diff options
| author | Hersen Wu <hersenxs.wu@amd.com> | 2023-03-28 10:45:24 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-26 22:30:03 -0400 |
| commit | 3cf7cd3f770a0b89dc5f06e19edb52e65b93b214 (patch) | |
| tree | 3e4601ed28193193898eb8470c3219245e1bb191 /drivers/cxl | |
| parent | 0c0463ff010b80a0c03937ca8cf85587ded2f20e (diff) | |
drm/amd/display: fix access hdcp_workqueue assert
[Why] hdcp are enabled for asics from raven. for old asics
which hdcp are not enabled, hdcp_workqueue are null. some
access to hdcp work queue are not guarded with pointer check.
[How] add hdcp_workqueue pointer check before access workqueue.
Fixes: 82986fd631fa ("drm/amd/display: save restore hdcp state when display is unplugged from mst hub")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2444
Reported-by: Niklāvs Koļesņikovs <89q1r14hd@relay.firefox.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@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/cxl')
0 files changed, 0 insertions, 0 deletions