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Commit d6948b2f authored by Andrzej Hajda's avatar Andrzej Hajda Committed by Inki Dae
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drm/exynos: enable vblank after DPMS on 



Before DPMS off driver disables vblank.
It should be balanced by vblank enable after DPMS on.
The patch fixes issue with page_flip ioctl not being able
to acquire vblank counter introduced by patch:
drm: Always reject drm_vblank_get() after drm_vblank_off()

Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 3cb6830a

drivers/gpu/drm/exynos/exynos_drm_crtc.c

+4 −1
Original line number Diff line number Diff line
@@ -71,13 +71,16 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) 
				!atomic_read(&exynos_crtc->pending_flip),

				HZ/20))

			atomic_set(&exynos_crtc->pending_flip, 0);

		drm_vblank_off(crtc->dev, exynos_crtc->pipe);

		drm_crtc_vblank_off(crtc);

	}



	if (manager->ops->dpms)

		manager->ops->dpms(manager, mode);



	exynos_crtc->dpms = mode;



	if (mode == DRM_MODE_DPMS_ON)

		drm_crtc_vblank_on(crtc);

}



static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)