drm/radeon: update wait_for_vblank for r1xx-r4xx

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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>
Cc: stable@vger.kernel.org

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Alex Deucher 2013-04-09 18:32:01 -04:00

parent f9df7ea33c

commit 2b48b968c0

1 changed files with 53 additions and 24 deletions

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77

drivers/gpu/drm/radeon/r100.c

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