drm/i915: Sleep whilst waiting for the ring

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If userspace is submitting so many long running batches that the ring
becomes full, throttle by sleeping for a 1ms before checking for free
space. Simply yielding was causing excessive scheduler overhead whilst
making no progress.

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

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Chris Wilson 2010-10-13 10:09:14 +01:00

parent 7b5337ddba

commit e60a0b107b

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/i915/intel_ringbuffer.c

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