drm/i915: Improve fallback ring waiting

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A few improvements to the fallback method for waiting upon ring space:

1. Fix the start/end wait tracepoints to always be paired.
2. Increase responsiveness of checking
3. Mark the process as waiting upon io
4. Check for signal interruptions

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Brad Volkin <bradley.d.volkin@intel.com>
[danvet: Drop the s/msleep/io_schedule_timeout/ change again since the
latter isn't exported.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Chris Wilson 2014-05-05 09:07:32 +01:00 • committed by Daniel Vetter

parent 6e7186af3b

commit dcfe050659

1 changed files with 16 additions and 6 deletions

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drivers/gpu/drm/i915/intel_ringbuffer.c

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