drm/radeon: update wait_for_vblank for r5xx-r7xx

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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 18:41:15 -04:00

parent 2b48b968c0

commit bea5497bfc

1 changed files with 44 additions and 8 deletions

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52

drivers/gpu/drm/radeon/rs600.c

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