Commit 51ba6912 authored by Qingqing Zhuo's avatar Qingqing Zhuo Committed by Alex Deucher
Browse files

drm/amd/display: Fix potential memory leak 



[Why]
vblank_workqueue is never released.

[How]
Free it upon dm finish.

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: default avatarNicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: default avatarSolomon Chiu <solomon.chiu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1c5ea40c

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+9 −0
Original line number Diff line number Diff line
@@ -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;