Merge drm/drm-next into drm-misc-next

Kickstart 6.14 cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

95 files changed, 803 insertions, 942 deletions

diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
index df17e79c45c7..11e3f2f3b174 100644
--- a/drivers/gpu/drm/amd/display/Kconfig
+++ b/drivers/gpu/drm/amd/display/Kconfig
@@ -7,20 +7,21 @@ menu "Display Engine Configuration"
 config DRM_AMD_DC
 	bool "AMD DC - Enable new display engine"
 	default y
-	depends on BROKEN || !CC_IS_CLANG || ARM64 || RISCV || SPARC64 || X86_64
+	depends on BROKEN || !CC_IS_CLANG || ARM64 || LOONGARCH || RISCV || SPARC64 || X86_64
 	select SND_HDA_COMPONENT if SND_HDA_CORE
 	# !CC_IS_CLANG: https://github.com/ClangBuiltLinux/linux/issues/1752
-	select DRM_AMD_DC_FP if ARCH_HAS_KERNEL_FPU_SUPPORT && !(CC_IS_CLANG && (ARM64 || RISCV))
+	select DRM_AMD_DC_FP if ARCH_HAS_KERNEL_FPU_SUPPORT && !(CC_IS_CLANG && (ARM64 || LOONGARCH || RISCV))
 	help
 	  Choose this option if you want to use the new display engine
 	  support for AMDGPU. This adds required support for Vega and
 	  Raven ASICs.
 
-	  calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 || ARM64)
-	  architectures built with Clang (all released versions), whereby the stack
-	  frame gets blown up to well over 5k.  This would cause an immediate kernel
-	  panic on most architectures.  We'll revert this when the following bug report
-	  has been resolved: https://github.com/llvm/llvm-project/issues/41896.
+	  calculate_bandwidth() is presently broken on all !(X86_64 || SPARC64 ||
+	  ARM64 || LOONGARCH || RISCV) architectures built with Clang (all released
+	  versions), whereby the stack frame gets blown up to well over 5k.  This
+	  would cause an immediate kernel panic on most architectures.  We'll revert
+	  this when the following bug report has been resolved:
+	  https://github.com/llvm/llvm-project/issues/41896.
 
 config DRM_AMD_DC_FP
 	def_bool n
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 a0bcc62f280f..19a58630e774 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1308,6 +1308,29 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 	DRM_INFO("DMUB hardware initialized: version=0x%08X\n",
 		 adev->dm.dmcub_fw_version);
 
+	/* Keeping sanity checks off if
+	 * DCN31 >= 4.0.59.0
+	 * DCN314 >= 8.0.16.0
+	 * Otherwise, turn on sanity checks
+	 */
+	switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) {
+	case IP_VERSION(3, 1, 2):
+	case IP_VERSION(3, 1, 3):
+		if (adev->dm.dmcub_fw_version &&
+			adev->dm.dmcub_fw_version >= DMUB_FW_VERSION(4, 0, 0) &&
+			adev->dm.dmcub_fw_version < DMUB_FW_VERSION(4, 0, 59))
+				adev->dm.dc->debug.sanity_checks = true;
+		break;
+	case IP_VERSION(3, 1, 4):
+		if (adev->dm.dmcub_fw_version &&
+			adev->dm.dmcub_fw_version >= DMUB_FW_VERSION(4, 0, 0) &&
+			adev->dm.dmcub_fw_version < DMUB_FW_VERSION(8, 0, 16))
+				adev->dm.dc->debug.sanity_checks = true;
+		break;
+	default:
+		break;
+	}
+
 	return 0;
 }
 
@@ -3171,8 +3194,7 @@ static int dm_resume(struct amdgpu_ip_block *ip_block)
 	struct dm_atomic_state *dm_state = to_dm_atomic_state(dm->atomic_obj.state);
 	enum dc_connection_type new_connection_type = dc_connection_none;
 	struct dc_state *dc_state;
-	int i, r, j, ret;
-	bool need_hotplug = false;
+	int i, r, j;
 	struct dc_commit_streams_params commit_params = {};
 
 	if (dm->dc->caps.ips_support) {
@@ -3361,23 +3383,16 @@ static int dm_resume(struct amdgpu_ip_block *ip_block)
 		    aconnector->mst_root)
 			continue;
 
-		ret = drm_dp_mst_topology_mgr_resume(&aconnector->mst_mgr, true);
-
-		if (ret < 0) {
-			dm_helpers_dp_mst_stop_top_mgr(aconnector->dc_link->ctx,
-					aconnector->dc_link);
-			need_hotplug = true;
-		}
+		drm_dp_mst_topology_queue_probe(&aconnector->mst_mgr);
 	}
 	drm_connector_list_iter_end(&iter);
 
-	if (need_hotplug)
-		drm_kms_helper_hotplug_event(ddev);
-
 	amdgpu_dm_irq_resume_late(adev);
 
 	amdgpu_dm_smu_write_watermarks_table(adev);
 
+	drm_kms_helper_hotplug_event(ddev);
+
 	return 0;
 }
 
@@ -4654,7 +4669,12 @@ static void amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm,
 		if (!rc)
 			DRM_DEBUG("DM: Failed to update backlight via AUX on eDP[%d]\n", bl_idx);
 	} else {
-		rc = dc_link_set_backlight_level(link, brightness, 0);
+		struct set_backlight_level_params backlight_level_params = { 0 };
+
+		backlight_level_params.backlight_pwm_u16_16 = brightness;
+		backlight_level_params.transition_time_in_ms = 0;
+
+		rc = dc_link_set_backlight_level(link, &backlight_level_params);
 		if (!rc)
 			DRM_DEBUG("DM: Failed to update backlight on eDP[%d]\n", bl_idx);
 	}
@@ -6799,7 +6819,7 @@ create_stream_for_sink(struct drm_connector *connector,
 		if (stream->out_transfer_func.tf == TRANSFER_FUNCTION_GAMMA22)
 			tf = TRANSFER_FUNC_GAMMA_22;
 		mod_build_vsc_infopacket(stream, &stream->vsc_infopacket, stream->output_color_space, tf);
-		aconnector->psr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY;
+		aconnector->sr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY;
 
 	}
 finish:
@@ -7332,10 +7352,15 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 	const struct drm_connector_state *drm_state = dm_state ? &dm_state->base : NULL;
 	int requested_bpc = drm_state ? drm_state->max_requested_bpc : 8;
 	enum dc_status dc_result = DC_OK;
+	uint8_t bpc_limit = 6;
 
 	if (!dm_state)
 		return NULL;
 
+	if (aconnector->dc_link->connector_signal == SIGNAL_TYPE_HDMI_TYPE_A ||
+	    aconnector->dc_link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER)
+		bpc_limit = 8;
+
 	do {
 		stream = create_stream_for_sink(connector, drm_mode,
 						dm_state, old_stream,
@@ -7356,11 +7381,12 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 			dc_result = dm_validate_stream_and_context(adev->dm.dc, stream);
 
 		if (dc_result != DC_OK) {
-			DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d (%s)\n",
+			DRM_DEBUG_KMS("Mode %dx%d (clk %d) pixel_encoding:%s color_depth:%s failed validation -- %s\n",
 				      drm_mode->hdisplay,
 				      drm_mode->vdisplay,
 				      drm_mode->clock,
-				      dc_result,
+				      dc_pixel_encoding_to_str(stream->timing.pixel_encoding),
+				      dc_color_depth_to_str(stream->timing.display_color_depth),
 				      dc_status_to_str(dc_result));
 
 			dc_stream_release(stream);
@@ -7368,10 +7394,13 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 			requested_bpc -= 2; /* lower bpc to retry validation */
 		}
 
-	} while (stream == NULL && requested_bpc >= 6);
+	} while (stream == NULL && requested_bpc >= bpc_limit);
 
-	if (dc_result == DC_FAIL_ENC_VALIDATE && !aconnector->force_yuv420_output) {
-		DRM_DEBUG_KMS("Retry forcing YCbCr420 encoding\n");
+	if ((dc_result == DC_FAIL_ENC_VALIDATE ||
+	     dc_result == DC_EXCEED_DONGLE_CAP) &&
+	     !aconnector->force_yuv420_output) {
+		DRM_DEBUG_KMS("%s:%d Retry forcing yuv420 encoding\n",
+				     __func__, __LINE__);
 
 		aconnector->force_yuv420_output = true;
 		stream = create_validate_stream_for_sink(aconnector, drm_mode,
@@ -8894,6 +8923,56 @@ static void amdgpu_dm_update_cursor(struct drm_plane *plane,
 	}
 }
 
+static void amdgpu_dm_enable_self_refresh(struct amdgpu_crtc *acrtc_attach,
+					  const struct dm_crtc_state *acrtc_state,
+					  const u64 current_ts)
+{
+	struct psr_settings *psr = &acrtc_state->stream->link->psr_settings;
+	struct replay_settings *pr = &acrtc_state->stream->link->replay_settings;
+	struct amdgpu_dm_connector *aconn =
+		(struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context;
+
+	if (acrtc_state->update_type > UPDATE_TYPE_FAST) {
+		if (pr->config.replay_supported && !pr->replay_feature_enabled)
+			amdgpu_dm_link_setup_replay(acrtc_state->stream->link, aconn);
+		else if (psr->psr_version != DC_PSR_VERSION_UNSUPPORTED &&
+			     !psr->psr_feature_enabled)
+			if (!aconn->disallow_edp_enter_psr)
+				amdgpu_dm_link_setup_psr(acrtc_state->stream);
+	}
+
+	/* Decrement skip count when SR is enabled and we're doing fast updates. */
+	if (acrtc_state->update_type == UPDATE_TYPE_FAST &&
+	    (psr->psr_feature_enabled || pr->config.replay_supported)) {
+		if (aconn->sr_skip_count > 0)
+			aconn->sr_skip_count--;
+
+		/* Allow SR when skip count is 0. */
+		acrtc_attach->dm_irq_params.allow_sr_entry = !aconn->sr_skip_count;
+
+		/*
+		 * If sink supports PSR SU/Panel Replay, there is no need to rely on
+		 * a vblank event disable request to enable PSR/RP. PSR SU/RP
+		 * can be enabled immediately once OS demonstrates an
+		 * adequate number of fast atomic commits to notify KMD
+		 * of update events. See `vblank_control_worker()`.
+		 */
+		if (acrtc_attach->dm_irq_params.allow_sr_entry &&
+#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
+		    !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) &&
+#endif
+		    (current_ts - psr->psr_dirty_rects_change_timestamp_ns) > 500000000) {
+			if (pr->replay_feature_enabled && !pr->replay_allow_active)
+				amdgpu_dm_replay_enable(acrtc_state->stream, true);
+			if (psr->psr_version >= DC_PSR_VERSION_SU_1 &&
+			    !psr->psr_allow_active && !aconn->disallow_edp_enter_psr)
+				amdgpu_dm_psr_enable(acrtc_state->stream);
+		}
+	} else {
+		acrtc_attach->dm_irq_params.allow_sr_entry = false;
+	}
+}
+
 static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 				    struct drm_device *dev,
 				    struct amdgpu_display_manager *dm,
@@ -9047,7 +9126,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			 * during the PSR-SU was disabled.
 			 */
 			if (acrtc_state->stream->link->psr_settings.psr_version >= DC_PSR_VERSION_SU_1 &&
-			    acrtc_attach->dm_irq_params.allow_psr_entry &&
+			    acrtc_attach->dm_irq_params.allow_sr_entry &&
 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
 			    !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) &&
 #endif
@@ -9222,9 +9301,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			bundle->stream_update.abm_level = &acrtc_state->abm_level;
 
 		mutex_lock(&dm->dc_lock);
-		if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
-				acrtc_state->stream->link->psr_settings.psr_allow_active)
-			amdgpu_dm_psr_disable(acrtc_state->stream);
+		if (acrtc_state->update_type > UPDATE_TYPE_FAST) {
+			if (acrtc_state->stream->link->replay_settings.replay_allow_active)
+				amdgpu_dm_replay_disable(acrtc_state->stream);
+			if (acrtc_state->stream->link->psr_settings.psr_allow_active)
+				amdgpu_dm_psr_disable(acrtc_state->stream);
+		}
 		mutex_unlock(&dm->dc_lock);
 
 		/*
@@ -9265,57 +9347,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			dm_update_pflip_irq_state(drm_to_adev(dev),
 						  acrtc_attach);
 
-		if (acrtc_state->update_type > UPDATE_TYPE_FAST) {
-			if (acrtc_state->stream->link->replay_settings.config.replay_supported &&
-					!acrtc_state->stream->link->replay_settings.replay_feature_enabled) {
-				struct amdgpu_dm_connector *aconn =
-					(struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context;
-				amdgpu_dm_link_setup_replay(acrtc_state->stream->link, aconn);
-			} else if (acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED &&
-					!acrtc_state->stream->link->psr_settings.psr_feature_enabled) {
-
-				struct amdgpu_dm_connector *aconn = (struct amdgpu_dm_connector *)
-					acrtc_state->stream->dm_stream_context;
-
-				if (!aconn->disallow_edp_enter_psr)
-					amdgpu_dm_link_setup_psr(acrtc_state->stream);
-			}
-		}
-
-		/* Decrement skip count when PSR is enabled and we're doing fast updates. */
-		if (acrtc_state->update_type == UPDATE_TYPE_FAST &&
-		    acrtc_state->stream->link->psr_settings.psr_feature_enabled) {
-			struct amdgpu_dm_connector *aconn =
-				(struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context;
-
-			if (aconn->psr_skip_count > 0)
-				aconn->psr_skip_count--;
-
-			/* Allow PSR when skip count is 0. */
-			acrtc_attach->dm_irq_params.allow_psr_entry = !aconn->psr_skip_count;
-
-			/*
-			 * If sink supports PSR SU, there is no need to rely on
-			 * a vblank event disable request to enable PSR. PSR SU
-			 * can be enabled immediately once OS demonstrates an
-			 * adequate number of fast atomic commits to notify KMD
-			 * of update events. See `vblank_control_worker()`.
-			 */
-			if (acrtc_state->stream->link->psr_settings.psr_version >= DC_PSR_VERSION_SU_1 &&
-			    acrtc_attach->dm_irq_params.allow_psr_entry &&
-#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
-			    !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) &&
-#endif
-			    !acrtc_state->stream->link->psr_settings.psr_allow_active &&
-			    !aconn->disallow_edp_enter_psr &&
-			    (timestamp_ns -
-			    acrtc_state->stream->link->psr_settings.psr_dirty_rects_change_timestamp_ns) >
-			    500000000)
-				amdgpu_dm_psr_enable(acrtc_state->stream);
-		} else {
-			acrtc_attach->dm_irq_params.allow_psr_entry = false;
-		}
-
+		amdgpu_dm_enable_self_refresh(acrtc_attach, acrtc_state, timestamp_ns);
 		mutex_unlock(&dm->dc_lock);
 	}
 
@@ -9448,6 +9480,7 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state,
 	bool mode_set_reset_required = false;
 	u32 i;
 	struct dc_commit_streams_params params = {dc_state->streams, dc_state->stream_count};
+	bool set_backlight_level = false;
 
 	/* Disable writeback */
 	for_each_old_connector_in_state(state, connector, old_con_state, i) {
@@ -9567,6 +9600,7 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state,
 			acrtc->hw_mode = new_crtc_state->mode;
 			crtc->hwmode = new_crtc_state->mode;
 			mode_set_reset_required = true;
+			set_backlight_level = true;
 		} else if (modereset_required(new_crtc_state)) {
 			drm_dbg_atomic(dev,
 				       "Atomic commit: RESET. crtc id %d:[%p]\n",
@@ -9618,6 +9652,19 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state,
 				acrtc->otg_inst = status->primary_otg_inst;
 		}
 	}
+
+	/* During boot up and resume the DC layer will reset the panel brightness
+	 * to fix a flicker issue.
+	 * It will cause the dm->actual_brightness is not the current panel brightness
+	 * level. (the dm->brightness is the correct panel level)
+	 * So we set the backlight level with dm->brightness value after set mode
+	 */
+	if (set_backlight_level) {
+		for (i = 0; i < dm->num_of_edps; i++) {
+			if (dm->backlight_dev[i])
+				amdgpu_dm_backlight_set_level(dm, i, dm->brightness[i]);
+		}
+	}
 }
 
 static void dm_set_writeback(struct amdgpu_display_manager *dm,
@@ -12086,7 +12133,7 @@ static int parse_amd_vsdb(struct amdgpu_dm_connector *aconnector,
 			break;
 	}
 
-	while (j < EDID_LENGTH) {
+	while (j < EDID_LENGTH - sizeof(struct amd_vsdb_block)) {
 		struct amd_vsdb_block *amd_vsdb = (struct amd_vsdb_block *)&edid_ext[j];
 		unsigned int ieeeId = (amd_vsdb->ieee_id[2] << 16) | (amd_vsdb->ieee_id[1] << 8) | (amd_vsdb->ieee_id[0]);
 
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 25e95775c45c..6464a8378387 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -727,7 +727,7 @@ struct amdgpu_dm_connector {
 	/* Cached display modes */
 	struct drm_display_mode freesync_vid_base;
 
-	int psr_skip_count;
+	int sr_skip_count;
 	bool disallow_edp_enter_psr;
 
 	/* Record progress status of mst*/
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index ffa4d3965b4b..64a041c2af05 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -35,7 +35,7 @@
 #include "amdgpu_dm_trace.h"
 #include "amdgpu_dm_debugfs.h"
 
-#define HPD_DETECTION_PERIOD_uS 5000000
+#define HPD_DETECTION_PERIOD_uS 2000000
 #define HPD_DETECTION_TIME_uS 100000
 
 void amdgpu_dm_crtc_handle_vblank(struct amdgpu_crtc *acrtc)
@@ -252,10 +252,8 @@ static void amdgpu_dm_crtc_vblank_control_worker(struct work_struct *work)
 	else if (dm->active_vblank_irq_count)
 		dm->active_vblank_irq_count--;
 
-	if (dm->active_vblank_irq_count > 0) {
-		DRM_DEBUG_KMS("Allow idle optimizations (MALL): false\n");
+	if (dm->active_vblank_irq_count > 0)
 		dc_allow_idle_optimizations(dm->dc, false);
-	}
 
 	/*
 	 * Control PSR based on vblank requirements from OS
@@ -267,17 +265,14 @@ static void amdgpu_dm_crtc_vblank_control_worker(struct work_struct *work)
 	 * where the SU region is the full hactive*vactive region. See
 	 * fill_dc_dirty_rects().
 	 */
-	if (vblank_work->stream && vblank_work->stream->link) {
+	if (vblank_work->stream && vblank_work->stream->link && vblank_work->acrtc) {
 		amdgpu_dm_crtc_set_panel_sr_feature(
 			vblank_work, vblank_work->enable,
-			vblank_work->acrtc->dm_irq_params.allow_psr_entry ||
-			vblank_work->stream->link->replay_settings.replay_feature_enabled);
+			vblank_work->acrtc->dm_irq_params.allow_sr_entry);
 	}
 
-	if (dm->active_vblank_irq_count == 0) {
-		DRM_DEBUG_KMS("Allow idle optimizations (MALL): true\n");
+	if (dm->active_vblank_irq_count == 0)
 		dc_allow_idle_optimizations(dm->dc, true);
-	}
 
 	mutex_unlock(&dm->dc_lock);
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h
index 5c9303241aeb..6a7ecc1e4602 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h
@@ -33,7 +33,7 @@ struct dm_irq_params {
 	struct mod_vrr_params vrr_params;
 	struct dc_stream_state *stream;
 	int active_planes;
-	bool allow_psr_entry;
+	bool allow_sr_entry;
 	struct mod_freesync_config freesync_config;
 
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
index 0d8498ab9b23..c9a6de110b74 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -3122,7 +3122,7 @@ static enum bp_result bios_parser_get_vram_info(
 		struct dc_vram_info *info)
 {
 	struct bios_parser *bp = BP_FROM_DCB(dcb);
-	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
+	enum bp_result result = BP_RESULT_BADBIOSTABLE;
 	struct atom_common_table_header *header;
 	struct atom_data_revision revision;
 
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
index e93df3d6222e..bc123f1884da 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
@@ -50,12 +50,13 @@
 #include "link.h"
 
 #include "logger_types.h"
+
+
+#include "yellow_carp_offset.h"
 #undef DC_LOGGER
 #define DC_LOGGER \
 	clk_mgr->base.base.ctx->logger
 
-#include "yellow_carp_offset.h"
-
 #define regCLK1_CLK_PLL_REQ			0x0237
 #define regCLK1_CLK_PLL_REQ_BASE_IDX		0
 
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
index 29eff386505a..91d872d6d392 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
@@ -53,9 +53,6 @@
 
 
 #include "logger_types.h"
-#undef DC_LOGGER
-#define DC_LOGGER \
-	clk_mgr->base.base.ctx->logger
 
 
 #define MAX_INSTANCE                                        7
@@ -77,6 +74,9 @@ static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0,
 					{ { 0x0001B200, 0x0242DC00, 0, 0, 0, 0, 0, 0 } },
 					{ { 0x0001B400, 0x0242E000, 0, 0, 0, 0, 0, 0 } } } };
 
+#undef DC_LOGGER
+#define DC_LOGGER \
+	clk_mgr->base.base.ctx->logger
 #define regCLK1_CLK_PLL_REQ			0x0237
 #define regCLK1_CLK_PLL_REQ_BASE_IDX		0
 
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 7d68006137a9..b77333817f18 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
@@ -55,6 +55,7 @@
 #define DC_LOGGER \
 	clk_mgr->base.base.ctx->logger
 
+
 #define regCLK1_CLK_PLL_REQ			0x0237
 #define regCLK1_CLK_PLL_REQ_BASE_IDX		0
 
@@ -132,6 +133,8 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *
 	for (i = 0; i < dc->res_pool->pipe_count; ++i) {
 		struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
 		struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i];
+		struct clk_mgr_internal *clk_mgr_internal = TO_CLK_MGR_INTERNAL(clk_mgr_base);
+		struct dccg *dccg = clk_mgr_internal->dccg;
 		struct pipe_ctx *pipe = safe_to_lower
 			? &context->res_ctx.pipe_ctx[i]
 			: &dc->current_state->res_ctx.pipe_ctx[i];
@@ -148,8 +151,21 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *
 		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);
-		if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) ||
-			!pipe->stream->link_enc) && !stream_changed_otg_dig_on) {
+
+		bool has_active_hpo = false;
+
+		if (old_pipe->stream && new_pipe->stream && old_pipe->stream == new_pipe->stream) {
+			has_active_hpo =  dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(old_pipe) &&
+			dccg->ctx->dc->link_srv->dp_is_128b_132b_signal(new_pipe);
+
+		 }
+
+
+		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)) {
+
+
 			/* This w/a should not trigger when we have a dig active */
 			if (disable) {
 				if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc)
@@ -977,11 +993,8 @@ static void dcn35_exit_low_power_state(struct clk_mgr *clk_mgr_base)
 static bool dcn35_is_ips_supported(struct clk_mgr *clk_mgr_base)
 {
 	struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
-	bool ips_supported = true;
-
-	ips_supported = dcn35_smu_get_ips_supported(clk_mgr) ? true : false;
 
-	return ips_supported;
+	return dcn35_smu_get_ips_supported(clk_mgr) ? true : false;
 }
 
 static void dcn35_init_clocks_fpga(struct clk_mgr *clk_mgr)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 5a12fc75f97f..1dd26d5df6b9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3141,7 +3141,10 @@ static void restore_planes_and_stream_state(
 		return;
 
 	for (i = 0; i < status->plane_count; i++) {
+		/* refcount will always be valid, restore everything else */
+		struct kref refcount = status->plane_states[i]->refcount;
 		*status->plane_states[i] = scratch->plane_states[i];
+		status->plane_states[i]->refcount = refcount;
 	}
 	*stream = scratch->stream_state;
 }
@@ -3835,7 +3838,7 @@ static void commit_planes_for_stream(struct dc *dc,
 	dc_exit_ips_for_hw_access(dc);
 
 	dc_z10_restore(dc);
-	if (update_type == UPDATE_TYPE_FULL)
+	if (update_type == UPDATE_TYPE_FULL && dc->optimized_required)
 		hwss_process_outstanding_hw_updates(dc, dc->current_state);
 
 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
@@ -3862,6 +3865,9 @@ static void commit_planes_for_stream(struct dc *dc,
 		context_clock_trace(dc, context);
 	}
 
+	if (update_type == UPDATE_TYPE_FULL)
+		hwss_wait_for_outstanding_hw_updates(dc, dc->current_state);
+
 	top_pipe_to_program = resource_get_otg_master_for_stream(
 				&context->res_ctx,
 				stream);
@@ -5429,8 +5435,10 @@ bool dc_set_ips_disable(struct dc *dc, unsigned int disable_ips)
 
 void dc_allow_idle_optimizations_internal(struct dc *dc, bool allow, char const *caller_name)
 {
-	if (dc->debug.disable_idle_power_optimizations)
+	if (dc->debug.disable_idle_power_optimizations) {
+		DC_LOG_DEBUG("%s: disabled\n", __func__);
 		return;
+	}
 
 	if (allow != dc->idle_optimizations_allowed)
 		DC_LOG_IPS("%s: allow_idle old=%d new=%d (caller=%s)\n", __func__,
@@ -5447,8 +5455,10 @@ void dc_allow_idle_optimizations_internal(struct dc *dc, bool allow, char const
 		return;
 
 	if (dc->hwss.apply_idle_power_optimizations && dc->clk_mgr != NULL &&
-	    dc->hwss.apply_idle_power_optimizations(dc, allow))
+	    dc->hwss.apply_idle_power_optimizations(dc, allow)) {
 		dc->idle_optimizations_allowed = allow;
+		DC_LOG_DEBUG("%s: %s\n", __func__, allow ? "enabled" : "disabled");
+	}
 }
 
 void dc_exit_ips_for_hw_access_internal(struct dc *dc, const char *caller_name)
@@ -6090,11 +6100,11 @@ struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state
 {
 	struct dc_power_profile profile = { 0 };
 
-	if (!context || !context->clk_mgr || !context->clk_mgr->ctx || !context->clk_mgr->ctx->dc)
+	profile.power_level = !context->bw_ctx.bw.dcn.clk.p_state_change_support;
+	if (!context->clk_mgr || !context->clk_mgr->ctx || !context->clk_mgr->ctx->dc)
 		return profile;
 	struct dc *dc = context->clk_mgr->ctx->dc;
 
-
 	if (dc->res_pool->funcs->get_power_profile)
 		profile.power_level = dc->res_pool->funcs->get_power_profile(context);
 	return profile;
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 801cdbc8117d..af1ea5792560 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
@@ -46,11 +46,6 @@
 			DC_LOG_IF_TRACE(__VA_ARGS__); \
 } while (0)
 
-#define TIMING_TRACE(...) do {\
-	if (dc->debug.timing_trace) \
-		DC_LOG_SYNC(__VA_ARGS__); \
-} while (0)
-
 #define CLOCK_TRACE(...) do {\
 	if (dc->debug.clock_trace) \
 		DC_LOG_BANDWIDTH_CALCS(__VA_ARGS__); \
@@ -306,43 +301,6 @@ void post_surface_trace(struct dc *dc)
 
 }
 
-void context_timing_trace(
-		struct dc *dc,
-		struct resource_context *res_ctx)
-{
-	int i;
-	int h_pos[MAX_PIPES] = {0}, v_pos[MAX_PIPES] = {0};
-	struct crtc_position position;
-	unsigned int underlay_idx = dc->res_pool->underlay_pipe_index;
-	DC_LOGGER_INIT(dc->ctx->logger);
-
-
-	for (i = 0; i < dc->res_pool->pipe_count; i++) {
-		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
-		/* get_position() returns CRTC vertical/horizontal counter
-		 * hence not applicable for underlay pipe
-		 */
-		if (pipe_ctx->stream == NULL || pipe_ctx->pipe_idx == underlay_idx)
-			continue;
-
-		pipe_ctx->stream_res.tg->funcs->get_position(pipe_ctx->stream_res.tg, &position);
-		h_pos[i] = position.horizontal_count;
-		v_pos[i] = position.vertical_count;
-	}
-	for (i = 0; i < dc->res_pool->pipe_count; i++) {
-		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
-
-		if (pipe_ctx->stream == NULL || pipe_ctx->pipe_idx == underlay_idx)
-			continue;
-
-		TIMING_TRACE("OTG_%d   H_tot:%d  V_tot:%d   H_pos:%d  V_pos:%d\n",
-				pipe_ctx->stream_res.tg->inst,
-				pipe_ctx->stream->timing.h_total,
-				pipe_ctx->stream->timing.v_total,
-				h_pos[i], v_pos[i]);
-	}
-}
-
 void context_clock_trace(
 		struct dc *dc,
 		struct dc_state *context)
@@ -434,3 +392,43 @@ char *dc_status_to_str(enum dc_status status)
 
 	return "Unexpected status error";
 }
+
+char *dc_pixel_encoding_to_str(enum dc_pixel_encoding pixel_encoding)
+{
+	switch (pixel_encoding) {
+	case PIXEL_ENCODING_RGB:
+		return "RGB";
+	case PIXEL_ENCODING_YCBCR422:
+		return "YUV422";
+	case PIXEL_ENCODING_YCBCR444:
+		return "YUV444";
+	case PIXEL_ENCODING_YCBCR420:
+		return "YUV420";
+	default:
+		return "Unknown";
+	}
+}
+
+char *dc_color_depth_to_str(enum dc_color_depth color_depth)
+{
+	switch (color_depth) {
+	case COLOR_DEPTH_666:
+		return "6-bpc";
+	case COLOR_DEPTH_888:
+		return "8-bpc";
+	case COLOR_DEPTH_101010:
+		return "10-bpc";
+	case COLOR_DEPTH_121212:
+		return "12-bpc";
+	case COLOR_DEPTH_141414:
+		return "14-bpc";
+	case COLOR_DEPTH_161616:
+		return "16-bpc";
+	case COLOR_DEPTH_999:
+		return "9-bpc";
+	case COLOR_DEPTH_111111:
+		return "11-bpc";
+	default:
+		return "Unknown";
+	}
+}
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 2fdcf8d59b9f..252af83e34a5 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
@@ -312,11 +312,11 @@ void get_mpctree_visual_confirm_color(
 {
 	const struct tg_color pipe_colors[6] = {
 			{MAX_TG_COLOR_VALUE, 0, 0}, /* red */
-			{MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE / 4, 0}, /* orange */
 			{MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE, 0}, /* yellow */
 			{0, MAX_TG_COLOR_VALUE, 0}, /* green */
+			{0, MAX_TG_COLOR_VALUE, MAX_TG_COLOR_VALUE}, /* cyan */
 			{0, 0, MAX_TG_COLOR_VALUE}, /* blue */
-			{MAX_TG_COLOR_VALUE / 2, 0, MAX_TG_COLOR_VALUE / 2}, /* purple */
+			{MAX_TG_COLOR_VALUE, 0, MAX_TG_COLOR_VALUE}, /* magenta */
 	};
 
 	struct pipe_ctx *top_pipe = pipe_ctx;
@@ -898,6 +898,9 @@ void hwss_setup_dpp(union block_sequence_params *params)
 	struct dpp *dpp = pipe_ctx->plane_res.dpp;
 	struct dc_plane_state *plane_state = pipe_ctx->plane_state;
 
+	if (!plane_state)
+		return;
+
 	if (dpp && dpp->funcs->dpp_setup) {
 		// program the input csc
 		dpp->funcs->dpp_setup(dpp,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
index dfdfe22d9e85..457d60eeb486 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
@@ -430,11 +430,10 @@ bool dc_link_get_backlight_level_nits(struct dc_link *link,
 }
 
 bool dc_link_set_backlight_level(const struct dc_link *link,
-		uint32_t backlight_pwm_u16_16,
-		uint32_t frame_ramp)
+		struct set_backlight_level_params *backlight_level_params)
 {
 	return link->dc->link_srv->edp_set_backlight_level(link,
-			backlight_pwm_u16_16, frame_ramp);
+			backlight_level_params);
 }
 
 bool dc_link_set_backlight_level_nits(struct dc_link *link,
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 33125b95c3a1..619fad17de55 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1501,6 +1501,10 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx)
 		res = spl_calculate_scaler_params(spl_in, spl_out);
 		// Convert respective out params from SPL to scaler data
 		translate_SPL_out_params_to_pipe_ctx(pipe_ctx, spl_out);
+
+		/* Ignore scaler failure if pipe context plane is phantom plane */
+		if (!res && plane_state->is_phantom)
+			res = true;
 	} else {
 #endif
 	/* depends on h_active */
@@ -1571,6 +1575,10 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx)
 					&plane_state->scaling_quality);
 	}
 
+	/* Ignore scaler failure if pipe context plane is phantom plane */
+	if (!res && plane_state->is_phantom)
+		res = true;
+
 	if (res && (pipe_ctx->plane_res.scl_data.taps.v_taps != temp.v_taps ||
 		pipe_ctx->plane_res.scl_data.taps.h_taps != temp.h_taps ||
 		pipe_ctx->plane_res.scl_data.taps.v_taps_c != temp.v_taps_c ||
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
index 2597e3fd562b..e006f816ff2f 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c
@@ -265,6 +265,9 @@ struct dc_state *dc_state_create_copy(struct dc_state *src_state)
 	dc_state_copy_internal(new_state, src_state);
 
 #ifdef CONFIG_DRM_AMD_DC_FP
+	new_state->bw_ctx.dml2 = NULL;
+	new_state->bw_ctx.dml2_dc_power_source = NULL;
+
 	if (src_state->bw_ctx.dml2 &&
 			!dml2_create_copy(&new_state->bw_ctx.dml2, src_state->bw_ctx.dml2)) {
 		dc_state_release(new_state);
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 5d233c09d239..55dc482d9b36 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -292,7 +292,9 @@ bool dc_stream_set_cursor_attributes(
 	 * 2. If not subvp high refresh, for single display cases, if resolution is >= 5K and refresh rate < 120hz
 	 * 3. If not subvp high refresh, for multi display cases, if resolution is >= 4K and refresh rate < 120hz
 	 */
-	if (dc->debug.allow_sw_cursor_fallback && attributes->height * attributes->width * 4 > 16384) {
+	if (dc->debug.allow_sw_cursor_fallback &&
+		attributes->height * attributes->width * 4 > 16384 &&
+		!stream->hw_cursor_req) {
 		if (check_subvp_sw_cursor_fallback_req(dc, stream))
 			return false;
 	}
@@ -810,12 +812,12 @@ void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
 			stream->dst.height,
 			stream->output_color_space);
 	DC_LOG_DC(
-			"\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
+			"\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixel_encoding:%s, color_depth:%s\n",
 			stream->timing.pix_clk_100hz / 10,
 			stream->timing.h_total,
 			stream->timing.v_total,
-			stream->timing.pixel_encoding,
-			stream->timing.display_color_depth);
+			dc_pixel_encoding_to_str(stream->timing.pixel_encoding),
+			dc_color_depth_to_str(stream->timing.display_color_depth));
 	DC_LOG_DC(
 			"\tlink: %d\n",
 			stream->link->link_index);
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 6d76dc110d38..104051935884 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -55,7 +55,7 @@ struct aux_payload;
 struct set_config_cmd_payload;
 struct dmub_notification;
 
-#define DC_VER "3.2.306"
+#define DC_VER "3.2.310"
 
 #define MAX_SURFACES 3
 #define MAX_PLANES 6
@@ -225,6 +225,7 @@ struct dc_dmub_caps {
 	bool subvp_psr;
 	bool gecc_enable;
 	uint8_t fams_ver;
+	bool aux_backlight_support;
 };
 
 struct dc_scl_caps {
@@ -868,7 +869,6 @@ struct dc_debug_options {
 	bool sanity_checks;
 	bool max_disp_clk;
 	bool surface_trace;
-	bool timing_trace;
 	bool clock_trace;
 	bool validation_trace;
 	bool bandwidth_calcs_trace;
@@ -1067,6 +1067,7 @@ struct dc_debug_options {
 	unsigned int sharpen_policy;
 	unsigned int scale_to_sharpness_policy;
 	bool skip_full_updated_if_possible;
+	unsigned int enable_oled_edp_power_up_opt;
 };
 
 
@@ -2210,8 +2211,7 @@ void dc_link_edp_panel_backlight_power_on(struct dc_link *link,
  * and 16 bit fractional, where 1.0 is max backlight value.
  */
 bool dc_link_set_backlight_level(const struct dc_link *dc_link,
-		uint32_t backlight_pwm_u16_16,
-		uint32_t frame_ramp);
+		struct set_backlight_level_params *backlight_level_params);
 
 /* Set/get nits-based backlight level of an embedded panel (eDP, LVDS). */
 bool dc_link_set_backlight_level_nits(struct dc_link *link,
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index f0417ee6fcf8..f90fc154549a 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -1013,7 +1013,6 @@ static bool dc_can_pipe_disable_cursor(struct pipe_ctx *pipe_ctx)
 		r2 = test_pipe->plane_res.scl_data.recout;
 		r2_r = r2.x + r2.width;
 		r2_b = r2.y + r2.height;
-		split_pipe = test_pipe;
 
 		/**
 		 * There is another half plane on same layer because of
diff --git a/drivers/gpu/drm/amd/display/dc/dc_spl_translate.c b/drivers/gpu/drm/amd/display/dc/dc_spl_translate.c
index 24aa9df892f3..c8d8e335fa37 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_spl_translate.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_spl_translate.c
@@ -8,13 +8,13 @@
 #include "dcn32/dcn32_dpp.h"
 #include "dcn401/dcn401_dpp.h"
 
-static struct spl_funcs dcn2_spl_funcs = {
+static struct spl_callbacks dcn2_spl_callbacks = {
 	.spl_calc_lb_num_partitions = dscl2_spl_calc_lb_num_partitions,
 };
-static struct spl_funcs dcn32_spl_funcs = {
+static struct spl_callbacks dcn32_spl_callbacks = {
 	.spl_calc_lb_num_partitions = dscl32_spl_calc_lb_num_partitions,
 };
-static struct spl_funcs dcn401_spl_funcs = {
+static struct spl_callbacks dcn401_spl_callbacks = {
 	.spl_calc_lb_num_partitions = dscl401_spl_calc_lb_num_partitions,
 };
 static void populate_splrect_from_rect(struct spl_rect *spl_rect, const struct rect *rect)
@@ -77,16 +77,16 @@ void translate_SPL_in_params_from_pipe_ctx(struct pipe_ctx *pipe_ctx, struct spl
 	// This is used to determine the vtap support
 	switch (plane_state->ctx->dce_version)	{
 	case DCN_VERSION_2_0:
-		spl_in->funcs = &dcn2_spl_funcs;
+		spl_in->callbacks = dcn2_spl_callbacks;
 		break;
 	case DCN_VERSION_3_2:
-		spl_in->funcs = &dcn32_spl_funcs;
+		spl_in->callbacks = dcn32_spl_callbacks;
 		break;
 	case DCN_VERSION_4_01:
-		spl_in->funcs = &dcn401_spl_funcs;
+		spl_in->callbacks = dcn401_spl_callbacks;
 		break;
 	default:
-		spl_in->funcs = &dcn2_spl_funcs;
+		spl_in->callbacks = dcn2_spl_callbacks;
 	}
 	// Make format field from spl_in point to plane_res scl_data format
 	spl_in->basic_in.format = (enum spl_pixel_format)pipe_ctx->plane_res.scl_data.format;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 3401f4c9fb10..edf4df1d03b5 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -180,6 +180,8 @@ struct dc_panel_patch {
 	unsigned int remove_sink_ext_caps;
 	unsigned int disable_colorimetry;
 	uint8_t blankstream_before_otg_off;
+	bool oled_optimize_display_on;
+	unsigned int force_mst_blocked_discovery;
 };
 
 struct dc_edid_caps {
@@ -1302,4 +1304,31 @@ struct dc_commit_streams_params {
 	enum dc_power_source_type power_source;
 };
 
+struct set_backlight_level_params {
+	/* backlight in pwm */
+	uint32_t backlight_pwm_u16_16;
+	/* brightness ramping */
+	uint32_t frame_ramp;
+	/* backlight control type
+	 * 0: PWM backlight control
+	 * 1: VESA AUX backlight control
+	 * 2: AMD AUX backlight control
+	 */
+	enum backlight_control_type control_type;
+	/* backlight in millinits */
+	uint32_t backlight_millinits;
+	/* transition time in ms */
+	uint32_t transition_time_in_ms;
+	/* minimum luminance in nits */
+	uint32_t min_luminance;
+	/* maximum luminance in nits */
+	uint32_t max_luminance;
+	/* minimum backlight in pwm */
+	uint32_t min_backlight_pwm;
+	/* maximum backlight in pwm */
+	uint32_t max_backlight_pwm;
+	/* AUX HW instance */
+	uint8_t aux_inst;
+};
+
 #endif /* DC_TYPES_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c
index 838d72eaa87f..b363f5360818 100644
--- a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c
+++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c
@@ -1392,10 +1392,10 @@ static void dccg35_set_dtbclk_dto(
 
 		/* The recommended programming sequence to enable DTBCLK DTO to generate
 		 * valid pixel HPO DPSTREAM ENCODER, specifies that DTO source select should
-		 * be set only after DTO is enabled
+		 * be set only after DTO is enabled.
+		 * PIPEx_DTO_SRC_SEL should not be programmed during DTBCLK update since OTG may still be on, and the
+		 * programming is handled in program_pix_clk() regardless, so it can be removed from here.
 		 */
-		REG_UPDATE(OTG_PIXEL_RATE_CNTL[params->otg_inst],
-				PIPE_DTO_SRC_SEL[params->otg_inst], 2);
 	} else {
 		switch (params->otg_inst) {
 		case 0:
@@ -1412,9 +1412,12 @@ static void dccg35_set_dtbclk_dto(
 			break;
 		}
 
-		REG_UPDATE_2(OTG_PIXEL_RATE_CNTL[params->otg_inst],
-				DTBCLK_DTO_ENABLE[params->otg_inst], 0,
-				PIPE_DTO_SRC_SEL[params->otg_inst], params->is_hdmi ? 0 : 1);
+		/**
+		 * PIPEx_DTO_SRC_SEL should not be programmed during DTBCLK update since OTG may still be on, and the
+		 * programming is handled in program_pix_clk() regardless, so it can be removed from here.
+		 */
+		REG_UPDATE(OTG_PIXEL_RATE_CNTL[params->otg_inst],
+				DTBCLK_DTO_ENABLE[params->otg_inst], 0);
 
 		REG_WRITE(DTBCLK_DTO_MODULO[params->otg_inst], 0);
 		REG_WRITE(DTBCLK_DTO_PHASE[params->otg_inst], 0);
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
index 5c2825bc9a87..d199e4ed2e59 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
@@ -277,7 +277,6 @@ static void dce110_stream_encoder_dp_set_stream_attribute(
 	uint32_t misc1 = 0;
 	uint32_t h_blank;
 	uint32_t h_back_porch;
-	uint8_t synchronous_clock = 0; /* asynchronous mode */
 	uint8_t colorimetry_bpc;
 	uint8_t dynamic_range_rgb = 0; /*full range*/
 	uint8_t dynamic_range_ycbcr = 1; /*bt709*/
@@ -380,7 +379,6 @@ static void dce110_stream_encoder_dp_set_stream_attribute(
 		break;
 	}
 
-	misc0 = misc0 | synchronous_clock;
 	misc0 = colorimetry_bpc << 5;
 
 	if (REG(DP_MSA_TIMING_PARAM1)) {
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
index db7557a1c613..8a3fbf95c48f 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
@@ -76,7 +76,6 @@ UNP_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH_C__GRPH_PRIMARY_SURFACE_ADDRESS_HIGH_C_MAS
 		mmUNP_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH_C,
 		value);
 
-	temp = 0;
 	value = 0;
 	temp = address.low_part >>
 	UNP_GRPH_PRIMARY_SURFACE_ADDRESS_C__GRPH_PRIMARY_SURFACE_ADDRESS_C__SHIFT;
@@ -112,7 +111,6 @@ UNP_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH_L__GRPH_PRIMARY_SURFACE_ADDRESS_HIGH_L_MAS
 		mmUNP_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH_L,
 		value);
 
-	temp = 0;
 	value = 0;
 	temp = address.low_part >>
 	UNP_GRPH_PRIMARY_SURFACE_ADDRESS_L__GRPH_PRIMARY_SURFACE_ADDRESS_L__SHIFT;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c
index 05df502a54f2..88cf47a5ea75 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c
@@ -46,7 +46,7 @@
 #include "clk_mgr.h"
 
 __printf(3, 4)
-unsigned int snprintf_count(char *pbuf, unsigned int bufsize, char *fmt, ...)
+unsigned int snprintf_count(char *pbuf, unsigned int bufsize, const char *fmt, ...)
 {
 	int ret_vsnprintf;
 	unsigned int chars_printed;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c
index 1e1038fb04e8..0690c346f2c5 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c
@@ -280,157 +280,6 @@ bool cm3_helper_translate_curve_to_hw_format(
 	return true;
 }
 
-#define NUM_DEGAMMA_REGIONS    12
-
-
-bool cm3_helper_translate_curve_to_degamma_hw_format(
-				const struct dc_transfer_func *output_tf,
-				struct pwl_params *lut_params)
-{
-	struct curve_points3 *corner_points;
-	struct pwl_result_data *rgb_resulted;
-	struct pwl_result_data *rgb;
-	struct pwl_result_data *rgb_plus_1;
-
-	int32_t region_start, region_end;
-	int32_t i;
-	uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
-
-	if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
-		return false;
-
-	corner_points = lut_params->corner_points;
-	rgb_resulted = lut_params->rgb_resulted;
-	hw_points = 0;
-
-	memset(lut_params, 0, sizeof(struct pwl_params));
-	memset(seg_distr, 0, sizeof(seg_distr));
-
-	region_start = -NUM_DEGAMMA_REGIONS;
-	region_end   = 0;
-
-
-	for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
-		seg_distr[i] = -1;
-	/* 12 segments
-	 * segments are from 2^-12 to 0
-	 */
-	for (i = 0; i < NUM_DEGAMMA_REGIONS ; i++)
-		seg_distr[i] = 4;
-
-	for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
-		if (seg_distr[k] != -1)
-			hw_points += (1 << seg_distr[k]);
-	}
-
-	j = 0;
-	for (k = 0; k < (region_end - region_start); k++) {
-		increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
-		start_index = (region_start + k + MAX_LOW_POINT) *
-				NUMBER_SW_SEGMENTS;
-		for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
-				i += increment) {
-			if (j == hw_points - 1)
-				break;
-			if (i >= TRANSFER_FUNC_POINTS)
-				return false;
-			rgb_resulted[j].red = output_tf->tf_pts.red[i];
-			rgb_resulted[j].green = output_tf->tf_pts.green[i];
-			rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
-			j++;
-		}
-	}
-
-	/* last point */
-	start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
-	rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
-	rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
-	rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
-
-	corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
-					     dc_fixpt_from_int(region_start));
-	corner_points[0].green.x = corner_points[0].red.x;
-	corner_points[0].blue.x = corner_points[0].red.x;
-	corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
-					     dc_fixpt_from_int(region_end));
-	corner_points[1].green.x = corner_points[1].red.x;
-	corner_points[1].blue.x = corner_points[1].red.x;
-
-	corner_points[0].red.y = rgb_resulted[0].red;
-	corner_points[0].green.y = rgb_resulted[0].green;
-	corner_points[0].blue.y = rgb_resulted[0].blue;
-
-	/* see comment above, m_arrPoints[1].y should be the Y value for the
-	 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
-	 */
-	corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
-	corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
-	corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
-	corner_points[1].red.slope = dc_fixpt_zero;
-	corner_points[1].green.slope = dc_fixpt_zero;
-	corner_points[1].blue.slope = dc_fixpt_zero;
-
-	if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
-		/* for PQ, we want to have a straight line from last HW X point,
-		 * and the slope to be such that we hit 1.0 at 10000 nits.
-		 */
-		const struct fixed31_32 end_value =
-				dc_fixpt_from_int(125);
-
-		corner_points[1].red.slope = dc_fixpt_div(
-			dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
-			dc_fixpt_sub(end_value, corner_points[1].red.x));
-		corner_points[1].green.slope = dc_fixpt_div(
-			dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
-			dc_fixpt_sub(end_value, corner_points[1].green.x));
-		corner_points[1].blue.slope = dc_fixpt_div(
-			dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
-			dc_fixpt_sub(end_value, corner_points[1].blue.x));
-	}
-
-	lut_params->hw_points_num = hw_points;
-
-	k = 0;
-	for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
-		if (seg_distr[k] != -1) {
-			lut_params->arr_curve_points[k].segments_num =
-					seg_distr[k];
-			lut_params->arr_curve_points[i].offset =
-					lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
-		}
-		k++;
-	}
-
-	if (seg_distr[k] != -1)
-		lut_params->arr_curve_points[k].segments_num = seg_distr[k];
-
-	rgb = rgb_resulted;
-	rgb_plus_1 = rgb_resulted + 1;
-
-	i = 1;
-	while (i != hw_points + 1) {
-		if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
-			rgb_plus_1->red = rgb->red;
-		if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
-			rgb_plus_1->green = rgb->green;
-		if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
-			rgb_plus_1->blue = rgb->blue;
-
-		rgb->delta_red   = dc_fixpt_sub(rgb_plus_1->red,   rgb->red);
-		rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
-		rgb->delta_blue  = dc_fixpt_sub(rgb_plus_1->blue,  rgb->blue);
-
-		++rgb_plus_1;
-		++rgb;
-		++i;
-	}
-	cm3_helper_convert_to_custom_float(rgb_resulted,
-						lut_params->corner_points,
-						hw_points, false);
-
-	return true;
-}
-
 bool cm3_helper_convert_to_custom_float(
 		struct pwl_result_data *rgb_resulted,
 		struct curve_points3 *corner_points,
diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_stream_encoder.c
index f496e952ceec..d01a8b8f9595 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn10/dcn10_stream_encoder.c
@@ -255,7 +255,6 @@ void enc1_stream_encoder_dp_set_stream_attribute(
 	uint32_t misc1 = 0;
 	uint32_t h_blank;
 	uint32_t h_back_porch;
-	uint8_t synchronous_clock = 0; /* asynchronous mode */
 	uint8_t colorimetry_bpc;
 	uint8_t dp_pixel_encoding = 0;
 	uint8_t dp_component_depth = 0;
@@ -362,7 +361,6 @@ void enc1_stream_encoder_dp_set_stream_attribute(
 		break;
 	}
 
-	misc0 = misc0 | synchronous_clock;
 	misc0 = colorimetry_bpc << 5;
 
 	switch (output_color_space) {
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 0a27e0942a12..098c2a01a850 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
@@ -447,7 +447,6 @@ void enc401_stream_encoder_dp_set_stream_attribute(
 	uint32_t misc1 = 0;
 	uint32_t h_blank;
 	uint32_t h_back_porch;
-	uint8_t synchronous_clock = 0; /* asynchronous mode */
 	uint8_t colorimetry_bpc;
 	uint8_t dp_pixel_encoding = 0;
 	uint8_t dp_component_depth = 0;
@@ -603,7 +602,6 @@ void enc401_stream_encoder_dp_set_stream_attribute(
 		break;
 	}
 
-	misc0 = misc0 | synchronous_clock;
 	misc0 = colorimetry_bpc << 5;
 
 	switch (output_color_space) {
diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h
index 9405c47ee2a9..f81e5a4e1d6d 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_services.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_services.h
@@ -143,7 +143,7 @@ void generic_reg_wait(const struct dc_context *ctx,
 	unsigned int delay_between_poll_us, unsigned int time_out_num_tries,
 	const char *func_name, int line);
 
-unsigned int snprintf_count(char *pBuf, unsigned int bufSize, char *fmt, ...);
+unsigned int snprintf_count(char *pBuf, unsigned int bufSize, const char *fmt, ...);
 
 /* These macros need to be used with soc15 registers in order to retrieve
  * the actual offset.
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
index 7a01a956e4bb..138b4b1e42ed 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
@@ -859,7 +859,7 @@ static void populate_dml21_plane_config_from_plane_state(struct dml2_context *dm
 	plane->immediate_flip = plane_state->flip_immediate;
 
 	plane->composition.rect_out_height_spans_vactive =
-		plane_state->dst_rect.height >= stream->timing.v_addressable &&
+		plane_state->dst_rect.height >= stream->src.height &&
 		stream->dst.height >= stream->timing.v_addressable;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/inc/dml_top_dchub_registers.h b/drivers/gpu/drm/amd/display/dc/dml2/dml21/inc/dml_top_dchub_registers.h
index 83fc15bf13cf..25b607e7b726 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/inc/dml_top_dchub_registers.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/inc/dml_top_dchub_registers.h
@@ -88,6 +88,7 @@ struct dml2_display_arb_regs {
 	uint32_t sdpif_request_rate_limit;
 	uint32_t allow_sdpif_rate_limit_when_cstate_req;
 	uint32_t dcfclk_deep_sleep_hysteresis;
+	uint32_t pstate_stall_threshold;
 };
 
 struct dml2_cursor_dlg_regs{
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 3ea54fd52e46..601320b1be81 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
@@ -11,6 +11,7 @@
 
 #define DML2_MAX_FMT_420_BUFFER_WIDTH 4096
 #define DML_MAX_NUM_OF_SLICES_PER_DSC 4
+#define ALLOW_SDPIF_RATE_LIMIT_PRE_CSTATE
 
 const char *dml2_core_internal_bw_type_str(enum dml2_core_internal_bw_type bw_type)
 {
@@ -3886,6 +3887,10 @@ static void CalculateSwathAndDETConfiguration(struct dml2_core_internal_scratch
 #endif
 
 	*p->hw_debug5 = false;
+#ifdef ALLOW_SDPIF_RATE_LIMIT_PRE_CSTATE
+	if (p->NumberOfActiveSurfaces > 1)
+		*p->hw_debug5 = true;
+#else
 	for (unsigned int k = 0; k < p->NumberOfActiveSurfaces; ++k) {
 		if (!(p->mrq_present) && (!(*p->UnboundedRequestEnabled)) && (TotalActiveDPP == 1)
 			&& p->display_cfg->plane_descriptors[k].surface.dcc.enable
@@ -3901,6 +3906,7 @@ static void CalculateSwathAndDETConfiguration(struct dml2_core_internal_scratch
 		dml2_printf("DML::%s: k=%u hw_debug5 = %u\n", __func__, k, *p->hw_debug5);
 #endif
 	}
+#endif
 }
 
 static enum dml2_odm_mode DecideODMMode(unsigned int HActive,
@@ -12236,6 +12242,8 @@ static void rq_dlg_get_dlg_reg(
 
 static void rq_dlg_get_arb_params(const struct dml2_display_cfg *display_cfg, const struct dml2_core_internal_display_mode_lib *mode_lib, struct dml2_display_arb_regs *arb_param)
 {
+	double refclk_freq_in_mhz = (display_cfg->overrides.hw.dlg_ref_clk_mhz > 0) ? (double)display_cfg->overrides.hw.dlg_ref_clk_mhz : mode_lib->soc.dchub_refclk_mhz;
+
 	arb_param->max_req_outstanding = mode_lib->soc.max_outstanding_reqs;
 	arb_param->min_req_outstanding = mode_lib->soc.max_outstanding_reqs; // turn off the sat level feature if this set to max
 	arb_param->sdpif_request_rate_limit = (3 * mode_lib->ip.words_per_channel * mode_lib->soc.clk_table.dram_config.channel_count) / 4;
@@ -12247,6 +12255,7 @@ static void rq_dlg_get_arb_params(const struct dml2_display_cfg *display_cfg, co
 	arb_param->compbuf_size = mode_lib->mp.CompressedBufferSizeInkByte / mode_lib->ip.compressed_buffer_segment_size_in_kbytes;
 	arb_param->allow_sdpif_rate_limit_when_cstate_req = dml_get_hw_debug5(mode_lib);
 	arb_param->dcfclk_deep_sleep_hysteresis = dml_get_dcfclk_deep_sleep_hysteresis(mode_lib);
+	arb_param->pstate_stall_threshold = (unsigned int)(mode_lib->ip_caps.fams2.max_allow_delay_us * refclk_freq_in_mhz);
 
 #ifdef __DML_VBA_DEBUG__
 	dml2_printf("DML::%s: max_req_outstanding = %d\n", __func__, arb_param->max_req_outstanding);
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c
index 5a09dd298e6f..92269f0e50ed 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c
@@ -8,6 +8,7 @@
 #include "dml2_pmo_dcn4_fams2.h"
 
 static const double MIN_VACTIVE_MARGIN_PCT = 0.25; // We need more than non-zero margin because DET buffer granularity can alter vactive latency hiding
+static const double MIN_BLANK_STUTTER_FACTOR = 3.0;
 
 static const struct dml2_pmo_pstate_strategy base_strategy_list_1_display[] = {
 	// VActive Preferred
@@ -2140,6 +2141,7 @@ bool pmo_dcn4_fams2_init_for_stutter(struct dml2_pmo_init_for_stutter_in_out *in
 	struct dml2_pmo_instance *pmo = in_out->instance;
 	bool stutter_period_meets_z8_eco = true;
 	bool z8_stutter_optimization_too_expensive = false;
+	bool stutter_optimization_too_expensive = false;
 	double line_time_us, vblank_nom_time_us;
 
 	unsigned int i;
@@ -2161,10 +2163,15 @@ bool pmo_dcn4_fams2_init_for_stutter(struct dml2_pmo_init_for_stutter_in_out *in
 		line_time_us = (double)in_out->base_display_config->display_config.stream_descriptors[i].timing.h_total / (in_out->base_display_config->display_config.stream_descriptors[i].timing.pixel_clock_khz * 1000) * 1000000;
 		vblank_nom_time_us = line_time_us * in_out->base_display_config->display_config.stream_descriptors[i].timing.vblank_nom;
 
-		if (vblank_nom_time_us < pmo->soc_bb->power_management_parameters.z8_stutter_exit_latency_us) {
+		if (vblank_nom_time_us < pmo->soc_bb->power_management_parameters.z8_stutter_exit_latency_us * MIN_BLANK_STUTTER_FACTOR) {
 			z8_stutter_optimization_too_expensive = true;
 			break;
 		}
+
+		if (vblank_nom_time_us < pmo->soc_bb->power_management_parameters.stutter_enter_plus_exit_latency_us * MIN_BLANK_STUTTER_FACTOR) {
+			stutter_optimization_too_expensive = true;
+			break;
+		}
 	}
 
 	pmo->scratch.pmo_dcn4.num_stutter_candidates = 0;
@@ -2180,7 +2187,7 @@ bool pmo_dcn4_fams2_init_for_stutter(struct dml2_pmo_init_for_stutter_in_out *in
 		pmo->scratch.pmo_dcn4.z8_vblank_optimizable = false;
 	}
 
-	if (pmo->soc_bb->power_management_parameters.stutter_enter_plus_exit_latency_us > 0) {
+	if (!stutter_optimization_too_expensive && pmo->soc_bb->power_management_parameters.stutter_enter_plus_exit_latency_us > 0) {
 		pmo->scratch.pmo_dcn4.optimal_vblank_reserved_time_for_stutter_us[pmo->scratch.pmo_dcn4.num_stutter_candidates] = (unsigned int)pmo->soc_bb->power_management_parameters.stutter_enter_plus_exit_latency_us;
 		pmo->scratch.pmo_dcn4.num_stutter_candidates++;
 	}
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 6eccf0241d85..1ed21c1b86a5 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
@@ -258,12 +258,25 @@ static unsigned int find_preferred_pipe_candidates(const struct dc_state *existi
 	 * However this condition comes with a caveat. We need to ignore pipes that will
 	 * require a change in OPP but still have the same stream id. For example during
 	 * an MPC to ODM transiton.
+	 *
+	 * Adding check to avoid pipe select on the head pipe by utilizing dc resource
+	 * helper function resource_get_primary_dpp_pipe and comparing the pipe index.
 	 */
 	if (existing_state) {
 		for (i = 0; i < pipe_count; i++) {
 			if (existing_state->res_ctx.pipe_ctx[i].stream && existing_state->res_ctx.pipe_ctx[i].stream->stream_id == stream_id) {
+				struct pipe_ctx *head_pipe =
+					resource_is_pipe_type(&existing_state->res_ctx.pipe_ctx[i], DPP_PIPE) ?
+						resource_get_primary_dpp_pipe(&existing_state->res_ctx.pipe_ctx[i]) :
+							NULL;
+
+				// we should always respect the head pipe from selection
+				if (head_pipe && head_pipe->pipe_idx == i)
+					continue;
 				if (existing_state->res_ctx.pipe_ctx[i].plane_res.hubp &&
-					existing_state->res_ctx.pipe_ctx[i].plane_res.hubp->opp_id != i)
+					existing_state->res_ctx.pipe_ctx[i].plane_res.hubp->opp_id != i &&
+						(existing_state->res_ctx.pipe_ctx[i].prev_odm_pipe ||
+						existing_state->res_ctx.pipe_ctx[i].next_odm_pipe))
 					continue;
 
 				preferred_pipe_candidates[num_preferred_candidates++] = i;
@@ -292,6 +305,14 @@ static unsigned int find_last_resort_pipe_candidates(const struct dc_state *exis
 	 */
 	if (existing_state) {
 		for (i  = 0; i < pipe_count; i++) {
+			struct pipe_ctx *head_pipe =
+				resource_is_pipe_type(&existing_state->res_ctx.pipe_ctx[i], DPP_PIPE) ?
+					resource_get_primary_dpp_pipe(&existing_state->res_ctx.pipe_ctx[i]) :
+						NULL;
+
+			// we should always respect the head pipe from selection
+			if (head_pipe && head_pipe->pipe_idx == i)
+				continue;
 			if ((existing_state->res_ctx.pipe_ctx[i].plane_res.hubp &&
 				existing_state->res_ctx.pipe_ctx[i].plane_res.hubp->opp_id != i) ||
 				existing_state->res_ctx.pipe_ctx[i].stream_res.tg)
diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_dscl.c
index 5105fd580017..2f92e7d4981b 100644
--- a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_dscl.c
+++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_dscl.c
@@ -1091,7 +1091,8 @@ void dpp401_dscl_set_scaler_manual_scale(struct dpp *dpp_base,
 		/* ISHARP_DELTA_LUT */
 		dpp401_dscl_set_isharp_filter(dpp, scl_data->dscl_prog_data.isharp_delta);
 		dpp->scl_data.dscl_prog_data.sharpness_level = scl_data->dscl_prog_data.sharpness_level;
-		dpp->scl_data.dscl_prog_data.isharp_delta = scl_data->dscl_prog_data.isharp_delta;
+		memcpy(dpp->scl_data.dscl_prog_data.isharp_delta, scl_data->dscl_prog_data.isharp_delta,
+			sizeof(uint32_t) * ISHARP_LUT_TABLE_SIZE);
 
 		if (memcmp(&dpp->scl_data, scl_data, sizeof(*scl_data)) == 0)
 			return;
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
index ebd5df1a36e8..d9aaebfa3a0a 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
@@ -1093,14 +1093,11 @@ static bool setup_dsc_config(
 	if (!is_dsc_possible)
 		goto done;
 
-	// Final decission: can we do DSC or not?
-	if (is_dsc_possible) {
-		// Fill out the rest of DSC settings
-		dsc_cfg->block_pred_enable = dsc_common_caps.is_block_pred_supported;
-		dsc_cfg->linebuf_depth = dsc_common_caps.lb_bit_depth;
-		dsc_cfg->version_minor = (dsc_common_caps.dsc_version & 0xf0) >> 4;
-		dsc_cfg->is_dp = dsc_sink_caps->is_dp;
-	}
+	/* Fill out the rest of DSC settings */
+	dsc_cfg->block_pred_enable = dsc_common_caps.is_block_pred_supported;
+	dsc_cfg->linebuf_depth = dsc_common_caps.lb_bit_depth;
+	dsc_cfg->version_minor = (dsc_common_caps.dsc_version & 0xf0) >> 4;
+	dsc_cfg->is_dp = dsc_sink_caps->is_dp;
 
 done:
 	if (!is_dsc_possible)
diff --git a/drivers/gpu/drm/amd/display/dc/dwb/dcn30/dcn30_cm_common.h b/drivers/gpu/drm/amd/display/dc/dwb/dcn30/dcn30_cm_common.h
index bd98b327a6c7..b86347c9b038 100644
--- a/drivers/gpu/drm/amd/display/dc/dwb/dcn30/dcn30_cm_common.h
+++ b/drivers/gpu/drm/amd/display/dc/dwb/dcn30/dcn30_cm_common.h
@@ -63,10 +63,6 @@ bool cm3_helper_translate_curve_to_hw_format(
 	const struct dc_transfer_func *output_tf,
 	struct pwl_params *lut_params, bool fixpoint);
 
-bool cm3_helper_translate_curve_to_degamma_hw_format(
-				const struct dc_transfer_func *output_tf,
-				struct pwl_params *lut_params);
-
 bool cm3_helper_convert_to_custom_float(
 		struct pwl_result_data *rgb_resulted,
 		struct curve_points3 *corner_points,
diff --git a/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h b/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h
index a1e2cde9c4cc..9fbd45c7dfef 100644
--- a/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h
@@ -198,6 +198,9 @@ struct dcn_hubbub_registers {
 	uint32_t DCHUBBUB_ARB_REFCYC_PER_META_TRIP_B;
 	uint32_t DCHUBBUB_ARB_FRAC_URG_BW_MALL_A;
 	uint32_t DCHUBBUB_ARB_FRAC_URG_BW_MALL_B;
+	uint32_t DCHUBBUB_TIMEOUT_DETECTION_CTRL1;
+	uint32_t DCHUBBUB_TIMEOUT_DETECTION_CTRL2;
+	uint32_t DCHUBBUB_CTRL_STATUS;
 };
 
 #define HUBBUB_REG_FIELD_LIST_DCN32(type) \
@@ -313,7 +316,17 @@ struct dcn_hubbub_registers {
 		type DCN_VM_ERROR_VMID;\
 		type DCN_VM_ERROR_TABLE_LEVEL;\
 		type DCN_VM_ERROR_PIPE;\
-		type DCN_VM_ERROR_INTERRUPT_STATUS
+		type DCN_VM_ERROR_INTERRUPT_STATUS;\
+		type DCHUBBUB_TIMEOUT_ERROR_STATUS;\
+		type DCHUBBUB_TIMEOUT_REQ_STALL_THRESHOLD;\
+		type DCHUBBUB_TIMEOUT_PSTATE_STALL_THRESHOLD;\
+		type DCHUBBUB_TIMEOUT_DETECTION_EN;\
+		type DCHUBBUB_TIMEOUT_TIMER_RESET;\
+		type ROB_UNDERFLOW_STATUS;\
+		type ROB_OVERFLOW_STATUS;\
+		type ROB_OVERFLOW_CLEAR;\
+		type DCHUBBUB_HW_DEBUG;\
+		type CSTATE_SWATH_CHK_GOOD_MODE
 
 #define HUBBUB_STUTTER_REG_FIELD_LIST(type) \
 		type DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A;\
diff --git a/drivers/gpu/drm/amd/display/dc/hubbub/dcn20/dcn20_hubbub.h b/drivers/gpu/drm/amd/display/dc/hubbub/dcn20/dcn20_hubbub.h
index 036bb3e6c957..46d8f5c70750 100644
--- a/drivers/gpu/drm/amd/display/dc/hubbub/dcn20/dcn20_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/hubbub/dcn20/dcn20_hubbub.h
@@ -96,6 +96,7 @@ struct dcn20_hubbub {
 	unsigned int det1_size;
 	unsigned int det2_size;
 	unsigned int det3_size;
+	bool allow_sdpif_rate_limit_when_cstate_req;
 };
 
 void hubbub2_construct(struct dcn20_hubbub *hubbub,
diff --git a/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.c b/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.c
index 37d26fa0b6fb..92fab471b183 100644
--- a/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.c
+++ b/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.c
@@ -1192,6 +1192,37 @@ static void dcn401_wait_for_det_update(struct hubbub *hubbub, int hubp_inst)
 	}
 }
 
+static bool dcn401_program_arbiter(struct hubbub *hubbub, struct dml2_display_arb_regs *arb_regs, bool safe_to_lower)
+{
+	struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
+
+	bool wm_pending = false;
+	uint32_t temp;
+
+	/* request backpressure and outstanding return threshold (unused)*/
+	//REG_UPDATE(DCHUBBUB_TIMEOUT_DETECTION_CTRL1, DCHUBBUB_TIMEOUT_REQ_STALL_THRESHOLD, arb_regs->req_stall_threshold);
+
+	/* P-State stall threshold */
+	REG_UPDATE(DCHUBBUB_TIMEOUT_DETECTION_CTRL2, DCHUBBUB_TIMEOUT_PSTATE_STALL_THRESHOLD, arb_regs->pstate_stall_threshold);
+
+	if (safe_to_lower || arb_regs->allow_sdpif_rate_limit_when_cstate_req > hubbub2->allow_sdpif_rate_limit_when_cstate_req) {
+		hubbub2->allow_sdpif_rate_limit_when_cstate_req = arb_regs->allow_sdpif_rate_limit_when_cstate_req;
+
+		/* only update the required bits */
+		REG_GET(DCHUBBUB_CTRL_STATUS, DCHUBBUB_HW_DEBUG, &temp);
+		if (hubbub2->allow_sdpif_rate_limit_when_cstate_req) {
+			temp |= (1 << 5);
+		} else {
+			temp &= ~(1 << 5);
+		}
+		REG_UPDATE(DCHUBBUB_CTRL_STATUS, DCHUBBUB_HW_DEBUG, temp);
+	} else {
+		wm_pending = true;
+	}
+
+	return wm_pending;
+}
+
 static const struct hubbub_funcs hubbub4_01_funcs = {
 	.update_dchub = hubbub2_update_dchub,
 	.init_dchub_sys_ctx = hubbub3_init_dchub_sys_ctx,
@@ -1215,6 +1246,7 @@ static const struct hubbub_funcs hubbub4_01_funcs = {
 	.program_det_segments = dcn401_program_det_segments,
 	.program_compbuf_segments = dcn401_program_compbuf_segments,
 	.wait_for_det_update = dcn401_wait_for_det_update,
+	.program_arbiter = dcn401_program_arbiter,
 };
 
 void hubbub401_construct(struct dcn20_hubbub *hubbub2,
diff --git a/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.h b/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.h
index f35f19ba3e18..b1d9ea9d1c3d 100644
--- a/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/hubbub/dcn401/dcn401_hubbub.h
@@ -123,8 +123,17 @@
 	HUBBUB_SF(DCHUBBUB_CLOCK_CNTL, DCFCLK_R_DCHUBBUB_GATE_DIS, mask_sh),\
 	HUBBUB_SF(DCHUBBUB_SDPIF_CFG0, SDPIF_PORT_CONTROL, mask_sh),\
 	HUBBUB_SF(DCHUBBUB_SDPIF_CFG1, SDPIF_MAX_NUM_OUTSTANDING, mask_sh),\
-	HUBBUB_SF(DCHUBBUB_MEM_PWR_MODE_CTRL, DET_MEM_PWR_LS_MODE, mask_sh)
-
+	HUBBUB_SF(DCHUBBUB_MEM_PWR_MODE_CTRL, DET_MEM_PWR_LS_MODE, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_TIMEOUT_DETECTION_CTRL1, DCHUBBUB_TIMEOUT_ERROR_STATUS, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_TIMEOUT_DETECTION_CTRL1, DCHUBBUB_TIMEOUT_REQ_STALL_THRESHOLD, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_TIMEOUT_DETECTION_CTRL2, DCHUBBUB_TIMEOUT_PSTATE_STALL_THRESHOLD, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_TIMEOUT_DETECTION_CTRL2, DCHUBBUB_TIMEOUT_DETECTION_EN, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_TIMEOUT_DETECTION_CTRL2, DCHUBBUB_TIMEOUT_TIMER_RESET, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_CTRL_STATUS, ROB_UNDERFLOW_STATUS, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_CTRL_STATUS, ROB_OVERFLOW_STATUS, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_CTRL_STATUS, ROB_OVERFLOW_CLEAR, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_CTRL_STATUS, DCHUBBUB_HW_DEBUG, mask_sh),\
+	HUBBUB_SF(DCHUBBUB_CTRL_STATUS, CSTATE_SWATH_CHK_GOOD_MODE, mask_sh)
 
 bool hubbub401_program_urgent_watermarks(
 		struct hubbub *hubbub,
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 c31ec44ccd8c..81f4c386c287 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
@@ -1039,7 +1039,8 @@ void dce110_edp_backlight_control(
 	link_transmitter_control(ctx->dc_bios, &cntl);
 
 	if (enable && link->dpcd_sink_ext_caps.bits.oled &&
-	    !link->dc->config.edp_no_power_sequencing) {
+	    !link->dc->config.edp_no_power_sequencing &&
+	    !link->local_sink->edid_caps.panel_patch.oled_optimize_display_on) {
 		post_T7_delay += link->panel_config.pps.extra_post_t7_ms;
 		msleep(post_T7_delay);
 	}
@@ -3142,10 +3143,10 @@ static void dce110_set_cursor_attribute(struct pipe_ctx *pipe_ctx)
 }
 
 bool dce110_set_backlight_level(struct pipe_ctx *pipe_ctx,
-	struct set_backlight_level_params *params)
+	struct set_backlight_level_params *backlight_level_params)
 {
-	uint32_t backlight_pwm_u16_16 = params->backlight_pwm_u16_16;
-	uint32_t frame_ramp = params->frame_ramp;
+	uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16;
+	uint32_t frame_ramp = backlight_level_params->frame_ramp;
 	struct dc_link *link = pipe_ctx->stream->link;
 	struct dc  *dc = link->ctx->dc;
 	struct abm *abm = pipe_ctx->stream_res.abm;
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 05424a9af58b..b029ec1b26d3 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
@@ -1925,9 +1925,9 @@ static void dcn20_program_pipe(
 				dc->res_pool->hubbub, pipe_ctx->plane_res.hubp->inst, pipe_ctx->hubp_regs.det_size);
 	}
 
-	if (pipe_ctx->update_flags.raw ||
-	    (pipe_ctx->plane_state && pipe_ctx->plane_state->update_flags.raw) ||
-	    pipe_ctx->stream->update_flags.raw)
+	if (pipe_ctx->plane_state && (pipe_ctx->update_flags.raw ||
+	    pipe_ctx->plane_state->update_flags.raw ||
+	    pipe_ctx->stream->update_flags.raw))
 		dcn20_update_dchubp_dpp(dc, pipe_ctx, context);
 
 	if (pipe_ctx->plane_state && (pipe_ctx->update_flags.bits.enable ||
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c
index 630e05f32c80..61efb15572ff 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c
@@ -137,7 +137,7 @@ void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx)
 	pipe_ctx->stream->dpms_off = true;
 }
 
-static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst,
+bool dcn21_dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst,
 		uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst)
 {
 	union dmub_rb_cmd cmd;
@@ -199,7 +199,7 @@ void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx)
 			abm->funcs->set_pipe_ex(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE,
 					panel_cntl->inst, panel_cntl->pwrseq_inst);
 		} else {
-				dmub_abm_set_pipe(abm,
+			dcn21_dmub_abm_set_pipe(abm,
 						otg_inst,
 						SET_ABM_PIPE_IMMEDIATELY_DISABLE,
 						panel_cntl->inst,
@@ -234,7 +234,7 @@ void dcn21_set_pipe(struct pipe_ctx *pipe_ctx)
 					panel_cntl->inst,
 					panel_cntl->pwrseq_inst);
 	} else {
-		dmub_abm_set_pipe(abm, otg_inst,
+			dcn21_dmub_abm_set_pipe(abm, otg_inst,
 				  SET_ABM_PIPE_NORMAL,
 				  panel_cntl->inst,
 				  panel_cntl->pwrseq_inst);
@@ -242,15 +242,15 @@ void dcn21_set_pipe(struct pipe_ctx *pipe_ctx)
 }
 
 bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
-	struct set_backlight_level_params *params)
+	struct set_backlight_level_params *backlight_level_params)
 {
 	struct dc_context *dc = pipe_ctx->stream->ctx;
 	struct abm *abm = pipe_ctx->stream_res.abm;
 	struct timing_generator *tg = pipe_ctx->stream_res.tg;
 	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
 	uint32_t otg_inst;
-	uint32_t backlight_pwm_u16_16 = params->backlight_pwm_u16_16;
-	uint32_t frame_ramp = params->frame_ramp;
+	uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16;
+	uint32_t frame_ramp = backlight_level_params->frame_ramp;
 
 	if (!abm || !tg || !panel_cntl)
 		return false;
@@ -258,7 +258,7 @@ bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
 	otg_inst = tg->inst;
 
 	if (dc->dc->res_pool->dmcu) {
-		dce110_set_backlight_level(pipe_ctx, params);
+		dce110_set_backlight_level(pipe_ctx, backlight_level_params);
 		return true;
 	}
 
@@ -269,7 +269,7 @@ bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
 					panel_cntl->inst,
 					panel_cntl->pwrseq_inst);
 	} else {
-		dmub_abm_set_pipe(abm,
+			dcn21_dmub_abm_set_pipe(abm,
 				  otg_inst,
 				  SET_ABM_PIPE_NORMAL,
 				  panel_cntl->inst,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h
index a7eaaa4596be..f72a27ac1bf1 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.h
@@ -47,6 +47,8 @@ void dcn21_optimize_pwr_state(
 void dcn21_PLAT_58856_wa(struct dc_state *context,
 		struct pipe_ctx *pipe_ctx);
 
+bool dcn21_dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst,
+	uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst);
 void dcn21_set_pipe(struct pipe_ctx *pipe_ctx);
 void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx);
 bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
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 bfc78a42bc2a..03ba01f4ace1 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
@@ -47,9 +47,11 @@
 #include "dce/dmub_outbox.h"
 #include "link.h"
 #include "dcn10/dcn10_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
 #include "inc/link_enc_cfg.h"
 #include "dcn30/dcn30_vpg.h"
 #include "dce/dce_i2c_hw.h"
+#include "dce/dmub_abm_lcd.h"
 
 #define DC_LOGGER_INIT(logger)
 
@@ -517,15 +519,18 @@ static void dcn31_reset_back_end_for_pipe(
 
 	dc->hwss.set_abm_immediate_disable(pipe_ctx);
 
-	if ((!pipe_ctx->stream->dpms_off || pipe_ctx->stream->link->link_status.link_active)
-		&& pipe_ctx->stream->sink && pipe_ctx->stream->sink->edid_caps.panel_patch.blankstream_before_otg_off) {
+	link = pipe_ctx->stream->link;
+
+	if ((!pipe_ctx->stream->dpms_off || link->link_status.link_active) &&
+		(link->connector_signal == SIGNAL_TYPE_EDP))
 		dc->hwss.blank_stream(pipe_ctx);
-	}
 
 	pipe_ctx->stream_res.tg->funcs->set_dsc_config(
 			pipe_ctx->stream_res.tg,
 			OPTC_DSC_DISABLED, 0, 0);
+
 	pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
+
 	pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
 	if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
@@ -537,7 +542,6 @@ static void dcn31_reset_back_end_for_pipe(
 		pipe_ctx->stream_res.tg->funcs->set_drr(
 				pipe_ctx->stream_res.tg, NULL);
 
-	link = pipe_ctx->stream->link;
 	/* DPMS may already disable or */
 	/* dpms_off status is incorrect due to fastboot
 	 * feature. When system resume from S4 with second
@@ -638,3 +642,51 @@ void dcn31_set_static_screen_control(struct pipe_ctx **pipe_ctx,
 		pipe_ctx[i]->stream_res.tg->funcs->set_static_screen_control(pipe_ctx[i]->stream_res.tg,
 					triggers, params->num_frames);
 }
+
+static void dmub_abm_set_backlight(struct dc_context *dc,
+	struct set_backlight_level_params *backlight_level_params, uint32_t panel_inst)
+{
+	union dmub_rb_cmd cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.abm_set_backlight.header.type = DMUB_CMD__ABM;
+	cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
+	cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = backlight_level_params->frame_ramp;
+	cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_level_params->backlight_pwm_u16_16;
+	cmd.abm_set_backlight.abm_set_backlight_data.backlight_control_type =
+		(enum dmub_backlight_control_type) backlight_level_params->control_type;
+	cmd.abm_set_backlight.abm_set_backlight_data.min_luminance = backlight_level_params->min_luminance;
+	cmd.abm_set_backlight.abm_set_backlight_data.max_luminance = backlight_level_params->max_luminance;
+	cmd.abm_set_backlight.abm_set_backlight_data.min_backlight_pwm = backlight_level_params->min_backlight_pwm;
+	cmd.abm_set_backlight.abm_set_backlight_data.max_backlight_pwm = backlight_level_params->max_backlight_pwm;
+	cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1;
+	cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst);
+	cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data);
+
+	dc_wake_and_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
+}
+
+bool dcn31_set_backlight_level(struct pipe_ctx *pipe_ctx,
+	struct set_backlight_level_params *backlight_level_params)
+{
+	struct dc_context *dc = pipe_ctx->stream->ctx;
+	struct abm *abm = pipe_ctx->stream_res.abm;
+	struct timing_generator *tg = pipe_ctx->stream_res.tg;
+	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
+	uint32_t otg_inst;
+
+	if (!abm || !tg || !panel_cntl)
+		return false;
+
+	otg_inst = tg->inst;
+
+		dcn21_dmub_abm_set_pipe(abm,
+			otg_inst,
+			SET_ABM_PIPE_NORMAL,
+			panel_cntl->inst,
+			panel_cntl->pwrseq_inst);
+
+	dmub_abm_set_backlight(dc, backlight_level_params, panel_cntl->inst);
+
+	return true;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h
index b8bc939da155..0d09aa8cfb65 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.h
@@ -51,6 +51,8 @@ int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_
 void dcn31_reset_hw_ctx_wrap(
 		struct dc *dc,
 		struct dc_state *context);
+bool dcn31_set_backlight_level(struct pipe_ctx *pipe_ctx,
+		struct set_backlight_level_params *params);
 bool dcn31_is_abm_supported(struct dc *dc,
 		struct dc_state *context, struct dc_stream_state *stream);
 void dcn31_init_pipes(struct dc *dc, struct dc_state *context);
@@ -59,5 +61,4 @@ void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable);
 void dcn31_set_static_screen_control(struct pipe_ctx **pipe_ctx,
 		int num_pipes, const struct dc_static_screen_params *params);
 
-
 #endif /* __DC_HWSS_DCN31_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c
index 56f3c70d4b55..5f8f45b48720 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c
@@ -98,7 +98,7 @@ static const struct hw_sequencer_funcs dcn31_funcs = {
 	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
 	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
 	.calc_vupdate_position = dcn10_calc_vupdate_position,
-	.set_backlight_level = dcn21_set_backlight_level,
+	.set_backlight_level = dcn31_set_backlight_level,
 	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
 	.set_pipe = dcn21_set_pipe,
 	.enable_lvds_link_output = dce110_enable_lvds_link_output,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c
index 68e6de6b5758..6bdfbf22ce87 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c
@@ -100,7 +100,7 @@ static const struct hw_sequencer_funcs dcn314_funcs = {
 	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
 	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
 	.calc_vupdate_position = dcn10_calc_vupdate_position,
-	.set_backlight_level = dcn21_set_backlight_level,
+	.set_backlight_level = dcn31_set_backlight_level,
 	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
 	.set_pipe = dcn21_set_pipe,
 	.enable_lvds_link_output = dce110_enable_lvds_link_output,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
index dbcd2dfb19c1..5ecee7e320da 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
@@ -98,7 +98,7 @@ static const struct hw_sequencer_funcs dcn32_funcs = {
 	.calc_vupdate_position = dcn10_calc_vupdate_position,
 	.apply_idle_power_optimizations = dcn32_apply_idle_power_optimizations,
 	.does_plane_fit_in_mall = NULL,
-	.set_backlight_level = dcn21_set_backlight_level,
+	.set_backlight_level = dcn31_set_backlight_level,
 	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
 	.hardware_release = dcn30_hardware_release,
 	.set_pipe = dcn21_set_pipe,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
index bd309dbdf7b2..e599cdc465bf 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
@@ -309,6 +309,7 @@ void dcn35_init_hw(struct dc *dc)
 		dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv);
 		dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
 		dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver;
+		dc->caps.dmub_caps.aux_backlight_support = dc->ctx->dmub_srv->dmub->feature_caps.abm_aux_backlight_support;
 	}
 
 	if (dc->res_pool->pg_cntl) {
@@ -841,6 +842,7 @@ void dcn35_init_pipes(struct dc *dc, struct dc_state *context)
 			uint32_t num_opps = 0;
 			uint32_t opp_id_src0 = OPP_ID_INVALID;
 			uint32_t opp_id_src1 = OPP_ID_INVALID;
+			uint32_t optc_dsc_state = 0;
 
 			// Step 1: To find out which OPTC is running & OPTC DSC is ON
 			// We can't use res_pool->res_cap->num_timing_generator to check
@@ -849,7 +851,6 @@ void dcn35_init_pipes(struct dc *dc, struct dc_state *context)
 			// Some ASICs would be fused display pipes less than the default setting.
 			// In dcnxx_resource_construct function, driver would obatin real information.
 			for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
-				uint32_t optc_dsc_state = 0;
 				struct timing_generator *tg = dc->res_pool->timing_generators[i];
 
 				if (tg->funcs->is_tg_enabled(tg)) {
@@ -864,15 +865,18 @@ void dcn35_init_pipes(struct dc *dc, struct dc_state *context)
 				}
 			}
 
-			// Step 2: To power down DSC but skip DSC  of running OPTC
+			// Step 2: To power down DSC but skip DSC of running OPTC
 			for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
 				struct dcn_dsc_state s  = {0};
 
-				dc->res_pool->dscs[i]->funcs->dsc_read_state(dc->res_pool->dscs[i], &s);
+				/* avoid reading DSC state when it is not in use as it may be power gated */
+				if (optc_dsc_state) {
+					dc->res_pool->dscs[i]->funcs->dsc_read_state(dc->res_pool->dscs[i], &s);
 
-				if ((s.dsc_opp_source == opp_id_src0 || s.dsc_opp_source == opp_id_src1) &&
-					s.dsc_clock_en && s.dsc_fw_en)
-					continue;
+					if ((s.dsc_opp_source == opp_id_src0 || s.dsc_opp_source == opp_id_src1) &&
+						s.dsc_clock_en && s.dsc_fw_en)
+						continue;
+				}
 
 				pg_cntl->funcs->dsc_pg_control(pg_cntl, dc->res_pool->dscs[i]->inst, false);
 			}
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
index 55dc5799e725..fd67779c27a9 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
@@ -101,7 +101,7 @@ static const struct hw_sequencer_funcs dcn35_funcs = {
 	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
 	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
 	.calc_vupdate_position = dcn10_calc_vupdate_position,
-	.set_backlight_level = dcn21_set_backlight_level,
+	.set_backlight_level = dcn31_set_backlight_level,
 	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
 	.set_pipe = dcn21_set_pipe,
 	.enable_lvds_link_output = dce110_enable_lvds_link_output,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
index a93864b63d48..3c275a1eff58 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
@@ -100,7 +100,7 @@ static const struct hw_sequencer_funcs dcn351_funcs = {
 	.set_flip_control_gsl = dcn20_set_flip_control_gsl,
 	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
 	.calc_vupdate_position = dcn10_calc_vupdate_position,
-	.set_backlight_level = dcn21_set_backlight_level,
+	.set_backlight_level = dcn31_set_backlight_level,
 	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
 	.set_pipe = dcn21_set_pipe,
 	.enable_lvds_link_output = dce110_enable_lvds_link_output,
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 3c70f40bf047..5de11e2837c0 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
@@ -1488,6 +1488,10 @@ void dcn401_prepare_bandwidth(struct dc *dc,
 					&context->bw_ctx.bw.dcn.watermarks,
 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
 					false);
+	/* update timeout thresholds */
+	if (hubbub->funcs->program_arbiter) {
+		dc->wm_optimized_required |= hubbub->funcs->program_arbiter(hubbub, &context->bw_ctx.bw.dcn.arb_regs, false);
+	}
 
 	/* decrease compbuf size */
 	if (hubbub->funcs->program_compbuf_segments) {
@@ -1529,6 +1533,10 @@ void dcn401_optimize_bandwidth(
 					&context->bw_ctx.bw.dcn.watermarks,
 					dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000,
 					true);
+	/* update timeout thresholds */
+	if (hubbub->funcs->program_arbiter) {
+		hubbub->funcs->program_arbiter(hubbub, &context->bw_ctx.bw.dcn.arb_regs, true);
+	}
 
 	if (dc->clk_mgr->dc_mode_softmax_enabled)
 		if (dc->clk_mgr->clks.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c
index c73305e57d39..23e4f208152e 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c
@@ -77,7 +77,7 @@ static const struct hw_sequencer_funcs dcn401_funcs = {
 	.calc_vupdate_position = dcn10_calc_vupdate_position,
 	.apply_idle_power_optimizations = dcn401_apply_idle_power_optimizations,
 	.does_plane_fit_in_mall = NULL,
-	.set_backlight_level = dcn21_set_backlight_level,
+	.set_backlight_level = dcn31_set_backlight_level,
 	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
 	.hardware_release = dcn401_hardware_release,
 	.set_pipe = dcn21_set_pipe,
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 1df17c54f3a9..66fdc5805d0a 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
@@ -174,11 +174,6 @@ union block_sequence_params {
 	struct fams2_global_control_lock_fast_params fams2_global_control_lock_fast_params;
 };
 
-struct set_backlight_level_params {
-	uint32_t backlight_pwm_u16_16;
-	uint32_t frame_ramp;
-};
-
 enum block_sequence_func {
 	DMUB_SUBVP_PIPE_CONTROL_LOCK_FAST = 0,
 	OPTC_PIPE_CONTROL_LOCK,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_status.h b/drivers/gpu/drm/amd/display/dc/inc/core_status.h
index fa5edd03d004..b5afd8c3103d 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_status.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_status.h
@@ -60,5 +60,7 @@ enum dc_status {
 };
 
 char *dc_status_to_str(enum dc_status status);
+char *dc_pixel_encoding_to_str(enum dc_pixel_encoding pixel_encoding);
+char *dc_color_depth_to_str(enum dc_color_depth color_depth);
 
 #endif /* _CORE_STATUS_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
index 67c32401893e..52b745667ef7 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
@@ -228,6 +228,7 @@ struct hubbub_funcs {
 	void (*program_det_segments)(struct hubbub *hubbub, int hubp_inst, unsigned det_buffer_size_seg);
 	void (*program_compbuf_segments)(struct hubbub *hubbub, unsigned compbuf_size_seg, bool safe_to_increase);
 	void (*wait_for_det_update)(struct hubbub *hubbub, int hubp_inst);
+	bool (*program_arbiter)(struct hubbub *hubbub, struct dml2_display_arb_regs *arb_regs, bool safe_to_lower);
 };
 
 struct hubbub {
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h
index 72a8479e1f2d..f04292086c08 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link.h
@@ -248,8 +248,7 @@ struct link_service {
 			uint32_t *backlight_millinits_avg,
 			uint32_t *backlight_millinits_peak);
 	bool (*edp_set_backlight_level)(const struct dc_link *link,
-			uint32_t backlight_pwm_u16_16,
-			uint32_t frame_ramp);
+			struct set_backlight_level_params *backlight_level_params);
 	bool (*edp_set_backlight_level_nits)(struct dc_link *link,
 			bool isHDR,
 			uint32_t backlight_millinits,
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 c4e03482ba9a..41cab9ad6885 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
@@ -2082,6 +2082,9 @@ static enum dc_status enable_link_dp(struct dc_state *state,
 	if (link_settings->link_rate == LINK_RATE_LOW)
 		skip_video_pattern = false;
 
+	if (stream->sink_patches.oled_optimize_display_on)
+		set_default_brightness_aux(link);
+
 	if (perform_link_training_with_retries(link_settings,
 					       skip_video_pattern,
 					       lt_attempts,
@@ -2105,10 +2108,14 @@ static enum dc_status enable_link_dp(struct dc_state *state,
 	if (link->dpcd_sink_ext_caps.bits.oled == 1 ||
 		link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1 ||
 		link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1) {
-		set_default_brightness_aux(link);
-		if (link->dpcd_sink_ext_caps.bits.oled == 1)
-			msleep(bl_oled_enable_delay);
-		edp_backlight_enable_aux(link, true);
+		if (!stream->sink_patches.oled_optimize_display_on) {
+			set_default_brightness_aux(link);
+			if (link->dpcd_sink_ext_caps.bits.oled == 1)
+				msleep(bl_oled_enable_delay);
+			edp_backlight_enable_aux(link, true);
+		} else {
+			edp_backlight_enable_aux(link, true);
+		}
 	}
 
 	return status;
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 e05b8fddf2af..9dabaf682171 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
@@ -51,9 +51,10 @@
 #include "dc_dmub_srv.h"
 #include "gpio_service_interface.h"
 
+#define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */
+
 #define DC_LOGGER \
 	link->ctx->logger
-#define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */
 
 #ifndef MAX
 #define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
@@ -1416,8 +1417,7 @@ static bool get_usbc_cable_id(struct dc_link *link, union dp_cable_id *cable_id)
 
 	if (!link->ctx->dmub_srv ||
 			link->ep_type != DISPLAY_ENDPOINT_PHY ||
-			link->link_enc->features.flags.bits.DP_IS_USB_C == 0 ||
-			link->link_enc->features.flags.bits.IS_DP2_CAPABLE == 0)
+			link->link_enc->features.flags.bits.DP_IS_USB_C == 0)
 		return false;
 
 	memset(&cmd, 0, sizeof(cmd));
@@ -1430,9 +1430,7 @@ static bool get_usbc_cable_id(struct dc_link *link, union dp_cable_id *cable_id)
 		cable_id->raw = cmd.cable_id.data.output_raw;
 		DC_LOG_DC("usbc_cable_id = %d.\n", cable_id->raw);
 	}
-
-	ASSERT(cmd.cable_id.header.ret_status);
-	return true;
+	return cmd.cable_id.header.ret_status == 1;
 }
 
 static void retrieve_cable_id(struct dc_link *link)
@@ -1635,9 +1633,11 @@ static bool retrieve_link_cap(struct dc_link *link)
 	}
 
 	/* Read DP tunneling information. */
-	status = dpcd_get_tunneling_device_data(link);
-	if (status != DC_OK)
-		dm_error("%s: Read tunneling device data failed.\n", __func__);
+	if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) {
+		status = dpcd_get_tunneling_device_data(link);
+		if (status != DC_OK)
+			dm_error("%s: Read tunneling device data failed.\n", __func__);
+	}
 
 	dpcd_set_source_specific_data(link);
 	/* Sink may need to configure internals based on vendor, so allow some
@@ -2129,8 +2129,6 @@ struct dc_link_settings dp_get_max_link_cap(struct dc_link *link)
 	/* get max link encoder capability */
 	if (link_enc)
 		link_enc->funcs->get_max_link_cap(link_enc, &max_link_cap);
-	else
-		return max_link_cap;
 
 	/* Lower link settings based on sink's link cap */
 	if (link->reported_link_cap.lane_count < max_link_cap.lane_count)
@@ -2164,15 +2162,10 @@ struct dc_link_settings dp_get_max_link_cap(struct dc_link *link)
 	 */
 	cable_max_link_rate = get_cable_max_link_rate(link);
 
-	if (!link->dc->debug.ignore_cable_id) {
-		if (cable_max_link_rate != LINK_RATE_UNKNOWN)
-			// cable max link rate known
-			max_link_cap.link_rate = MIN(max_link_cap.link_rate, cable_max_link_rate);
-		else if (link_enc->funcs->is_in_alt_mode && link_enc->funcs->is_in_alt_mode(link_enc))
-			// cable max link rate ambiguous, DP alt mode, limit to HBR3
-			max_link_cap.link_rate = MIN(max_link_cap.link_rate, LINK_RATE_HIGH3);
-		//else {}
-			// cable max link rate ambiguous, DP, do nothing
+	if (!link->dc->debug.ignore_cable_id &&
+			cable_max_link_rate != LINK_RATE_UNKNOWN) {
+		if (cable_max_link_rate < max_link_cap.link_rate)
+			max_link_cap.link_rate = cable_max_link_rate;
 
 		if (!link->dpcd_caps.cable_id.bits.UHBR13_5_CAPABILITY &&
 				link->dpcd_caps.cable_id.bits.CABLE_TYPE >= 2)
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 96bf135b6f05..48abeaa88678 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
@@ -221,21 +221,11 @@ static void handle_hpd_irq_replay_sink(struct dc_link *link)
 		&replay_error_status.raw,
 		sizeof(replay_error_status.raw));
 
-	link->replay_settings.config.replay_error_status.bits.LINK_CRC_ERROR =
-		replay_error_status.bits.LINK_CRC_ERROR;
-	link->replay_settings.config.replay_error_status.bits.DESYNC_ERROR =
-		replay_configuration.bits.DESYNC_ERROR_STATUS;
-	link->replay_settings.config.replay_error_status.bits.STATE_TRANSITION_ERROR =
-		replay_configuration.bits.STATE_TRANSITION_ERROR_STATUS;
-
-	if (link->replay_settings.config.replay_error_status.bits.LINK_CRC_ERROR ||
-		link->replay_settings.config.replay_error_status.bits.DESYNC_ERROR ||
-		link->replay_settings.config.replay_error_status.bits.STATE_TRANSITION_ERROR) {
+	if (replay_error_status.bits.LINK_CRC_ERROR ||
+		replay_configuration.bits.DESYNC_ERROR_STATUS ||
+		replay_configuration.bits.STATE_TRANSITION_ERROR_STATUS) {
 		bool allow_active;
 
-		if (link->replay_settings.config.replay_error_status.bits.DESYNC_ERROR)
-			link->replay_settings.config.received_desync_error_hpd = 1;
-
 		if (link->replay_settings.config.force_disable_desync_error_check)
 			return;
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
index 43a467f6ce7b..e0e3bb865359 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
@@ -161,7 +161,9 @@ bool edp_set_backlight_level_nits(struct dc_link *link,
 			link->connector_signal != SIGNAL_TYPE_DISPLAY_PORT))
 		return false;
 
-	if (link->backlight_control_type == BACKLIGHT_CONTROL_VESA_AUX) {
+	// use internal backlight control if dmub capabilities are not present
+	if (link->backlight_control_type == BACKLIGHT_CONTROL_VESA_AUX &&
+		!link->dc->caps.dmub_caps.aux_backlight_support) {
 		uint8_t backlight_enable = 0;
 		struct target_luminance_value *target_luminance = NULL;
 
@@ -185,7 +187,7 @@ bool edp_set_backlight_level_nits(struct dc_link *link,
 			(uint8_t *)(target_luminance),
 			sizeof(struct target_luminance_value)) != DC_OK)
 			return false;
-	} else {
+	} else if (link->backlight_control_type == BACKLIGHT_CONTROL_AMD_AUX) {
 		struct dpcd_source_backlight_set dpcd_backlight_set;
 		*(uint32_t *)&dpcd_backlight_set.backlight_level_millinits = backlight_millinits;
 		*(uint16_t *)&dpcd_backlight_set.backlight_transition_time_ms = (uint16_t)transition_time_in_ms;
@@ -517,17 +519,17 @@ static struct pipe_ctx *get_pipe_from_link(const struct dc_link *link)
 }
 
 bool edp_set_backlight_level(const struct dc_link *link,
-		uint32_t backlight_pwm_u16_16,
-		uint32_t frame_ramp)
+		struct set_backlight_level_params *backlight_level_params)
 {
 	struct dc  *dc = link->ctx->dc;
+	uint32_t backlight_pwm_u16_16 = backlight_level_params->backlight_pwm_u16_16;
+	uint32_t frame_ramp = backlight_level_params->frame_ramp;
 	DC_LOGGER_INIT(link->ctx->logger);
 	DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n",
 			backlight_pwm_u16_16, backlight_pwm_u16_16);
 
 	if (dc_is_embedded_signal(link->connector_signal)) {
 		struct pipe_ctx *pipe_ctx = get_pipe_from_link(link);
-		struct set_backlight_level_params backlight_level_param = { 0 };
 
 		if (link->panel_cntl)
 			link->panel_cntl->stored_backlight_registers.USER_LEVEL = backlight_pwm_u16_16;
@@ -542,12 +544,11 @@ bool edp_set_backlight_level(const struct dc_link *link,
 			return false;
 		}
 
-		backlight_level_param.backlight_pwm_u16_16 = backlight_pwm_u16_16;
-		backlight_level_param.frame_ramp = frame_ramp;
+		backlight_level_params->frame_ramp = frame_ramp;
 
 		dc->hwss.set_backlight_level(
 				pipe_ctx,
-				&backlight_level_param);
+				backlight_level_params);
 	}
 	return true;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
index 30dc8c24c008..bcfa6ac5d4e7 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
@@ -36,8 +36,7 @@ bool edp_get_backlight_level_nits(struct dc_link *link,
 		uint32_t *backlight_millinits_avg,
 		uint32_t *backlight_millinits_peak);
 bool edp_set_backlight_level(const struct dc_link *link,
-		uint32_t backlight_pwm_u16_16,
-		uint32_t frame_ramp);
+		struct set_backlight_level_params *backlight_level_params);
 bool edp_set_backlight_level_nits(struct dc_link *link,
 		bool isHDR,
 		uint32_t backlight_millinits,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c
index 05d6d41ef9d3..770a380cc03d 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c
@@ -533,7 +533,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 		.sanity_checks = true,
 		.disable_dmcu = false,
 		.force_abm_enable = false,
-		.timing_trace = false,
 		.clock_trace = true,
 
 		/* raven smu dones't allow 0 disp clk,
@@ -560,18 +559,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 		.using_dml2 = false,
 };
 
-static const struct dc_debug_options debug_defaults_diags = {
-		.disable_dmcu = false,
-		.force_abm_enable = false,
-		.timing_trace = true,
-		.clock_trace = true,
-		.disable_stutter = true,
-		.disable_pplib_clock_request = true,
-		.disable_pplib_wm_range = true,
-		.underflow_assert_delay_us = 0xFFFFFFFF,
-		.enable_legacy_fast_update = true,
-};
-
 static void dcn10_dpp_destroy(struct dpp **dpp)
 {
 	kfree(TO_DCN10_DPP(*dpp));
@@ -1400,8 +1387,6 @@ static bool dcn10_resource_construct(
 
 	if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
 		dc->debug = debug_defaults_drv;
-	else
-		dc->debug = debug_defaults_diags;
 
 	/*************************************************
 	 *  Create resources                             *
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 288189913e1e..189d0c85872e 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
@@ -706,7 +706,6 @@ static const struct resource_caps res_cap_nv14 = {
 static const struct dc_debug_options debug_defaults_drv = {
 		.disable_dmcu = false,
 		.force_abm_enable = false,
-		.timing_trace = false,
 		.clock_trace = true,
 		.disable_pplib_clock_request = true,
 		.pipe_split_policy = MPC_SPLIT_AVOID_MULT_DISP,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn201/dcn201_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn201/dcn201_resource.c
index 15180ad71513..d3d67d366523 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn201/dcn201_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn201/dcn201_resource.c
@@ -600,7 +600,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 		.disable_dmcu = true,
 		.force_abm_enable = false,
-		.timing_trace = false,
 		.clock_trace = true,
 		.disable_pplib_clock_request = true,
 		.pipe_split_policy = MPC_SPLIT_DYNAMIC,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c
index 14b28841657d..021ba8ac5c8c 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c
@@ -610,7 +610,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 		.disable_dmcu = false,
 		.force_abm_enable = false,
-		.timing_trace = false,
 		.clock_trace = true,
 		.disable_pplib_clock_request = true,
 		.min_disp_clk_khz = 100000,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c
index baa4e2647dad..cd31e4f16c14 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c
@@ -711,7 +711,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true, //No DMCU on DCN30
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = true,
 	.pipe_split_policy = MPC_SPLIT_DYNAMIC,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c
index d8a7c2cf05de..a9816affd312 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c
@@ -682,7 +682,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_dpp_power_gate = false,
 	.disable_hubp_power_gate = false,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn302/dcn302_resource.c
index 40c20b04635a..02af8b8f4d27 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn302/dcn302_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn302/dcn302_resource.c
@@ -81,7 +81,6 @@
 static const struct dc_debug_options debug_defaults_drv = {
 		.disable_dmcu = true,
 		.force_abm_enable = false,
-		.timing_trace = false,
 		.clock_trace = true,
 		.disable_pplib_clock_request = true,
 		.pipe_split_policy = MPC_SPLIT_DYNAMIC,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c
index daf1b65fd088..7002a8dd358a 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c
@@ -82,7 +82,6 @@
 static const struct dc_debug_options debug_defaults_drv = {
 		.disable_dmcu = true,
 		.force_abm_enable = false,
-		.timing_trace = false,
 		.clock_trace = true,
 		.disable_pplib_clock_request = true,
 		.pipe_split_policy = MPC_SPLIT_AVOID,
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 36bb26182e11..c16cf1c8f7f9 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
@@ -858,7 +858,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_DYNAMIC,
@@ -869,7 +868,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.max_downscale_src_width = 4096,/*upto true 4K*/
 	.disable_pplib_wm_range = false,
 	.scl_reset_length10 = true,
-	.sanity_checks = true,
+	.sanity_checks = false,
 	.underflow_assert_delay_us = 0xFFFFFFFF,
 	.dwb_fi_phase = -1, // -1 = disable,
 	.dmub_command_table = true,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
index 58a5fbcf22bf..c0f48c78e968 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
@@ -876,7 +876,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.replay_skip_crtc_disabled = true,
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_dpp_power_gate = false,
 	.disable_hubp_power_gate = false,
@@ -889,7 +888,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.max_downscale_src_width = 4096,/*upto true 4k*/
 	.disable_pplib_wm_range = false,
 	.scl_reset_length10 = true,
-	.sanity_checks = true,
+	.sanity_checks = false,
 	.underflow_assert_delay_us = 0xFFFFFFFF,
 	.dwb_fi_phase = -1, // -1 = disable,
 	.dmub_command_table = true,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
index 3acad708c31b..6c3295259a81 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c
@@ -858,7 +858,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_z10 = true, /*hw not support it*/
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_DYNAMIC,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c
index ce56f5d162c0..6edaaadcb173 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c
@@ -853,7 +853,6 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_z10 = true, /*hw not support it*/
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_DYNAMIC,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
index aaaa888d112d..01d1a11d5545 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
@@ -689,7 +689,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_AVOID, // Due to CRB, no need to MPC split anymore
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
index 35acc13cb5a9..5cb74fd9cb7d 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
@@ -686,7 +686,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_AVOID,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index 795f2c71c70f..6cc2960b6104 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -712,7 +712,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_AVOID,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index 0b8dc2eff596..d87e2641cda1 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -692,7 +692,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_AVOID,
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 306b4117e219..db93bac247c0 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
@@ -685,7 +685,6 @@ static const struct dc_plane_cap plane_cap = {
 static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmcu = true,
 	.force_abm_enable = false,
-	.timing_trace = false,
 	.clock_trace = true,
 	.disable_pplib_clock_request = false,
 	.pipe_split_policy = MPC_SPLIT_AVOID,
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.h b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.h
index bdafa7496cea..19568c359669 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.h
@@ -610,7 +610,10 @@ void dcn401_prepare_mcache_programming(struct dc *dc, struct dc_state *context);
 	SR(DCHUBBUB_CLOCK_CNTL),                                                 \
 	SR(DCHUBBUB_SDPIF_CFG0),                                                 \
 	SR(DCHUBBUB_SDPIF_CFG1),                                                 \
-	SR(DCHUBBUB_MEM_PWR_MODE_CTRL)
+	SR(DCHUBBUB_MEM_PWR_MODE_CTRL),                                          \
+	SR(DCHUBBUB_TIMEOUT_DETECTION_CTRL1),                                    \
+	SR(DCHUBBUB_TIMEOUT_DETECTION_CTRL2),									 \
+	SR(DCHUBBUB_CTRL_STATUS)
 
 /* DCCG */
 
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
index f043c7e32e16..73a65913cb12 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
@@ -99,7 +99,7 @@ static struct spl_rect calculate_plane_rec_in_timing_active(
 	 *
 	 * recout_x = 128 + round(plane_x * 2304 / 1920)
 	 * recout_w = 128 + round((plane_x + plane_w) * 2304 / 1920) - recout_x
-	 * recout_y = 0 + round(plane_y * 1440 / 1280)
+	 * recout_y = 0 + round(plane_y * 1440 / 1200)
 	 * recout_h = 0 + round((plane_y + plane_h) * 1440 / 1200) - recout_y
 	 *
 	 * NOTE: fixed point division is not error free. To reduce errors
@@ -739,14 +739,13 @@ static enum scl_mode spl_get_dscl_mode(const struct spl_in *spl_in,
 			return SCL_MODE_SCALING_444_RGB_ENABLE;
 	}
 
-	/* Bypass YUV if at 1:1 with no ISHARP or if doing 2:1 YUV
-	 *  downscale without EASF
+	/*
+	 * Bypass YUV if Y is 1:1 with no ISHARP
+	 * Do not bypass UV at 1:1 for cositing to be applied
 	 */
-	if ((!enable_isharp) && (!enable_easf)) {
+	if (!enable_isharp) {
 		if (data->ratios.horz.value == one && data->ratios.vert.value == one)
 			return SCL_MODE_SCALING_420_LUMA_BYPASS;
-		if (data->ratios.horz_c.value == one && data->ratios.vert_c.value == one)
-			return SCL_MODE_SCALING_420_CHROMA_BYPASS;
 	}
 
 	return SCL_MODE_SCALING_420_YCBCR_ENABLE;
@@ -868,6 +867,60 @@ static bool spl_get_isharp_en(struct spl_in *spl_in,
 	return enable_isharp;
 }
 
+/* Calculate number of tap with adaptive scaling off */
+static void spl_get_taps_non_adaptive_scaler(
+	  struct spl_scratch *spl_scratch, const struct spl_taps *in_taps)
+{
+	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(
+				spl_scratch->scl_data.ratios.horz), 8);
+		else
+			spl_scratch->scl_data.taps.h_taps = 4;
+	} else
+		spl_scratch->scl_data.taps.h_taps = in_taps->h_taps;
+
+	if (in_taps->v_taps == 0) {
+		if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 1)
+			spl_scratch->scl_data.taps.v_taps = spl_min(spl_fixpt_ceil(spl_fixpt_mul_int(
+				spl_scratch->scl_data.ratios.vert, 2)), 8);
+		else
+			spl_scratch->scl_data.taps.v_taps = 4;
+	} else
+		spl_scratch->scl_data.taps.v_taps = in_taps->v_taps;
+
+	if (in_taps->v_taps_c == 0) {
+		if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 1)
+			spl_scratch->scl_data.taps.v_taps_c = spl_min(spl_fixpt_ceil(spl_fixpt_mul_int(
+				spl_scratch->scl_data.ratios.vert_c, 2)), 8);
+		else
+			spl_scratch->scl_data.taps.v_taps_c = 4;
+	} else
+		spl_scratch->scl_data.taps.v_taps_c = in_taps->v_taps_c;
+
+	if (in_taps->h_taps_c == 0) {
+		if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz_c) > 1)
+			spl_scratch->scl_data.taps.h_taps_c = spl_min(2 * spl_fixpt_ceil(
+				spl_scratch->scl_data.ratios.horz_c), 8);
+		else
+			spl_scratch->scl_data.taps.h_taps_c = 4;
+	} else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
+		/* Only 1 and even h_taps_c are supported by hw */
+		spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c - 1;
+	else
+		spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c;
+
+	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))
+		spl_scratch->scl_data.taps.v_taps = 1;
+	if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c))
+		spl_scratch->scl_data.taps.h_taps_c = 1;
+	if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c))
+		spl_scratch->scl_data.taps.v_taps_c = 1;
+
+}
+
 /* Calculate optimal number of taps */
 static bool spl_get_optimal_number_of_taps(
 	  int max_downscale_src_width, struct spl_in *spl_in, struct spl_scratch *spl_scratch,
@@ -879,18 +932,21 @@ static bool spl_get_optimal_number_of_taps(
 	int min_taps_y, min_taps_c;
 	enum lb_memory_config lb_config;
 	bool skip_easf = false;
+	bool is_ycbcr = spl_dscl_is_video_format(spl_in->basic_in.format);
 
 	if (spl_scratch->scl_data.viewport.width > spl_scratch->scl_data.h_active &&
 		max_downscale_src_width != 0 &&
-		spl_scratch->scl_data.viewport.width > max_downscale_src_width)
+		spl_scratch->scl_data.viewport.width > max_downscale_src_width) {
+		spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps);
+		*enable_easf_v = false;
+		*enable_easf_h = false;
+		*enable_isharp = false;
 		return false;
+	}
 
 	/* Disable adaptive scaler and sharpener when integer scaling is enabled */
 	if (spl_in->scaling_quality.integer_scaling) {
-		spl_scratch->scl_data.taps.h_taps = 1;
-		spl_scratch->scl_data.taps.v_taps = 1;
-		spl_scratch->scl_data.taps.v_taps_c = 1;
-		spl_scratch->scl_data.taps.h_taps_c = 1;
+		spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps);
 		*enable_easf_v = false;
 		*enable_easf_h = false;
 		*enable_isharp = false;
@@ -905,43 +961,9 @@ static bool spl_get_optimal_number_of_taps(
 	 * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling
 	 * taps = 4 for upscaling
 	 */
-	if (skip_easf) {
-		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(
-					spl_scratch->scl_data.ratios.horz), 8);
-			else
-				spl_scratch->scl_data.taps.h_taps = 4;
-		} else
-			spl_scratch->scl_data.taps.h_taps = in_taps->h_taps;
-		if (in_taps->v_taps == 0) {
-			if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 1)
-				spl_scratch->scl_data.taps.v_taps = spl_min(spl_fixpt_ceil(spl_fixpt_mul_int(
-					spl_scratch->scl_data.ratios.vert, 2)), 8);
-			else
-				spl_scratch->scl_data.taps.v_taps = 4;
-		} else
-			spl_scratch->scl_data.taps.v_taps = in_taps->v_taps;
-		if (in_taps->v_taps_c == 0) {
-			if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 1)
-				spl_scratch->scl_data.taps.v_taps_c = spl_min(spl_fixpt_ceil(spl_fixpt_mul_int(
-					spl_scratch->scl_data.ratios.vert_c, 2)), 8);
-			else
-				spl_scratch->scl_data.taps.v_taps_c = 4;
-		} else
-			spl_scratch->scl_data.taps.v_taps_c = in_taps->v_taps_c;
-		if (in_taps->h_taps_c == 0) {
-			if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz_c) > 1)
-				spl_scratch->scl_data.taps.h_taps_c = spl_min(2 * spl_fixpt_ceil(
-					spl_scratch->scl_data.ratios.horz_c), 8);
-			else
-				spl_scratch->scl_data.taps.h_taps_c = 4;
-		} else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
-			/* Only 1 and even h_taps_c are supported by hw */
-			spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c - 1;
-		else
-			spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c;
-	} else {
+	if (skip_easf)
+		spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps);
+	else {
 		if (spl_is_yuv420(spl_in->basic_in.format)) {
 			spl_scratch->scl_data.taps.h_taps = 6;
 			spl_scratch->scl_data.taps.v_taps = 6;
@@ -966,7 +988,7 @@ static bool spl_get_optimal_number_of_taps(
 	else
 		lb_config = LB_MEMORY_CONFIG_0;
 	// Determine max vtap support by calculating how much line buffer can fit
-	spl_in->funcs->spl_calc_lb_num_partitions(spl_in->basic_out.alpha_en, &spl_scratch->scl_data,
+	spl_in->callbacks.spl_calc_lb_num_partitions(spl_in->basic_out.alpha_en, &spl_scratch->scl_data,
 			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)
@@ -1052,10 +1074,9 @@ static bool spl_get_optimal_number_of_taps(
 
 	/* Sharpener requires scaler to be enabled, including for 1:1
 	 * Check if ISHARP can be enabled
-	 * If ISHARP is not enabled, for 1:1, set taps to 1 and disable
-	 *  EASF
-	 * For case of 2:1 YUV where chroma is 1:1, set taps to 1 if
-	 *  EASF is not enabled
+	 * If ISHARP is not enabled, set taps to 1 if ratio is 1:1
+	 *  except for chroma taps.  Keep previous taps so it can
+	 *  handle cositing
 	 */
 
 	*enable_isharp = spl_get_isharp_en(spl_in, spl_scratch);
@@ -1065,20 +1086,28 @@ static bool spl_get_optimal_number_of_taps(
 			spl_scratch->scl_data.taps.h_taps = 1;
 			spl_scratch->scl_data.taps.v_taps = 1;
 
-			if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c))
+			if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c) && !is_ycbcr)
 				spl_scratch->scl_data.taps.h_taps_c = 1;
 
-			if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c))
+			if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c) && !is_ycbcr)
 				spl_scratch->scl_data.taps.v_taps_c = 1;
 
 			*enable_easf_v = false;
 			*enable_easf_h = false;
 		} else {
 			if ((!*enable_easf_h) &&
+				(IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz)))
+				spl_scratch->scl_data.taps.h_taps = 1;
+
+			if ((!*enable_easf_v) &&
+				(IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert)))
+				spl_scratch->scl_data.taps.v_taps = 1;
+
+			if ((!*enable_easf_h) && !is_ycbcr &&
 				(IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c)))
 				spl_scratch->scl_data.taps.h_taps_c = 1;
 
-			if ((!*enable_easf_v) &&
+			if ((!*enable_easf_v) && !is_ycbcr &&
 				(IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c)))
 				spl_scratch->scl_data.taps.v_taps_c = 1;
 		}
@@ -1089,8 +1118,7 @@ static bool spl_get_optimal_number_of_taps(
 static void spl_set_black_color_data(enum spl_pixel_format format,
 			struct scl_black_color *scl_black_color)
 {
-	bool ycbcr = format >= SPL_PIXEL_FORMAT_VIDEO_BEGIN
-					&& format <= SPL_PIXEL_FORMAT_VIDEO_END;
+	bool ycbcr = spl_dscl_is_video_format(format);
 	if (ycbcr)	{
 		scl_black_color->offset_rgb_y = BLACK_OFFSET_RGB_Y;
 		scl_black_color->offset_rgb_cbcr = BLACK_OFFSET_CBCR;
@@ -1602,7 +1630,8 @@ static void spl_set_isharp_data(struct dscl_prog_data *dscl_prog_data,
 
 	spl_build_isharp_1dlut_from_reference_curve(ratio, setup, adp_sharpness,
 		scale_to_sharpness_policy);
-	dscl_prog_data->isharp_delta = spl_get_pregen_filter_isharp_1D_lut(setup);
+	memcpy(dscl_prog_data->isharp_delta, spl_get_pregen_filter_isharp_1D_lut(setup),
+		sizeof(uint32_t) * ISHARP_LUT_TABLE_SIZE);
 	dscl_prog_data->sharpness_level = adp_sharpness.sharpness_level;
 
 	dscl_prog_data->isharp_en = 1;	// ISHARP_EN
@@ -1723,6 +1752,32 @@ static void spl_set_isharp_data(struct dscl_prog_data *dscl_prog_data,
 	spl_set_blur_scale_data(dscl_prog_data, data);
 }
 
+/* Calculate recout, scaling ratio, and viewport, then get optimal number of taps */
+static bool spl_calculate_number_of_taps(struct spl_in *spl_in, struct spl_scratch *spl_scratch, struct spl_out *spl_out,
+	bool *enable_easf_v, bool *enable_easf_h, bool *enable_isharp)
+{
+	bool res = false;
+
+	memset(spl_scratch, 0, sizeof(struct spl_scratch));
+	spl_scratch->scl_data.h_active = spl_in->h_active;
+	spl_scratch->scl_data.v_active = spl_in->v_active;
+
+	// All SPL calls
+	/* recout calculation */
+	/* depends on h_active */
+	spl_calculate_recout(spl_in, spl_scratch, spl_out);
+	/* depends on pixel format */
+	spl_calculate_scaling_ratios(spl_in, spl_scratch, spl_out);
+	/* depends on scaling ratios and recout, does not calculate offset yet */
+	spl_calculate_viewport_size(spl_in, spl_scratch);
+
+	res = spl_get_optimal_number_of_taps(
+			  spl_in->basic_out.max_downscale_src_width, spl_in,
+			  spl_scratch, &spl_in->scaling_quality, enable_easf_v,
+			  enable_easf_h, enable_isharp);
+	return res;
+}
+
 /* Calculate scaler parameters */
 bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)
 {
@@ -1737,23 +1792,9 @@ bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)
 	bool enable_isharp = false;
 	const struct spl_scaler_data *data = &spl_scratch.scl_data;
 
-	memset(&spl_scratch, 0, sizeof(struct spl_scratch));
-	spl_scratch.scl_data.h_active = spl_in->h_active;
-	spl_scratch.scl_data.v_active = spl_in->v_active;
-
-	// All SPL calls
-	/* recout calculation */
-	/* depends on h_active */
-	spl_calculate_recout(spl_in, &spl_scratch, spl_out);
-	/* depends on pixel format */
-	spl_calculate_scaling_ratios(spl_in, &spl_scratch, spl_out);
-	/* depends on scaling ratios and recout, does not calculate offset yet */
-	spl_calculate_viewport_size(spl_in, &spl_scratch);
+	res = spl_calculate_number_of_taps(spl_in, &spl_scratch, spl_out,
+		&enable_easf_v, &enable_easf_h, &enable_isharp);
 
-	res = spl_get_optimal_number_of_taps(
-			  spl_in->basic_out.max_downscale_src_width, spl_in,
-			  &spl_scratch, &spl_in->scaling_quality, &enable_easf_v,
-			  &enable_easf_h, &enable_isharp);
 	/*
 	 * Depends on recout, scaling ratios, h_active and taps
 	 * May need to re-check lb size after this in some obscure scenario
@@ -1765,12 +1806,12 @@ bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)
 	// Clamp
 	spl_clamp_viewport(&spl_scratch.scl_data.viewport);
 
-	if (!res)
-		return res;
-
 	// 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);
 
+	if (!res)
+		return res;
+
 	if (spl_in->lls_pref == LLS_PREF_YES) {
 		if (spl_in->is_hdr_on)
 			setup = HDR_L;
@@ -1801,3 +1842,20 @@ bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out)
 
 	return res;
 }
+
+/* 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 res = false;
+	bool enable_easf_v = false;
+	bool enable_easf_h = false;
+	bool enable_isharp = false;
+	struct spl_scratch spl_scratch;
+	struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data;
+	const struct spl_scaler_data *data = &spl_scratch.scl_data;
+
+	res = spl_calculate_number_of_taps(spl_in, &spl_scratch, spl_out,
+		&enable_easf_v, &enable_easf_h, &enable_isharp);
+	spl_set_taps_data(dscl_prog_data, data);
+	return res;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.h b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.h
index 205e59a2a8ee..02a2d6725ed5 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.h
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.h
@@ -13,4 +13,6 @@
 
 bool 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);
+
 #endif /* __DC_SPL_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_isharp_filters.h b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_isharp_filters.h
index afcc66206ca2..89af91e19b6c 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_isharp_filters.h
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_isharp_filters.h
@@ -7,7 +7,6 @@
 
 #include "dc_spl_types.h"
 
-#define ISHARP_LUT_TABLE_SIZE 32
 const uint32_t *spl_get_filter_isharp_1D_lut_0(void);
 const uint32_t *spl_get_filter_isharp_1D_lut_0p5x(void);
 const uint32_t *spl_get_filter_isharp_1D_lut_1p0x(void);
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h
index fcb5d389592b..55d557df4aa5 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h
@@ -250,6 +250,7 @@ enum isharp_en	{
 	ISHARP_DISABLE,
 	ISHARP_ENABLE
 };
+#define ISHARP_LUT_TABLE_SIZE 32
 // Below struct holds values that can be directly used to program
 // hardware registers. No conversion/clamping is required
 struct dscl_prog_data {
@@ -400,7 +401,7 @@ struct dscl_prog_data {
 	uint32_t isharp_nl_en;  //      ISHARP_NL_EN ? TODO:check this
 	struct isharp_lba isharp_lba;   //      ISHARP_LBA
 	struct isharp_fmt isharp_fmt;   //      ISHARP_FMT
-	const uint32_t *isharp_delta;
+	uint32_t isharp_delta[ISHARP_LUT_TABLE_SIZE];
 	struct isharp_nldelta_sclip isharp_nldelta_sclip;       //      ISHARP_NLDELTA_SCLIP
 	/* blur and scale filter */
 	const uint16_t *filter_blur_scale_v;
@@ -496,7 +497,7 @@ enum scale_to_sharpness_policy {
 	SCALE_TO_SHARPNESS_ADJ_YUV = 1,
 	SCALE_TO_SHARPNESS_ADJ_ALL = 2
 };
-struct spl_funcs	{
+struct spl_callbacks {
 	void (*spl_calc_lb_num_partitions)
 		(bool alpha_en,
 		const struct spl_scaler_data *scl_data,
@@ -517,7 +518,7 @@ struct spl_in	{
 	// Basic slice information
 	int odm_slice_index;	// ODM Slice Index using get_odm_split_index
 	struct spl_taps scaling_quality; // Explicit Scaling Quality
-	struct spl_funcs *funcs;
+	struct spl_callbacks callbacks;
 	// Inputs for isharp and EASF
 	struct adaptive_sharpness adaptive_sharpness;	//	Adaptive Sharpness
 	enum linear_light_scaling lls_pref;	//	Linear Light Scaling
diff --git a/drivers/gpu/drm/amd/display/dc/spl/spl_fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/spl/spl_fixpt31_32.c
index 5fd79d9c67e2..131f1e3949d3 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/spl_fixpt31_32.c
+++ b/drivers/gpu/drm/amd/display/dc/spl/spl_fixpt31_32.c
@@ -22,7 +22,7 @@ static inline unsigned long long abs_i64(
  * result = dividend / divisor
  * *remainder = dividend % divisor
  */
-static inline unsigned long long complete_integer_division_u64(
+static inline unsigned long long spl_complete_integer_division_u64(
 	unsigned long long dividend,
 	unsigned long long divisor,
 	unsigned long long *remainder)
@@ -60,7 +60,7 @@ struct spl_fixed31_32 spl_fixpt_from_fraction(long long numerator, long long den
 
 	/* determine integer part */
 
-	unsigned long long res_value = complete_integer_division_u64(
+	unsigned long long res_value = spl_complete_integer_division_u64(
 		arg1_value, arg2_value, &remainder);
 
 	SPL_ASSERT(res_value <= (unsigned long long)LONG_MAX);
@@ -286,7 +286,7 @@ struct spl_fixed31_32 spl_fixpt_cos(struct spl_fixed31_32 arg)
  *
  * Calculated as Taylor series.
  */
-static struct spl_fixed31_32 fixed31_32_exp_from_taylor_series(struct spl_fixed31_32 arg)
+static struct spl_fixed31_32 spl_fixed31_32_exp_from_taylor_series(struct spl_fixed31_32 arg)
 {
 	unsigned int n = 9;
 
@@ -345,14 +345,14 @@ struct spl_fixed31_32 spl_fixpt_exp(struct spl_fixed31_32 arg)
 
 		if (m > 0)
 			return spl_fixpt_shl(
-				fixed31_32_exp_from_taylor_series(r),
+				spl_fixed31_32_exp_from_taylor_series(r),
 				(unsigned char)m);
 		else
 			return spl_fixpt_div_int(
-				fixed31_32_exp_from_taylor_series(r),
+				spl_fixed31_32_exp_from_taylor_series(r),
 				1LL << -m);
 	} else if (arg.value != 0)
-		return fixed31_32_exp_from_taylor_series(arg);
+		return spl_fixed31_32_exp_from_taylor_series(arg);
 	else
 		return spl_fixpt_one;
 }
@@ -396,7 +396,7 @@ struct spl_fixed31_32 spl_fixpt_log(struct spl_fixed31_32 arg)
  * part in 32 bits. It is used in hw programming (scaler)
  */
 
-static inline unsigned int ux_dy(
+static inline unsigned int spl_ux_dy(
 	long long value,
 	unsigned int integer_bits,
 	unsigned int fractional_bits)
@@ -415,13 +415,13 @@ static inline unsigned int ux_dy(
 	return result | fractional_part;
 }
 
-static inline unsigned int clamp_ux_dy(
+static inline unsigned int spl_clamp_ux_dy(
 	long long value,
 	unsigned int integer_bits,
 	unsigned int fractional_bits,
 	unsigned int min_clamp)
 {
-	unsigned int truncated_val = ux_dy(value, integer_bits, fractional_bits);
+	unsigned int truncated_val = spl_ux_dy(value, integer_bits, fractional_bits);
 
 	if (value >= (1LL << (integer_bits + FIXED31_32_BITS_PER_FRACTIONAL_PART)))
 		return (1 << (integer_bits + fractional_bits)) - 1;
@@ -433,40 +433,40 @@ static inline unsigned int clamp_ux_dy(
 
 unsigned int spl_fixpt_u4d19(struct spl_fixed31_32 arg)
 {
-	return ux_dy(arg.value, 4, 19);
+	return spl_ux_dy(arg.value, 4, 19);
 }
 
 unsigned int spl_fixpt_u3d19(struct spl_fixed31_32 arg)
 {
-	return ux_dy(arg.value, 3, 19);
+	return spl_ux_dy(arg.value, 3, 19);
 }
 
 unsigned int spl_fixpt_u2d19(struct spl_fixed31_32 arg)
 {
-	return ux_dy(arg.value, 2, 19);
+	return spl_ux_dy(arg.value, 2, 19);
 }
 
 unsigned int spl_fixpt_u0d19(struct spl_fixed31_32 arg)
 {
-	return ux_dy(arg.value, 0, 19);
+	return spl_ux_dy(arg.value, 0, 19);
 }
 
 unsigned int spl_fixpt_clamp_u0d14(struct spl_fixed31_32 arg)
 {
-	return clamp_ux_dy(arg.value, 0, 14, 1);
+	return spl_clamp_ux_dy(arg.value, 0, 14, 1);
 }
 
 unsigned int spl_fixpt_clamp_u0d10(struct spl_fixed31_32 arg)
 {
-	return clamp_ux_dy(arg.value, 0, 10, 1);
+	return spl_clamp_ux_dy(arg.value, 0, 10, 1);
 }
 
 int spl_fixpt_s4d19(struct spl_fixed31_32 arg)
 {
 	if (arg.value < 0)
-		return -(int)ux_dy(spl_fixpt_abs(arg).value, 4, 19);
+		return -(int)spl_ux_dy(spl_fixpt_abs(arg).value, 4, 19);
 	else
-		return ux_dy(arg.value, 4, 19);
+		return spl_ux_dy(arg.value, 4, 19);
 }
 
 struct spl_fixed31_32 spl_fixpt_from_ux_dy(unsigned int value,
diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
index ff27229cc3a4..b353c4ceb60d 100644
--- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -301,6 +301,7 @@ struct dmub_srv_hw_params {
 	bool disallow_phy_access;
 	bool disable_sldo_opt;
 	bool enable_non_transparent_setconfig;
+	bool lower_hbr3_phy_ssc;
 };
 
 /**
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 6edd3d34c7b5..b800a507d1e0 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -495,6 +495,7 @@ struct dmub_feature_caps {
 	uint8_t gecc_enable;
 	uint8_t replay_supported;
 	uint8_t replay_reserved[3];
+	uint8_t abm_aux_backlight_support;
 };
 
 struct dmub_visual_confirm_color {
@@ -694,7 +695,8 @@ union dmub_fw_boot_options {
 		uint32_t ips_disable: 3; /* options to disable ips support*/
 		uint32_t ips_sequential_ono: 1; /**< 1 to enable sequential ONO IPS sequence */
 		uint32_t disable_sldo_opt: 1; /**< 1 to disable SLDO optimizations */
-		uint32_t reserved : 7; /**< reserved */
+		uint32_t lower_hbr3_phy_ssc: 1; /**< 1 to lower hbr3 phy ssc to 0.125 percent */
+		uint32_t reserved : 6; /**< reserved */
 	} bits; /**< boot bits */
 	uint32_t all; /**< 32-bit access to bits */
 };
@@ -726,6 +728,7 @@ enum dmub_shared_state_feature_id {
 	DMUB_SHARED_SHARE_FEATURE__INVALID = 0,
 	DMUB_SHARED_SHARE_FEATURE__IPS_FW = 1,
 	DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER = 2,
+	DMUB_SHARED_SHARE_FEATURE__DEBUG_SETUP = 3,
 	DMUB_SHARED_STATE_FEATURE__LAST, /* Total number of features. */
 };
 
@@ -752,7 +755,7 @@ union dmub_shared_state_ips_driver_signals {
 		uint32_t allow_ips1 : 1; /**< 1 is IPS1 is allowed */
 		uint32_t allow_ips2 : 1; /**< 1 is IPS1 is allowed */
 		uint32_t allow_z10 : 1; /**< 1 if Z10 is allowed */
-		uint32_t allow_idle : 1; /**< 1 if driver is allowing idle */
+		uint32_t allow_idle: 1; /**< 1 if driver is allowing idle */
 		uint32_t reserved_bits : 27; /**< Reversed bits */
 	} bits;
 	uint32_t all;
@@ -763,6 +766,14 @@ union dmub_shared_state_ips_driver_signals {
  */
 #define DMUB_SHARED_STATE__IPS_FW_VERSION 1
 
+struct dmub_shared_state_debug_setup {
+	union {
+		struct {
+			uint32_t exclude_points[62];
+		} profile_mode;
+	};
+};
+
 /**
  * struct dmub_shared_state_ips_fw - Firmware state for IPS.
  */
@@ -815,6 +826,7 @@ struct dmub_shared_state_feature_block {
 		struct dmub_shared_state_feature_common common; /**< Generic data */
 		struct dmub_shared_state_ips_fw ips_fw; /**< IPS firmware state */
 		struct dmub_shared_state_ips_driver ips_driver; /**< IPS driver state */
+		struct dmub_shared_state_debug_setup debug_setup; /**< Debug setup */
 	} data; /**< Shared state data. */
 }; /* 256-bytes, fixed */
 
@@ -1157,6 +1169,10 @@ enum dmub_gpint_command {
 	 * RETURN: Total residency in microseconds - upper 32 bits
 	 */
 	DMUB_GPINT__GET_IPS_RESIDENCY_DURATION_US_HI = 133,
+	/**
+	 * DESC: Setup debug configs.
+	 */
+	DMUB_GPINT__SETUP_DEBUG_MODE = 136,
 };
 
 /**
@@ -4411,6 +4427,24 @@ struct dmub_rb_cmd_abm_set_pipe {
 };
 
 /**
+ * Type of backlight control method to be used by ABM module
+ */
+enum dmub_backlight_control_type {
+	/**
+	 * PWM Backlight control
+	 */
+	DMU_BACKLIGHT_CONTROL_PWM = 0,
+	/**
+	 * VESA Aux-based backlight control
+	 */
+	DMU_BACKLIGHT_CONTROL_VESA_AUX = 1,
+	/**
+	 * AMD DPCD Aux-based backlight control
+	 */
+	DMU_BACKLIGHT_CONTROL_AMD_AUX = 2,
+};
+
+/**
  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
  */
 struct dmub_cmd_abm_set_backlight_data {
@@ -4437,12 +4471,9 @@ struct dmub_cmd_abm_set_backlight_data {
 	uint8_t panel_mask;
 
 	/**
-	 * Backlight control type.
-	 * Value 0 is PWM backlight control.
-	 * Value 1 is VAUX backlight control.
-	 * Value 2 is AMD DPCD AUX backlight control.
+	 * AUX HW Instance.
 	 */
-	uint8_t backlight_control_type;
+	uint8_t aux_inst;
 
 	/**
 	 * Explicit padding to 4 byte boundary.
@@ -4450,6 +4481,14 @@ struct dmub_cmd_abm_set_backlight_data {
 	uint8_t pad[1];
 
 	/**
+	 * Backlight control type.
+	 * Value 0 is PWM backlight control.
+	 * Value 1 is VAUX backlight control.
+	 * Value 2 is AMD DPCD AUX backlight control.
+	 */
+	enum dmub_backlight_control_type backlight_control_type;
+
+	/**
 	 * Minimum luminance in nits.
 	 */
 	uint32_t min_luminance;
@@ -5171,7 +5210,34 @@ struct dmub_rb_cmd_get_usbc_cable_id {
 enum dmub_cmd_secure_display_type {
 	DMUB_CMD__SECURE_DISPLAY_TEST_CMD = 0,		/* test command to only check if inbox message works */
 	DMUB_CMD__SECURE_DISPLAY_CRC_STOP_UPDATE,
-	DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY
+	DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY,
+	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_STOP_UPDATE,
+	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_WIN_NOTIFY
+};
+
+#define MAX_ROI_NUM	2
+
+struct dmub_cmd_roi_info {
+	uint16_t x_start;
+	uint16_t x_end;
+	uint16_t y_start;
+	uint16_t y_end;
+	uint8_t otg_id;
+	uint8_t phy_id;
+};
+
+struct dmub_cmd_roi_window_ctl {
+	uint16_t x_start;
+	uint16_t x_end;
+	uint16_t y_start;
+	uint16_t y_end;
+	bool enable;
+};
+
+struct dmub_cmd_roi_ctl_info {
+	uint8_t otg_id;
+	uint8_t phy_id;
+	struct dmub_cmd_roi_window_ctl roi_ctl[MAX_ROI_NUM];
 };
 
 /**
@@ -5182,14 +5248,8 @@ struct dmub_rb_cmd_secure_display {
 	/**
 	 * Data passed from driver to dmub firmware.
 	 */
-	struct dmub_cmd_roi_info {
-		uint16_t x_start;
-		uint16_t x_end;
-		uint16_t y_start;
-		uint16_t y_end;
-		uint8_t otg_id;
-		uint8_t phy_id;
-	} roi_info;
+	struct dmub_cmd_roi_info roi_info;
+	struct dmub_cmd_roi_ctl_info mul_roi_ctl;
 };
 
 /**
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 2ccad79053c5..e5e77bd3c31e 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c
@@ -426,6 +426,7 @@ void dmub_dcn35_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmu
 	boot_options.bits.ips_sequential_ono = params->ips_sequential_ono;
 	boot_options.bits.disable_sldo_opt = params->disable_sldo_opt;
 	boot_options.bits.enable_non_transparent_setconfig = params->enable_non_transparent_setconfig;
+	boot_options.bits.lower_hbr3_phy_ssc = params->lower_hbr3_phy_ssc;
 
 	REG_WRITE(DMCUB_SCRATCH14, boot_options.all);
 }
@@ -463,7 +464,7 @@ uint32_t dmub_dcn35_get_current_time(struct dmub_srv *dmub)
 
 void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_data *diag_data)
 {
-	uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset;
+	uint32_t is_dmub_enabled, is_soft_reset;
 	uint32_t is_traceport_enabled, is_cw6_enabled;
 
 	if (!dmub || !diag_data)
@@ -513,9 +514,6 @@ void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti
 	REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &is_soft_reset);
 	diag_data->is_dmcub_soft_reset = is_soft_reset;
 
-	REG_GET(DMCUB_SEC_CNTL, DMCUB_SEC_RESET_STATUS, &is_sec_reset);
-	diag_data->is_dmcub_secure_reset = is_sec_reset;
-
 	REG_GET(DMCUB_CNTL, DMCUB_TRACEPORT_EN, &is_traceport_enabled);
 	diag_data->is_traceport_en  = is_traceport_enabled;
 
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index db16066bc893..a3f3ff5d49ac 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -497,6 +497,7 @@ enum dmub_status
 	const struct dmub_fw_meta_info *fw_info;
 	uint32_t fw_state_size = DMUB_FW_STATE_SIZE;
 	uint32_t trace_buffer_size = DMUB_TRACE_BUFFER_SIZE;
+	uint32_t shared_state_size = DMUB_FW_HEADER_SHARED_STATE_SIZE;
 	uint32_t window_sizes[DMUB_WINDOW_TOTAL] = { 0 };
 
 	if (!dmub->sw_init)
@@ -514,6 +515,7 @@ enum dmub_status
 
 		fw_state_size = fw_info->fw_region_size;
 		trace_buffer_size = fw_info->trace_buffer_size;
+		shared_state_size = fw_info->shared_state_size;
 
 		/**
 		 * If DM didn't fill in a version, then fill it in based on
@@ -534,7 +536,7 @@ enum dmub_status
 	window_sizes[DMUB_WINDOW_5_TRACEBUFF] = trace_buffer_size;
 	window_sizes[DMUB_WINDOW_6_FW_STATE] = fw_state_size;
 	window_sizes[DMUB_WINDOW_7_SCRATCH_MEM] = DMUB_SCRATCH_MEM_SIZE;
-	window_sizes[DMUB_WINDOW_SHARED_STATE] = DMUB_FW_HEADER_SHARED_STATE_SIZE;
+	window_sizes[DMUB_WINDOW_SHARED_STATE] = max(DMUB_FW_HEADER_SHARED_STATE_SIZE, shared_state_size);
 
 	out->fb_size =
 		dmub_srv_calc_regions_for_memory_type(params, out, window_sizes, DMUB_WINDOW_MEMORY_TYPE_FB);
diff --git a/drivers/gpu/drm/amd/display/include/logger_interface.h b/drivers/gpu/drm/amd/display/include/logger_interface.h
index 02c23b04d34b..058f882d5bdd 100644
--- a/drivers/gpu/drm/amd/display/include/logger_interface.h
+++ b/drivers/gpu/drm/amd/display/include/logger_interface.h
@@ -52,10 +52,6 @@ void update_surface_trace(
 
 void post_surface_trace(struct dc *dc);
 
-void context_timing_trace(
-		struct dc *dc,
-		struct resource_context *res_ctx);
-
 void context_clock_trace(
 		struct dc *dc,
 		struct dc_state *context);
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
index 3699e633801d..a71df052cf25 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -1399,71 +1399,6 @@ static void scale_gamma_dx(struct pwl_float_data *pwl_rgb,
 				pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b);
 }
 
-/* todo: all these scale_gamma functions are inherently the same but
- *  take different structures as params or different format for ramp
- *  values. We could probably implement it in a more generic fashion
- */
-static void scale_user_regamma_ramp(struct pwl_float_data *pwl_rgb,
-		const struct regamma_ramp *ramp,
-		struct dividers dividers)
-{
-	unsigned short max_driver = 0xFFFF;
-	unsigned short max_os = 0xFF00;
-	unsigned short scaler = max_os;
-	uint32_t i;
-	struct pwl_float_data *rgb = pwl_rgb;
-	struct pwl_float_data *rgb_last = rgb + GAMMA_RGB_256_ENTRIES - 1;
-
-	i = 0;
-	do {
-		if (ramp->gamma[i] > max_os ||
-				ramp->gamma[i + 256] > max_os ||
-				ramp->gamma[i + 512] > max_os) {
-			scaler = max_driver;
-			break;
-		}
-		i++;
-	} while (i != GAMMA_RGB_256_ENTRIES);
-
-	i = 0;
-	do {
-		rgb->r = dc_fixpt_from_fraction(
-				ramp->gamma[i], scaler);
-		rgb->g = dc_fixpt_from_fraction(
-				ramp->gamma[i + 256], scaler);
-		rgb->b = dc_fixpt_from_fraction(
-				ramp->gamma[i + 512], scaler);
-
-		++rgb;
-		++i;
-	} while (i != GAMMA_RGB_256_ENTRIES);
-
-	rgb->r = dc_fixpt_mul(rgb_last->r,
-			dividers.divider1);
-	rgb->g = dc_fixpt_mul(rgb_last->g,
-			dividers.divider1);
-	rgb->b = dc_fixpt_mul(rgb_last->b,
-			dividers.divider1);
-
-	++rgb;
-
-	rgb->r = dc_fixpt_mul(rgb_last->r,
-			dividers.divider2);
-	rgb->g = dc_fixpt_mul(rgb_last->g,
-			dividers.divider2);
-	rgb->b = dc_fixpt_mul(rgb_last->b,
-			dividers.divider2);
-
-	++rgb;
-
-	rgb->r = dc_fixpt_mul(rgb_last->r,
-			dividers.divider3);
-	rgb->g = dc_fixpt_mul(rgb_last->g,
-			dividers.divider3);
-	rgb->b = dc_fixpt_mul(rgb_last->b,
-			dividers.divider3);
-}
-
 /*
  * RS3+ color transform DDI - 1D LUT adjustment is composed with regamma here
  * Input is evenly distributed in the output color space as specified in
@@ -1663,106 +1598,6 @@ static bool calculate_interpolated_hardware_curve(
 	return true;
 }
 
-/* The "old" interpolation uses a complicated scheme to build an array of
- * coefficients while also using an array of 0-255 normalized to 0-1
- * Then there's another loop using both of the above + new scaled user ramp
- * and we concatenate them. It also searches for points of interpolation and
- * uses enums for positions.
- *
- * This function uses a different approach:
- * user ramp is always applied on X with 0/255, 1/255, 2/255, ..., 255/255
- * To find index for hwX , we notice the following:
- * i/255 <= hwX < (i+1)/255  <=> i <= 255*hwX < i+1
- * See apply_lut_1d which is the same principle, but on 4K entry 1D LUT
- *
- * Once the index is known, combined Y is simply:
- * user_ramp(index) + (hwX-index/255)*(user_ramp(index+1) - user_ramp(index)
- *
- * We should switch to this method in all cases, it's simpler and faster
- * ToDo one day - for now this only applies to ADL regamma to avoid regression
- * for regular use cases (sRGB and PQ)
- */
-static void interpolate_user_regamma(uint32_t hw_points_num,
-		struct pwl_float_data *rgb_user,
-		bool apply_degamma,
-		struct dc_transfer_func_distributed_points *tf_pts)
-{
-	uint32_t i;
-	uint32_t color = 0;
-	int32_t index;
-	int32_t index_next;
-	struct fixed31_32 *tf_point;
-	struct fixed31_32 hw_x;
-	struct fixed31_32 norm_factor =
-			dc_fixpt_from_int(255);
-	struct fixed31_32 norm_x;
-	struct fixed31_32 index_f;
-	struct fixed31_32 lut1;
-	struct fixed31_32 lut2;
-	struct fixed31_32 delta_lut;
-	struct fixed31_32 delta_index;
-	const struct fixed31_32 one = dc_fixpt_from_int(1);
-
-	i = 0;
-	/* fixed_pt library has problems handling too small values */
-	while (i != 32) {
-		tf_pts->red[i] = dc_fixpt_zero;
-		tf_pts->green[i] = dc_fixpt_zero;
-		tf_pts->blue[i] = dc_fixpt_zero;
-		++i;
-	}
-	while (i <= hw_points_num + 1) {
-		for (color = 0; color < 3; color++) {
-			if (color == 0)
-				tf_point = &tf_pts->red[i];
-			else if (color == 1)
-				tf_point = &tf_pts->green[i];
-			else
-				tf_point = &tf_pts->blue[i];
-
-			if (apply_degamma) {
-				if (color == 0)
-					hw_x = coordinates_x[i].regamma_y_red;
-				else if (color == 1)
-					hw_x = coordinates_x[i].regamma_y_green;
-				else
-					hw_x = coordinates_x[i].regamma_y_blue;
-			} else
-				hw_x = coordinates_x[i].x;
-
-			if (dc_fixpt_le(one, hw_x))
-				hw_x = one;
-
-			norm_x = dc_fixpt_mul(norm_factor, hw_x);
-			index = dc_fixpt_floor(norm_x);
-			if (index < 0 || index > 255)
-				continue;
-
-			index_f = dc_fixpt_from_int(index);
-			index_next = (index == 255) ? index : index + 1;
-
-			if (color == 0) {
-				lut1 = rgb_user[index].r;
-				lut2 = rgb_user[index_next].r;
-			} else if (color == 1) {
-				lut1 = rgb_user[index].g;
-				lut2 = rgb_user[index_next].g;
-			} else {
-				lut1 = rgb_user[index].b;
-				lut2 = rgb_user[index_next].b;
-			}
-
-			// we have everything now, so interpolate
-			delta_lut = dc_fixpt_sub(lut2, lut1);
-			delta_index = dc_fixpt_sub(norm_x, index_f);
-
-			*tf_point = dc_fixpt_add(lut1,
-				dc_fixpt_mul(delta_index, delta_lut));
-		}
-		++i;
-	}
-}
-
 static void build_new_custom_resulted_curve(
 	uint32_t hw_points_num,
 	struct dc_transfer_func_distributed_points *tf_pts)
@@ -1784,29 +1619,6 @@ static void build_new_custom_resulted_curve(
 	}
 }
 
-static void apply_degamma_for_user_regamma(struct pwl_float_data_ex *rgb_regamma,
-		uint32_t hw_points_num, struct calculate_buffer *cal_buffer)
-{
-	uint32_t i;
-
-	struct gamma_coefficients coeff;
-	struct pwl_float_data_ex *rgb = rgb_regamma;
-	const struct hw_x_point *coord_x = coordinates_x;
-
-	build_coefficients(&coeff, TRANSFER_FUNCTION_SRGB);
-
-	i = 0;
-	while (i != hw_points_num + 1) {
-		rgb->r = translate_from_linear_space_ex(
-				coord_x->x, &coeff, 0, cal_buffer);
-		rgb->g = rgb->r;
-		rgb->b = rgb->r;
-		++coord_x;
-		++rgb;
-		++i;
-	}
-}
-
 static bool map_regamma_hw_to_x_user(
 	const struct dc_gamma *ramp,
 	struct pixel_gamma_point *coeff128,
@@ -1855,125 +1667,6 @@ static bool map_regamma_hw_to_x_user(
 
 #define _EXTRA_POINTS 3
 
-bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf,
-		const struct regamma_lut *regamma,
-		struct calculate_buffer *cal_buffer,
-		const struct dc_gamma *ramp)
-{
-	struct gamma_coefficients coeff;
-	const struct hw_x_point *coord_x = coordinates_x;
-	uint32_t i = 0;
-
-	do {
-		coeff.a0[i] = dc_fixpt_from_fraction(
-				regamma->coeff.A0[i], 10000000);
-		coeff.a1[i] = dc_fixpt_from_fraction(
-				regamma->coeff.A1[i], 1000);
-		coeff.a2[i] = dc_fixpt_from_fraction(
-				regamma->coeff.A2[i], 1000);
-		coeff.a3[i] = dc_fixpt_from_fraction(
-				regamma->coeff.A3[i], 1000);
-		coeff.user_gamma[i] = dc_fixpt_from_fraction(
-				regamma->coeff.gamma[i], 1000);
-
-		++i;
-	} while (i != 3);
-
-	i = 0;
-	/* fixed_pt library has problems handling too small values */
-	while (i != 32) {
-		output_tf->tf_pts.red[i] = dc_fixpt_zero;
-		output_tf->tf_pts.green[i] = dc_fixpt_zero;
-		output_tf->tf_pts.blue[i] = dc_fixpt_zero;
-		++coord_x;
-		++i;
-	}
-	while (i != MAX_HW_POINTS + 1) {
-		output_tf->tf_pts.red[i] = translate_from_linear_space_ex(
-				coord_x->x, &coeff, 0, cal_buffer);
-		output_tf->tf_pts.green[i] = translate_from_linear_space_ex(
-				coord_x->x, &coeff, 1, cal_buffer);
-		output_tf->tf_pts.blue[i] = translate_from_linear_space_ex(
-				coord_x->x, &coeff, 2, cal_buffer);
-		++coord_x;
-		++i;
-	}
-
-	if (ramp && ramp->type == GAMMA_CS_TFM_1D)
-		apply_lut_1d(ramp, MAX_HW_POINTS, &output_tf->tf_pts);
-
-	// this function just clamps output to 0-1
-	build_new_custom_resulted_curve(MAX_HW_POINTS, &output_tf->tf_pts);
-	output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
-
-	return true;
-}
-
-bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf,
-		const struct regamma_lut *regamma,
-		struct calculate_buffer *cal_buffer,
-		const struct dc_gamma *ramp)
-{
-	struct dc_transfer_func_distributed_points *tf_pts = &output_tf->tf_pts;
-	struct dividers dividers;
-
-	struct pwl_float_data *rgb_user = NULL;
-	struct pwl_float_data_ex *rgb_regamma = NULL;
-	bool ret = false;
-
-	if (regamma == NULL)
-		return false;
-
-	output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
-
-	rgb_user = kcalloc(GAMMA_RGB_256_ENTRIES + _EXTRA_POINTS,
-			   sizeof(*rgb_user),
-			   GFP_KERNEL);
-	if (!rgb_user)
-		goto rgb_user_alloc_fail;
-
-	rgb_regamma = kcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
-			      sizeof(*rgb_regamma),
-			      GFP_KERNEL);
-	if (!rgb_regamma)
-		goto rgb_regamma_alloc_fail;
-
-	dividers.divider1 = dc_fixpt_from_fraction(3, 2);
-	dividers.divider2 = dc_fixpt_from_int(2);
-	dividers.divider3 = dc_fixpt_from_fraction(5, 2);
-
-	scale_user_regamma_ramp(rgb_user, &regamma->ramp, dividers);
-
-	if (regamma->flags.bits.applyDegamma == 1) {
-		apply_degamma_for_user_regamma(rgb_regamma, MAX_HW_POINTS, cal_buffer);
-		copy_rgb_regamma_to_coordinates_x(coordinates_x,
-				MAX_HW_POINTS, rgb_regamma);
-	}
-
-	interpolate_user_regamma(MAX_HW_POINTS, rgb_user,
-			regamma->flags.bits.applyDegamma, tf_pts);
-
-	// no custom HDR curves!
-	tf_pts->end_exponent = 0;
-	tf_pts->x_point_at_y1_red = 1;
-	tf_pts->x_point_at_y1_green = 1;
-	tf_pts->x_point_at_y1_blue = 1;
-
-	if (ramp && ramp->type == GAMMA_CS_TFM_1D)
-		apply_lut_1d(ramp, MAX_HW_POINTS, &output_tf->tf_pts);
-
-	// this function just clamps output to 0-1
-	build_new_custom_resulted_curve(MAX_HW_POINTS, tf_pts);
-
-	ret = true;
-
-	kfree(rgb_regamma);
-rgb_regamma_alloc_fail:
-	kfree(rgb_user);
-rgb_user_alloc_fail:
-	return ret;
-}
-
 bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 		struct dc_transfer_func *input_tf,
 		const struct dc_gamma *ramp, bool map_user_ramp)
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
index ee5c466613de..97e55278940e 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -115,15 +115,4 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
 		struct dc_transfer_func *output_tf,
 		const struct dc_gamma *ramp, bool mapUserRamp);
 
-bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf,
-		const struct regamma_lut *regamma,
-		struct calculate_buffer *cal_buffer,
-		const struct dc_gamma *ramp);
-
-bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf,
-		const struct regamma_lut *regamma,
-		struct calculate_buffer *cal_buffer,
-		const struct dc_gamma *ramp);
-
-
 #endif /* COLOR_MOD_COLOR_GAMMA_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index fc4268729017..f980a84dceef 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -129,6 +129,9 @@ unsigned int mod_freesync_calc_v_total_from_refresh(
 	unsigned int v_total;
 	unsigned int frame_duration_in_ns;
 
+	if (refresh_in_uhz == 0)
+		return stream->timing.v_total;
+
 	frame_duration_in_ns =
 			((unsigned int)(div64_u64((1000000000ULL * 1000000),
 					refresh_in_uhz)));
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
index c996365e84b0..1d41dd58f6bc 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
@@ -27,6 +27,11 @@
 
 #include "hdcp.h"
 
+static inline uint16_t get_hdmi_rxstatus_msg_size(const uint8_t rxstatus[2])
+{
+	return HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(rxstatus[1]) << 8 | rxstatus[0];
+}
+
 static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp *hdcp)
 {
 	uint8_t is_ready = 0;
@@ -35,8 +40,7 @@ static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp
 		is_ready = HDCP_2_2_DP_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus_dp) ? 1 : 0;
 	else
 		is_ready = (HDCP_2_2_HDMI_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus[1]) &&
-				(HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
-						hdcp->auth.msg.hdcp2.rxstatus[0])) ? 1 : 0;
+				get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus) != 0) ? 1 : 0;
 	return is_ready ? MOD_HDCP_STATUS_SUCCESS :
 			MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY;
 }
@@ -84,15 +88,13 @@ static inline enum mod_hdcp_status check_link_integrity_failure_dp(
 static enum mod_hdcp_status check_ake_cert_available(struct mod_hdcp *hdcp)
 {
 	enum mod_hdcp_status status;
-	uint16_t size;
 
 	if (is_dp_hdcp(hdcp)) {
 		status = MOD_HDCP_STATUS_SUCCESS;
 	} else {
 		status = mod_hdcp_read_rxstatus(hdcp);
 		if (status == MOD_HDCP_STATUS_SUCCESS) {
-			size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
-			       hdcp->auth.msg.hdcp2.rxstatus[0];
+			const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus);
 			status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_cert)) ?
 					MOD_HDCP_STATUS_SUCCESS :
 					MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING;
@@ -104,7 +106,6 @@ static enum mod_hdcp_status check_ake_cert_available(struct mod_hdcp *hdcp)
 static enum mod_hdcp_status check_h_prime_available(struct mod_hdcp *hdcp)
 {
 	enum mod_hdcp_status status;
-	uint8_t size;
 
 	status = mod_hdcp_read_rxstatus(hdcp);
 	if (status != MOD_HDCP_STATUS_SUCCESS)
@@ -115,8 +116,7 @@ static enum mod_hdcp_status check_h_prime_available(struct mod_hdcp *hdcp)
 				MOD_HDCP_STATUS_SUCCESS :
 				MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING;
 	} else {
-		size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
-		       hdcp->auth.msg.hdcp2.rxstatus[0];
+		const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus);
 		status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)) ?
 				MOD_HDCP_STATUS_SUCCESS :
 				MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING;
@@ -128,7 +128,6 @@ out:
 static enum mod_hdcp_status check_pairing_info_available(struct mod_hdcp *hdcp)
 {
 	enum mod_hdcp_status status;
-	uint8_t size;
 
 	status = mod_hdcp_read_rxstatus(hdcp);
 	if (status != MOD_HDCP_STATUS_SUCCESS)
@@ -139,8 +138,7 @@ static enum mod_hdcp_status check_pairing_info_available(struct mod_hdcp *hdcp)
 				MOD_HDCP_STATUS_SUCCESS :
 				MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING;
 	} else {
-		size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
-		       hdcp->auth.msg.hdcp2.rxstatus[0];
+		const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus);
 		status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)) ?
 				MOD_HDCP_STATUS_SUCCESS :
 				MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING;
@@ -152,7 +150,6 @@ out:
 static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp)
 {
 	enum mod_hdcp_status status = MOD_HDCP_STATUS_FAILURE;
-	uint8_t size;
 	uint16_t max_wait = 20; // units of ms
 	uint16_t num_polls = 5;
 	uint16_t wait_time = max_wait / num_polls;
@@ -167,8 +164,7 @@ static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp)
 			if (status != MOD_HDCP_STATUS_SUCCESS)
 				break;
 
-			size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
-			       hdcp->auth.msg.hdcp2.rxstatus[0];
+			const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus);
 			status = (size == sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)) ?
 					MOD_HDCP_STATUS_SUCCESS :
 					MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING;
@@ -181,7 +177,6 @@ static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp)
 static enum mod_hdcp_status check_stream_ready_available(struct mod_hdcp *hdcp)
 {
 	enum mod_hdcp_status status;
-	uint8_t size;
 
 	if (is_dp_hdcp(hdcp)) {
 		status = MOD_HDCP_STATUS_INVALID_OPERATION;
@@ -189,8 +184,7 @@ static enum mod_hdcp_status check_stream_ready_available(struct mod_hdcp *hdcp)
 		status = mod_hdcp_read_rxstatus(hdcp);
 		if (status != MOD_HDCP_STATUS_SUCCESS)
 			goto out;
-		size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
-		       hdcp->auth.msg.hdcp2.rxstatus[0];
+		const uint16_t size = get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus);
 		status = (size == sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)) ?
 				MOD_HDCP_STATUS_SUCCESS :
 				MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING;
@@ -249,8 +243,7 @@ static uint8_t process_rxstatus(struct mod_hdcp *hdcp,
 						sizeof(hdcp->auth.msg.hdcp2.rx_id_list);
 			else
 				hdcp->auth.msg.hdcp2.rx_id_list_size =
-					HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
-					hdcp->auth.msg.hdcp2.rxstatus[0];
+					get_hdmi_rxstatus_msg_size(hdcp->auth.msg.hdcp2.rxstatus);
 		}
 out:
 	return (*status == MOD_HDCP_STATUS_SUCCESS);