Re: [PATCH] drm/amdgpu: fix race between pstate and remote buffer map

2020-04-16 Thread Felix Kuehling
Am 2020-04-16 um 7:59 a.m. schrieb Jonathan Kim: > Vega20 arbitrates pstate at hive level and not device level. Last peer to > remote buffer unmap could drop P-State while another process is still > remote buffer mapped. > > With this fix, P-States still needs to be disabled for now as SMU bug > wa

[PATCH] drm/amdgpu: fix race between pstate and remote buffer map

2020-04-16 Thread Jonathan Kim
Vega20 arbitrates pstate at hive level and not device level. Last peer to remote buffer unmap could drop P-State while another process is still remote buffer mapped. With this fix, P-States still needs to be disabled for now as SMU bug was discovered on synchronous P2P transfers. This should be f