Commit 4b08eae5 authored Dec 08, 2014 by Rob Clark Committed by Daniel Vetter Dec 17, 2014

drm/atomic: fix potential null ptr on plane enable



When a plane is being enabled, plane->crtc has not been set yet.  Use
plane->state->crtc.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 4e0cd681

drivers/gpu/drm/drm_atomic_helper.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -61,7 +61,7 @@ drm_atomic_helper_plane_changed(struct drm_atomic_state *state,
		struct drm_crtc_state *crtc_state;

		if (plane->state->crtc) {
		crtc_state = state->crtc_states[drm_crtc_index(plane->crtc)];
		crtc_state = state->crtc_states[drm_crtc_index(plane->state->crtc)];

		if (WARN_ON(!crtc_state))
		return;