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drm/amdgpu: skip VM inv eng assignment for mes ring

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Statically allocated VM inv eng of gfxhub on sienna_cichlid is used up.
Also VM inv eng is no need for mes ring.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2020-03-20 19:28:52 +08:00 • committed by Alex Deucher
parent 7cf609b915
commit b770f04ba2
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
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@ -357,6 +357,9 @@ int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev)
ring = adev->rings[i];
vmhub = ring->funcs->vmhub;
if (ring == &adev->mes.ring)
continue;
inv_eng = ffs(vm_inv_engs[vmhub]);
if (!inv_eng) {
dev_err(adev->dev, "no VM inv eng for ring %s\n",