drm/radeon: update wait_for_vblank for r5xx-r7xx
authorAlex Deucher <alexander.deucher@amd.com>
Tue, 9 Apr 2013 22:41:15 +0000 (18:41 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 11 May 2013 20:54:04 +0000 (13:54 -0700)
commit1ea646f51598f297ca8a68d546a383c003f002ed
treef37df9eedb1b3d837455a42741cd05effefbbb63
parent6e08af0fb303c97a5bd7be70922110c0a983a1d1
drm/radeon: update wait_for_vblank for r5xx-r7xx

commit bea5497bfc1067620c8c8e9d37a42e0bb6d7d7fa upstream.

Properly wait for the next vblank region.  The previous
code didn't always wait long enough depending on the timing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/radeon/rs600.c