link_settings,
+	enum clock_source_id clock_source)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+	if (!enc->ctx->dc->config.unify_link_enc_assignment)
+		dcn31_link_encoder_enable_dp_mst_output(enc, link_settings, clock_source);
+	else {
+		DC_LOG_DEBUG("%s: enc_id(%d)\n", __func__, enc->preferred_engine);
+		dcn10_link_encoder_enable_dp_mst_output(enc, link_settings, clock_source);
+	}
+}
+
+void dcn35_link_encoder_disable_output(
+	struct link_encoder *enc,
+	enum signal_type signal)
+{
+	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+
+	if (!enc->ctx->dc->config.unify_link_enc_assignment)
+		dcn31_link_encoder_disable_output(enc, signal);
+	else {
+		DC_LOG_DEBUG("%s: enc_id(%d)\n", __func__, enc->preferred_engine);
+		dcn10_link_encoder_disable_output(enc, signal);
+	}
+}
+
 void dcn35_link_encoder_enable_dpia_output(
 	struct link_encoder *enc,
 	const struct dc_link_settings *link_settings,
diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.h
index f9d4221f4b43..5712e6553fab 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.h
@@ -145,6 +145,29 @@ enum signal_type dcn35_get_dig_mode(struct link_encoder *enc);
 void dcn35_link_encoder_setup(struct link_encoder *enc, enum signal_type signal);
 
 /*
+ * Enable DP transmitter and its encoder.
+ */
+void dcn35_link_encoder_enable_dp_output(
+	struct link_encoder *enc,
+	const struct dc_link_settings *link_settings,
+	enum clock_source_id clock_source);
+
+/*
+ * Enable DP transmitter and its encoder in MST mode.
+ */
+void dcn35_link_encoder_enable_dp_mst_output(
+	struct link_encoder *enc,
+	const struct dc_link_settings *link_settings,
+	enum clock_source_id clock_source);
+
+/*
+ * Disable transmitter and its encoder.
+ */
+void dcn35_link_encoder_disable_output(
+	struct link_encoder *enc,
+	enum signal_type signal);
+
+/*
  * Enable DP transmitter and its encoder for dpia port.
  */
 void dcn35_link_encoder_enable_dpia_output(
diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.c
index 4bab180e1938..d5fa551dd3c9 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.c
@@ -100,7 +100,7 @@ void enc401_stream_encoder_dvi_set_stream_attribute(
 }
 
 /* setup stream encoder in hdmi mode */
-static void enc401_stream_encoder_hdmi_set_stream_attribute(
+void enc401_stream_encoder_hdmi_set_stream_attribute(
 	struct stream_encoder *enc,
 	struct dc_crtc_timing *crtc_timing,
 	int actual_pix_clk_khz,
diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.h b/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.h
index 25cc8f72d8d3..d6b00cd246b1 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn401/dcn401_dio_stream_encoder.h
@@ -232,4 +232,9 @@ void enc401_stream_encoder_map_to_link(
 		uint32_t stream_enc_inst,
 		uint32_t link_enc_inst);
 void enc401_read_state(struct stream_encoder *enc, struct enc_state *s);
+void enc401_stream_encoder_hdmi_set_stream_attribute(
+	struct stream_encoder *enc,
+	struct dc_crtc_timing *crtc_timing,
+	int actual_pix_clk_khz,
+	bool enable_audio);
 #endif /* __DC_DIO_STREAM_ENCODER_DCN401_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h
index f81e5a4e1d6d..7b9c22c45453 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_services.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_services.h
@@ -291,6 +291,13 @@ bool dm_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd, e
 bool dm_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type);
 
 /*
+ * ACPI Interfaces
+ */
+void dm_acpi_process_phy_transition_interlock(
+	const struct dc_context *ctx,
+	struct dm_process_phy_transition_init_params process_phy_transition_init_params);
+
+/*
  * Debug and verification hooks
  */
 
diff --git a/drivers/gpu/drm/amd/display/dc/dm_services_types.h b/drivers/gpu/drm/amd/display/dc/dm_services_types.h
index facf269c4326..bf63da266a18 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_services_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_services_types.h
@@ -275,4 +275,30 @@ enum dm_dmub_wait_type {
 	DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY,
 };
 
+enum dm_acpi_transition_link_type {
+	hdmi_tmds,
+	hdmi_frl,
+	dp_8b_10b,
+	dp_128b_132b,
+	none
+};
+
+struct dm_process_phy_transition_init_params {
+	uint32_t phy_id;
+	uint8_t action;
+	uint32_t sym_clock_10khz;
+	enum signal_type signal;
+	enum dc_lane_count display_port_lanes_count;
+	enum dc_link_rate display_port_link_rate;
+	uint32_t transition_bitmask;
+	uint8_t hdmi_frl_num_lanes;
+};
+
+struct dm_process_phy_transition_input_params {
+	uint32_t phy_id;
+	uint32_t transition_id;
+	uint32_t phy_configuration;
+	uint32_t data_rate;
+};
+
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
index aac0a0ae2966..88789987bdbc 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c
@@ -178,82 +178,6 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_0_soc = {
 };
 
 
-void optc3_fpu_set_vrr_m_const(struct timing_generator *optc,
-		double vtotal_avg)
-{
-	struct optc *optc1 = DCN10TG_FROM_TG(optc);
-	double vtotal_min, vtotal_max;
-	double ratio, modulo, phase;
-	uint32_t vblank_start;
-	uint32_t v_total_mask_value = 0;
-
-	dc_assert_fp_enabled();
-
-	/* Compute VTOTAL_MIN and VTOTAL_MAX, so that
-	 * VOTAL_MAX - VTOTAL_MIN = 1
-	 */
-	v_total_mask_value = 16;
-	vtotal_min = dcn_bw_floor(vtotal_avg);
-	vtotal_max = dcn_bw_ceil(vtotal_avg);
-
-	/* Check that bottom VBLANK is at least 2 lines tall when running with
-	 * VTOTAL_MIN. Note that VTOTAL registers are defined as 'total number
-	 * of lines in a frame - 1'.
-	 */
-	REG_GET(OTG_V_BLANK_START_END, OTG_V_BLANK_START,
-		&vblank_start);
-	ASSERT(vtotal_min >= vblank_start + 1);
-
-	/* Special case where the average frame rate can be achieved
-	 * without using the DTO
-	 */
-	if (vtotal_min == vtotal_max) {
-		REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL, (uint32_t)vtotal_min);
-
-		optc->funcs->set_vtotal_min_max(optc, 0, 0);
-		REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, 0);
-		REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, 0);
-		REG_UPDATE_3(OTG_V_TOTAL_CONTROL,
-			OTG_V_TOTAL_MIN_SEL, 0,
-			OTG_V_TOTAL_MAX_SEL, 0,
-			OTG_SET_V_TOTAL_MIN_MASK_EN, 0);
-		return;
-	}
-
-	ratio = vtotal_max - vtotal_avg;
-	modulo = 65536.0 * 65536.0 - 1.0; /* 2^32 - 1 */
-	phase = ratio * modulo;
-
-	/* Special cases where the DTO phase gets rounded to 0 or
-	 * to DTO modulo
-	 */
-	if (phase <= 0 || phase >= modulo) {
-		REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL,
-			phase <= 0 ?
-				(uint32_t)vtotal_max : (uint32_t)vtotal_min);
-		REG_SET(OTG_V_TOTAL_MIN, 0, OTG_V_TOTAL_MIN, 0);
-		REG_SET(OTG_V_TOTAL_MAX, 0, OTG_V_TOTAL_MAX, 0);
-		REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, 0);
-		REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, 0);
-		REG_UPDATE_3(OTG_V_TOTAL_CONTROL,
-			OTG_V_TOTAL_MIN_SEL, 0,
-			OTG_V_TOTAL_MAX_SEL, 0,
-			OTG_SET_V_TOTAL_MIN_MASK_EN, 0);
-		return;
-	}
-	REG_UPDATE_6(OTG_V_TOTAL_CONTROL,
-		OTG_V_TOTAL_MIN_SEL, 1,
-		OTG_V_TOTAL_MAX_SEL, 1,
-		OTG_SET_V_TOTAL_MIN_MASK_EN, 1,
-		OTG_SET_V_TOTAL_MIN_MASK, v_total_mask_value,
-		OTG_VTOTAL_MID_REPLACING_MIN_EN, 0,
-		OTG_VTOTAL_MID_REPLACING_MAX_EN, 0);
-	REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL, (uint32_t)vtotal_min);
-	optc->funcs->set_vtotal_min_max(optc, vtotal_min, vtotal_max);
-	REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, (uint32_t)phase);
-	REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, (uint32_t)modulo);
-}
-
 void dcn30_fpu_populate_dml_writeback_from_context(
 		struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes)
 {
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.h b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.h
index cab864095ce7..e3b6ad6a8784 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.h
@@ -29,9 +29,6 @@
 #include "core_types.h"
 #include "dcn20/dcn20_optc.h"
 
-void optc3_fpu_set_vrr_m_const(struct timing_generator *optc,
-		double vtotal_avg);
-
 void dcn30_fpu_populate_dml_writeback_from_context(
 		struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
index cee1b351e105..f1fe49401bc0 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
@@ -281,10 +281,10 @@ static void CalculateDynamicMetadataParameters(
 		double DISPCLK,
 		double DCFClkDeepSleep,
 		double PixelClock,
-		long HTotal,
-		long VBlank,
-		long DynamicMetadataTransmittedBytes,
-		long DynamicMetadataLinesBeforeActiveRequired,
+		unsigned int HTotal,
+		unsigned int VBlank,
+		unsigned int DynamicMetadataTransmittedBytes,
+		int DynamicMetadataLinesBeforeActiveRequired,
 		int InterlaceEnable,
 		bool ProgressiveToInterlaceUnitInOPP,
 		double *Tsetup,
@@ -3265,8 +3265,8 @@ static double CalculateWriteBackDelay(
 
 
 static void CalculateDynamicMetadataParameters(int MaxInterDCNTileRepeaters, double DPPCLK, double DISPCLK,
-		double DCFClkDeepSleep, double PixelClock, long HTotal, long VBlank, long DynamicMetadataTransmittedBytes,
-		long DynamicMetadataLinesBeforeActiveRequired, int InterlaceEnable, bool ProgressiveToInterlaceUnitInOPP,
+		double DCFClkDeepSleep, double PixelClock, unsigned int HTotal, unsigned int VBlank, unsigned int DynamicMetadataTransmittedBytes,
+		int DynamicMetadataLinesBeforeActiveRequired, int InterlaceEnable, bool ProgressiveToInterlaceUnitInOPP,
 		double *Tsetup, double *Tdmbf, double *Tdmec, double *Tdmsks)
 {
 	double TotalRepeaterDelayTime = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 6f490d8d7038..56dda686e299 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -626,6 +626,7 @@ static bool dcn32_assign_subvp_pipe(struct dc *dc,
 		 * - Not TMZ surface
 		 */
 		if (pipe->plane_state && !pipe->top_pipe && !pipe->prev_odm_pipe && !dcn32_is_center_timing(pipe) &&
+				!pipe->stream->hw_cursor_req &&
 				!(pipe->stream->timing.pix_clk_100hz / 10000 > DCN3_2_MAX_SUBVP_PIXEL_RATE_MHZ) &&
 				(!dcn32_is_psr_capable(pipe) || (context->stream_count == 1 && dc->caps.dmub_caps.subvp_psr)) &&
 				dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_NONE &&
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c
index 412e75eb4704..12ff65b6a7e5 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c
@@ -122,17 +122,6 @@ void print__data_rq_misc_params_st(struct display_mode_lib *mode_lib, const stru
 	dml_print("DML_RQ_DLG_CALC: =====================================\n");
 }
 
-void print__rq_dlg_params_st(struct display_mode_lib *mode_lib, const struct _vcs_dpi_display_rq_dlg_params_st *rq_dlg_param)
-{
-	dml_print("DML_RQ_DLG_CALC: =====================================\n");
-	dml_print("DML_RQ_DLG_CALC: DISPLAY_RQ_DLG_PARAM_ST\n");
-	dml_print("DML_RQ_DLG_CALC:  <LUMA>\n");
-	print__data_rq_dlg_params_st(mode_lib, &rq_dlg_param->rq_l);
-	dml_print("DML_RQ_DLG_CALC:  <CHROMA>\n");
-	print__data_rq_dlg_params_st(mode_lib, &rq_dlg_param->rq_c);
-	dml_print("DML_RQ_DLG_CALC: =====================================\n");
-}
-
 void print__dlg_sys_params_st(struct display_mode_lib *mode_lib, const struct _vcs_dpi_display_dlg_sys_params_st *dlg_sys_param)
 {
 	dml_print("DML_RQ_DLG_CALC: =====================================\n");
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h
index ebcd717744e5..2bc64c4081dc 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h
@@ -35,7 +35,6 @@ void print__rq_params_st(struct display_mode_lib *mode_lib, const struct _vcs_dp
 void print__data_rq_sizing_params_st(struct display_mode_lib *mode_lib, const struct _vcs_dpi_display_data_rq_sizing_params_st *rq_sizing);
 void print__data_rq_dlg_params_st(struct display_mode_lib *mode_lib, const 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, const struct _vcs_dpi_display_data_rq_misc_params_st *rq_misc_param);
-void print__rq_dlg_params_st(struct display_mode_lib *mode_lib, const struct _vcs_dpi_display_rq_dlg_params_st *rq_dlg_param);
 void print__dlg_sys_params_st(struct display_mode_lib *mode_lib, const struct _vcs_dpi_display_dlg_sys_params_st *dlg_sys_param);
 
 void print__data_rq_regs_st(struct display_mode_lib *mode_lib, const struct _vcs_dpi_display_data_rq_regs_st *rq_regs);
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4.c
index 3664980d1574..bb863c8c6b39 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4.c
@@ -44,7 +44,7 @@ struct dml2_core_ip_params core_dcn4_ip_caps_base = {
 	.dppclk_delay_scl_lb_only = 16,
 	.dppclk_delay_cnvc_formatter = 28,
 	.dppclk_delay_cnvc_cursor = 6,
-	.cursor_buffer_size = 42,
+	.cursor_buffer_size = 24,
 	.cursor_chunk_size = 2,
 	.dispclk_delay_subtotal = 125,
 	.max_inter_dcn_tile_repeaters = 8,
@@ -141,9 +141,8 @@ bool core_dcn4_initialize(struct dml2_core_initialize_in_out *in_out)
 		core->clean_me_up.mode_lib.ip.subvp_fw_processing_delay_us = core_dcn4_ip_caps_base.subvp_pstate_allow_width_us;
 		core->clean_me_up.mode_lib.ip.subvp_swath_height_margin_lines = core_dcn4_ip_caps_base.subvp_swath_height_margin_lines;
 	} else {
-			memcpy(&core->clean_me_up.mode_lib.ip, &core_dcn4_ip_caps_base, sizeof(struct dml2_core_ip_params));
+		memcpy(&core->clean_me_up.mode_lib.ip, &core_dcn4_ip_caps_base, sizeof(struct dml2_core_ip_params));
 		patch_ip_params_with_ip_caps(&core->clean_me_up.mode_lib.ip, in_out->ip_caps);
-
 		core->clean_me_up.mode_lib.ip.imall_supported = false;
 	}
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
index 78c93a502518..4c33d99ca7e8 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
@@ -5058,7 +5058,7 @@ static void CalculateExtraLatency(
 	double HostVMInefficiencyFactorPrefetch,
 	unsigned int HostVMMinPageSize,
 	enum dml2_qos_param_type qos_type,
-	bool max_oustanding_when_urgent_expected,
+	bool max_outstanding_when_urgent_expected,
 	unsigned int max_outstanding_requests,
 	unsigned int request_size_bytes_luma[],
 	unsigned int request_size_bytes_chroma[],
@@ -5106,7 +5106,7 @@ static void CalculateExtraLatency(
 	if (qos_type == dml2_qos_param_type_dcn4x) {
 		*ExtraLatency_sr = dchub_arb_to_ret_delay / DCFCLK;
 		*ExtraLatency = *ExtraLatency_sr;
-		if (max_oustanding_when_urgent_expected)
+		if (max_outstanding_when_urgent_expected)
 			*ExtraLatency = *ExtraLatency + (ROBBufferSizeInKByte * 1024 - max_outstanding_requests * max_request_size_bytes) / ReturnBW;
 	} else {
 		*ExtraLatency_sr = dchub_arb_to_ret_delay / DCFCLK + RoundTripPingLatencyCycles / FabricClock + ReorderingBytes / ReturnBW;
@@ -5121,7 +5121,7 @@ static void CalculateExtraLatency(
 	dml2_printf("DML::%s: qos_type=%u\n", __func__, qos_type);
 	dml2_printf("DML::%s: hostvm_mode=%u\n", __func__, hostvm_mode);
 	dml2_printf("DML::%s: Tex_trips=%u\n", __func__, Tex_trips);
-	dml2_printf("DML::%s: max_oustanding_when_urgent_expected=%u\n", __func__, max_oustanding_when_urgent_expected);
+	dml2_printf("DML::%s: max_outstanding_when_urgent_expected=%u\n", __func__, max_outstanding_when_urgent_expected);
 	dml2_printf("DML::%s: FabricClock=%f\n", __func__, FabricClock);
 	dml2_printf("DML::%s: DCFCLK=%f\n", __func__, DCFCLK);
 	dml2_printf("DML::%s: ReturnBW=%f\n", __func__, ReturnBW);
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared_types.h b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared_types.h
index dfe54112a9c6..4e502f0a6d20 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared_types.h
@@ -1571,7 +1571,7 @@ struct dml2_core_calcs_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport_param
 	unsigned int *DSTYAfterScaler;
 	bool UnboundedRequestEnabled;
 	unsigned int CompressedBufferSizeInkByte;
-	bool max_oustanding_when_urgent_expected;
+	bool max_outstanding_when_urgent_expected;
 	unsigned int max_outstanding_requests;
 	unsigned int max_request_size_bytes;
 	unsigned int *meta_row_height_l;
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
index 1ed21c1b86a5..a966abd40788 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
@@ -532,26 +532,6 @@ static void calculate_odm_slices(const struct dc_stream_state *stream, unsigned
 	odm_slice_end_x[odm_factor - 1] = stream->src.width - 1;
 }
 
-static bool is_plane_in_odm_slice(const struct dc_plane_state *plane, unsigned int slice_index, unsigned int *odm_slice_end_x, unsigned int num_slices)
-{
-	unsigned int slice_start_x, slice_end_x;
-
-	if (slice_index == 0)
-		slice_start_x = 0;
-	else
-		slice_start_x = odm_slice_end_x[slice_index - 1] + 1;
-
-	slice_end_x = odm_slice_end_x[slice_index];
-
-	if (plane->clip_rect.x + plane->clip_rect.width < slice_start_x)
-		return false;
-
-	if (plane->clip_rect.x > slice_end_x)
-		return false;
-
-	return true;
-}
-
 static void add_odm_slice_to_odm_tree(struct dml2_context *ctx,
 		struct dc_state *state,
 		struct dc_pipe_mapping_scratch *scratch,
@@ -791,12 +771,6 @@ static void map_pipes_for_plane(struct dml2_context *ctx, struct dc_state *state
 	sort_pipes_for_splitting(&scratch->pipe_pool);
 
 	for (odm_slice_index = 0; odm_slice_index < scratch->odm_info.odm_factor; odm_slice_index++) {
-		// We build the tree for one ODM slice at a time.
-		// Each ODM slice shares a common OPP
-		if (!is_plane_in_odm_slice(plane, odm_slice_index, scratch->odm_info.odm_slice_end_x, scratch->odm_info.odm_factor)) {
-			continue;
-		}
-
 		// Now we have a list of all pipes to be used for this plane/stream, now setup the tree.
 		scratch->odm_info.next_higher_pipe_for_odm_slice[odm_slice_index] = add_plane_to_blend_tree(ctx, state,
 				plane,
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
index f829d5ac7c8e..2061d43b92e1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
@@ -557,6 +557,7 @@ void dml2_init_soc_states(struct dml2_context *dml2, const struct dc *in_dc,
 	}
 
 	if (dml2->v20.dml_core_ctx.project == dml_project_dcn35 ||
+	    dml2->v20.dml_core_ctx.project == dml_project_dcn36 ||
 	    dml2->v20.dml_core_ctx.project == dml_project_dcn351) {
 		int max_dcfclk_mhz = 0, max_dispclk_mhz = 0, max_dppclk_mhz = 0, max_phyclk_mhz = 0,
 			max_dtbclk_mhz = 0, max_fclk_mhz = 0, max_uclk_mhz = 0, max_socclk_mhz = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
index 45584e2f5dfe..939ee0708bd2 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
@@ -33,7 +33,6 @@
 #include "dml2_dc_resource_mgmt.h"
 #include "dml21_wrapper.h"
 
-
 static void initialize_dml2_ip_params(struct dml2_context *dml2, const struct dc *in_dc, struct ip_params_st *out)
 {
 	if (dml2->config.use_native_soc_bb_construction)
@@ -792,7 +791,7 @@ bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options
 	// TODO : Temporarily add DCN_VERSION_3_2 for N-1 validation. Remove DCN_VERSION_3_2 after N-1 validation phase is complete.
 	if ((in_dc->debug.using_dml21)
 			&& (in_dc->ctx->dce_version == DCN_VERSION_4_01
-				))
+		))
 		return dml21_create(in_dc, dml2, config);
 
 	// Allocate Mode Lib Ctx
diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c
index 40acebd13e46..abf439e743f2 100644
--- a/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn30/dcn30_dpp.c
@@ -425,11 +425,6 @@ bool dpp3_get_optimal_number_of_taps(
 	int min_taps_y, min_taps_c;
 	enum lb_memory_config lb_config;
 
-	if (scl_data->viewport.width > scl_data->h_active &&
-		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
-		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
-		return false;
-
 	/*
 	 * Set default taps if none are provided
 	 * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling
@@ -467,6 +462,12 @@ bool dpp3_get_optimal_number_of_taps(
 	else
 		scl_data->taps.h_taps_c = in_taps->h_taps_c;
 
+	// Avoid null data in the scl data with this early return, proceed non-adaptive calcualtion first
+	if (scl_data->viewport.width > scl_data->h_active &&
+		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
+		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
+		return false;
+
 	/*Ensure we can support the requested number of vtaps*/
 	min_taps_y = dc_fixpt_ceil(scl_data->ratios.vert);
 	min_taps_c = dc_fixpt_ceil(scl_data->ratios.vert_c);
diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp.h b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp.h
index 4bc85aaf17da..ecaa976e1f52 100644
--- a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp.h
+++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp.h
@@ -567,80 +567,82 @@
 	type ISHARP_NLDELTA_SCLIP_PIVOT_N;	\
 	type ISHARP_NLDELTA_SCLIP_SLOPE_N
 
+#define DPP_REG_VARIABLE_LIST_DCN401 \
+	DPP_DCN3_REG_VARIABLE_LIST_COMMON; \
+	uint32_t CURSOR0_FP_SCALE_BIAS_G_Y; \
+	uint32_t CURSOR0_FP_SCALE_BIAS_RB_CRCB; \
+	uint32_t CUR0_MATRIX_MODE; \
+	uint32_t CUR0_MATRIX_C11_C12_A; \
+	uint32_t CUR0_MATRIX_C13_C14_A; \
+	uint32_t CUR0_MATRIX_C21_C22_A; \
+	uint32_t CUR0_MATRIX_C23_C24_A; \
+	uint32_t CUR0_MATRIX_C31_C32_A; \
+	uint32_t CUR0_MATRIX_C33_C34_A; \
+	uint32_t CUR0_MATRIX_C11_C12_B; \
+	uint32_t CUR0_MATRIX_C13_C14_B; \
+	uint32_t CUR0_MATRIX_C21_C22_B; \
+	uint32_t CUR0_MATRIX_C23_C24_B; \
+	uint32_t CUR0_MATRIX_C31_C32_B; \
+	uint32_t CUR0_MATRIX_C33_C34_B; \
+	uint32_t DSCL_SC_MODE; \
+	uint32_t DSCL_EASF_H_MODE; \
+	uint32_t DSCL_EASF_H_BF_CNTL; \
+	uint32_t DSCL_EASF_H_RINGEST_EVENTAP_REDUCE; \
+	uint32_t DSCL_EASF_H_RINGEST_EVENTAP_GAIN; \
+	uint32_t DSCL_EASF_H_BF_FINAL_MAX_MIN; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG0; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG1; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG2; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG3; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG4; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG5; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG6; \
+	uint32_t DSCL_EASF_H_BF1_PWL_SEG7; \
+	uint32_t DSCL_EASF_H_BF3_PWL_SEG0; \
+	uint32_t DSCL_EASF_H_BF3_PWL_SEG1; \
+	uint32_t DSCL_EASF_H_BF3_PWL_SEG2; \
+	uint32_t DSCL_EASF_H_BF3_PWL_SEG3; \
+	uint32_t DSCL_EASF_H_BF3_PWL_SEG4; \
+	uint32_t DSCL_EASF_H_BF3_PWL_SEG5; \
+	uint32_t DSCL_EASF_V_MODE; \
+	uint32_t DSCL_EASF_V_BF_CNTL; \
+	uint32_t DSCL_EASF_V_RINGEST_3TAP_CNTL1; \
+	uint32_t DSCL_EASF_V_RINGEST_3TAP_CNTL2; \
+	uint32_t DSCL_EASF_V_RINGEST_3TAP_CNTL3; \
+	uint32_t DSCL_EASF_V_RINGEST_EVENTAP_REDUCE; \
+	uint32_t DSCL_EASF_V_RINGEST_EVENTAP_GAIN; \
+	uint32_t DSCL_EASF_V_BF_FINAL_MAX_MIN; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG0; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG1; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG2; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG3; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG4; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG5; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG6; \
+	uint32_t DSCL_EASF_V_BF1_PWL_SEG7; \
+	uint32_t DSCL_EASF_V_BF3_PWL_SEG0; \
+	uint32_t DSCL_EASF_V_BF3_PWL_SEG1; \
+	uint32_t DSCL_EASF_V_BF3_PWL_SEG2; \
+	uint32_t DSCL_EASF_V_BF3_PWL_SEG3; \
+	uint32_t DSCL_EASF_V_BF3_PWL_SEG4; \
+	uint32_t DSCL_EASF_V_BF3_PWL_SEG5; \
+	uint32_t DSCL_SC_MATRIX_C0C1; \
+	uint32_t DSCL_SC_MATRIX_C2C3; \
+	uint32_t ISHARP_MODE; \
+	uint32_t ISHARP_NOISEDET_THRESHOLD; \
+	uint32_t ISHARP_NOISE_GAIN_PWL; \
+	uint32_t ISHARP_LBA_PWL_SEG0; \
+	uint32_t ISHARP_LBA_PWL_SEG1; \
+	uint32_t ISHARP_LBA_PWL_SEG2; \
+	uint32_t ISHARP_LBA_PWL_SEG3; \
+	uint32_t ISHARP_LBA_PWL_SEG4; \
+	uint32_t ISHARP_LBA_PWL_SEG5; \
+	uint32_t ISHARP_DELTA_CTRL; \
+	uint32_t ISHARP_DELTA_DATA; \
+	uint32_t ISHARP_DELTA_INDEX; \
+	uint32_t ISHARP_NLDELTA_SOFT_CLIP
 struct dcn401_dpp_registers {
-	DPP_DCN3_REG_VARIABLE_LIST_COMMON;
-	uint32_t CURSOR0_FP_SCALE_BIAS_G_Y;
-	uint32_t CURSOR0_FP_SCALE_BIAS_RB_CRCB;
-	uint32_t CUR0_MATRIX_MODE;
-	uint32_t CUR0_MATRIX_C11_C12_A;
-	uint32_t CUR0_MATRIX_C13_C14_A;
-	uint32_t CUR0_MATRIX_C21_C22_A;
-	uint32_t CUR0_MATRIX_C23_C24_A;
-	uint32_t CUR0_MATRIX_C31_C32_A;
-	uint32_t CUR0_MATRIX_C33_C34_A;
-	uint32_t CUR0_MATRIX_C11_C12_B;
-	uint32_t CUR0_MATRIX_C13_C14_B;
-	uint32_t CUR0_MATRIX_C21_C22_B;
-	uint32_t CUR0_MATRIX_C23_C24_B;
-	uint32_t CUR0_MATRIX_C31_C32_B;
-	uint32_t CUR0_MATRIX_C33_C34_B;
-	uint32_t DSCL_SC_MODE;
-	uint32_t DSCL_EASF_H_MODE;
-	uint32_t DSCL_EASF_H_BF_CNTL;
-	uint32_t DSCL_EASF_H_RINGEST_EVENTAP_REDUCE;
-	uint32_t DSCL_EASF_H_RINGEST_EVENTAP_GAIN;
-	uint32_t DSCL_EASF_H_BF_FINAL_MAX_MIN;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG0;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG1;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG2;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG3;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG4;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG5;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG6;
-	uint32_t DSCL_EASF_H_BF1_PWL_SEG7;
-	uint32_t DSCL_EASF_H_BF3_PWL_SEG0;
-	uint32_t DSCL_EASF_H_BF3_PWL_SEG1;
-	uint32_t DSCL_EASF_H_BF3_PWL_SEG2;
-	uint32_t DSCL_EASF_H_BF3_PWL_SEG3;
-	uint32_t DSCL_EASF_H_BF3_PWL_SEG4;
-	uint32_t DSCL_EASF_H_BF3_PWL_SEG5;
-	uint32_t DSCL_EASF_V_MODE;
-	uint32_t DSCL_EASF_V_BF_CNTL;
-	uint32_t DSCL_EASF_V_RINGEST_3TAP_CNTL1;
-	uint32_t DSCL_EASF_V_RINGEST_3TAP_CNTL2;
-	uint32_t DSCL_EASF_V_RINGEST_3TAP_CNTL3;
-	uint32_t DSCL_EASF_V_RINGEST_EVENTAP_REDUCE;
-	uint32_t DSCL_EASF_V_RINGEST_EVENTAP_GAIN;
-	uint32_t DSCL_EASF_V_BF_FINAL_MAX_MIN;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG0;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG1;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG2;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG3;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG4;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG5;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG6;
-	uint32_t DSCL_EASF_V_BF1_PWL_SEG7;
-	uint32_t DSCL_EASF_V_BF3_PWL_SEG0;
-	uint32_t DSCL_EASF_V_BF3_PWL_SEG1;
-	uint32_t DSCL_EASF_V_BF3_PWL_SEG2;
-	uint32_t DSCL_EASF_V_BF3_PWL_SEG3;
-	uint32_t DSCL_EASF_V_BF3_PWL_SEG4;
-	uint32_t DSCL_EASF_V_BF3_PWL_SEG5;
-	uint32_t DSCL_SC_MATRIX_C0C1;
-	uint32_t DSCL_SC_MATRIX_C2C3;
-	uint32_t ISHARP_MODE;
-	uint32_t ISHARP_NOISEDET_THRESHOLD;
-	uint32_t ISHARP_NOISE_GAIN_PWL;
-	uint32_t ISHARP_LBA_PWL_SEG0;
-	uint32_t ISHARP_LBA_PWL_SEG1;
-	uint32_t ISHARP_LBA_PWL_SEG2;
-	uint32_t ISHARP_LBA_PWL_SEG3;
-	uint32_t ISHARP_LBA_PWL_SEG4;
-	uint32_t ISHARP_LBA_PWL_SEG5;
-	uint32_t ISHARP_DELTA_CTRL;
-	uint32_t ISHARP_DELTA_DATA;
-	uint32_t ISHARP_DELTA_INDEX;
-	uint32_t ISHARP_NLDELTA_SOFT_CLIP;
+	DPP_REG_VARIABLE_LIST_DCN401;
 };
 
 struct dcn401_dpp_shift {
diff --git a/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.c b/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.c
index 03b4ac2f1991..0d2ae21abbdd 100644
--- a/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.c
@@ -262,7 +262,7 @@ void dcn31_hpo_dp_link_enc_set_link_test_pattern(
 	}
 }
 
-static void fill_stream_allocation_row_info(
+void dcn31_fill_stream_allocation_row_info(
 		const struct link_mst_stream_allocation *stream_allocation,
 		uint32_t *src,
 		uint32_t *slots)
@@ -296,7 +296,7 @@ void dcn31_hpo_dp_link_enc_update_stream_allocation_table(
 	/* we should clean-up table each time */
 
 	if (table->stream_count >= 1) {
-		fill_stream_allocation_row_info(
+		dcn31_fill_stream_allocation_row_info(
 			&table->stream_allocations[0],
 			&src,
 			&slots);
@@ -310,7 +310,7 @@ void dcn31_hpo_dp_link_enc_update_stream_allocation_table(
 			SAT_SLOT_COUNT, slots);
 
 	if (table->stream_count >= 2) {
-		fill_stream_allocation_row_info(
+		dcn31_fill_stream_allocation_row_info(
 			&table->stream_allocations[1],
 			&src,
 			&slots);
@@ -324,7 +324,7 @@ void dcn31_hpo_dp_link_enc_update_stream_allocation_table(
 			SAT_SLOT_COUNT, slots);
 
 	if (table->stream_count >= 3) {
-		fill_stream_allocation_row_info(
+		dcn31_fill_stream_allocation_row_info(
 			&table->stream_allocations[2],
 			&src,
 			&slots);
@@ -338,7 +338,7 @@ void dcn31_hpo_dp_link_enc_update_stream_allocation_table(
 			SAT_SLOT_COUNT, slots);
 
 	if (table->stream_count >= 4) {
-		fill_stream_allocation_row_info(
+		dcn31_fill_stream_allocation_row_info(
 			&table->stream_allocations[3],
 			&src,
 			&slots);
diff --git a/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.h b/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.h
index 51f5781325e8..40859660e4dc 100644
--- a/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/hpo/dcn31/dcn31_hpo_dp_link_encoder.h
@@ -226,4 +226,10 @@ void dcn31_hpo_dp_link_enc_set_ffe(
 	const struct dc_link_settings *link_settings,
 	uint8_t ffe_preset);
 
+
+void dcn31_fill_stream_allocation_row_info(
+		const struct link_mst_stream_allocation *stream_allocation,
+		uint32_t *src,
+		uint32_t *slots);
+
 #endif   // __DAL_DCN31_HPO_LINK_ENCODER_H__
diff --git a/drivers/gpu/drm/amd/display/dc/hpo/dcn32/dcn32_hpo_dp_link_encoder.h b/drivers/gpu/drm/amd/display/dc/hpo/dcn32/dcn32_hpo_dp_link_encoder.h
index 48ef3d29b370..bea4e1a8ff90 100644
--- a/drivers/gpu/drm/amd/display/dc/hpo/dcn32/dcn32_hpo_dp_link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/hpo/dcn32/dcn32_hpo_dp_link_encoder.h
@@ -62,4 +62,7 @@ void hpo_dp_link_encoder32_construct(struct dcn31_hpo_dp_link_encoder *enc31,
 	const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift,
 	const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask);
 
+bool dcn32_hpo_dp_link_enc_is_in_alt_mode(
+		struct hpo_dp_link_encoder *enc);
+
 #endif   // __DAL_DCN32_HPO_DP_LINK_ENCODER_H__
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h
index 09049aa3c4f3..f66a38f43a09 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h
@@ -1244,6 +1244,7 @@ struct dce_hwseq_registers {
 	type DOMAIN24_PGFSM_PWR_STATUS; \
 	type DOMAIN25_PGFSM_PWR_STATUS; \
 	type DOMAIN_DESIRED_PWR_STATE;
+
 struct dce_hwseq_shift {
 	HWSEQ_REG_FIELD_LIST(uint8_t)
 	HWSEQ_DCN_REG_FIELD_LIST(uint8_t)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
index 8280e3652171..9c9947fc5d44 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
@@ -1153,9 +1153,12 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
 	struct dtbclk_dto_params dto_params = {0};
 	int dp_hpo_inst;
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
 
+	if (!dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+
 	if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) {
 		pipe_ctx->stream_res.stream_enc->funcs->stop_hdmi_info_packets(
 			pipe_ctx->stream_res.stream_enc);
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
index b158eb1045a1..a5a3e0823e21 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
@@ -3020,9 +3020,12 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
 	enum phyd32clk_clock_source phyd32clk;
 	int dp_hpo_inst;
 
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
 
+	if (!dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+
 	if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {
 		dto_params.otg_inst = tg->inst;
 		dto_params.pixclk_khz = pipe_ctx->stream->timing.pix_clk_100hz / 10;
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c
index f698062f1e90..288e9dd9205d 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c
@@ -621,7 +621,8 @@ void dcn31_reset_hw_ctx_wrap(
 	}
 
 	/* New dc_state in the process of being applied to hardware. */
-	link_enc_cfg_set_transient_mode(dc, dc->current_state, context);
+	if (!dc->config.unify_link_enc_assignment)
+		link_enc_cfg_set_transient_mode(dc, dc->current_state, context);
 }
 
 void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index c4a37a95e812..39668d8cc13a 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -927,9 +927,12 @@ void dcn401_enable_stream(struct pipe_ctx *pipe_ctx)
 	int dp_hpo_inst = 0;
 	unsigned int tmds_div = PIXEL_RATE_DIV_NA;
 	unsigned int unused_div = PIXEL_RATE_DIV_NA;
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
 
+	if (!dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+
 	dcn401_enable_stream_calc(pipe_ctx, &dp_hpo_inst, &phyd32clk,
 				&tmds_div, &early_control);
 
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
index 599fa41fd75f..2b1a2a00648a 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
@@ -517,6 +517,11 @@ void get_cursor_visual_confirm_color(
 		struct pipe_ctx *pipe_ctx,
 		struct tg_color *color);
 
+void get_dcc_visual_confirm_color(
+	struct dc *dc,
+	struct pipe_ctx *pipe_ctx,
+	struct tg_color *color);
+
 void set_p_state_switch_method(
 		struct dc *dc,
 		struct dc_state *context,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h
index 042e04f924a2..9458187b834d 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/resource.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h
@@ -647,4 +647,9 @@ void resource_init_common_dml2_callbacks(struct dc *dc, struct dml2_configuratio
 int resource_calculate_det_for_stream(struct dc_state *state, struct pipe_ctx *otg_master);
 
 bool resource_is_hpo_acquired(struct dc_state *context);
+
+struct link_encoder *get_temp_dio_link_enc(
+		const struct resource_context *res_ctx,
+		const struct resource_pool *const pool,
+		const struct dc_link *link);
 #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_RESOURCE_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
index 06faa461067b..b68bcc9fca0a 100644
--- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
+++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
@@ -48,9 +48,16 @@ void set_dio_throttled_vcp_size(struct pipe_ctx *pipe_ctx,
 
 void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
 
+	if (!pipe_ctx->stream->ctx->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	if (!link_enc) {
+		ASSERT(link_enc);
+		return;
+	}
+
 	link_enc->funcs->connect_dig_be_to_fe(link_enc,
 			pipe_ctx->stream_res.stream_enc->id, true);
 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
@@ -71,9 +78,16 @@ void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
 
 void reset_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
 
+	if (!pipe_ctx->stream->ctx->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	if (!link_enc) {
+		ASSERT(link_enc);
+		return;
+	}
+
 	if (!stream_enc)
 		return;
 
@@ -142,7 +156,14 @@ void enable_dio_dp_link_output(struct dc_link *link,
 		enum clock_source_id clock_source,
 		const struct dc_link_settings *link_settings)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link_enc) {
+		ASSERT(link_enc);
+		return;
+	}
 
 	if (dc_is_dp_sst_signal(signal))
 		link_enc->funcs->enable_dp_output(
@@ -162,11 +183,16 @@ void disable_dio_link_output(struct dc_link *link,
 		const struct link_resource *link_res,
 		enum signal_type signal)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
 
-	if (link_enc != NULL)
-		link_enc->funcs->disable_output(link_enc, signal);
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link_enc) {
+		ASSERT(link_enc);
+		return;
+	}
 
+	link_enc->funcs->disable_output(link_enc, signal);
 	link->dc->link_srv->dp_trace_source_sequence(link,
 			DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
 }
@@ -175,7 +201,14 @@ void set_dio_dp_link_test_pattern(struct dc_link *link,
 		const struct link_resource *link_res,
 		struct encoder_set_dp_phy_pattern_param *tp_params)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link_enc) {
+		ASSERT(link_enc);
+		return;
+	}
 
 	link_enc->funcs->dp_set_phy_pattern(link_enc, tp_params);
 	link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
@@ -186,7 +219,14 @@ void set_dio_dp_lane_settings(struct dc_link *link,
 		const struct dc_link_settings *link_settings,
 		const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link_enc) {
+		ASSERT(link_enc);
+		return;
+	}
 
 	link_enc->funcs->dp_set_lane_settings(link_enc, link_settings, lane_settings);
 }
@@ -195,9 +235,15 @@ void update_dio_stream_allocation_table(struct dc_link *link,
 		const struct link_resource *link_res,
 		const struct link_mst_stream_allocation_table *table)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link_enc) {
+		ASSERT(link_enc);
+		return;
+	}
 
-	ASSERT(link_enc);
 	link_enc->funcs->update_mst_stream_allocation_table(link_enc, table);
 }
 
@@ -282,7 +328,10 @@ static const struct link_hwss dio_link_hwss = {
 bool can_use_dio_link_hwss(const struct dc_link *link,
 		const struct link_resource *link_res)
 {
-	return link->link_enc != NULL;
+	if (!link->dc->config.unify_link_enc_assignment)
+		return link->link_enc != NULL;
+	else
+		return link_res->dio_link_enc != NULL;
 }
 
 /**
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio_fixed_vs_pe_retimer.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio_fixed_vs_pe_retimer.c
index a6d1d7641ab4..e1dff4e3f446 100644
--- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio_fixed_vs_pe_retimer.c
+++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio_fixed_vs_pe_retimer.c
@@ -127,7 +127,10 @@ static void set_dio_fixed_vs_pe_retimer_dp_link_test_pattern(struct dc_link *lin
 		const struct link_resource *link_res,
 		struct encoder_set_dp_phy_pattern_param *tp_params)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 
 	if (!set_dio_fixed_vs_pe_retimer_dp_link_test_pattern_override(
 			link, link_res, tp_params, get_dio_link_hwss())) {
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c
index 36adf95744fe..81bf3c5e1fdf 100644
--- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c
+++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dpia.c
@@ -35,12 +35,15 @@ static void update_dpia_stream_allocation_table(struct dc_link *link,
 		const struct link_resource *link_res,
 		const struct link_mst_stream_allocation_table *table)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
 	static enum dc_status status;
 	uint8_t mst_alloc_slots = 0, prev_mst_slots_in_use = 0xFF;
 	int i;
 	DC_LOGGER_INIT(link->ctx->logger);
 
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+
 	for (i = 0; i < table->stream_count; i++)
 		mst_alloc_slots += table->stream_allocations[i].slot_count;
 
@@ -61,7 +64,10 @@ static void set_dio_dpia_link_test_pattern(struct dc_link *link,
 	if (tp_params->dp_phy_pattern != DP_TEST_PATTERN_VIDEO_MODE)
 		return;
 
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 
 	if (!link_enc)
 		return;
@@ -83,31 +89,28 @@ static void enable_dpia_link_output(struct dc_link *link,
 		enum clock_source_id clock_source,
 		const struct dc_link_settings *link_settings)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 
 	if (link_enc != NULL) {
-		if (link->dc->config.enable_dpia_pre_training && link_enc->funcs->enable_dpia_output) {
+		if (link->dc->config.enable_dpia_pre_training || link->dc->config.unify_link_enc_assignment) {
 			uint8_t fec_rdy = link->dc->link_srv->dp_should_enable_fec(link);
 			uint8_t digmode = dc_is_dp_sst_signal(signal) ? DIG_SST_MODE : DIG_MST_MODE;
 
-			link_enc->funcs->enable_dpia_output(
-					link_enc,
-					link_settings,
-					link->ddc_hw_inst,
-					digmode,
-					fec_rdy);
-		} else {
-			if (dc_is_dp_sst_signal(signal))
-				link_enc->funcs->enable_dp_output(
+			if (link_enc->funcs->enable_dpia_output)
+				link_enc->funcs->enable_dpia_output(
 						link_enc,
 						link_settings,
-						clock_source);
+						link->ddc_hw_inst,
+						digmode,
+						fec_rdy);
 			else
-				link_enc->funcs->enable_dp_mst_output(
-						link_enc,
-						link_settings,
-						clock_source);
-		}
+				DC_LOG_ERROR("%s: link encoder does not support enable_dpia_output\n", __func__);
+		} else
+			enable_dio_dp_link_output(link, link_res, signal, clock_source, link_settings);
 
 	}
 
@@ -119,13 +122,20 @@ static void disable_dpia_link_output(struct dc_link *link,
 		const struct link_resource *link_res,
 		enum signal_type signal)
 {
-	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
+	struct link_encoder *link_enc = link_res->dio_link_enc;
+	DC_LOGGER_INIT(link->ctx->logger);
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 
 	if (link_enc != NULL) {
-		if (link->dc->config.enable_dpia_pre_training && link_enc->funcs->disable_dpia_output) {
+		if (link->dc->config.enable_dpia_pre_training || link->dc->config.unify_link_enc_assignment) {
 			uint8_t digmode = dc_is_dp_sst_signal(signal) ? DIG_SST_MODE : DIG_MST_MODE;
 
-			link_enc->funcs->disable_dpia_output(link_enc, link->ddc_hw_inst, digmode);
+			if (link_enc->funcs->disable_dpia_output)
+				link_enc->funcs->disable_dpia_output(link_enc, link->ddc_hw_inst, digmode);
+			else
+				DC_LOG_ERROR("%s: link encoder does not support disable_dpia_output\n", __func__);
 		} else
 			link_enc->funcs->disable_output(link_enc, signal);
 	}
@@ -154,8 +164,10 @@ static const struct link_hwss dpia_link_hwss = {
 bool can_use_dpia_link_hwss(const struct dc_link *link,
 		const struct link_resource *link_res)
 {
-	return link->is_dig_mapping_flexible &&
-			link->dc->res_pool->funcs->link_encs_assign;
+	if (!link->dc->config.unify_link_enc_assignment)
+		return link->is_dig_mapping_flexible && link->dc->res_pool->funcs->link_encs_assign;
+	else
+		return link->is_dig_mapping_flexible && link_res->dio_link_enc != NULL;
 }
 
 const struct link_hwss *get_dpia_link_hwss(void)
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
index 550e1a098fa2..cc9191a5c9e6 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
@@ -816,7 +816,10 @@ static bool should_verify_link_capability_destructively(struct dc_link *link,
 {
 	bool destrictive = false;
 	struct dc_link_settings max_link_cap;
-	bool is_link_enc_unavailable = link->link_enc &&
+	bool is_link_enc_unavailable = false;
+
+	if (!link->dc->config.unify_link_enc_assignment)
+		is_link_enc_unavailable = link->link_enc &&
 			link->dc->res_pool->funcs->link_encs_assign &&
 			!link_enc_cfg_is_link_enc_avail(
 					link->ctx->dc,
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
index ec7de9c01fab..321fd1785370 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
@@ -652,15 +652,15 @@ static void write_i2c_redriver_setting(
 static void update_psp_stream_config(struct pipe_ctx *pipe_ctx, bool dpms_off)
 {
 	struct cp_psp *cp_psp = &pipe_ctx->stream->ctx->cp_psp;
-	struct link_encoder *link_enc = NULL;
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct cp_psp_stream_config config = {0};
 	enum dp_panel_mode panel_mode =
 			dp_get_panel_mode(pipe_ctx->stream->link);
 
 	if (cp_psp == NULL || cp_psp->funcs.update_stream_config == NULL)
 		return;
-
-	link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+	if (!pipe_ctx->stream->ctx->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
 	ASSERT(link_enc);
 	if (link_enc == NULL)
 		return;
@@ -1924,7 +1924,7 @@ static void disable_link_dp(struct dc_link *link,
 
 	if (link_dp_get_encoding_format(&link_settings) ==
 			DP_8b_10b_ENCODING) {
-		dp_set_fec_enable(link, false);
+		dp_set_fec_enable(link, link_res, false);
 		dp_set_fec_ready(link, link_res, false);
 	}
 }
@@ -2122,7 +2122,7 @@ static enum dc_status enable_link_dp(struct dc_state *state,
 		fec_enable = true;
 
 	if (link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING)
-		dp_set_fec_enable(link, fec_enable);
+		dp_set_fec_enable(link, &pipe_ctx->link_res, fec_enable);
 
 	// during mode set we do DP_SET_POWER off then on, aux writes are lost
 	if (link->dpcd_sink_ext_caps.bits.oled == 1 ||
@@ -2461,7 +2461,7 @@ void link_set_dpms_on(
 	struct dc_stream_state *stream = pipe_ctx->stream;
 	struct dc_link *link = stream->sink->link;
 	enum dc_status status;
-	struct link_encoder *link_enc;
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO;
 	struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
 	const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
@@ -2486,7 +2486,8 @@ void link_set_dpms_on(
 		}
 	}
 
-	link_enc = link_enc_cfg_get_link_enc(link);
+	if (!dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 	ASSERT(link_enc);
 
 	if (!dc_is_virtual_signal(pipe_ctx->stream->signal)
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index e3e7fcb07f19..a77410122636 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -250,21 +250,21 @@ static uint32_t intersect_frl_link_bw_support(
 {
 	uint32_t supported_bw_in_kbps = max_supported_frl_bw_in_kbps;
 
-	// HDMI_ENCODED_LINK_BW bits are only valid if HDMI Link Configuration bit is 1 (FRL mode)
-	if (hdmi_encoded_link_bw.bits.FRL_MODE) {
-		if (hdmi_encoded_link_bw.bits.BW_48Gbps)
-			supported_bw_in_kbps = 48000000;
-		else if (hdmi_encoded_link_bw.bits.BW_40Gbps)
-			supported_bw_in_kbps = 40000000;
-		else if (hdmi_encoded_link_bw.bits.BW_32Gbps)
-			supported_bw_in_kbps = 32000000;
-		else if (hdmi_encoded_link_bw.bits.BW_24Gbps)
-			supported_bw_in_kbps = 24000000;
-		else if (hdmi_encoded_link_bw.bits.BW_18Gbps)
-			supported_bw_in_kbps = 18000000;
-		else if (hdmi_encoded_link_bw.bits.BW_9Gbps)
-			supported_bw_in_kbps = 9000000;
-	}
+	/* Skip checking FRL_MODE bit, as certain PCON will clear
+	 * it despite supporting the link BW indicated in the other bits.
+	 */
+	if (hdmi_encoded_link_bw.bits.BW_48Gbps)
+		supported_bw_in_kbps = 48000000;
+	else if (hdmi_encoded_link_bw.bits.BW_40Gbps)
+		supported_bw_in_kbps = 40000000;
+	else if (hdmi_encoded_link_bw.bits.BW_32Gbps)
+		supported_bw_in_kbps = 32000000;
+	else if (hdmi_encoded_link_bw.bits.BW_24Gbps)
+		supported_bw_in_kbps = 24000000;
+	else if (hdmi_encoded_link_bw.bits.BW_18Gbps)
+		supported_bw_in_kbps = 18000000;
+	else if (hdmi_encoded_link_bw.bits.BW_9Gbps)
+		supported_bw_in_kbps = 9000000;
 
 	return supported_bw_in_kbps;
 }
@@ -330,9 +330,12 @@ bool dp_is_fec_supported(const struct dc_link *link)
 	/* TODO - use asic cap instead of link_enc->features
 	 * we no longer know which link enc to use for this link before commit
 	 */
-	struct link_encoder *link_enc = NULL;
+	struct resource_context *res_ctx = &link->dc->current_state->res_ctx;
+	struct resource_pool *res_pool = link->dc->res_pool;
+	struct link_encoder *link_enc = get_temp_dio_link_enc(res_ctx, res_pool, link);
 
-	link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 	ASSERT(link_enc);
 
 	return (dc_is_dp_signal(link->connector_signal) && link_enc &&
@@ -1572,10 +1575,18 @@ enum dc_status dp_retrieve_lttpr_cap(struct dc_link *link)
 	/* Attempt to train in LTTPR transparent mode if repeater count exceeds 8. */
 	is_lttpr_present = dp_is_lttpr_present(link);
 
-	if (is_lttpr_present)
+	DC_LOG_DC("is_lttpr_present = %d\n", is_lttpr_present);
+
+	if (is_lttpr_present) {
 		CONN_DATA_DETECT(link, lttpr_dpcd_data, sizeof(lttpr_dpcd_data), "LTTPR Caps: ");
 
-	DC_LOG_DC("is_lttpr_present = %d\n", is_lttpr_present);
+		core_link_read_dpcd(link, DP_LTTPR_IEEE_OUI, link->dpcd_caps.lttpr_caps.lttpr_ieee_oui, sizeof(link->dpcd_caps.lttpr_caps.lttpr_ieee_oui));
+		CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_ieee_oui, sizeof(link->dpcd_caps.lttpr_caps.lttpr_ieee_oui), "LTTPR IEEE OUI: ");
+
+		core_link_read_dpcd(link, DP_LTTPR_DEVICE_ID, link->dpcd_caps.lttpr_caps.lttpr_device_id, sizeof(link->dpcd_caps.lttpr_caps.lttpr_device_id));
+		CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_device_id, sizeof(link->dpcd_caps.lttpr_caps.lttpr_device_id), "LTTPR Device ID: ");
+	}
+
 	return status;
 }
 
@@ -2089,18 +2100,32 @@ void detect_edp_sink_caps(struct dc_link *link)
 		core_link_read_dpcd(link, DP_SINK_EMISSION_RATE,
 				(uint8_t *)&link->dpcd_caps.edp_oled_emission_rate,
 				sizeof(link->dpcd_caps.edp_oled_emission_rate));
+
+	/*
+	 * Read Multi-SST (Single Stream Transport) capability
+	 * for eDP version 1.4 or higher.
+	 */
+	if (link->dpcd_caps.dpcd_rev.raw >= DP_EDP_14)
+		core_link_read_dpcd(
+			link,
+			DP_EDP_MSO_LINK_CAPABILITIES,
+			(uint8_t *)&link->dpcd_caps.mso_cap_sst_links_supported,
+			sizeof(link->dpcd_caps.mso_cap_sst_links_supported));
 }
 
 bool dp_get_max_link_enc_cap(const struct dc_link *link, struct dc_link_settings *max_link_enc_cap)
 {
-	struct link_encoder *link_enc = NULL;
+	struct resource_context *res_ctx = &link->dc->current_state->res_ctx;
+	struct resource_pool *res_pool = link->dc->res_pool;
+	struct link_encoder *link_enc = get_temp_dio_link_enc(res_ctx, res_pool, link);
 
 	if (!max_link_enc_cap) {
 		DC_LOG_ERROR("%s: Could not return max link encoder caps", __func__);
 		return false;
 	}
 
-	link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 	ASSERT(link_enc);
 
 	if (link_enc && link_enc->funcs->get_max_link_cap) {
@@ -2128,10 +2153,13 @@ struct dc_link_settings dp_get_max_link_cap(struct dc_link *link)
 	struct dc_link_settings max_link_cap = {0};
 	enum dc_link_rate lttpr_max_link_rate;
 	enum dc_link_rate cable_max_link_rate;
-	struct link_encoder *link_enc = NULL;
+	struct resource_context *res_ctx = &link->dc->current_state->res_ctx;
+	struct resource_pool *res_pool = link->dc->res_pool;
+	struct link_encoder *link_enc = get_temp_dio_link_enc(res_ctx, res_pool, link);
 	bool is_uhbr13_5_supported = true;
 
-	link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 	ASSERT(link_enc);
 
 	/* get max link encoder capability */
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.h
index 8f0ce97f2362..0ce0af3ddbeb 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.h
@@ -67,6 +67,7 @@ bool dp_is_128b_132b_signal(struct pipe_ctx *pipe_ctx);
 /* Initialize output parameter lt_settings. */
 void dp_decide_training_settings(
 	struct dc_link *link,
+	const struct link_resource *link_res,
 	const struct dc_link_settings *link_setting,
 	struct link_training_settings *lt_settings);
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c
index 0f1c411523a2..a5541b8fc95b 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c
@@ -356,6 +356,32 @@ out:
 	return ret;
 }
 
+/*
+ * Handle DP BW allocation status register
+ *
+ * @link: pointer to the dc_link struct instance
+ * @status: content of DP tunneling status DPCD register
+ *
+ * return: none
+ */
+void link_dp_dpia_handle_bw_alloc_status(struct dc_link *link, uint8_t status)
+{
+	if (status & DP_TUNNELING_BW_REQUEST_SUCCEEDED) {
+		DC_LOG_DEBUG("%s: BW Allocation request succeeded on link(%d)",
+				__func__, link->link_index);
+	} else if (status & DP_TUNNELING_BW_REQUEST_FAILED) {
+		DC_LOG_DEBUG("%s: BW Allocation request failed on link(%d)  allocated/estimated BW=%d",
+				__func__, link->link_index, link->dpia_bw_alloc_config.estimated_bw);
+	} else if (status & DP_TUNNELING_ESTIMATED_BW_CHANGED) {
+		DC_LOG_DEBUG("%s: Estimated BW changed on link(%d)  new estimated BW=%d",
+				__func__, link->link_index, link->dpia_bw_alloc_config.estimated_bw);
+	}
+
+	core_link_write_dpcd(
+		link, DP_TUNNELING_STATUS,
+		&status, sizeof(status));
+}
+
 void dpia_handle_bw_alloc_response(struct dc_link *link, uint8_t bw, uint8_t result)
 {
 	int bw_needed = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
index 3b6d8494f9d5..1b240a2f6ce0 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
@@ -108,4 +108,14 @@ bool dpia_validate_usb4_bw(struct dc_link **link, int *bw_needed, const unsigned
  */
 int link_dp_dpia_get_dp_overhead_in_dp_tunneling(struct dc_link *link);
 
+/*
+ * Handle DP BW allocation status register
+ *
+ * @link: pointer to the dc_link struct instance
+ * @status: content of DP tunneling status register
+ *
+ * return: none
+ */
+void link_dp_dpia_handle_bw_alloc_status(struct dc_link *link, uint8_t status);
+
 #endif /* DC_INC_LINK_DP_DPIA_BW_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
index a08403c022ea..5be00e4ce10b 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
@@ -37,6 +37,7 @@
 #include "link/accessories/link_dp_trace.h"
 #include "link/link_dpms.h"
 #include "dm_helpers.h"
+#include "link_dp_dpia_bw.h"
 
 #define DC_LOGGER \
 	link->ctx->logger
@@ -286,6 +287,30 @@ void dp_handle_link_loss(struct dc_link *link)
 	}
 }
 
+static void dp_handle_tunneling_irq(struct dc_link *link)
+{
+	enum dc_status retval;
+	uint8_t tunneling_status = 0;
+
+	retval = core_link_read_dpcd(
+			link, DP_TUNNELING_STATUS,
+			&tunneling_status,
+			sizeof(tunneling_status));
+
+	if (retval == DC_OK) {
+		DC_LOG_HW_HPD_IRQ("%s: Got DP tunneling status on link %d status=0x%x",
+				__func__, link->link_index, tunneling_status);
+
+		if (tunneling_status & DP_TUNNELING_BW_ALLOC_BITS_MASK)
+			link_dp_dpia_handle_bw_alloc_status(link, tunneling_status);
+	}
+
+	tunneling_status = DP_TUNNELING_IRQ;
+	core_link_write_dpcd(
+		link, DP_LINK_SERVICE_IRQ_VECTOR_ESI0,
+		&tunneling_status, 1);
+}
+
 static void read_dpcd204h_on_irq_hpd(struct dc_link *link, union hpd_irq_data *irq_data)
 {
 	enum dc_status retval;
@@ -319,13 +344,19 @@ enum dc_status dp_read_hpd_rx_irq_data(
 	 *
 	 * For DP 1.4 we need to read those from 2002h range.
 	 */
-	if (link->dpcd_caps.dpcd_rev.raw < DPCD_REV_14)
+	if (link->dpcd_caps.dpcd_rev.raw < DPCD_REV_14) {
 		retval = core_link_read_dpcd(
 			link,
 			DP_SINK_COUNT,
 			irq_data->raw,
-			sizeof(union hpd_irq_data));
-	else {
+			DP_SINK_STATUS - DP_SINK_COUNT + 1);
+
+		if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) {
+			retval = core_link_read_dpcd(
+					link, DP_LINK_SERVICE_IRQ_VECTOR_ESI0,
+					&irq_data->bytes.link_service_irq_esi0.raw, 1);
+		}
+	} else {
 		/* Read 14 bytes in a single read and then copy only the required fields.
 		 * This is more efficient than doing it in two separate AUX reads. */
 
@@ -346,6 +377,7 @@ enum dc_status dp_read_hpd_rx_irq_data(
 		irq_data->bytes.lane23_status.raw = tmp[DP_LANE2_3_STATUS_ESI - DP_SINK_COUNT_ESI];
 		irq_data->bytes.lane_status_updated.raw = tmp[DP_LANE_ALIGN_STATUS_UPDATED_ESI - DP_SINK_COUNT_ESI];
 		irq_data->bytes.sink_status.raw = tmp[DP_SINK_STATUS_ESI - DP_SINK_COUNT_ESI];
+		irq_data->bytes.link_service_irq_esi0.raw = tmp[DP_LINK_SERVICE_IRQ_VECTOR_ESI0 - DP_SINK_COUNT_ESI];
 
 		/*
 		 * This display doesn't have correct values in DPCD200Eh.
@@ -488,6 +520,11 @@ bool dp_handle_hpd_rx_irq(struct dc_link *link,
 		dp_trace_link_loss_increment(link);
 	}
 
+	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) {
+		if (hpd_irq_dpcd_data.bytes.link_service_irq_esi0.bits.DP_LINK_TUNNELING_IRQ)
+			dp_handle_tunneling_irq(link);
+	}
+
 	if (link->type == dc_connection_sst_branch &&
 		hpd_irq_dpcd_data.bytes.sink_cnt.bits.SINK_COUNT
 			!= link->dpcd_sink_count)
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c
index c27ffec5d84f..49521ac4b0e8 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c
@@ -142,11 +142,12 @@ enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource
 	 * if the sink supports it and leave it enabled on link.
 	 * If FEC is not supported, disable it.
 	 */
-	struct link_encoder *link_enc = NULL;
+	struct link_encoder *link_enc = link_res->dio_link_enc;
 	enum dc_status status = DC_OK;
 	uint8_t fec_config = 0;
 
-	link_enc = link_enc_cfg_get_link_enc(link);
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 	ASSERT(link_enc);
 	if (link_enc->funcs->fec_set_ready == NULL)
 		return DC_NOT_SUPPORTED;
@@ -176,13 +177,14 @@ enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource
 	return status;
 }
 
-void dp_set_fec_enable(struct dc_link *link, bool enable)
+void dp_set_fec_enable(struct dc_link *link, const struct link_resource *link_res, bool enable)
 {
-	struct link_encoder *link_enc = NULL;
+	struct link_encoder *link_enc = link_res->dio_link_enc;
 
-	link_enc = link_enc_cfg_get_link_enc(link);
-	ASSERT(link_enc);
-	if (link_enc->funcs->fec_set_enable == NULL)
+	if (!link->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
+
+	if (link_enc == NULL || link_enc->funcs == NULL || link_enc->funcs->fec_set_enable == NULL)
 		return;
 
 	if (enable && dp_should_enable_fec(link)) {
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h
index 1eb0619d6710..ab1c1f8f1f8b 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.h
@@ -52,7 +52,8 @@ void dp_set_drive_settings(
 enum dc_status dp_set_fec_ready(struct dc_link *link,
 		const struct link_resource *link_res, bool ready);
 
-void dp_set_fec_enable(struct dc_link *link, bool enable);
+void dp_set_fec_enable(struct dc_link *link,
+		const struct link_resource *link_res, bool enable);
 
 void dpcd_write_rx_power_ctrl(struct dc_link *link, bool on);
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
index 751c18e592ea..613298d21d03 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
@@ -801,19 +801,23 @@ enum dc_dp_training_pattern decide_cr_training_pattern(
 }
 
 enum dc_dp_training_pattern decide_eq_training_pattern(struct dc_link *link,
+		const struct link_resource *link_res,
 		const struct dc_link_settings *link_settings)
 {
-	struct link_encoder *link_enc;
+	struct link_encoder *link_enc = link_res->dio_link_enc;
 	struct encoder_feature_support *enc_caps;
 	struct dpcd_caps *rx_caps = &link->dpcd_caps;
 	enum dc_dp_training_pattern pattern = DP_TRAINING_PATTERN_SEQUENCE_2;
 
-	link_enc = link_enc_cfg_get_link_enc(link);
-	ASSERT(link_enc);
-	enc_caps = &link_enc->features;
-
 	switch (link_dp_get_encoding_format(link_settings)) {
 	case DP_8b_10b_ENCODING:
+		if (!link->dc->config.unify_link_enc_assignment)
+			link_enc = link_enc_cfg_get_link_enc(link);
+
+		if (!link_enc)
+			break;
+
+		enc_caps = &link_enc->features;
 		if (enc_caps->flags.bits.IS_TPS4_CAPABLE &&
 				rx_caps->max_down_spread.bits.TPS4_SUPPORTED)
 			pattern = DP_TRAINING_PATTERN_SEQUENCE_4;
@@ -886,13 +890,14 @@ void dp_decide_lane_settings(
 
 void dp_decide_training_settings(
 		struct dc_link *link,
+		const struct link_resource *link_res,
 		const struct dc_link_settings *link_settings,
 		struct link_training_settings *lt_settings)
 {
 	if (link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING)
-		decide_8b_10b_training_settings(link, link_settings, lt_settings);
+		decide_8b_10b_training_settings(link, link_res, link_settings, lt_settings);
 	else if (link_dp_get_encoding_format(link_settings) == DP_128b_132b_ENCODING)
-		decide_128b_132b_training_settings(link, link_settings, lt_settings);
+		decide_128b_132b_training_settings(link, link_res, link_settings, lt_settings);
 }
 
 
@@ -1556,6 +1561,7 @@ enum link_training_result dp_perform_link_training(
 	/* decide training settings */
 	dp_decide_training_settings(
 			link,
+			link_res,
 			link_settings,
 			&lt_settings);
 
@@ -1569,7 +1575,8 @@ enum link_training_result dp_perform_link_training(
 
 	/* configure link prior to entering training mode */
 	dpcd_configure_lttpr_mode(link, &lt_settings);
-	dp_set_fec_ready(link, link_res, lt_settings.should_set_fec_ready);
+	if (link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING)
+		dp_set_fec_ready(link, link_res, lt_settings.should_set_fec_ready);
 	dpcd_configure_channel_coding(link, &lt_settings);
 
 	/* enter training mode:
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.h
index 0b18aa35c33c..574b083e0936 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.h
@@ -104,6 +104,7 @@ void start_clock_recovery_pattern_early(struct dc_link *link,
 
 void dp_decide_training_settings(
 		struct dc_link *link,
+		const struct link_resource *link_res,
 		const struct dc_link_settings *link_settings,
 		struct link_training_settings *lt_settings);
 
@@ -117,6 +118,7 @@ enum dc_dp_training_pattern decide_cr_training_pattern(
 		const struct dc_link_settings *link_settings);
 
 enum dc_dp_training_pattern decide_eq_training_pattern(struct dc_link *link,
+		const struct link_resource *link_res,
 		const struct dc_link_settings *link_settings);
 
 enum lttpr_mode dp_decide_lttpr_mode(struct dc_link *link,
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c
index db87cfe37b5c..11565f187ac7 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c
@@ -204,6 +204,7 @@ enum link_training_result dp_perform_128b_132b_link_training(
 		struct link_training_settings legacy_settings;
 
 		decide_8b_10b_training_settings(link,
+				link_res,
 				&lt_settings->link_settings,
 				&legacy_settings);
 		return dp_perform_8b_10b_link_training(link, link_res, &legacy_settings);
@@ -227,6 +228,7 @@ enum link_training_result dp_perform_128b_132b_link_training(
 }
 
 void decide_128b_132b_training_settings(struct dc_link *link,
+		const struct link_resource *link_res,
 		const struct dc_link_settings *link_settings,
 		struct link_training_settings *lt_settings)
 {
@@ -238,7 +240,7 @@ void decide_128b_132b_training_settings(struct dc_link *link,
 			LINK_SPREAD_05_DOWNSPREAD_30KHZ;
 
 	lt_settings->pattern_for_cr = decide_cr_training_pattern(link_settings);
-	lt_settings->pattern_for_eq = decide_eq_training_pattern(link, link_settings);
+	lt_settings->pattern_for_eq = decide_eq_training_pattern(link, link_res, link_settings);
 	lt_settings->eq_pattern_time = 2500;
 	lt_settings->eq_wait_time_limit = 400000;
 	lt_settings->eq_loop_count_limit = 20;
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.h
index 2147f24efc8b..901a42edafa1 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.h
@@ -34,6 +34,7 @@ enum link_training_result dp_perform_128b_132b_link_training(
 		struct link_training_settings *lt_settings);
 
 void decide_128b_132b_training_settings(struct dc_link *link,
+		const struct link_resource *link_res,
 		const struct dc_link_settings *link_settings,
 		struct link_training_settings *lt_settings);
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c
index ae95ec48e572..34d2e097ca2e 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c
@@ -93,7 +93,8 @@ static uint32_t get_eq_training_aux_rd_interval(
 }
 
 void decide_8b_10b_training_settings(
-	 struct dc_link *link,
+	struct dc_link *link,
+	const struct link_resource *link_res,
 	const struct dc_link_settings *link_setting,
 	struct link_training_settings *lt_settings)
 {
@@ -115,7 +116,7 @@ void decide_8b_10b_training_settings(
 			LINK_SPREAD_DISABLED : LINK_SPREAD_05_DOWNSPREAD_30KHZ;
 	lt_settings->eq_pattern_time = get_eq_training_aux_rd_interval(link, link_setting);
 	lt_settings->pattern_for_cr = decide_cr_training_pattern(link_setting);
-	lt_settings->pattern_for_eq = decide_eq_training_pattern(link, link_setting);
+	lt_settings->pattern_for_eq = decide_eq_training_pattern(link, link_res, link_setting);
 	lt_settings->enhanced_framing = 1;
 	lt_settings->should_set_fec_ready = true;
 	lt_settings->disallow_per_lane_settings = true;
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.h
index d26de15ce954..ea0de701d83f 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.h
@@ -54,7 +54,8 @@ enum link_training_result perform_8b_10b_channel_equalization_sequence(
 enum lttpr_mode dp_decide_8b_10b_lttpr_mode(struct dc_link *link);
 
 void decide_8b_10b_training_settings(
-	 struct dc_link *link,
+	struct dc_link *link,
+	const struct link_resource *link_res,
 	const struct dc_link_settings *link_setting,
 	struct link_training_settings *lt_settings);
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_auxless.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_auxless.c
index 4c6b886a9da8..f99d26290bc0 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_auxless.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_auxless.c
@@ -39,6 +39,7 @@ bool dp_perform_link_training_skip_aux(
 
 	dp_decide_training_settings(
 			link,
+			link_res,
 			link_setting,
 			&lt_settings);
 	override_training_settings(
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
index 39e4b7dc9588..603537ffd128 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
@@ -110,6 +110,7 @@ static enum link_training_result dpia_configure_link(
 
 	dp_decide_training_settings(
 		link,
+		link_res,
 		link_setting,
 		lt_settings);
 
@@ -129,11 +130,14 @@ static enum link_training_result dpia_configure_link(
 	if (status != DC_OK && link->is_hpd_pending)
 		return LINK_TRAINING_ABORT;
 
-	if (link->preferred_training_settings.fec_enable != NULL)
-		fec_enable = *link->preferred_training_settings.fec_enable;
-	else
-		fec_enable = true;
-	status = dp_set_fec_ready(link, link_res, fec_enable);
+	if (link_dp_get_encoding_format(link_setting) == DP_8b_10b_ENCODING) {
+		if (link->preferred_training_settings.fec_enable != NULL)
+			fec_enable = *link->preferred_training_settings.fec_enable;
+		else
+			fec_enable = true;
+		status = dp_set_fec_ready(link, link_res, fec_enable);
+	}
+
 	if (status != DC_OK && link->is_hpd_pending)
 		return LINK_TRAINING_ABORT;
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c
index ccf8096dde29..ce174ce5579c 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c
@@ -270,7 +270,8 @@ enum link_training_result dp_perform_fixed_vs_pe_training_sequence(
 
 	rate = get_dpcd_link_rate(&lt_settings->link_settings);
 
-	if (!link->dpcd_caps.lttpr_caps.main_link_channel_coding.bits.DP_128b_132b_SUPPORTED) {
+	// Only perform toggle if FIXED_VS LTTPR reports no IEEE OUI
+	if (memcmp("\x0,\x0,\x0", &link->dpcd_caps.lttpr_caps.lttpr_ieee_oui[0], 3) == 0) {
 		/* Vendor specific: Toggle link rate */
 		toggle_rate = (rate == 0x6) ? 0xA : 0x6;
 
diff --git a/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.h b/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.h
index 9267cdf88e9a..ce6fbcf14d7a 100644
--- a/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.h
@@ -63,8 +63,7 @@
 	uint32_t MPC_MCM_SECOND_GAMUT_REMAP_C31_C32_B[MAX_MPCC]; \
 	uint32_t MPC_MCM_SECOND_GAMUT_REMAP_C33_C34_B[MAX_MPCC]; \
 	uint32_t MPCC_MCM_3DLUT_FAST_LOAD_SELECT[MAX_MPCC]; \
-	uint32_t MPCC_MCM_3DLUT_FAST_LOAD_STATUS[MAX_MPCC]; \
-	uint32_t MPCC_CONTROL2[MAX_MPCC]
+	uint32_t MPCC_MCM_3DLUT_FAST_LOAD_STATUS[MAX_MPCC];
 
 #define MPC_COMMON_MASK_SH_LIST_DCN4_01(mask_sh) \
 	MPC_COMMON_MASK_SH_LIST_DCN32(mask_sh), \
@@ -184,7 +183,7 @@ struct dcn401_mpc_mask {
 };
 
 struct dcn401_mpc_registers {
-	MPC_REG_VARIABLE_LIST_DCN4_01;
+	MPC_REG_VARIABLE_LIST_DCN4_01
 };
 
 struct dcn401_mpc {
@@ -236,7 +235,29 @@ void mpc401_get_gamut_remap(
 	struct mpc *mpc,
 	int mpcc_id,
 	struct mpc_grph_gamut_adjustment *adjust);
-void mpc401_update_3dlut_fast_load_select(struct mpc *mpc, int mpcc_id, int hubp_idx);
-void mpc401_get_3dlut_fast_load_status(struct mpc *mpc, int mpcc_id, uint32_t *done, uint32_t *soft_underflow, uint32_t *hard_underflow);
+
+void mpc401_update_3dlut_fast_load_select(
+	struct mpc *mpc,
+	int mpcc_id,
+	int hubp_idx);
+
+void mpc401_get_3dlut_fast_load_status(
+	struct mpc *mpc,
+	int mpcc_id,
+	uint32_t *done,
+	uint32_t *soft_underflow,
+	uint32_t *hard_underflow);
+
+void mpc401_update_3dlut_fast_load_select(
+	struct mpc *mpc,
+	int mpcc_id,
+	int hubp_idx);
+
+void mpc401_get_3dlut_fast_load_status(
+	struct mpc *mpc,
+	int mpcc_id,
+	uint32_t *done,
+	uint32_t *soft_underflow,
+	uint32_t *hard_underflow);
 
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h
index a6d4dbe82c13..8b2a8455eb56 100644
--- a/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.h
@@ -104,120 +104,115 @@
 	SRI(OTG_MANUAL_FLOW_CONTROL, OTG, inst)
 
 
+#define OPTC_REG_VARIABLE_LIST_DCN \
+	uint32_t OTG_GLOBAL_CONTROL1; \
+	uint32_t OTG_GLOBAL_CONTROL2; \
+	uint32_t OTG_VERT_SYNC_CONTROL; \
+	uint32_t OTG_MASTER_UPDATE_MODE; \
+	uint32_t OTG_GSL_CONTROL; \
+	uint32_t OTG_VSTARTUP_PARAM; \
+	uint32_t OTG_VUPDATE_PARAM; \
+	uint32_t OTG_VREADY_PARAM; \
+	uint32_t OTG_BLANK_CONTROL; \
+	uint32_t OTG_MASTER_UPDATE_LOCK; \
+	uint32_t OTG_GLOBAL_CONTROL0; \
+	uint32_t OTG_DOUBLE_BUFFER_CONTROL; \
+	uint32_t OTG_H_TOTAL; \
+	uint32_t OTG_H_BLANK_START_END; \
+	uint32_t OTG_H_SYNC_A; \
+	uint32_t OTG_H_SYNC_A_CNTL; \
+	uint32_t OTG_H_TIMING_CNTL; \
+	uint32_t OTG_V_TOTAL; \
+	uint32_t OTG_V_BLANK_START_END; \
+	uint32_t OTG_V_SYNC_A; \
+	uint32_t OTG_V_SYNC_A_CNTL; \
+	uint32_t OTG_INTERLACE_CONTROL; \
+	uint32_t OTG_CONTROL; \
+	uint32_t OTG_STEREO_CONTROL; \
+	uint32_t OTG_3D_STRUCTURE_CONTROL; \
+	uint32_t OTG_STEREO_STATUS; \
+	uint32_t OTG_V_TOTAL_MAX; \
+	uint32_t OTG_V_TOTAL_MID; \
+	uint32_t OTG_V_TOTAL_MIN; \
+	uint32_t OTG_V_TOTAL_CONTROL; \
+	uint32_t OTG_V_COUNT_STOP_CONTROL; \
+	uint32_t OTG_V_COUNT_STOP_CONTROL2; \
+	uint32_t OTG_TRIGA_CNTL; \
+	uint32_t OTG_TRIGA_MANUAL_TRIG; \
+	uint32_t OTG_MANUAL_FLOW_CONTROL; \
+	uint32_t OTG_FORCE_COUNT_NOW_CNTL; \
+	uint32_t OTG_STATIC_SCREEN_CONTROL; \
+	uint32_t OTG_STATUS_FRAME_COUNT; \
+	uint32_t OTG_STATUS; \
+	uint32_t OTG_STATUS_POSITION; \
+	uint32_t OTG_NOM_VERT_POSITION; \
+	uint32_t OTG_BLACK_COLOR; \
+	uint32_t OTG_TEST_PATTERN_PARAMETERS; \
+	uint32_t OTG_TEST_PATTERN_CONTROL; \
+	uint32_t OTG_TEST_PATTERN_COLOR; \
+	uint32_t OTG_CLOCK_CONTROL; \
+	uint32_t OTG_VERTICAL_INTERRUPT0_CONTROL; \
+	uint32_t OTG_VERTICAL_INTERRUPT0_POSITION; \
+	uint32_t OTG_VERTICAL_INTERRUPT1_CONTROL; \
+	uint32_t OTG_VERTICAL_INTERRUPT1_POSITION; \
+	uint32_t OTG_VERTICAL_INTERRUPT2_CONTROL; \
+	uint32_t OTG_VERTICAL_INTERRUPT2_POSITION; \
+	uint32_t OPTC_INPUT_CLOCK_CONTROL; \
+	uint32_t OPTC_DATA_SOURCE_SELECT; \
+	uint32_t OPTC_MEMORY_CONFIG; \
+	uint32_t OPTC_INPUT_GLOBAL_CONTROL; \
+	uint32_t CONTROL; \
+	uint32_t OTG_GSL_WINDOW_X; \
+	uint32_t OTG_GSL_WINDOW_Y; \
+	uint32_t OTG_VUPDATE_KEEPOUT; \
+	uint32_t OTG_CRC_CNTL; \
+	uint32_t OTG_CRC_CNTL2; \
+	uint32_t OTG_CRC0_DATA_RG; \
+	uint32_t OTG_CRC0_DATA_B; \
+	uint32_t OTG_CRC1_DATA_B; \
+	uint32_t OTG_CRC2_DATA_B; \
+	uint32_t OTG_CRC3_DATA_B; \
+	uint32_t OTG_CRC1_DATA_RG; \
+	uint32_t OTG_CRC2_DATA_RG; \
+	uint32_t OTG_CRC3_DATA_RG; \
+	uint32_t OTG_CRC0_WINDOWA_X_CONTROL; \
+	uint32_t OTG_CRC0_WINDOWA_Y_CONTROL; \
+	uint32_t OTG_CRC0_WINDOWB_X_CONTROL; \
+	uint32_t OTG_CRC0_WINDOWB_Y_CONTROL; \
+	uint32_t OTG_CRC1_WINDOWA_X_CONTROL; \
+	uint32_t OTG_CRC1_WINDOWA_Y_CONTROL; \
+	uint32_t OTG_CRC1_WINDOWB_X_CONTROL; \
+	uint32_t OTG_CRC1_WINDOWB_Y_CONTROL; \
+	uint32_t GSL_SOURCE_SELECT; \
+	uint32_t DWB_SOURCE_SELECT; \
+	uint32_t OTG_DSC_START_POSITION; \
+	uint32_t OPTC_DATA_FORMAT_CONTROL; \
+	uint32_t OPTC_BYTES_PER_PIXEL; \
+	uint32_t OPTC_WIDTH_CONTROL; \
+	uint32_t OTG_DRR_CONTROL; \
+	uint32_t OTG_BLANK_DATA_COLOR; \
+	uint32_t OTG_BLANK_DATA_COLOR_EXT; \
+	uint32_t OTG_DRR_TRIGGER_WINDOW; \
+	uint32_t OTG_M_CONST_DTO0; \
+	uint32_t OTG_M_CONST_DTO1; \
+	uint32_t OTG_DRR_V_TOTAL_CHANGE; \
+	uint32_t OTG_GLOBAL_CONTROL4; \
+	uint32_t OTG_CRC0_WINDOWA_X_CONTROL_READBACK; \
+	uint32_t OTG_CRC0_WINDOWA_Y_CONTROL_READBACK; \
+	uint32_t OTG_CRC0_WINDOWB_X_CONTROL_READBACK; \
+	uint32_t OTG_CRC0_WINDOWB_Y_CONTROL_READBACK; \
+	uint32_t OTG_CRC1_WINDOWA_X_CONTROL_READBACK; \
+	uint32_t OTG_CRC1_WINDOWA_Y_CONTROL_READBACK; \
+	uint32_t OTG_CRC1_WINDOWB_X_CONTROL_READBACK; \
+	uint32_t OTG_CRC1_WINDOWB_Y_CONTROL_READBACK; \
+	uint32_t OPTC_CLOCK_CONTROL; \
+	uint32_t OPTC_WIDTH_CONTROL2; \
+	uint32_t OTG_PSTATE_REGISTER; \
+	uint32_t OTG_PIPE_UPDATE_STATUS; \
+	uint32_t INTERRUPT_DEST
+
 struct dcn_optc_registers {
-	uint32_t OTG_GLOBAL_CONTROL1;
-	uint32_t OTG_GLOBAL_CONTROL2;
-	uint32_t OTG_VERT_SYNC_CONTROL;
-	uint32_t OTG_MASTER_UPDATE_MODE;
-	uint32_t OTG_GSL_CONTROL;
-	uint32_t OTG_VSTARTUP_PARAM;
-	uint32_t OTG_VUPDATE_PARAM;
-	uint32_t OTG_VREADY_PARAM;
-	uint32_t OTG_BLANK_CONTROL;
-	uint32_t OTG_MASTER_UPDATE_LOCK;
-	uint32_t OTG_GLOBAL_CONTROL0;
-	uint32_t OTG_DOUBLE_BUFFER_CONTROL;
-	uint32_t OTG_H_TOTAL;
-	uint32_t OTG_H_BLANK_START_END;
-	uint32_t OTG_H_SYNC_A;
-	uint32_t OTG_H_SYNC_A_CNTL;
-	uint32_t OTG_H_TIMING_CNTL;
-	uint32_t OTG_V_TOTAL;
-	uint32_t OTG_V_BLANK_START_END;
-	uint32_t OTG_V_SYNC_A;
-	uint32_t OTG_V_SYNC_A_CNTL;
-	uint32_t OTG_INTERLACE_CONTROL;
-	uint32_t OTG_CONTROL;
-	uint32_t OTG_STEREO_CONTROL;
-	uint32_t OTG_3D_STRUCTURE_CONTROL;
-	uint32_t OTG_STEREO_STATUS;
-	uint32_t OTG_V_TOTAL_MAX;
-	uint32_t OTG_V_TOTAL_MID;
-	uint32_t OTG_V_TOTAL_MIN;
-	uint32_t OTG_V_TOTAL_CONTROL;
-	uint32_t OTG_V_COUNT_STOP_CONTROL;
-	uint32_t OTG_V_COUNT_STOP_CONTROL2;
-	uint32_t OTG_TRIGA_CNTL;
-	uint32_t OTG_TRIGA_MANUAL_TRIG;
-	uint32_t OTG_MANUAL_FLOW_CONTROL;
-	uint32_t OTG_FORCE_COUNT_NOW_CNTL;
-	uint32_t OTG_STATIC_SCREEN_CONTROL;
-	uint32_t OTG_STATUS_FRAME_COUNT;
-	uint32_t OTG_STATUS;
-	uint32_t OTG_STATUS_POSITION;
-	uint32_t OTG_NOM_VERT_POSITION;
-	uint32_t OTG_BLACK_COLOR;
-	uint32_t OTG_TEST_PATTERN_PARAMETERS;
-	uint32_t OTG_TEST_PATTERN_CONTROL;
-	uint32_t OTG_TEST_PATTERN_COLOR;
-	uint32_t OTG_CLOCK_CONTROL;
-	uint32_t OTG_VERTICAL_INTERRUPT0_CONTROL;
-	uint32_t OTG_VERTICAL_INTERRUPT0_POSITION;
-	uint32_t OTG_VERTICAL_INTERRUPT1_CONTROL;
-	uint32_t OTG_VERTICAL_INTERRUPT1_POSITION;
-	uint32_t OTG_VERTICAL_INTERRUPT2_CONTROL;
-	uint32_t OTG_VERTICAL_INTERRUPT2_POSITION;
-	uint32_t OPTC_INPUT_CLOCK_CONTROL;
-	uint32_t OPTC_DATA_SOURCE_SELECT;
-	uint32_t OPTC_MEMORY_CONFIG;
-	uint32_t OPTC_INPUT_GLOBAL_CONTROL;
-	uint32_t CONTROL;
-	uint32_t OTG_GSL_WINDOW_X;
-	uint32_t OTG_GSL_WINDOW_Y;
-	uint32_t OTG_VUPDATE_KEEPOUT;
-	uint32_t OTG_CRC_CNTL;
-	uint32_t OTG_CRC_CNTL2;
-	uint32_t OTG_CRC0_DATA_RG;
-	uint32_t OTG_CRC1_DATA_RG;
-	uint32_t OTG_CRC2_DATA_RG;
-	uint32_t OTG_CRC3_DATA_RG;
-	uint32_t OTG_CRC0_DATA_B;
-	uint32_t OTG_CRC1_DATA_B;
-	uint32_t OTG_CRC2_DATA_B;
-	uint32_t OTG_CRC3_DATA_B;
-	uint32_t OTG_CRC0_DATA_R;
-	uint32_t OTG_CRC1_DATA_R;
-	uint32_t OTG_CRC2_DATA_R;
-	uint32_t OTG_CRC3_DATA_R;
-	uint32_t OTG_CRC0_DATA_G;
-	uint32_t OTG_CRC1_DATA_G;
-	uint32_t OTG_CRC2_DATA_G;
-	uint32_t OTG_CRC3_DATA_G;
-	uint32_t OTG_CRC0_WINDOWA_X_CONTROL;
-	uint32_t OTG_CRC0_WINDOWA_Y_CONTROL;
-	uint32_t OTG_CRC0_WINDOWB_X_CONTROL;
-	uint32_t OTG_CRC0_WINDOWB_Y_CONTROL;
-	uint32_t OTG_CRC1_WINDOWA_X_CONTROL;
-	uint32_t OTG_CRC1_WINDOWA_Y_CONTROL;
-	uint32_t OTG_CRC1_WINDOWB_X_CONTROL;
-	uint32_t OTG_CRC1_WINDOWB_Y_CONTROL;
-	uint32_t GSL_SOURCE_SELECT;
-	uint32_t DWB_SOURCE_SELECT;
-	uint32_t OTG_DSC_START_POSITION;
-	uint32_t OPTC_DATA_FORMAT_CONTROL;
-	uint32_t OPTC_BYTES_PER_PIXEL;
-	uint32_t OPTC_WIDTH_CONTROL;
-	uint32_t OTG_DRR_CONTROL;
-	uint32_t OTG_BLANK_DATA_COLOR;
-	uint32_t OTG_BLANK_DATA_COLOR_EXT;
-	uint32_t OTG_DRR_TRIGGER_WINDOW;
-	uint32_t OTG_M_CONST_DTO0;
-	uint32_t OTG_M_CONST_DTO1;
-	uint32_t OTG_DRR_V_TOTAL_CHANGE;
-	uint32_t OTG_GLOBAL_CONTROL4;
-	uint32_t OTG_CRC0_WINDOWA_X_CONTROL_READBACK;
-	uint32_t OTG_CRC0_WINDOWA_Y_CONTROL_READBACK;
-	uint32_t OTG_CRC0_WINDOWB_X_CONTROL_READBACK;
-	uint32_t OTG_CRC0_WINDOWB_Y_CONTROL_READBACK;
-	uint32_t OTG_CRC1_WINDOWA_X_CONTROL_READBACK;
-	uint32_t OTG_CRC1_WINDOWA_Y_CONTROL_READBACK;
-	uint32_t OTG_CRC1_WINDOWB_X_CONTROL_READBACK;
-	uint32_t OTG_CRC1_WINDOWB_Y_CONTROL_READBACK;
-	uint32_t OPTC_CLOCK_CONTROL;
-	uint32_t OPTC_WIDTH_CONTROL2;
-	uint32_t OTG_PSTATE_REGISTER;
-	uint32_t OTG_PIPE_UPDATE_STATUS;
-	uint32_t INTERRUPT_DEST;
+	OPTC_REG_VARIABLE_LIST_DCN;
 };
 
 #define TG_COMMON_MASK_SH_LIST_DCN(mask_sh)\
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c
index 5c6dc710e96c..e4eca3e32c1b 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c
@@ -1220,7 +1220,7 @@ static void get_pixel_clock_parameters(
 	struct pipe_ctx *odm_pipe;
 	int opp_cnt = 1;
 	struct dc_link *link = stream->link;
-	struct link_encoder *link_enc = NULL;
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct dc *dc = pipe_ctx->stream->ctx->dc;
 	struct dce_hwseq *hws = dc->hwseq;
 
@@ -1229,7 +1229,8 @@ static void get_pixel_clock_parameters(
 
 	pixel_clk_params->requested_pix_clk_100hz = stream->timing.pix_clk_100hz;
 
-	link_enc = link_enc_cfg_get_link_enc(link);
+	if (!dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 	if (link_enc)
 		pixel_clk_params->encoder_object_id = link_enc->id;
 
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
index 911bd60d4fbc..3c42ba8566cf 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
@@ -890,7 +890,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_z10 = true,
 	.enable_legacy_fast_update = true,
 	.enable_z9_disable_interface = true, /* Allow support for the PMFW interface for disable Z9*/
-	.dml_hostvm_override = DML_HOSTVM_NO_OVERRIDE,
+	.dml_hostvm_override = DML_HOSTVM_OVERRIDE_FALSE,
 	.using_dml2 = false,
 };
 
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
index 4e842f29d4c4..7436dfbdf927 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
@@ -1666,12 +1666,13 @@ static void dcn401_build_pipe_pix_clk_params(struct pipe_ctx *pipe_ctx)
 {
 	const struct dc_stream_state *stream = pipe_ctx->stream;
 	struct dc_link *link = stream->link;
-	struct link_encoder *link_enc = NULL;
+	struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
 	struct pixel_clk_params *pixel_clk_params = &pipe_ctx->stream_res.pix_clk_params;
 
 	pixel_clk_params->requested_pix_clk_100hz = stream->timing.pix_clk_100hz;
 
-	link_enc = link_enc_cfg_get_link_enc(link);
+	if (!pipe_ctx->stream->ctx->dc->config.unify_link_enc_assignment)
+		link_enc = link_enc_cfg_get_link_enc(link);
 	if (link_enc)
 		pixel_clk_params->encoder_object_id = link_enc->id;
 
diff --git a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c
index 31495c9978b0..28348734d900 100644
--- a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c
+++ b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c
@@ -3,12 +3,11 @@
 // Copyright 2024 Advanced Micro Devices, Inc.
 
 #include "dc_spl.h"
-#include "dc_spl_scl_filters.h"
 #include "dc_spl_scl_easf_filters.h"
 #include "dc_spl_isharp_filters.h"
 #include "spl_debug.h"
 
-#define IDENTITY_RATIO(ratio) (spl_fixpt_u2d19(ratio) == (1 << 19))
+#define IDENTITY_RATIO(ratio) (spl_fixpt_u3d19(ratio) == (1 << 19))
 #define MIN_VIEWPORT_SIZE 12
 
 static bool spl_is_yuv420(enum spl_pixel_format format)
@@ -76,6 +75,21 @@ static struct spl_rect shift_rec(const struct spl_rect *rec_in, int x, int y)
 	return rec_out;
 }
 
+static void spl_opp_adjust_rect(struct spl_rect *rec, const struct spl_opp_adjust *adjust)
+{
+	if ((rec->x + adjust->x) >= 0)
+		rec->x += adjust->x;
+
+	if ((rec->y + adjust->y) >= 0)
+		rec->y += adjust->y;
+
+	if ((rec->width + adjust->width) >= 1)
+		rec->width += adjust->width;
+
+	if ((rec->height + adjust->height) >= 1)
+		rec->height += adjust->height;
+}
+
 static struct spl_rect calculate_plane_rec_in_timing_active(
 		struct spl_in *spl_in,
 		const struct spl_rect *rec_in)
@@ -723,13 +737,15 @@ static void spl_handle_3d_recout(struct spl_in *spl_in, struct spl_rect *recout)
 	}
 }
 
-static void spl_clamp_viewport(struct spl_rect *viewport)
+static void spl_clamp_viewport(struct spl_rect *viewport, int min_viewport_size)
 {
+	if (min_viewport_size == 0)
+		min_viewport_size = MIN_VIEWPORT_SIZE;
 	/* Clamp minimum viewport size */
-	if (viewport->height < MIN_VIEWPORT_SIZE)
-		viewport->height = MIN_VIEWPORT_SIZE;
-	if (viewport->width < MIN_VIEWPORT_SIZE)
-		viewport->width = MIN_VIEWPORT_SIZE;
+	if (viewport->height < min_viewport_size)
+		viewport->height = min_viewport_size;
+	if (viewport->width < min_viewport_size)
+		viewport->width = min_viewport_size;
 }
 
 static enum scl_mode spl_get_dscl_mode(const struct spl_in *spl_in,
@@ -870,6 +886,8 @@ static bool spl_get_isharp_en(struct spl_in *spl_in,
 static void spl_get_taps_non_adaptive_scaler(
 	  struct spl_scratch *spl_scratch, const struct spl_taps *in_taps)
 {
+	bool check_max_downscale = false;
+
 	if (in_taps->h_taps == 0) {
 		if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz) > 1)
 			spl_scratch->scl_data.taps.h_taps = spl_min(2 * spl_fixpt_ceil(
@@ -909,6 +927,23 @@ static void spl_get_taps_non_adaptive_scaler(
 	else
 		spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c;
 
+
+	/*
+	 * Max downscale supported is 6.0x.  Add ASSERT to catch if go beyond that
+	 */
+	check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.horz,
+		spl_fixpt_from_fraction(6, 1));
+	SPL_ASSERT(check_max_downscale);
+	check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.vert,
+		spl_fixpt_from_fraction(6, 1));
+	SPL_ASSERT(check_max_downscale);
+	check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.horz_c,
+		spl_fixpt_from_fraction(6, 1));
+	SPL_ASSERT(check_max_downscale);
+	check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.vert_c,
+		spl_fixpt_from_fraction(6, 1));
+	SPL_ASSERT(check_max_downscale);
+
 	if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz))
 		spl_scratch->scl_data.taps.h_taps = 1;
 	if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert))
@@ -927,8 +962,8 @@ static bool spl_get_optimal_number_of_taps(
 	  bool *enable_isharp)
 {
 	int num_part_y, num_part_c;
-	int max_taps_y, max_taps_c;
-	int min_taps_y, min_taps_c;
+	unsigned int max_taps_y, max_taps_c;
+	unsigned int min_taps_y, min_taps_c;
 	enum lb_memory_config lb_config;
 	bool skip_easf = false;
 	bool is_subsampled = spl_is_subsampled_format(spl_in->basic_in.format);
@@ -990,12 +1025,18 @@ static bool spl_get_optimal_number_of_taps(
 			lb_config, &num_part_y, &num_part_c);
 	/* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */
 	if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 2)
-		max_taps_y = num_part_y - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) - 2);
+		if ((spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) - 2) > num_part_y)
+			max_taps_y = 0;
+		else
+			max_taps_y = num_part_y - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) - 2);
 	else
 		max_taps_y = num_part_y;
 
 	if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 2)
-		max_taps_c = num_part_c - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) - 2);
+		if ((spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) - 2) > num_part_c)
+			max_taps_c = 0;
+		else
+			max_taps_c = num_part_c - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) - 2);
 	else
 		max_taps_c = num_part_c;
 
@@ -1764,6 +1805,8 @@ static bool spl_calculate_number_of_taps(struct spl_in *spl_in, struct spl_scrat
 	spl_calculate_recout(spl_in, spl_scratch, spl_out);
 	/* depends on pixel format */
 	spl_calculate_scaling_ratios(spl_in, spl_scratch, spl_out);
+	/* Adjust recout for opp if needed */
+	spl_opp_adjust_rect(&spl_scratch->scl_data.recout, &spl_in->basic_in.opp_recout_adjust);
 	/* depends on scaling ratios and recout, does not calculate offset yet */
 	spl_calculate_viewport_size(spl_in, spl_scratch);
 
@@ -1775,7 +1818,7 @@ static bool spl_calculate_number_of_taps(struct spl_in *spl_in, struct spl_scrat
 }
 
 /* Calculate scaler parameters */
-bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)
+bool SPL_NAMESPACE(spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out))
 {
 	bool res = false;
 	bool enable_easf_v = false;
@@ -1800,7 +1843,7 @@ bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)
 	// Handle 3d recout
 	spl_handle_3d_recout(spl_in, &spl_scratch.scl_data.recout);
 	// Clamp
-	spl_clamp_viewport(&spl_scratch.scl_data.viewport);
+	spl_clamp_viewport(&spl_scratch.scl_data.viewport, spl_in->min_viewport_size);
 
 	// Save all calculated parameters in dscl_prog_data structure to program hw registers
 	spl_set_dscl_prog_data(spl_in, &spl_scratch, spl_out, enable_easf_v, enable_easf_h, enable_isharp);
@@ -1840,7 +1883,7 @@ bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)
 }
 
 /* External interface to get number of taps only */
-bool spl_get_number_of_taps(struct spl_in *spl_in, struct spl_out *spl_out)
+bool SPL_NAMESPACE(spl_get_number_of_taps(struct spl_in *spl_in, struct spl_out *spl_out))
 {
 	bool res = false;
 	bool enable_easf_v = false;
diff --git a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.h b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.h
index 02a2d6725ed5..145961803a92 100644
--- a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.h
+++ b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.h
@@ -9,10 +9,22 @@
 #define BLACK_OFFSET_RGB_Y 0x0
 #define BLACK_OFFSET_CBCR  0x8000
 
+#ifndef SPL_PFX_
+#define SPL_PFX_
+#endif
+
+#define SPL_EXPAND2(a, b)         a##b
+#define SPL_EXPAND(a, b)          SPL_EXPAND2(a, b)
+#define SPL_NAMESPACE(symbol)     SPL_EXPAND(SPL_PFX_, symbol)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* SPL interfaces */
 
-bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out);
+bool SPL_NAMESPACE(spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out));
 
-bool spl_get_number_of_taps(struct spl_in *spl_in, struct spl_out *spl_out);
+bool SPL_NAMESPACE(spl_get_number_of_taps(struct spl_in *spl_in, struct spl_out *spl_out));
 
 #endif /* __DC_SPL_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h
index 467af9dd90de..1c3949b24611 100644
--- a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h
+++ b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h
@@ -427,6 +427,14 @@ struct spl_out	{
 
 // SPL inputs
 
+// opp extra adjustment for rect
+struct spl_opp_adjust {
+	int x;
+	int y;
+	int width;
+	int height;
+};
+
 // Basic input information
 struct basic_in	{
 	enum spl_pixel_format format; // Pixel Format
@@ -444,6 +452,7 @@ struct basic_in	{
 		} num_slices_recout_width;
 	} num_h_slices_recout_width_align;
 	int mpc_h_slice_index; // previous mpc_combine_v - split_idx
+	struct spl_opp_adjust opp_recout_adjust;
 	// Inputs for adaptive scaler - TODO
 	enum spl_transfer_func_type tf_type; /* Transfer function type */
 	enum spl_transfer_func_predefined tf_predefined_type; /* Transfer function predefined type */
@@ -484,7 +493,7 @@ struct spl_sharpness_range {
 };
 struct adaptive_sharpness {
 	bool enable;
-	int sharpness_level;
+	unsigned int sharpness_level;
 	struct spl_sharpness_range sharpness_range;
 };
 enum linear_light_scaling	{	// convert it in translation logic
@@ -535,6 +544,7 @@ struct spl_in	{
 	bool is_hdr_on;
 	int h_active;
 	int v_active;
+	int min_viewport_size;
 	int sdr_white_level_nits;
 	enum sharpen_policy sharpen_policy;
 };
diff --git a/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.c
index 131f1e3949d3..52d97918a3bd 100644
--- a/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.c
+++ b/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.c
@@ -346,7 +346,7 @@ struct spl_fixed31_32 spl_fixpt_exp(struct spl_fixed31_32 arg)
 		if (m > 0)
 			return spl_fixpt_shl(
 				spl_fixed31_32_exp_from_taylor_series(r),
-				(unsigned char)m);
+				(unsigned int)m);
 		else
 			return spl_fixpt_div_int(
 				spl_fixed31_32_exp_from_taylor_series(r),
diff --git a/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.h b/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.h
index ed2647f9a099..9f349ffe9148 100644
--- a/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.h
+++ b/drivers/gpu/drm/amd/display/dc/sspl/spl_fixpt31_32.h
@@ -189,7 +189,7 @@ static inline struct spl_fixed31_32 spl_fixpt_clamp(
  * @brief
  * result = arg << shift
  */
-static inline struct spl_fixed31_32 spl_fixpt_shl(struct spl_fixed31_32 arg, unsigned char shift)
+static inline struct spl_fixed31_32 spl_fixpt_shl(struct spl_fixed31_32 arg, unsigned int shift)
 {
 	SPL_ASSERT(((arg.value >= 0) && (arg.value <= LLONG_MAX >> shift)) ||
 		((arg.value < 0) && (arg.value >= ~(LLONG_MAX >> shift))));
@@ -203,7 +203,7 @@ static inline struct spl_fixed31_32 spl_fixpt_shl(struct spl_fixed31_32 arg, uns
  * @brief
  * result = arg >> shift
  */
-static inline struct spl_fixed31_32 spl_fixpt_shr(struct spl_fixed31_32 arg, unsigned char shift)
+static inline struct spl_fixed31_32 spl_fixpt_shr(struct spl_fixed31_32 arg, unsigned int shift)
 {
 	bool negative = arg.value < 0;
 
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 8cf89aed024b..f84bbc033e64 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -161,6 +161,13 @@
 #endif
 
 /**
+ * OS/FW agnostic memcmp
+ */
+#ifndef dmub_memcmp
+#define dmub_memcmp(lhs, rhs, bytes) memcmp((lhs), (rhs), (bytes))
+#endif
+
+/**
  * OS/FW agnostic udelay
  */
 #ifndef dmub_udelay
@@ -1460,6 +1467,11 @@ enum dmub_cmd_type {
 	 */
 	DMUB_CMD__PSP = 88,
 
+	/**
+	 * Command type used for all Fused IO commands.
+	 */
+	DMUB_CMD__FUSED_IO = 89,
+
 	DMUB_CMD__VBIOS = 128,
 };
 
@@ -1491,6 +1503,10 @@ enum dmub_out_cmd_type {
 	 * Command type used for HPD redetect notification
 	 */
 	DMUB_OUT_CMD__HPD_SENSE_NOTIFY = 6,
+	/**
+	 * Command type used for Fused IO notification
+	 */
+	DMUB_OUT_CMD__FUSED_IO = 7,
 };
 
 /* DMUB_CMD__DPIA command sub-types. */
@@ -5325,6 +5341,63 @@ struct dmub_rb_cmd_get_usbc_cable_id {
 	} data;
 };
 
+enum dmub_cmd_fused_io_sub_type {
+	DMUB_CMD__FUSED_IO_EXECUTE = 0,
+	DMUB_CMD__FUSED_IO_ABORT = 1,
+};
+
+enum dmub_cmd_fused_request_type {
+	FUSED_REQUEST_READ,
+	FUSED_REQUEST_WRITE,
+	FUSED_REQUEST_POLL,
+};
+
+enum dmub_cmd_fused_request_status {
+	FUSED_REQUEST_STATUS_SUCCESS,
+	FUSED_REQUEST_STATUS_BEGIN,
+	FUSED_REQUEST_STATUS_SUBMIT,
+	FUSED_REQUEST_STATUS_REPLY,
+	FUSED_REQUEST_STATUS_POLL,
+	FUSED_REQUEST_STATUS_ABORTED,
+	FUSED_REQUEST_STATUS_FAILED = 0x80,
+	FUSED_REQUEST_STATUS_INVALID,
+	FUSED_REQUEST_STATUS_BUSY,
+	FUSED_REQUEST_STATUS_TIMEOUT,
+	FUSED_REQUEST_STATUS_POLL_TIMEOUT,
+};
+
+struct dmub_cmd_fused_request {
+	uint8_t status;
+	uint8_t type : 2;
+	uint8_t _reserved0 : 3;
+	uint8_t poll_mask_msb : 3;  // Number of MSB to zero out from last byte before comparing
+	uint8_t identifier;
+	uint8_t _reserved1;
+	uint32_t timeout_us;
+	union dmub_cmd_fused_request_location {
+		struct dmub_cmd_fused_request_location_i2c {
+			uint8_t is_aux : 1;  // False
+			uint8_t ddc_line : 3;
+			uint8_t _reserved0 : 4;
+			uint8_t address;
+			uint8_t offset;
+			uint8_t length;
+		} i2c;
+		struct dmub_cmd_fused_request_location_aux {
+			uint32_t is_aux : 1;  // True
+			uint32_t ddc_line : 3;
+			uint32_t address : 20;
+			uint32_t length : 8;  // Automatically split into 16B transactions
+		} aux;
+	} u;
+	uint8_t buffer[0x30];  // Read: out, write: in, poll: expected
+};
+
+struct dmub_rb_cmd_fused_io {
+	struct dmub_cmd_header header;
+	struct dmub_cmd_fused_request request;
+};
+
 /**
  * Command type of a DMUB_CMD__SECURE_DISPLAY command
  */
@@ -5738,6 +5811,8 @@ union dmub_rb_cmd {
 	struct dmub_rb_cmd_fams2_drr_update fams2_drr_update;
 
 	struct dmub_rb_cmd_fams2_flip fams2_flip;
+
+	struct dmub_rb_cmd_fused_io fused_io;
 };
 
 /**
@@ -5768,6 +5843,7 @@ union dmub_rb_out_cmd {
 	 * HPD sense notification command.
 	 */
 	struct dmub_rb_cmd_hpd_sense_notify hpd_sense_notify;
+	struct dmub_rb_cmd_fused_io fused_io;
 };
 #pragma pack(pop)
 
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
index 3d0bba602b53..9796077885c9 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
@@ -83,8 +83,8 @@ static inline void dmub_dcn31_translate_addr(const union dmub_addr *addr_in,
 void dmub_dcn31_reset(struct dmub_srv *dmub)
 {
 	union dmub_gpint_data_register cmd;
-	const uint32_t timeout = 100;
-	uint32_t in_reset, scratch, i, pwait_mode;
+	const uint32_t timeout = 100000;
+	uint32_t in_reset, is_enabled, scratch, i, pwait_mode;
 
 	REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &in_reset);
 
@@ -108,7 +108,7 @@ void dmub_dcn31_reset(struct dmub_srv *dmub)
 		}
 
 		for (i = 0; i < timeout; ++i) {
-			scratch = dmub->hw_funcs.get_gpint_response(dmub);
+			scratch = REG_READ(DMCUB_SCRATCH7);
 			if (scratch == DMUB_GPINT__STOP_FW_RESPONSE)
 				break;
 
@@ -125,9 +125,14 @@ void dmub_dcn31_reset(struct dmub_srv *dmub)
 		/* Force reset in case we timed out, DMCUB is likely hung. */
 	}
 
-	REG_UPDATE(DMCUB_CNTL2, DMCUB_SOFT_RESET, 1);
-	REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
-	REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1);
+	REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_enabled);
+
+	if (is_enabled) {
+		REG_UPDATE(DMCUB_CNTL2, DMCUB_SOFT_RESET, 1);
+		REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1);
+		REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
+	}
+
 	REG_WRITE(DMCUB_INBOX1_RPTR, 0);
 	REG_WRITE(DMCUB_INBOX1_WPTR, 0);
 	REG_WRITE(DMCUB_OUTBOX1_RPTR, 0);
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c
index e5e77bd3c31e..01d013a12b94 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c
@@ -88,7 +88,7 @@ static inline void dmub_dcn35_translate_addr(const union dmub_addr *addr_in,
 void dmub_dcn35_reset(struct dmub_srv *dmub)
 {
 	union dmub_gpint_data_register cmd;
-	const uint32_t timeout = 100;
+	const uint32_t timeout = 100000;
 	uint32_t in_reset, is_enabled, scratch, i, pwait_mode;
 
 	REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &in_reset);
@@ -113,7 +113,7 @@ void dmub_dcn35_reset(struct dmub_srv *dmub)
 		}
 
 		for (i = 0; i < timeout; ++i) {
-			scratch = dmub->hw_funcs.get_gpint_response(dmub);
+			scratch = REG_READ(DMCUB_SCRATCH7);
 			if (scratch == DMUB_GPINT__STOP_FW_RESPONSE)
 				break;
 
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c
index 39a8cb6d7523..e1c4fe1c6e3e 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c
@@ -63,8 +63,10 @@ static inline void dmub_dcn401_translate_addr(const union dmub_addr *addr_in,
 void dmub_dcn401_reset(struct dmub_srv *dmub)
 {
 	union dmub_gpint_data_register cmd;
-	const uint32_t timeout = 30;
-	uint32_t in_reset, scratch, i;
+	const uint32_t timeout_us = 1 * 1000 * 1000; //1s
+	const uint32_t poll_delay_us = 1; //1us
+	uint32_t i = 0;
+	uint32_t in_reset, scratch, pwait_mode;
 
 	REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &in_reset);
 
@@ -75,32 +77,35 @@ void dmub_dcn401_reset(struct dmub_srv *dmub)
 
 		dmub->hw_funcs.set_gpint(dmub, cmd);
 
-		/**
-		 * Timeout covers both the ACK and the wait
-		 * for remaining work to finish.
-		 *
-		 * This is mostly bound by the PHY disable sequence.
-		 * Each register check will be greater than 1us, so
-		 * don't bother using udelay.
-		 */
-
-		for (i = 0; i < timeout; ++i) {
+		for (i = 0; i < timeout_us; i++) {
 			if (dmub->hw_funcs.is_gpint_acked(dmub, cmd))
 				break;
+
+			udelay(poll_delay_us);
 		}
 
-		for (i = 0; i < timeout; ++i) {
+		for (; i < timeout_us; i++) {
 			scratch = dmub->hw_funcs.get_gpint_response(dmub);
 			if (scratch == DMUB_GPINT__STOP_FW_RESPONSE)
 				break;
+
+			udelay(poll_delay_us);
 		}
 
-		/* Force reset in case we timed out, DMCUB is likely hung. */
+		for (; i < timeout_us; i++) {
+			REG_GET(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS, &pwait_mode);
+			if (pwait_mode & (1 << 0))
+				break;
+
+			udelay(poll_delay_us);
+		}
+	}
+
+	if (i >= timeout_us) {
+		/* timeout should never occur */
+		BREAK_TO_DEBUGGER();
 	}
 
-	REG_UPDATE(DMCUB_CNTL2, DMCUB_SOFT_RESET, 1);
-	REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
-	REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1);
 	REG_WRITE(DMCUB_INBOX1_RPTR, 0);
 	REG_WRITE(DMCUB_INBOX1_WPTR, 0);
 	REG_WRITE(DMCUB_OUTBOX1_RPTR, 0);
@@ -131,7 +136,10 @@ void dmub_dcn401_backdoor_load(struct dmub_srv *dmub,
 
 	dmub_dcn401_get_fb_base_offset(dmub, &fb_base, &fb_offset);
 
+	/* reset and disable DMCUB and MMHUBBUB DMUIF */
 	REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1);
+	REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1);
+	REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
 
 	dmub_dcn401_translate_addr(&cw0->offset, fb_base, fb_offset, &offset);
 
@@ -151,6 +159,7 @@ void dmub_dcn401_backdoor_load(struct dmub_srv *dmub,
 			DMCUB_REGION3_CW1_TOP_ADDRESS, cw1->region.top,
 			DMCUB_REGION3_CW1_ENABLE, 1);
 
+	/* release DMCUB reset only to prevent premature execution */
 	REG_UPDATE_2(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 0, DMCUB_MEM_UNIT_ID,
 			0x20);
 }
@@ -161,7 +170,10 @@ void dmub_dcn401_backdoor_load_zfb_mode(struct dmub_srv *dmub,
 {
 	union dmub_addr offset;
 
+	/* reset and disable DMCUB and MMHUBBUB DMUIF */
 	REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1);
+	REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1);
+	REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
 
 	offset = cw0->offset;
 
@@ -181,6 +193,7 @@ void dmub_dcn401_backdoor_load_zfb_mode(struct dmub_srv *dmub,
 			DMCUB_REGION3_CW1_TOP_ADDRESS, cw1->region.top,
 			DMCUB_REGION3_CW1_ENABLE, 1);
 
+	/* release DMCUB reset only to prevent premature execution */
 	REG_UPDATE_2(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 0, DMCUB_MEM_UNIT_ID,
 			0x20);
 }
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h
index 4c8843b79695..31f95b27e227 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.h
@@ -169,7 +169,8 @@ struct dmub_srv;
 	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_EN) \
 	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_ACK) \
 	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_STAT) \
-	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_EN)
+	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_EN) \
+	DMUB_SF(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS)
 
 struct dmub_srv_dcn401_reg_offset {
 #define DMUB_SR(reg) uint32_t reg;
diff --git a/drivers/gpu/drm/amd/display/include/logger_interface.h b/drivers/gpu/drm/amd/display/include/logger_interface.h
index 058f882d5bdd..4c01514b926c 100644
--- a/drivers/gpu/drm/amd/display/include/logger_interface.h
+++ b/drivers/gpu/drm/amd/display/include/logger_interface.h
@@ -40,11 +40,6 @@ struct dc_state;
  *
  */
 
-void pre_surface_trace(
-		struct dc *dc,
-		const struct dc_plane_state *const *plane_states,
-		int surface_count);
-
 void update_surface_trace(
 		struct dc *dc,
 		const struct dc_surface_update *updates,