diff options
| author | Christian König <[email protected]> | 2024-01-19 13:57:29 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-07-08 20:50:53 +0000 |
| commit | 320debca1ba3a81c87247eac84eff976ead09ee0 (patch) | |
| tree | 213b27b724f23cbeeb9d9f909418523d99e15e30 /drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | |
| parent | drm/amdgpu: enable dpg for vcn and jpeg on GC 11_5_2 (diff) | |
| download | kernel-320debca1ba3a81c87247eac84eff976ead09ee0.tar.gz kernel-320debca1ba3a81c87247eac84eff976ead09ee0.zip | |
drm/amdgpu: reject gang submit on reserved VMIDs
A gang submit won't work if the VMID is reserved and we can't flush out
VM changes from multiple engines at the same time.
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c index b5b9d4f40f53..b6a8bddada4c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c @@ -424,7 +424,7 @@ int amdgpu_vmid_grab(struct amdgpu_vm *vm, struct amdgpu_ring *ring, if (r || !idle) goto error; - if (vm->reserved_vmid[vmhub] || (enforce_isolation && (vmhub == AMDGPU_GFXHUB(0)))) { + if (amdgpu_vmid_uses_reserved(vm, vmhub)) { r = amdgpu_vmid_grab_reserved(vm, ring, job, &id, fence); if (r || !id) goto error; @@ -474,6 +474,19 @@ error: return r; } +/* + * amdgpu_vmid_uses_reserved - check if a VM will use a reserved VMID + * @vm: the VM to check + * @vmhub: the VMHUB which will be used + * + * Returns: True if the VM will use a reserved VMID. + */ +bool amdgpu_vmid_uses_reserved(struct amdgpu_vm *vm, unsigned int vmhub) +{ + return vm->reserved_vmid[vmhub] || + (enforce_isolation && (vmhub == AMDGPU_GFXHUB(0))); +} + int amdgpu_vmid_alloc_reserved(struct amdgpu_device *adev, unsigned vmhub) { |