drm/i915/crt: Flush register prior to waiting for vblank.

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If we don't flush the write then we can not be sure that the border
colour will have taken effect by the time we try to read it back.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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Chris Wilson 2010-08-09 14:50:53 +01:00

parent 82d7c9e7da

commit 19c55da116

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drivers/gpu/drm/i915/intel_crt.c

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