On Tue, 12 Jul 2011 18:03:29 +0100, Chris Wilson wrote:
...which is measured by the size and not the amount of space
remaining.
Waiting upon size-8, did one of two things. In the common case with
more
than 8 bytes available to write into the ring, it would return
immediately. Otherwise, it would timeout given the impossible
condition
of waiting for more space than is available in the ring, leading to
warnings such as:
[drm:intel_cleanup_ring_buffer] *ERROR* failed to quiesce render ring
whilst cleaning up: -16
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Reviewed-by: Ben Widawsky <b...@bwidawsk.net>
This may potentially fix:
https://bugzilla.kernel.org/show_bug.cgi?id=38332
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