drm/i915: Wait for vblank before unpinning old fb

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Be paranoid and ensure that the vblank has passed and the scanout has
switched to the new fb, before unpinning the old one and possibly
tearing down its PTEs.

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

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This commit is contained in:

Chris Wilson 2010-12-14 16:09:31 +00:00

parent c6df541c00

commit b7f1de289c

1 changed files with 3 additions and 1 deletions

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4

drivers/gpu/drm/i915/intel_display.c

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