From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 19 Apr 2012 14:45:22 +0000 (+0200)
Subject: drm/i915: invalidate render cache on gen2
X-Git-Tag: v3.5-rc1~83^2~81^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=31b14c9fc596a68a2a982d7e3c136922f81a2e25;p=pandora-kernel.git

drm/i915: invalidate render cache on gen2

It looks like we also need to flush the render cache when we just
invalidate it. This fixes a regression in i-g-t/gem_tiled_blits on my
i855gm. I guess the render cache there is virtually indexed, so we
need to clean it when changing gtt mappings.

This regression has been introduce in

commit 46f0f8d120c4afae53a5670bf3ac80a928340ff3
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Wed Apr 18 11:12:11 2012 +0100

    drm/i915: Don't set a MBZ bit in gen2/3 MI_FLUSH

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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