diff options
| author |  Max Tseng <max.tseng@amd.com>
| 2023-09-22 16:50:53 +0800 |
|---|---|---|
| committer |  Alex Deucher <alexander.deucher@amd.com>
| 2023-10-09 16:53:17 -0400 |
| commit | 3557db425dd9e6d806617326bf71d1c8da2a707f (patch) | |
| tree | b6df3638575c94f6692105be111799a737cc4bef /drivers/gpu/drm/amd/display/dc/dcn35 | |
| parent | drm/amd/display: Update pmfw_driver_if new structure (diff) | |
| download | linux-3557db425dd9e6d806617326bf71d1c8da2a707f.tar.gz linux-3557db425dd9e6d806617326bf71d1c8da2a707f.tar.bz2 linux-3557db425dd9e6d806617326bf71d1c8da2a707f.zip | |
drm/amd/display: Modify Vmin default value
Fine tune the Vmin clock value
Reviewed-by: Robin Chen <robin.chen@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Max Tseng <max.tseng@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn35')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c index 828846538a92..f1d776f39543 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c @@ -1830,7 +1830,13 @@ static bool dcn35_resource_construct( dc->caps.color.mpc.ogam_rom_caps.hlg = 0; dc->caps.color.mpc.ocsc = 1; - dc->caps.max_disp_clock_khz_at_vmin = 669154; + /* max_disp_clock_khz_at_vmin is slightly lower than the STA value in order + * to provide some margin. + * It's expected for furture ASIC to have equal or higher value, in order to + * have determinstic power improvement from generate to genration. + * (i.e., we should not expect new ASIC generation with lower vmin rate) + */ + dc->caps.max_disp_clock_khz_at_vmin = 650000; /* Use pipe context based otg sync logic */ dc->config.use_pipe_ctx_sync_logic = true; |