Thierry Reding 27e92f1f16 drm/tegra: prime: Implement ->{begin,end}_cpu_access() ...

These callbacks allow the exporter to swap in and pin the backing
storage for buffers as well as invalidate the cache in preparation for
accessing the buffer from the CPU, and flush the cache and unpin the
backing storage when the CPU is done modifying the buffer.

Signed-off-by: Thierry Reding <treding@nvidia.com>

2018-03-17 00:04:20 +01:00

14 KiB

Raw Blame History

View Raw