1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index c39c1bc13016..144c32d37136 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -585,7 +585,7 @@ static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
         header = radeon_get_ib_value(p, h_idx);
         crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
         reg = CP_PACKET0_GET_REG(header);
-        mutex_lock(&p->rdev->ddev->mode_config.mutex);
+
         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
         if (!obj) {
                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
@@ -620,7 +620,6 @@ static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
                 ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
         }
 out:
-        mutex_unlock(&p->rdev->ddev->mode_config.mutex);
         return r;
 }