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linux

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  • Dmitry Osipenko's avatar
    Dmitry Osipenko authored
    Add unlocked variants of drm_gem_un/pin() functions and make them public.
    These new helpers will take care of GEM dma-reservation locking for DRM
    drivers.
    
    We are going to add memory shrinking support to the VirtIO-GPU driver
    that will need to pin framebuffers explicitly to prevent eviction of the
    actively used buffers by the shrinker. VirtIO-GPU driver will use these
    new generic helpers to pin shmem framebuffers.
    
    Signed-off-by: default avatarDmitry Osipenko <dmitry.osipenko@collabora.com>
    0455b28e
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