diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 |
1 files changed, 6 insertions, 2 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 83896ecab0bb..abb7fb7b6f52 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -10213,11 +10213,15 @@ static bool parse_edid_cea(struct amdgpu_dm_connector *aconnector, struct amdgpu_hdmi_vsdb_info *vsdb_info) { struct amdgpu_device *adev = drm_to_adev(aconnector->base.dev); + bool ret; + mutex_lock(&adev->dm.dc_lock); if (adev->dm.dmub_srv) - return parse_edid_cea_dmub(&adev->dm, edid_ext, len, vsdb_info); + ret = parse_edid_cea_dmub(&adev->dm, edid_ext, len, vsdb_info); else - return parse_edid_cea_dmcu(&adev->dm, edid_ext, len, vsdb_info); + ret = parse_edid_cea_dmcu(&adev->dm, edid_ext, len, vsdb_info); + mutex_unlock(&adev->dm.dc_lock); + return ret; } static int parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector, |