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path: root/drivers/gpu/drm/drm_damage_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_damage_helper.c')
-rw-r--r--drivers/gpu/drm/drm_damage_helper.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_damage_helper.c b/drivers/gpu/drm/drm_damage_helper.c
index 8230dac01a89..3a4126dc2520 100644
--- a/drivers/gpu/drm/drm_damage_helper.c
+++ b/drivers/gpu/drm/drm_damage_helper.c
@@ -212,8 +212,14 @@ retry:
drm_for_each_plane(plane, fb->dev) {
struct drm_plane_state *plane_state;
- if (plane->state->fb != fb)
+ ret = drm_modeset_lock(&plane->mutex, state->acquire_ctx);
+ if (ret)
+ goto out;
+
+ if (plane->state->fb != fb) {
+ drm_modeset_unlock(&plane->mutex);
continue;
+ }
plane_state = drm_atomic_get_plane_state(state, plane);
if (IS_ERR(plane_state)) {