[PATCH 3/9] drm/amd/display: Increase stutter watermark for dcn303
Aurabindo Pillai
aurabindo.pillai at amd.com
Thu Jul 29 20:37:06 UTC 2021
From: Bing Guo <bing.guo at amd.com>
[Why&How]
Hardware team suggested to use SRExitTime= 35.5us as w/a to prevent
underflow in certain modes.
Reviewed-by: Martin Leung <martin.leung at amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
Signed-off-by: Bing Guo <Bing.Guo at amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
index 833ab13fa834..dc7823d23ba8 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
@@ -146,8 +146,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_03_soc = {
.min_dcfclk = 500.0, /* TODO: set this to actual min DCFCLK */
.num_states = 1,
- .sr_exit_time_us = 26.5,
- .sr_enter_plus_exit_time_us = 31,
+ .sr_exit_time_us = 35.5,
+ .sr_enter_plus_exit_time_us = 40,
.urgent_latency_us = 4.0,
.urgent_latency_pixel_data_only_us = 4.0,
.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
--
2.32.0
More information about the amd-gfx
mailing list