From: Christian König <deathsimple@vodafone.de>
Date: Mon, 9 Jul 2012 08:52:39 +0000 (+0200)
Subject: drm/radeon: fix fence value access
X-Git-Tag: v3.6-rc1~83^2~36^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf66625e02ac8e4535627394bcfb237bbf8a157f;p=pandora-kernel.git

drm/radeon: fix fence value access

It is possible that radeon_fence_process is called
after writeback is disabled for suspend, leading
to an invalid read of register 0x0.

This fixes a problem for me where the fence value
is temporary incremented by 0x100000000 on
suspend/resume.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---

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