[Intel-gfx] [PATCH] i915: add page flipping ioctl
keithp at keithp.com
Wed Feb 25 23:29:32 CET 2009
On Wed, 2009-02-25 at 11:42 -0800, Jesse Barnes wrote:
> Ok, I'll pull that bit out... but doing that introduces a small race. If we
> lose the race (the flip happens immediately and we get interrupted before
> adding the object to the vblank queue) the object will be stalled for one
> extra frame.
So wait for space, grab the lock, check for space again, and retry if
you fail, right?
keith.packard at intel.com
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