From: Jerome Glisse <jglisse@redhat.com>
Date: Fri, 15 Jan 2010 13:44:39 +0000 (+0100)
Subject: drm/radeon/kms: r600 handle irq vector ring overflow
X-Git-Tag: v2.6.33-rc6~27^2~6^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7924e5eb8fe422d6b1ce3b3e2be749a480dfcdd9;p=pandora-kernel.git

drm/radeon/kms: r600 handle irq vector ring overflow

In some rare case i faced an irq overflow quickly followed by
a GPU lockup (hard hang) this patch try to deal with irq vector
ring overflow, so far haven't been able to reproduce it with
the patch.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
---

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