Merge tag 'amd-drm-fixes-6.12-2024-10-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.12-2024-10-02:

amdgpu:
- DML2 fix
- DSC fix
- Dispclk fix
- eDP HDR fix
- IPS fix
- TBT fix

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241002135831.2510790-1-alexander.deucher@amd.com

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -770,6 +770,12 @@ static void dmub_hpd_callback(struct amdgpu_device *adev,
 		return;
 	}
 
+	/* Skip DMUB HPD IRQ in suspend/resume. We will probe them later. */
+	if (notify->type == DMUB_NOTIFICATION_HPD && adev->in_suspend) {
+		DRM_INFO("Skip DMUB HPD IRQ callback in suspend/resume\n");
+		return;
+	}
+
 	link_index = notify->link_index;
 	link = adev->dm.dc->links[link_index];
 	dev = adev->dm.ddev;
@@ -2026,7 +2032,8 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 			DRM_ERROR("amdgpu: failed to initialize vblank_workqueue.\n");
 	}
 
-	if (adev->dm.dc->caps.ips_support && adev->dm.dc->config.disable_ips == DMUB_IPS_ENABLE)
+	if (adev->dm.dc->caps.ips_support &&
+	    adev->dm.dc->config.disable_ips != DMUB_IPS_DISABLE_ALL)
 		adev->dm.idle_workqueue = idle_create_workqueue(adev);
 
 	if (adev->dm.dc->caps.max_links > 0 && adev->family >= AMDGPU_FAMILY_RV) {
@@ -6735,12 +6742,21 @@ create_stream_for_sink(struct drm_connector *connector,
 	if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT ||
 	    stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
 	    stream->signal == SIGNAL_TYPE_EDP) {
+		const struct dc_edid_caps *edid_caps;
+		unsigned int disable_colorimetry = 0;
+
+		if (aconnector->dc_sink) {
+			edid_caps = &aconnector->dc_sink->edid_caps;
+			disable_colorimetry = edid_caps->panel_patch.disable_colorimetry;
+		}
+
 		//
 		// should decide stream support vsc sdp colorimetry capability
 		// before building vsc info packet
 		//
 		stream->use_vsc_sdp_for_colorimetry = stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 &&
-						      stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED;
+						      stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED &&
+						      !disable_colorimetry;
 
 		if (stream->out_transfer_func.tf == TRANSFER_FUNCTION_GAMMA22)
 			tf = TRANSFER_FUNC_GAMMA_22;

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c

@@ -73,6 +73,10 @@ static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps)
 		DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id);
 		edid_caps->panel_patch.remove_sink_ext_caps = true;
 		break;
+	case drm_edid_encode_panel_id('S', 'D', 'C', 0x4154):
+		DRM_DEBUG_DRIVER("Disabling VSC on monitor with panel id %X\n", panel_id);
+		edid_caps->panel_patch.disable_colorimetry = true;
+		break;
 	default:
 		return;
 	}

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

@@ -1027,6 +1027,7 @@ static int try_disable_dsc(struct drm_atomic_state *state,
 	int remaining_to_try = 0;
 	int ret;
 	uint16_t fec_overhead_multiplier_x1000 = get_fec_overhead_multiplier(dc_link);
+	int var_pbn;
 
 	for (i = 0; i < count; i++) {
 		if (vars[i + k].dsc_enabled
@@ -1057,13 +1058,18 @@ static int try_disable_dsc(struct drm_atomic_state *state,
 			break;
 
 		DRM_DEBUG_DRIVER("MST_DSC index #%d, try no compression\n", next_index);
+		var_pbn = vars[next_index].pbn;
 		vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.stream_kbps, fec_overhead_multiplier_x1000);
 		ret = drm_dp_atomic_find_time_slots(state,
 						    params[next_index].port->mgr,
 						    params[next_index].port,
 						    vars[next_index].pbn);
-		if (ret < 0)
+		if (ret < 0) {
+			DRM_DEBUG_DRIVER("%s:%d MST_DSC index #%d, failed to set pbn to the state, %d\n",
+						__func__, __LINE__, next_index, ret);
+			vars[next_index].pbn = var_pbn;
 			return ret;
+		}
 
 		ret = drm_dp_mst_atomic_check(state);
 		if (ret == 0) {
@@ -1071,14 +1077,17 @@ static int try_disable_dsc(struct drm_atomic_state *state,
 			vars[next_index].dsc_enabled = false;
 			vars[next_index].bpp_x16 = 0;
 		} else {
-			DRM_DEBUG_DRIVER("MST_DSC index #%d, restore minimum compression\n", next_index);
-			vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.max_kbps, fec_overhead_multiplier_x1000);
+			DRM_DEBUG_DRIVER("MST_DSC index #%d, restore optimized pbn value\n", next_index);
+			vars[next_index].pbn = var_pbn;
 			ret = drm_dp_atomic_find_time_slots(state,
 							    params[next_index].port->mgr,
 							    params[next_index].port,
 							    vars[next_index].pbn);
-			if (ret < 0)
+			if (ret < 0) {
+				DRM_DEBUG_DRIVER("%s:%d MST_DSC index #%d, failed to set pbn to the state, %d\n",
+							__func__, __LINE__, next_index, ret);
 				return ret;
+			}
 		}
 
 		tried[next_index] = true;

drivers/gpu/drm/amd/display/dc/dc_types.h

@@ -178,6 +178,7 @@ struct dc_panel_patch {
 	unsigned int skip_avmute;
 	unsigned int mst_start_top_delay;
 	unsigned int remove_sink_ext_caps;
+	unsigned int disable_colorimetry;
 };
 
 struct dc_edid_caps {

drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c

@@ -303,7 +303,6 @@ void build_unoptimized_policy_settings(enum dml_project_id project, struct dml_m
 	if (project == dml_project_dcn35 ||
 		project == dml_project_dcn351) {
 		policy->DCCProgrammingAssumesScanDirectionUnknownFinal = false;
-		policy->EnhancedPrefetchScheduleAccelerationFinal = 0;
 		policy->AllowForPStateChangeOrStutterInVBlankFinal = dml_prefetch_support_uclk_fclk_and_stutter_if_possible; /*new*/
 		policy->UseOnlyMaxPrefetchModes = 1;
 	}

drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c

@@ -766,6 +766,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 	.disable_dmub_reallow_idle = false,
 	.static_screen_wait_frames = 2,
 	.notify_dpia_hr_bw = true,
+	.min_disp_clk_khz = 50000,
 };
 
 static const struct dc_panel_config panel_config_defaults = {