From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 8 Jul 2011 11:22:39 +0000 (+0100)
Subject: drm/i915: Use of a CPU fence is mandatory to update FBC regions upon CPU writes
X-Git-Tag: v3.1-rc1~230^2~18^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de568510cd410d82d370d3000808aca63ef28a22;p=pandora-kernel.git

drm/i915: Use of a CPU fence is mandatory to update FBC regions upon CPU writes

...and this requirement is enforced by intel_update_fbc() so we can
remove the later check from g4x_enable_fbc() and ironlake_enable_fbc().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
---

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