f816f27243
When we CPU_PREP a bo with NOSYNC flag (for example, to implement PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE), an -EBUSY return indicates to userspace that the bo is still busy. Previously it was incorrectly returning 0 in this case. And while we're in there throw in an bit of extra sanity checking in case userspace tries to wait for a bogus fence. Signed-off-by: Rob Clark <robdclark@gmail.com> |
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