On 12/1/25 15:00, Natalie Vock wrote:
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 Signed-off-by: Natalie Vock natalie.vock@gmx.de
Reviewed-by: Christian König christian.koenig@amd.com
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 61820166efbf6..1479742556991 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2921,8 +2921,7 @@ 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));