drm/atomic: Clear crtcs, connectors and planes when clearing state

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / drm_atomic.c

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 5d3abe3904f0439796e916f5880767a76adb27c0..00ea88151c0184011d770cb958dd599d77ffb863 100644 (file)
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -134,6 +134,7 @@ void drm_atomic_state_clear(struct drm_atomic_state *state)
 
                connector->funcs->atomic_destroy_state(connector,
                                                       state->connector_states[i]);
+               state->connectors[i] = NULL;
                state->connector_states[i] = NULL;
        }
 
@@ -145,6 +146,7 @@ void drm_atomic_state_clear(struct drm_atomic_state *state)
 
                crtc->funcs->atomic_destroy_state(crtc,
                                                  state->crtc_states[i]);
+               state->crtcs[i] = NULL;
                state->crtc_states[i] = NULL;
        }
 
@@ -156,6 +158,7 @@ void drm_atomic_state_clear(struct drm_atomic_state *state)
 
                plane->funcs->atomic_destroy_state(plane,
                                                   state->plane_states[i]);
+               state->planes[i] = NULL;
                state->plane_states[i] = NULL;
        }
 }