drm/i915/selftests: Exercise CS TLB invalidation

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Check that we are correctly invalidating the TLB at the start of a
batch after updating the GTT.

v2: Comments and hold the request reference while spinning

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919131414.7495-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-09-19 14:14:14 +01:00

parent 37fa0de3c1

commit a47e788c23

1 changed files with 308 additions and 0 deletions

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drivers/gpu/drm/i915/selftests/i915_gem_gtt.c

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