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drm/exynos: check crtc's dpms mode at page flip
authorInki Dae <inki.dae@samsung.com>
Tue, 11 Sep 2012 09:25:21 +0000 (18:25 +0900)
committerInki Dae <inki.dae@samsung.com>
Thu, 4 Oct 2012 01:06:01 +0000 (10:06 +0900)
when page flip is requested, crtc's dpms mode should be on.
if not on, return -EINVAL so that it doesn't access hardware.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

No differences found
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