From aaf8a5167291b65e9116cb8736d862965b57c13a Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri, 5 Jul 2013 23:39:50 +0200
Subject: [PATCH] drm/i915: fix up ring cleanup for the i830/i845 CS tlb w/a

It's not a good idea to also run the pipe_control cleanup.

This regression has been introduced whith the original cs tlb w/a in

commit b45305fce5bb1abec263fcff9d81ebecd6306ede
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Mon Dec 17 16:21:27 2012 +0100

    drm/i915: Implement workaround for broken CS tlb on i830/845

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64610
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
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