[PATCH 18/33] drm/amd/display: Update latencies on DCN321

Rodrigo Siqueira Rodrigo.Siqueira at amd.com
Thu Oct 20 15:46:47 UTC 2022


From: Dillon Varone <Dillon.Varone at amd.com>

Update DF related latencies based on new measurements.

Reviewed-by: Jun Lei <Jun.Lei at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

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 dd90f241e906..7352f7514410 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
@@ -119,15 +119,15 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_21_soc = {
 		},
 	},
 	.num_states = 1,
-	.sr_exit_time_us = 12.36,
-	.sr_enter_plus_exit_time_us = 16.72,
+	.sr_exit_time_us = 19.95,
+	.sr_enter_plus_exit_time_us = 24.36,
 	.sr_exit_z8_time_us = 285.0,
 	.sr_enter_plus_exit_z8_time_us = 320,
 	.writeback_latency_us = 12.0,
 	.round_trip_ping_latency_dcfclk_cycles = 263,
-	.urgent_latency_pixel_data_only_us = 4.0,
-	.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
-	.urgent_latency_vm_data_only_us = 4.0,
+	.urgent_latency_pixel_data_only_us = 9.35,
+	.urgent_latency_pixel_mixed_with_vm_data_us = 9.35,
+	.urgent_latency_vm_data_only_us = 9.35,
 	.fclk_change_latency_us = 20,
 	.usr_retraining_latency_us = 2,
 	.smn_latency_us = 2,
-- 
2.35.1



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