Ping? On Thu, Aug 10, 2023 at 3:35 PM Alex Deucher <alexdeucher@xxxxxxxxx> wrote: > > Ping? > > On Thu, Jul 27, 2023 at 2:11 PM Alex Deucher <alexander.deucher@xxxxxxx> wrote: > > > > This patch set adds support for an application to query GPU > > page faults. It's useful for debugging and there are > > vulkan extensions that could make use of this. Preliminary > > user space code which uses this can be found here: > > https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238 > > https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/298 > > > > Note, that I made a small change to the vmhub definition to > > decouple it from how the kernel tracks vmhubs so that we have > > a consistent user view even if we decide to add more vmhubs > > like we recently did for gfx 9.4.3. > > > > I've also pushed the changed to: > > https://gitlab.freedesktop.org/agd5f/linux/-/commits/gpu_fault_info_ioctl > > > > Open question, currently we just expose the raw GPU fault status > > register value for each GPU so UMDs need GPU specific knowlege to decode > > it, although it's largely the same across generations. One option would be to > > translate to a generic GPU independent fault status. Opinions? > > > > v2: > > - Fix spelling typos noted by Guchun > > v3: > > - Add locking in IOCTL query > > - Only update cache if fault status is valid > > > > Alex Deucher (4): > > drm/amdgpu: add cached GPU fault structure to vm struct > > drm/amdgpu: cache gpuvm fault information for gmc7+ > > drm/amdgpu: add new INFO ioctl query for the last GPU page fault > > drm/amdgpu: refine fault cache updates > > > > drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 +- > > drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 20 ++++++++++ > > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 50 +++++++++++++++++++++++++ > > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 31 +++++++++++++-- > > drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 3 ++ > > drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 3 ++ > > drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 ++ > > drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 ++ > > drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 11 ++++-- > > include/uapi/drm/amdgpu_drm.h | 16 ++++++++ > > 10 files changed, 135 insertions(+), 8 deletions(-) > > > > -- > > 2.41.0 > >
