> -----Original Message----- > From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf > Of Chunming Zhou > Sent: Friday, April 21, 2017 6:06 AM > To: amd-gfx at lists.freedesktop.org > Cc: Zhou, David(ChunMing) > Subject: [PATCH 0/5] *** Dedicated vmid per process *** > > The current kernel implementation, which grabs the idle VMID from pool > when emitting the job may: > > The back-to-back submission from one process could use different VMID. > The submission to different queues from single process could use different > VMID > > It works well in most case but cannot work for the SQ thread trace capture. > > The VMID for the submission that set the {SQTT}_BASE, which refers to the > address of the trace buffer, is stored in shader engine. > > If the profiling application have to use different VMIDs to submit IBs in its life > cycle: > > Some trace is not captured since it actually uses different VMID to submit > jobs. > Some part of captured trace may come from different application since > they are accidentally uses the owner�s VMID to submit jobs. Please add a patch at the end to bump the module version so we can track when the flag is available. Alex > > > ChunmingrZhour(5): > drm/amdgpu: handle flags when context alloc > drm/amdgpu: add dedicated vmid field in vm struct > drm/amdgpu: add context flagn for dedicated vmid reqest > drm/amdgpu: implement grab dedicated vmid > drm/amdgpu: add limitation for dedicated vm number > > drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + > drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 14 ++- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 + > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 137 > ++++++++++++++++++++++++++++- > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 6 ++ > include/uapi/drm/amdgpu_drm.h | 3 + > 6 files changed, 158 insertions(+), 4 deletions(-) > > -- > 1.9.1
