i915_vblank_tasklet: Try harder to avoid tearing.

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Previously, if there were several buffer swaps scheduled for the same vertical
blank, all but the first blit emitted stood a chance of exhibiting tearing. In
order to avoid this, split the blits along slices of each output top to bottom.

Signed-off-by: Dave Airlie <airlied@linux.ie>

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=?utf-8?q?Michel_D=C3=A4nzer?= 2006-12-11 18:32:27 +11:00 • committed by Dave Airlie

parent 2c3f0eddfb

commit 3188a24c25

1 changed files with 139 additions and 60 deletions

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drivers/char/drm/i915_irq.c

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