drm/i915/gem: Support discontiguous lmem object maps

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Create a vmap for discontinguous lmem objects to support
i915_gem_object_pin_map().

v2: Offset io address by region.start for fake-lmem

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200102204215.1519103-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2020-01-02 20:42:15 +00:00

parent 1d0e2c9359

commit 6056e50033

5 changed files with 78 additions and 123 deletions

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40

drivers/gpu/drm/i915/gem/i915_gem_lmem.c

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8

drivers/gpu/drm/i915/gem/i915_gem_lmem.h

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79

drivers/gpu/drm/i915/gem/i915_gem_pages.c

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41

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

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33

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

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