diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2021-09-07 16:53:03 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-16 16:56:23 +0300 |
| commit | b3a7b268c147119a9776185b4f37e1555ead9d68 (patch) | |
| tree | 5b4070577b1eb0ef8e87fb422d25b149b466209a /virt | |
| parent | b04ce53eac2fc326290817a6f64a440b5bffd2e3 (diff) | |
| download | linux-b3a7b268c147119a9776185b4f37e1555ead9d68.tar.xz | |
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 'virt')
0 files changed, 0 insertions, 0 deletions