Thierry Reding c6aeaf56f4 drm/tegra: Implement correct DMA-BUF semantics ...

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

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

2021-12-16 14:07:06 +01:00

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