iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/display: Increase stutter watermark for dcn302 and dcn303

Browse Source 
[Why]
Current watermarks end up programming lowers watermarks which
results in screen flickering and underflow for certain modes like 1440p.

[How]
Add 11us to stutter exit & stutter enter plus exit watermark.

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai 2021-06-16 09:41:38 -04:00 committed by Alex Deucher
parent e11d5e0d68
commit ceaf9f5719
2 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
View File

@ -164,8 +164,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_02_soc = {
.min_dcfclk = 500.0, /* TODO: set this to actual min DCFCLK */
.num_states = 1,
.sr_exit_time_us = 15.5,
.sr_enter_plus_exit_time_us = 20,
.sr_exit_time_us = 26.5,
.sr_enter_plus_exit_time_us = 31,
.urgent_latency_us = 4.0,
.urgent_latency_pixel_data_only_us = 4.0,
.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,

4
drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
View File

@ -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 = 15.5,
.sr_enter_plus_exit_time_us = 20,
.sr_exit_time_us = 26.5,
.sr_enter_plus_exit_time_us = 31,
.urgent_latency_us = 4.0,
.urgent_latency_pixel_data_only_us = 4.0,
.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,