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| author | Austin Zheng <austin.zheng@amd.com> | 2023-06-01 15:16:45 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-15 10:44:49 -0400 |
| commit | da55037afde24d74a1a3f26e4d314f897f3432b4 (patch) | |
| tree | 338931186f45ed3d08804771b757ab663c4bf8f3 /drivers/gpu/drm/amd/display/dc/dcn30 | |
| parent | ec7282bd2688c6c741c79f8696a68c6c0403cf2d (diff) | |
| download | linux-stable-da55037afde24d74a1a3f26e4d314f897f3432b4.tar.gz linux-stable-da55037afde24d74a1a3f26e4d314f897f3432b4.tar.bz2 linux-stable-da55037afde24d74a1a3f26e4d314f897f3432b4.zip | |
drm/amd/display: Limit Minimum FreeSync Refresh Rate
Why:
Some EDIDs report a minimum refresh rate lower than what HW can support
How:
Add a check to calculate minimum supported refresh rate with current timing
and use that as the minimum if a lower one is passed in
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Austin Zheng <austin.zheng@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@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/dcn30')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index f4ee4b3df596..1a0284a068b2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -2328,6 +2328,7 @@ static bool dcn30_resource_construct( dc->caps.color.mpc.ocsc = 1; dc->caps.dp_hdmi21_pcon_support = true; + dc->caps.max_v_total = (1 << 15) - 1; /* read VBIOS LTTPR caps */ { |