From: Rob Clark <robdclark@gmail.com>
Date: Thu, 18 Dec 2014 21:01:51 +0000 (-0500)
Subject: drm/atomic: atomic_check functions
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~75^2~44^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e743737421fe9be9d7b25475427a3698e6f70a5;p=pandora-kernel.git

drm/atomic: atomic_check functions

Add functions to check core plane/crtc state.

v2: comments, int-overflow checks, call from core rather than
    helpers to be sure drivers can't find a way to bypass core
    checks

Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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