diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-01-27 22:46:55 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-01-27 22:46:55 +0000 |
| commit | 557066017d7d7c67696e8e62e0614eddb255c3f7 (patch) | |
| tree | 1cc32a6f122cb505b1e595d7f5bde4ac91cf021f /sys/dev/pci | |
| parent | 95d2b9906c55ce6259872f45686acc5d055e3470 (diff) | |
drm/amd/display: Fix bug in debugfs crc_win_update entry
From Wayne Lin
6dcc6706dab10744d277bdc2613fb135c6a632dd in linux 5.15.y/5.15.17
4bef85d4c9491415b7931407b07f24841c1e0390 in mainline linux
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index de9ec5ddb6c..e94ddd5e7b6 100644 --- a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -2908,10 +2908,13 @@ static int crc_win_update_set(void *data, u64 val) struct amdgpu_device *adev = drm_to_adev(new_crtc->dev); struct crc_rd_work *crc_rd_wrk = adev->dm.crc_rd_wrk; + if (!crc_rd_wrk) + return 0; + if (val) { spin_lock_irq(&adev_to_drm(adev)->event_lock); spin_lock_irq(&crc_rd_wrk->crc_rd_work_lock); - if (crc_rd_wrk && crc_rd_wrk->crtc) { + if (crc_rd_wrk->crtc) { old_crtc = crc_rd_wrk->crtc; old_acrtc = to_amdgpu_crtc(old_crtc); } |