diff options
| author | Natalie Vock <natalie.vock@gmx.de> | 2025-12-01 12:52:38 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-12-02 11:02:07 -0500 |
| commit | 8defb4f081a5feccc3ea8372d0c7af3522124e1f (patch) | |
| tree | 3df5b8b221e9298c29ebf80e51ae7a11f56d47ef /drivers/gpu | |
| parent | 40cc2b423d9da17ac622dbcc858fa94d428a4f03 (diff) | |
drm/amdgpu: Forward VMID reservation errors
Otherwise userspace may be fooled into believing it has a reserved VMID
when in reality it doesn't, ultimately leading to GPU hangs when SPM is
used.
Fixes: 80e709ee6ecc ("drm/amdgpu: add option params to enforce process isolation between graphics and compute")
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
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 | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index d7cd84d33018..a67285118c37 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2916,8 +2916,7 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) switch (args->in.op) { case AMDGPU_VM_OP_RESERVE_VMID: /* We only have requirement to reserve vmid from gfxhub */ - amdgpu_vmid_alloc_reserved(adev, vm, AMDGPU_GFXHUB(0)); - break; + return amdgpu_vmid_alloc_reserved(adev, vm, AMDGPU_GFXHUB(0)); case AMDGPU_VM_OP_UNRESERVE_VMID: amdgpu_vmid_free_reserved(adev, vm, AMDGPU_GFXHUB(0)); break; |