diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 84995a48ec61..74e32246ff30 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -580,9 +580,11 @@ int amdgpu_dm_display_resume(struct amdgpu_device *adev ) if (aconnector->mst_port) continue; + mutex_lock(&aconnector->hpd_lock); dc_link_detect(aconnector->dc_link, false); aconnector->dc_sink = NULL; amdgpu_dm_update_connector_after_detect(aconnector); + mutex_unlock(&aconnector->hpd_lock); } /* Force mode set in atomic comit */ |