drm/i915/selftests: Wrap vm_mmap() around GEM objects

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Provide a utility function to create a vma corresponding to an mmap() of
our device. And use it to exercise the equivalent of userspace
performing a GTT mmap of our objects.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Reviewed-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107180601.30815-4-chris@chris-wilson.co.uk

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Chris Wilson 2019-11-07 18:06:00 +00:00

parent 85ca528ed7

commit 6fedafacae

4 changed files with 159 additions and 0 deletions

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1

drivers/gpu/drm/i915/Makefile

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100

drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c

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39

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

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drivers/gpu/drm/i915/selftests/igt_mmap.h

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