Alex Deucher fb9674bd2c
drm/radeon/kms: pageflipping cleanup for avivo+ ...
Avoid touching the flip setup regs while
acceleration is running. Set them at modeset
rather than during pageflip. Touching these
regs while acceleration is active caused hangs
on pre-avivo chips. These chips do not seem
to be affected, but better safe than sorry,
plus it avoids repeatedly reprogramming the
regs every flip.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com >
Signed-off-by: Dave Airlie <airlied@redhat.com >
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