drm/amd/display: Refactor edp panel power sequencer(PPS) codes

[Why & How]
Move extra panel power sequencer settings into panel_cofig struct.
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Ian Chen <ian.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -880,8 +880,17 @@ void dm_helpers_smu_timeout(struct dc_context *ctx, unsigned int msg_id, unsigne
 
 void dm_helpers_init_panel_settings(
 	struct dc_context *ctx,
-	struct dc_panel_config *panel_config)
-{
+	struct dc_panel_config *panel_config,
+	struct dc_sink *sink)
+{
+	// Extra Panel Power Sequence
+	panel_config->pps.extra_t3_ms = sink->edid_caps.panel_patch.extra_t3_ms;
+	panel_config->pps.extra_t7_ms = sink->edid_caps.panel_patch.extra_t7_ms;
+	panel_config->pps.extra_delay_backlight_off = sink->edid_caps.panel_patch.extra_delay_backlight_off;
+	panel_config->pps.extra_post_t7_ms = 0;
+	panel_config->pps.extra_pre_t11_ms = 0;
+	panel_config->pps.extra_t12_ms = sink->edid_caps.panel_patch.extra_t12_ms;
+	panel_config->pps.extra_post_OUI_ms = 0;
 	// Feature DSC
 	panel_config->dsc.disable_dsc_edp = false;
 	panel_config->dsc.force_dsc_edp_policy = 0;

drivers/gpu/drm/amd/display/dc/core/dc_link.c

@@ -1308,7 +1308,7 @@ static bool detect_link_and_local_sink(struct dc_link *link,
 
 		if (link->connector_signal == SIGNAL_TYPE_EDP) {
 			// Init dc_panel_config
-			dm_helpers_init_panel_settings(dc_ctx, &link->panel_config);
+			dm_helpers_init_panel_settings(dc_ctx, &link->panel_config, sink);
 			// Override dc_panel_config if system has specific settings
 			dm_helpers_override_panel_settings(dc_ctx, &link->panel_config);
 		}
@@ -1977,7 +1977,7 @@ static enum dc_status enable_link_dp(struct dc_state *state,
 	int i;
 	bool apply_seamless_boot_optimization = false;
 	uint32_t bl_oled_enable_delay = 50; // in ms
-	const uint32_t post_oui_delay = 30; // 30ms
+	uint32_t post_oui_delay = 30; // 30ms
 	/* Reduce link bandwidth between failed link training attempts. */
 	bool do_fallback = false;
 
@@ -2024,8 +2024,10 @@ static enum dc_status enable_link_dp(struct dc_state *state,
 
 	// during mode switch we do DP_SET_POWER off then on, and OUI is lost
 	dpcd_set_source_specific_data(link);
-	if (link->dpcd_sink_ext_caps.raw != 0)
+	if (link->dpcd_sink_ext_caps.raw != 0) {
+		post_oui_delay += link->panel_config.pps.extra_post_OUI_ms;
 		msleep(post_oui_delay);
+	}
 
 	// similarly, mode switch can cause loss of cable ID
 	dpcd_write_cable_id_to_dprx(link);

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

@@ -7075,9 +7075,8 @@ void dp_enable_link_phy(
 
 void edp_add_delay_for_T9(struct dc_link *link)
 {
-	if (link->local_sink &&
-			link->local_sink->edid_caps.panel_patch.extra_delay_backlight_off > 0)
-		udelay(link->local_sink->edid_caps.panel_patch.extra_delay_backlight_off * 1000);
+	if (link && link->panel_config.pps.extra_delay_backlight_off > 0)
+		udelay(link->panel_config.pps.extra_delay_backlight_off * 1000);
 }
 
 bool edp_receiver_ready_T9(struct dc_link *link)
@@ -7133,9 +7132,8 @@ bool edp_receiver_ready_T7(struct dc_link *link)
 		} while (time_taken_in_ns < 50 * 1000000); //MAx T7 is 50ms
 	}
 
-	if (link->local_sink &&
-			link->local_sink->edid_caps.panel_patch.extra_t7_ms > 0)
-		udelay(link->local_sink->edid_caps.panel_patch.extra_t7_ms * 1000);
+	if (link && link->panel_config.pps.extra_t7_ms > 0)
+		udelay(link->panel_config.pps.extra_t7_ms * 1000);
 
 	return result;
 }

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

@@ -117,6 +117,16 @@ struct psr_settings {
  * Add a struct dc_panel_config under dc_link
  */
 struct dc_panel_config {
+	// extra panel power sequence parameters
+	struct pps {
+		unsigned int extra_t3_ms;
+		unsigned int extra_t7_ms;
+		unsigned int extra_delay_backlight_off;
+		unsigned int extra_post_t7_ms;
+		unsigned int extra_pre_t11_ms;
+		unsigned int extra_t12_ms;
+		unsigned int extra_post_OUI_ms;
+	} pps;
 	// edp DSC
 	struct dsc {
 		bool disable_dsc_edp;

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

@@ -722,7 +722,6 @@ void dce110_edp_wait_for_hpd_ready(
 	struct dc_context *ctx = link->ctx;
 	struct graphics_object_id connector = link->link_enc->connector;
 	struct gpio *hpd;
-	struct dc_sink *sink = link->local_sink;
 	bool edp_hpd_high = false;
 	uint32_t time_elapsed = 0;
 	uint32_t timeout = power_up ?
@@ -755,9 +754,9 @@ void dce110_edp_wait_for_hpd_ready(
 		return;
 	}
 
-	if (sink != NULL) {
-		if (sink->edid_caps.panel_patch.extra_t3_ms > 0) {
-			int extra_t3_in_ms = sink->edid_caps.panel_patch.extra_t3_ms;
+	if (link != NULL) {
+		if (link->panel_config.pps.extra_t3_ms > 0) {
+			int extra_t3_in_ms = link->panel_config.pps.extra_t3_ms;
 
 			msleep(extra_t3_in_ms);
 		}
@@ -842,7 +841,7 @@ void dce110_edp_power_control(
 			/* add time defined by a patch, if any (usually patch extra_t12_ms is 0) */
 			if (link->local_sink != NULL)
 				remaining_min_edp_poweroff_time_ms +=
-					link->local_sink->edid_caps.panel_patch.extra_t12_ms;
+					link->panel_config.pps.extra_t12_ms;
 
 			/* Adjust remaining_min_edp_poweroff_time_ms if this is not the first time. */
 			if (dp_trace_get_edp_poweroff_timestamp(link) != 0) {
@@ -946,7 +945,7 @@ void dce110_edp_wait_for_T12(
 						current_ts,
 						dp_trace_get_edp_poweroff_timestamp(link)), 1000000);
 
-		t12_duration += link->local_sink->edid_caps.panel_patch.extra_t12_ms; // Add extra T12
+		t12_duration += link->panel_config.pps.extra_t12_ms; // Add extra T12
 
 		if (time_since_edp_poweroff_ms < t12_duration)
 			msleep(t12_duration - time_since_edp_poweroff_ms);
@@ -965,6 +964,8 @@ void dce110_edp_backlight_control(
 	struct dc_context *ctx = link->ctx;
 	struct bp_transmitter_control cntl = { 0 };
 	uint8_t panel_instance;
+	unsigned int pre_T11_delay = OLED_PRE_T11_DELAY;
+	unsigned int post_T7_delay = OLED_POST_T7_DELAY;
 
 	if (dal_graphics_object_id_get_connector_id(link->link_enc->connector)
 		!= CONNECTOR_ID_EDP) {
@@ -1043,8 +1044,10 @@ void dce110_edp_backlight_control(
 
 	link_transmitter_control(ctx->dc_bios, &cntl);
 
-	if (enable && link->dpcd_sink_ext_caps.bits.oled)
-		msleep(OLED_POST_T7_DELAY);
+	if (enable && link->dpcd_sink_ext_caps.bits.oled) {
+		post_T7_delay += link->panel_config.pps.extra_post_t7_ms;
+		msleep(post_T7_delay);
+	}
 
 	if (link->dpcd_sink_ext_caps.bits.oled ||
 		link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1 ||
@@ -1066,8 +1069,10 @@ void dce110_edp_backlight_control(
 			DC_LOG_DC("edp_receiver_ready_T9 skipped\n");
 	}
 
-	if (!enable && link->dpcd_sink_ext_caps.bits.oled)
-		msleep(OLED_PRE_T11_DELAY);
+	if (!enable && link->dpcd_sink_ext_caps.bits.oled) {
+		pre_T11_delay += link->panel_config.pps.extra_pre_t11_ms;
+		msleep(pre_T11_delay);
+	}
 }
 
 void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx)

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

@@ -173,7 +173,8 @@ void dm_helpers_smu_timeout(struct dc_context *ctx, unsigned int msg_id, unsigne
 	(result == 0x0)
 void dm_helpers_init_panel_settings(
 	struct dc_context *ctx,
-	struct dc_panel_config *config);
+	struct dc_panel_config *config,
+	struct dc_sink *sink);
 void dm_helpers_override_panel_settings(
 	struct dc_context *ctx,
 	struct dc_panel_config *config);