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Commit 5d39b9ee authored by Rahul Sharma's avatar Rahul Sharma Committed by Inki Dae
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drm/exynos: enable vsync interrupt while waiting for vblank 



mixer_wait_for_vblank function expects that the upcoming
vsync interrupt handler routine will clear the
wait_vsync_event atomic variable.

For this to happen, interrupts should be enabled and
disabled properly.

Signed-off-by: default avatarRahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent d74ed937

drivers/gpu/drm/exynos/exynos_mixer.c

+4 −0
Original line number Diff line number Diff line
@@ -1019,6 +1019,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr) 
	}

	mutex_unlock(&mixer_ctx->mixer_mutex);



	drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe);



	atomic_set(&mixer_ctx->wait_vsync_event, 1);



	/*
@@ -1029,6 +1031,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr) 
				!atomic_read(&mixer_ctx->wait_vsync_event),

				HZ/20))

		DRM_DEBUG_KMS("vblank wait timed out.\n");



	drm_vblank_put(mgr->crtc->dev, mixer_ctx->pipe);

}



static void mixer_window_suspend(struct exynos_drm_manager *mgr)