From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 11 Dec 2012 22:42:24 +0000 (+0100)
Subject: drm/radeon: fix fence locking in the pageflip callback
X-Git-Tag: v3.8-rc1~82^2~2^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9af20792124850369e764965690b99b20623dfc4;p=pandora-kernel.git

drm/radeon: fix fence locking in the pageflip callback

We need to hold bdev->fence_lock while grabbing a reference to
the fence, to prevent concurrent clearing/changing of the
ttm_bo->sync_obj field.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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