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 14:18:31 +0000 (07:18 -0700)
commit4bafb0c54acae09a8d3774512c953c4f7a2074b9
treeb615664b39dac4c040b2dc439c4603d5bc0322dd
parent698733fbe19f26b0fd0e0615f9999aacfd935be2
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