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.ha...@samsung.com>
Suggested-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
Hi Javier,

Could you check with this patch.

Regards
Andrzej

 drivers/gpu/drm/exynos/exynos_drm_crtc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c 
b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index b3ba27f..e693571 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -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);
 
-- 
1.9.1

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