tree 7ad0bd6746774a09194de91400e3a36d48c13a38
parent ece6e1f65804556de3a67a482b4ef9680f57c793
author Marek Olšák <marek.olsak@amd.com> 1483015302 +0100
committer Marek Olšák <marek.olsak@amd.com> 1483733148 +0100

winsys/amdgpu: fix a race condition between fence updates and IB submissions

The CS thread is needed to ensure proper ordering of operations and can't
be disabled (without complicating the code).

Discovered by Nine CSMT, which ended up in a deadlock.

Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>