drm/i915/gt: Make timeslicing an explicit engine property

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In order to allow userspace to rely on timeslicing to reorder their
batches, we must support preemption of those user batches. Declare
timeslicing as an explicit property that is a combination of having the
kernel support and HW support.

Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 8ee36e048c ("drm/i915/execlists: Minimalistic timeslicing")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200501122249.12417-1-chris@chris-wilson.co.uk
(cherry picked from commit a211da9c77)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Chris Wilson 2020-05-01 13:22:49 +01:00 • committed by Rodrigo Vivi

parent 30523408c0

commit fe5a708267

3 changed files with 18 additions and 14 deletions

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9

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

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18

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

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5

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

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