Re: [PATCH 12/13] drm/scheduler: rework entity flush, kill and fini

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Am 17.11.22 um 15:41 schrieb Dmitry Osipenko:
[SNIP]
drm_sched_entity_flush() should be called from the flush callback from
the file_operations structure of panfrost. See amdgpu_flush() and
amdgpu_ctx_mgr_entity_flush(). This makes sure that we wait for all
entities of the process/file descriptor to be flushed out.

drm_sched_entity_fini() must be called before you free the memory the
entity structure or otherwise we would run into an use after free.
Right, drm_sched_entity_destroy() invokes these two functions and
Panfrost uses drm_sched_entity_destroy().

Than I have no idea what's going wrong here.

The scheduler should trivially finish with the entity and call complete(&entity->entity_idle) in it's main loop. No idea why this doesn't happen. Can you investigate?

Regards,
Christian.



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