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In the future display might try call this with a normal smem object,
which doesn't require PIN_MAPPABLE underneath in order to CPU map the
pages (unlike stolen). Extend i915_vma_pin_iomap() to directly use
i915_gem_object_pin_map() for such cases.
This change was suggested by Chris P Wilson, that we pin
the smem with i915_gem_object_pin_map_unlocked().
v2 (jheikkil): Change i915_gem_object_pin_map_unlocked to
i915_gem_object_pin_map
Signed-off-by: CQ Tang <[email protected]>
Signed-off-by: Juha-Pekka Heikkila <[email protected]>
Cc: Chris Wilson <[email protected]>
Cc: Jari Tahvanainen <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
Signed-off-by: Matthew Auld <[email protected]>
[mauld: tweak commit message, plus minor checkpatch fix]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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