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| author | Sunil Khatri <sunil.khatri@amd.com> | 2024-03-07 21:31:50 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-20 13:37:36 -0400 |
| commit | dc406d92a097c669e6468ac4f694b4c927c47ab6 (patch) | |
| tree | 16d7788c668599d158cfd24dfe550fcec5fc4d44 /drivers/gpu | |
| parent | bd1c92a1623048ec6c73567ca5a229d28e18c968 (diff) | |
| download | linux-stable-dc406d92a097c669e6468ac4f694b4c927c47ab6.tar.gz linux-stable-dc406d92a097c669e6468ac4f694b4c927c47ab6.tar.bz2 linux-stable-dc406d92a097c669e6468ac4f694b4c927c47ab6.zip | |
drm/amdgpu: add recent pagefault info in vm_manager
Currently page fault information is stored per
vm and which could be freed or stale during
reset. Add it pagefault information in the
vm_manager which is a global space for vm's
and remains valid across.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 4299ce386322..81fb3465e197 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2924,6 +2924,14 @@ void amdgpu_vm_update_fault_cache(struct amdgpu_device *adev, if (vm && status) { vm->fault_info.addr = addr; vm->fault_info.status = status; + /* + * Update the fault information globally for later usage + * when vm could be stale or freed. + */ + adev->vm_manager.fault_info.addr = addr; + adev->vm_manager.fault_info.vmhub = vmhub; + adev->vm_manager.fault_info.status = status; + if (AMDGPU_IS_GFXHUB(vmhub)) { vm->fault_info.vmhub = AMDGPU_VMHUB_TYPE_GFX; vm->fault_info.vmhub |= diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 047ec1930d12..8efa8422f4f7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -422,6 +422,8 @@ struct amdgpu_vm_manager { * look up VM of a page fault */ struct xarray pasids; + /* Global registration of recent page fault information */ + struct amdgpu_vm_fault_info fault_info; }; struct amdgpu_bo_va_mapping; |