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path: root/common/recipes-kernel/linux/files/0590-drm-amd-dal-clean-up-watermark-structs.patch
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From 26cb0f6a249c7a51de01fec74b8a8a07e47aacb5 Mon Sep 17 00:00:00 2001
From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Thu, 3 Dec 2015 16:33:14 -0500
Subject: [PATCH 0590/1110] drm/amd/dal: clean up watermark structs

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
 drivers/gpu/drm/amd/dal/dc/calcs/bandwidth_calcs.c | 58 ++++++++++------------
 drivers/gpu/drm/amd/dal/dc/core/dc.c               |  2 +-
 .../drm/amd/dal/dc/dce110/dce110_hw_sequencer.c    |  6 +--
 .../gpu/drm/amd/dal/dc/dce110/dce110_resource.c    |  2 +-
 drivers/gpu/drm/amd/dal/dc/inc/bandwidth_calcs.h   |  9 ++--
 5 files changed, 35 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/amd/dal/dc/calcs/bandwidth_calcs.c b/drivers/gpu/drm/amd/dal/dc/calcs/bandwidth_calcs.c
index 542b3d7..2b54eb6 100644
--- a/drivers/gpu/drm/amd/dal/dc/calcs/bandwidth_calcs.c
+++ b/drivers/gpu/drm/amd/dal/dc/calcs/bandwidth_calcs.c
@@ -3367,85 +3367,79 @@ bool bw_calcs(struct dc_context *ctx, const struct bw_calcs_input_dceip *dceip,
 
 	if (bw_data_internal->number_of_displays != 0) {
 		struct bw_fixed high_sclk = vbios->high_sclk_mhz;
+		struct bw_fixed mid_sclk = vbios->mid_sclk_mhz;
 		struct bw_fixed low_sclk = vbios->low_sclk_mhz;
 		struct bw_fixed high_yclk = vbios->high_yclk_mhz;
 		struct bw_fixed low_yclk = vbios->low_yclk_mhz;
 
-		((struct bw_calcs_input_vbios *)vbios)->low_yclk_mhz = low_yclk;
-		((struct bw_calcs_input_vbios *)vbios)->high_yclk_mhz = low_yclk;
-		((struct bw_calcs_input_vbios *)vbios)->low_sclk_mhz = low_sclk;
-		((struct bw_calcs_input_vbios *)vbios)->mid_sclk_mhz = low_sclk;
-		((struct bw_calcs_input_vbios *)vbios)->high_sclk_mhz = low_sclk;
 		calculate_bandwidth(dceip, vbios, bw_data_internal,
 							bw_results_internal);
 
 		/* units: nanosecond, 16bit storage. */
-		calcs_output->nbp_state_change_watermark[0].b_mark =
+		calcs_output->nbp_state_change_wm_ns[0].b_mark =
 			mul(bw_results_internal->nbp_state_change_watermark[4],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->nbp_state_change_watermark[1].b_mark =
+		calcs_output->nbp_state_change_wm_ns[1].b_mark =
 			mul(bw_results_internal->nbp_state_change_watermark[5],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->nbp_state_change_watermark[2].b_mark =
+		calcs_output->nbp_state_change_wm_ns[2].b_mark =
 			mul(bw_results_internal->nbp_state_change_watermark[6],
 					int_to_fixed(1000)).value >> 24;
 
-		calcs_output->stutter_exit_watermark[0].b_mark =
+		calcs_output->stutter_exit_wm_ns[0].b_mark =
 			mul(bw_results_internal->stutter_exit_watermark[4],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->stutter_exit_watermark[1].b_mark =
+		calcs_output->stutter_exit_wm_ns[1].b_mark =
 			mul(bw_results_internal->stutter_exit_watermark[5],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->stutter_exit_watermark[2].b_mark =
+		calcs_output->stutter_exit_wm_ns[2].b_mark =
 			mul(bw_results_internal->stutter_exit_watermark[6],
 					int_to_fixed(1000)).value >> 24;
 
-		calcs_output->urgent_watermark[0].b_mark =
+		calcs_output->urgent_wm_ns[0].b_mark =
 			mul(bw_results_internal->urgent_watermark[4],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->urgent_watermark[1].b_mark =
+		calcs_output->urgent_wm_ns[1].b_mark =
 			mul(bw_results_internal->urgent_watermark[5],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->urgent_watermark[2].b_mark =
+		calcs_output->urgent_wm_ns[2].b_mark =
 			mul(bw_results_internal->urgent_watermark[6],
 					int_to_fixed(1000)).value >> 24;
 
 		((struct bw_calcs_input_vbios *)vbios)->low_yclk_mhz = high_yclk;
-		((struct bw_calcs_input_vbios *)vbios)->high_yclk_mhz = high_yclk;
 		((struct bw_calcs_input_vbios *)vbios)->low_sclk_mhz = high_sclk;
 		((struct bw_calcs_input_vbios *)vbios)->mid_sclk_mhz = high_sclk;
-		((struct bw_calcs_input_vbios *)vbios)->high_sclk_mhz = high_sclk;
 
 		calculate_bandwidth(dceip, vbios, bw_data_internal,
 							bw_results_internal);
 
-		calcs_output->nbp_state_change_watermark[0].a_mark =
+		calcs_output->nbp_state_change_wm_ns[0].a_mark =
 			mul(bw_results_internal->nbp_state_change_watermark[4],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->nbp_state_change_watermark[1].a_mark =
+		calcs_output->nbp_state_change_wm_ns[1].a_mark =
 			mul(bw_results_internal->nbp_state_change_watermark[5],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->nbp_state_change_watermark[2].a_mark =
+		calcs_output->nbp_state_change_wm_ns[2].a_mark =
 			mul(bw_results_internal->nbp_state_change_watermark[6],
 					int_to_fixed(1000)).value >> 24;
 
-		calcs_output->stutter_exit_watermark[0].a_mark =
+		calcs_output->stutter_exit_wm_ns[0].a_mark =
 			mul(bw_results_internal->stutter_exit_watermark[4],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->stutter_exit_watermark[1].a_mark =
+		calcs_output->stutter_exit_wm_ns[1].a_mark =
 			mul(bw_results_internal->stutter_exit_watermark[5],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->stutter_exit_watermark[2].a_mark =
+		calcs_output->stutter_exit_wm_ns[2].a_mark =
 			mul(bw_results_internal->stutter_exit_watermark[6],
 					int_to_fixed(1000)).value >> 24;
 
-		calcs_output->urgent_watermark[0].a_mark =
+		calcs_output->urgent_wm_ns[0].a_mark =
 			mul(bw_results_internal->urgent_watermark[4],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->urgent_watermark[1].a_mark =
+		calcs_output->urgent_wm_ns[1].a_mark =
 			mul(bw_results_internal->urgent_watermark[5],
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->urgent_watermark[2].a_mark =
+		calcs_output->urgent_wm_ns[2].a_mark =
 			mul(bw_results_internal->urgent_watermark[6],
 					int_to_fixed(1000)).value >> 24;
 
@@ -3460,25 +3454,23 @@ bool bw_calcs(struct dc_context *ctx, const struct bw_calcs_input_dceip *dceip,
 		calcs_output->dispclk_khz =
 				mul(bw_results_internal->dispclk,
 					int_to_fixed(1000)).value >> 24;
-		calcs_output->blackout_recovery_time_us =
-			mul(bw_results_internal->blackout_recovery_time,
-					int_to_fixed(1000)).value >> 24;
+		/*TODO:fix formula to unhardcode use levels*/
+		calcs_output->required_blackout_duration_us =
+			add(bw_results_internal->blackout_duration_margin[2][2],
+					vbios->blackout_duration).value >> 24;
 		calcs_output->required_sclk =
 			mul(bw_results_internal->required_sclk,
 					int_to_fixed(1000)).value >> 24;
 		calcs_output->required_sclk_deep_sleep =
 			mul(bw_results_internal->sclk_deep_sleep,
 					int_to_fixed(1000)).value >> 24;
-		/*TODO:fix formula to unhardcode*/
+		/*TODO:fix formula to unhardcode use levels*/
 		calcs_output->required_yclk =
 				mul(high_yclk, int_to_fixed(1000)).value >> 24;
 
 		((struct bw_calcs_input_vbios *)vbios)->low_yclk_mhz = low_yclk;
-		((struct bw_calcs_input_vbios *)vbios)->high_yclk_mhz =
-								high_yclk;
 		((struct bw_calcs_input_vbios *)vbios)->low_sclk_mhz = low_sclk;
-		((struct bw_calcs_input_vbios *)vbios)->mid_sclk_mhz = high_sclk;
-		((struct bw_calcs_input_vbios *)vbios)->high_sclk_mhz = high_sclk;
+		((struct bw_calcs_input_vbios *)vbios)->mid_sclk_mhz = mid_sclk;
 	} else {
 		calcs_output->nbp_state_change_enable = true;
 		calcs_output->cpuc_state_change_enable = true;
diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc.c b/drivers/gpu/drm/amd/dal/dc/core/dc.c
index feda859..6351ef5 100644
--- a/drivers/gpu/drm/amd/dal/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/dal/dc/core/dc.c
@@ -579,7 +579,7 @@ static void pplib_apply_display_requirements(
 	pp_display_cfg.cpu_pstate_disable =
 			context->bw_results.cpup_state_change_enable == false;
 	pp_display_cfg.cpu_pstate_separation_time =
-			context->bw_results.blackout_recovery_time_us;
+			context->bw_results.required_blackout_duration_us;
 
 	pp_display_cfg.min_memory_clock_khz = context->bw_results.required_yclk;
 	pp_display_cfg.min_engine_clock_khz = context->bw_results.required_sclk;
diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c
index edbf3ce..10cc727 100644
--- a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c
@@ -1155,11 +1155,11 @@ static void set_displaymarks(
 			dce110_mem_input_program_display_marks(
 				stream->mi,
 				context->bw_results
-				.nbp_state_change_watermark[total_streams],
+				.nbp_state_change_wm_ns[total_streams],
 				context->bw_results
-					.stutter_exit_watermark[total_streams],
+					.stutter_exit_wm_ns[total_streams],
 				context->bw_results
-					.urgent_watermark[total_streams],
+					.urgent_wm_ns[total_streams],
 				stream->public.timing.h_total,
 				stream->public.timing.pix_clk_khz,
 				1000 * dc->bw_vbios.blackout_duration
diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_resource.c
index 6121277..400271e 100644
--- a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_resource.c
@@ -575,7 +575,7 @@ enum dc_status dce110_validate_bandwidth(
 		LOG_MINOR_BWM_REQUIRED_BANDWIDTH_CALCS,
 		"%s: Finish bandwidth calculations\n nbpMark: %d",
 		__func__,
-		context->bw_results.nbp_state_change_watermark[0].b_mark);
+		context->bw_results.nbp_state_change_wm_ns[0].b_mark);
 
 	return result;
 }
diff --git a/drivers/gpu/drm/amd/dal/dc/inc/bandwidth_calcs.h b/drivers/gpu/drm/amd/dal/dc/inc/bandwidth_calcs.h
index 6422298..fb04ce3 100644
--- a/drivers/gpu/drm/amd/dal/dc/inc/bandwidth_calcs.h
+++ b/drivers/gpu/drm/amd/dal/dc/inc/bandwidth_calcs.h
@@ -242,6 +242,7 @@ struct bw_calcs_input_mode_data {
  * Output data structure(s).
  ******************************************************************************/
 #define maximum_number_of_surfaces 12
+/*Units : MHz, us */
 struct bw_results_internal {
 	bool cpup_state_change_enable;
 	bool cpuc_state_change_enable;
@@ -430,14 +431,14 @@ struct bw_calcs_output {
 	bool cpup_state_change_enable;
 	bool stutter_mode_enable;
 	bool nbp_state_change_enable;
-	struct bw_watermarks urgent_watermark[4];
-	struct bw_watermarks stutter_exit_watermark[4];
-	struct bw_watermarks nbp_state_change_watermark[4];
+	struct bw_watermarks urgent_wm_ns[4];
+	struct bw_watermarks stutter_exit_wm_ns[4];
+	struct bw_watermarks nbp_state_change_wm_ns[4];
 	uint32_t required_sclk;
 	uint32_t required_sclk_deep_sleep;
 	uint32_t required_yclk;
 	uint32_t dispclk_khz;
-	uint32_t blackout_recovery_time_us;
+	uint32_t required_blackout_duration_us;
 };
 
 
-- 
2.7.4