Tiago Vignatti ecdb9038d7 lib: Add prime_sync_start and prime_sync_end helpers
This patch adds dma-buf mmap synchronization ioctls that can be used by tests
for cache coherency management e.g. when CPU and GPU domains are being accessed
through dma-buf at the same time.

v7: add sync invalid flags test.

Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
2016-02-11 15:09:46 -02:00
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