From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Sat, 6 Feb 2010 18:41:53 +0000 (-0800)
Subject: drm/i915: handle FBC and self-refresh better
X-Git-Tag: v2.6.33-rc8~2^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee25df2bc379728c45d81e04cf87984db1425edf;p=pandora-kernel.git

drm/i915: handle FBC and self-refresh better

On 945, we need to avoid entering self-refresh if the compressor is
busy, or we may cause display FIFO underruns leading to ugly flicker.

Fixes fdo bug #24314, kernel bug #15043.

Tested-by: Alexander Lam <lambchop468@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Julien Cristau <jcristau@debian.org> (fd.o #25371)
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
---

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