From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Thu, 24 May 2012 18:08:59 +0000 (+0300)
Subject: drm/i915: Reject page flips with changed format/offset/pitch
X-Git-Tag: v3.6-rc1~83^2~39^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6a595d2db7ad403fcb2b7b168754d7551fc8c9b;p=pandora-kernel.git

drm/i915: Reject page flips with changed format/offset/pitch

MI display flips can't handle some changes in the framebuffer
format or layout. Return an error in such cases.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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