diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2021-09-07 09:53:03 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-14 15:36:14 -0400 |
| commit | 06dd1888ee58d2529f55916e250f0e272b0b8407 (patch) | |
| tree | 5669c5f36df8fd84fbb1b30eaa3e42f59c64dec3 /drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | |
| parent | 8a4d393ef4977dd5b937f09753d603de9e29b9bf (diff) | |
| download | linux-stable-06dd1888ee58d2529f55916e250f0e272b0b8407.tar.gz linux-stable-06dd1888ee58d2529f55916e250f0e272b0b8407.tar.bz2 linux-stable-06dd1888ee58d2529f55916e250f0e272b0b8407.zip | |
drm/amd/display: Add NULL checks for vblank workqueue
[Why]
If we're running a headless config with 0 links then the vblank
workqueue will be NULL - causing a NULL pointer exception during
any commit.
[How]
Guard access to the workqueue if it's NULL and don't queue or flush
work if it is.
Reported-by: Mike Lothian <mike@fireburn.co.uk>
BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1700
Fixes: 58aa1c50e5a231 ("drm/amd/display: Use vblank control events for PSR enable/disable")
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c')
0 files changed, 0 insertions, 0 deletions