From: Le Ma Date: Fri, 20 Mar 2020 11:28:52 +0000 (+0800) Subject: drm/amdgpu: skip VM inv eng assignment for mes ring X-Git-Tag: v5.10.7~1861^2~25^2~276 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b770f04ba2ee3d1161194d2b563918deac4cd7ab;p=platform%2Fkernel%2Flinux-rpi.git drm/amdgpu: skip VM inv eng assignment for mes ring 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 Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index acabb57..34cbd6f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -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",