Qiang Yu <yuq...@gmail.com> writes: > This reverts commit 45c3d213a400c952ab7119f394c5293bb6877e6b. > > lima driver need preclose to wait all task in the context > created within closing file to finish before free all the > buffer object. Otherwise pending tesk may fail and get > noisy MMU fault message. > > Move this wait to each buffer object free function can > achieve the same result but some buffer object is shared > with other file context, but we only want to wait the > closing file context's tasks. So the implementation is > not that straight forword compared to the preclose one.
You should just separate your MMU structures from drm_file, and have drm_file and the jobs using it keep a reference on them. This is what I've done in V3D as well.
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