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| H A D | drm_gem_shmem_helper.c | diff 67fe7487fe8946f33009c7b5a7eafec535a7826b Wed May 04 18:06:00 CDT 2022 Dmitry Osipenko <dmitry.osipenko@collabora.com> drm/shmem-helper: Don't use vmap_use_count for dma-bufs
DMA-buf core has its own refcounting of vmaps, use it instead of drm-shmem
counting. This change prepares drm-shmem for addition of memory shrinker
support where drm-shmem will use a single dma-buf reservation lock for
all operations performed over dma-bufs.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://lore.kernel.org/all/20230108210445.3948344-7-dmitry.osipenko@collabora.com/
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