drm/i915/ttm: wire up the object offset

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For the ttm backend we can use existing placements fpfn and lpfn to
force the allocator to place the object at the requested offset,
potentially evicting stuff if the spot is currently occupied.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315181425.576828-5-matthew.auld@intel.com

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This commit is contained in:

Matthew Auld 2022-03-15 18:14:23 +00:00

parent 9b78b5dade

commit ecbf206048

6 changed files with 28 additions and 6 deletions

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2

drivers/gpu/drm/i915/gem/i915_gem_object_types.h

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18

drivers/gpu/drm/i915/gem/i915_gem_ttm.c

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3

drivers/gpu/drm/i915/i915_ttm_buddy_manager.c

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7

drivers/gpu/drm/i915/intel_region_ttm.c

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1

drivers/gpu/drm/i915/intel_region_ttm.h

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3

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

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