[PATCH 02/70] drm/amd/display: Add Writeback Watermarks and Latency Fields

From: Austin Zheng <[email protected]>

Add fields that can used for writeback watermarks and latency margin

Signed-off-by: Austin Zheng <[email protected]>
Reviewed-by: Wayne Lin <[email protected]>
---
 .../gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h    | 1 +
 .../dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c       | 3 +++
 .../dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h     | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h
index 8d7960a340c2..cdfb5cd09edb 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/inc/dml_top_types.h
@@ -457,6 +457,7 @@ struct dml2_display_cfg_programming {
 			double fclk_pstate_change_us;
 			double usr_retraining_us;
 			double temp_read_or_ppt_watermark_us;
+			double writeback_temp_read_or_ppt_watermark_us;
 		} watermarks;
 
 		struct {
diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
index 51a66e1be7a1..b667fc9ad75f 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
@@ -317,6 +317,7 @@ dml_get_var_func(meta_trip_memory_us, double, mode_lib->mp.MetaTripToMemory);
 dml_get_var_func(wm_fclk_change, double, mode_lib->mp.Watermark.FCLKChangeWatermark);
 dml_get_var_func(wm_usr_retraining, double, mode_lib->mp.Watermark.USRRetrainingWatermark);
 dml_get_var_func(wm_temp_read_or_ppt, double, mode_lib->mp.Watermark.temp_read_or_ppt_watermark_us);
+dml_get_var_func(wm_writeback_temp_read_or_ppt, double, mode_lib->mp.Watermark.writeback_temp_read_or_ppt_watermark_us);
 dml_get_var_func(wm_dram_clock_change, double, mode_lib->mp.Watermark.DRAMClockChangeWatermark);
 dml_get_var_func(fraction_of_urgent_bandwidth, double, mode_lib->mp.FractionOfUrgentBandwidth);
 dml_get_var_func(fraction_of_urgent_bandwidth_imm_flip, double, mode_lib->mp.FractionOfUrgentBandwidthImmediateFlip);
@@ -13230,6 +13231,8 @@ void dml2_core_calcs_get_informative(const struct dml2_core_internal_display_mod
 	out->informative.watermarks.fclk_pstate_change_us = dml_get_wm_fclk_change(mode_lib);
 	out->informative.watermarks.usr_retraining_us = dml_get_wm_usr_retraining(mode_lib);
 	out->informative.watermarks.temp_read_or_ppt_watermark_us = dml_get_wm_temp_read_or_ppt(mode_lib);
+	out->informative.watermarks.writeback_temp_read_or_ppt_watermark_us = dml_get_wm_writeback_temp_read_or_ppt(mode_lib);
+
 
 	out->informative.mall.total_surface_size_in_mall_bytes = 0;
 	out->informative.dpp.total_num_dpps_required = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h
index e9f970794488..131cec64aa48 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_shared_types.h
@@ -212,6 +212,7 @@ struct dml2_core_internal_watermarks {
 	double Z8StutterEnterPlusExitWatermark;
 	double USRRetrainingWatermark;
 	double temp_read_or_ppt_watermark_us;
+	double writeback_temp_read_or_ppt_watermark_us;
 };
 
 struct dml2_core_internal_mode_support_info {
@@ -1269,6 +1270,7 @@ struct dml2_core_calcs_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport_local
 	double FullDETBufferingTimeC;
 	double WritebackDRAMClockChangeLatencyMargin;
 	double WritebackFCLKChangeLatencyMargin;
+	double WritebackTempReadOrPptLatencyMargin;
 	double WritebackLatencyHiding;
 
 	unsigned int TotalActiveWriteback;
-- 
2.43.0