drm/i915/gt: Flush submission tasklet before waiting/retiring

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A common bane of ours is arbitrary delays in ksoftirqd processing our
submission tasklet. Give the submission tasklet a kick before we wait to
avoid those delays eating into a tight timeout.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191008105655.13256-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2019-10-08 11:56:55 +01:00

parent 23b9e41a3d

commit d99f7b079c

3 changed files with 34 additions and 14 deletions

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3

drivers/gpu/drm/i915/gt/intel_engine.h

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33

drivers/gpu/drm/i915/gt/intel_engine_cs.c

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12

drivers/gpu/drm/i915/gt/intel_gt_requests.c

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