drm/i915/execlists: Skip redundant resubmission

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If we unwind the active requests, and on resubmission discover that we
intend to preempt the active contexts with themselves, simply skip the
ELSP submission.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191003210100.22250-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-10-03 22:00:56 +01:00

parent 3032c0b47e

commit 44d0a9c05b

1 changed files with 16 additions and 1 deletions

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

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