Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[linux.git] / drivers / gpu / drm / drm_atomic.c

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 50f5cf7b69d1dc55fd427efa61e7e8e5eeff80d0..fdfb1ec17e660efa0b1f2c1f7273fa8d6fd8567a 100644 (file)
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -2032,13 +2032,16 @@ static void complete_crtc_signaling(struct drm_device *dev,
        }
 
        for_each_crtc_in_state(state, crtc, crtc_state, i) {
+               struct drm_pending_vblank_event *event = crtc_state->event;
                /*
-                * TEST_ONLY and PAGE_FLIP_EVENT are mutually
-                * exclusive, if they weren't, this code should be
-                * called on success for TEST_ONLY too.
+                * Free the allocated event. drm_atomic_helper_setup_commit
+                * can allocate an event too, so only free it if it's ours
+                * to prevent a double free in drm_atomic_state_clear.
                 */
-               if (crtc_state->event)
-                       drm_event_cancel_free(dev, &crtc_state->event->base);
+               if (event && (event->base.fence || event->base.file_priv)) {
+                       drm_event_cancel_free(dev, &event->base);
+                       crtc_state->event = NULL;
+               }
        }
 
        if (!fence_state)