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drm/exynos: atomic check only enabled crtc states

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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>
This commit is contained in:
Andrzej Hajda 2015-11-27 07:57:31 +01:00 committed by Inki Dae
parent 6545f31897
commit c4e074074c
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/exynos/exynos_drm_crtc.c
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@ -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);