From: George Shen Date: Thu, 1 Sep 2022 19:03:50 +0000 (-0400) Subject: drm/amd/display: Fix urgent latency override for DCN32/DCN321 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e7f2f4cd67443ce308480ca461806fcc3456e0ba;p=linux.git drm/amd/display: Fix urgent latency override for DCN32/DCN321 [Why] The urgent latency override is useful when debugging issues relating to underflow. Current overridden variable is not correct and has no effect on DCN3.2 and DCN3.21 DML calculations. [How] For DCN3.2 and DCN3.21, override the correct urgent latency variable when bounding box override is present. Reviewed-by: Alvin Lee Reviewed-by: Nevenko Stupar Acked-by: Wayne Lin Signed-off-by: George Shen Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 7ff7cd8b5c93e..b8d4547a885f8 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -2197,6 +2197,7 @@ void dcn32_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_pa if ((int)(dcn3_2_soc.urgent_latency_us * 1000) != dc->bb_overrides.urgent_latency_ns && dc->bb_overrides.urgent_latency_ns) { dcn3_2_soc.urgent_latency_us = dc->bb_overrides.urgent_latency_ns / 1000.0; + dcn3_2_soc.urgent_latency_pixel_data_only_us = dc->bb_overrides.urgent_latency_ns / 1000.0; } if ((int)(dcn3_2_soc.dram_clock_change_latency_us * 1000) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c index 7ebf25e87933f..dd90f241e9065 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c @@ -489,6 +489,7 @@ void dcn321_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_p if ((int)(dcn3_21_soc.urgent_latency_us * 1000) != dc->bb_overrides.urgent_latency_ns && dc->bb_overrides.urgent_latency_ns) { dcn3_21_soc.urgent_latency_us = dc->bb_overrides.urgent_latency_ns / 1000.0; + dcn3_21_soc.urgent_latency_pixel_data_only_us = dc->bb_overrides.urgent_latency_ns / 1000.0; } if ((int)(dcn3_21_soc.dram_clock_change_latency_us * 1000)