drm/i915/gem: don't trust the dma_buf->size

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At least for the time being, we need to limit our object sizes such that
the number of pages can fit within a 32b signed int. It looks like we
should also apply the same restriction to any imported dma-buf.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20210122181514.541436-1-matthew.auld@intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Matthew Auld 2021-01-22 18:15:13 +00:00 • committed by Daniel Vetter

parent 041b7f0762

commit f63f452ea6

1 changed files with 10 additions and 0 deletions

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drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c

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