iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/display: Fix potential memory leak

Browse Source 
[Why]
vblank_workqueue is never released.

[How]
Free it upon dm finish.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Qingqing Zhuo 2021-03-09 15:10:24 -05:00 committed by Alex Deucher
parent 1c5ea40c2a
commit 51ba691206
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -1226,6 +1226,15 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
if (adev->dm.dc)
dc_deinit_callbacks(adev->dm.dc);
#endif
#if defined(CONFIG_DRM_AMD_DC_DCN)
if (adev->dm.vblank_workqueue) {
adev->dm.vblank_workqueue->dm = NULL;
kfree(adev->dm.vblank_workqueue);
adev->dm.vblank_workqueue = NULL;
}
#endif
if (adev->dm.dc->ctx->dmub_srv) {
dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv);
adev->dm.dc->ctx->dmub_srv = NULL;