diff options
| author |   Leo Li <sunpeng.li@amd.com> | 2025-03-11 09:43:38 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2025-03-26 17:43:47 -0400 |
| commit | 704bc361e3a4ead1c0eb40acc255b636b788dc89 (patch) | |
| tree | 40adcbfa565b9c064e9cb5dc92bcd8a74c8a8f9d /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | drm/amd/display: prevent hang on link training fail (diff) | |
| download | linux-rng-704bc361e3a4ead1c0eb40acc255b636b788dc89.tar.xz linux-rng-704bc361e3a4ead1c0eb40acc255b636b788dc89.zip | |
drm/amd/display: Actually do immediate vblank disable
[Why]
The `vblank_config.offdelay` field follows the same semantics as the
`drm_vblank_offdelay` parameter. Setting it to 0 will never disable
vblank.
[How]
Set `offdelay` to a positive number.
Fixes: e45b6716de4b ("drm/amd/display: use a more lax vblank enable policy for DCN35+")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index c75fcf726a44..d0d8ad5368c3 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8747,6 +8747,8 @@ static void manage_dm_interrupts(struct amdgpu_device *adev, config.offdelay_ms = offdelay ?: 30; } else { + /* offdelay_ms = 0 will never disable vblank */ + config.offdelay_ms = 1; config.disable_immediate = true; } |