From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 20 Jan 2012 09:43:44 +0000 (+0100)
Subject: drm/i915: clarify gen2 pageflip cmd
X-Git-Tag: v3.4-rc1~143^2~89^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6a32fcbbbc25d7d4e7178aa984e5ef186ee9589;p=pandora-kernel.git

drm/i915: clarify gen2 pageflip cmd

I've reviewed gen2 pageflip code to hunt down multiple prepare pageflip
issues. The only thing I've found is a slight but functionally
meaningless confusion about the length of the mi cmd.

Fix it up and add a comment about what this dword should be (according
to docs at least).

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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