drm/i915/gt: Disable arbitration on no-preempt requests

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If a request is submitted and known to require no preemption, disable
arbitration around the batch which prevents the HW from handling a
preemption request during the payload.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210108204026.20682-7-chris@chris-wilson.co.uk

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Chris Wilson 2021-01-08 20:40:26 +00:00

parent 751f82b353

commit 9b3a8f558d

2 changed files with 6 additions and 3 deletions

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6

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c

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3

drivers/gpu/drm/i915/gt/gen8_engine_cs.c

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