Commit c4e07407 authored Nov 27, 2015 by Andrzej Hajda Committed by Inki Dae Dec 20, 2015

drm/exynos: atomic check only enabled crtc states



Since atomic check is called also for disabled crtcs it should skip
mode checking as it can be uninitialized. The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

parent 6545f318

drivers/gpu/drm/exynos/exynos_drm_crtc.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,9 @@ static int exynos_crtc_atomic_check(struct drm_crtc *crtc,
		{
		struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);

		if (!state->enable)
		return 0;

		if (exynos_crtc->ops->atomic_check)
		return exynos_crtc->ops->atomic_check(exynos_crtc, state);