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drm/amdgpu: Add XCC inst to PASID TLB flushing

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Add XCC instance to select the correct KIQ ring when
flushing TLBs on a multi-XCC setup.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Tested-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mukul Joshi
2022-05-09 22:22:20 -04:00
committed by Alex Deucher
parent e2069a7b08
commit f87f686482
9 changed files with 25 additions and 18 deletions
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7
drivers/gpu/drm/amd/amdkfd/kfd_process.c
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@@ -2052,6 +2052,7 @@ void kfd_flush_tlb(struct kfd_process_device *pdd, enum TLB_FLUSH_TYPE type)
struct amdgpu_vm *vm = drm_priv_to_vm(pdd->drm_priv);
uint64_t tlb_seq = amdgpu_vm_tlb_seq(vm);
struct kfd_node *dev = pdd->dev;
int xcc = 0;
/*
* It can be that we race and lose here, but that is extremely unlikely
@@ -2069,8 +2070,10 @@ void kfd_flush_tlb(struct kfd_process_device *pdd, enum TLB_FLUSH_TYPE type)
amdgpu_amdkfd_flush_gpu_tlb_vmid(dev->adev,
pdd->qpd.vmid);
} else {
amdgpu_amdkfd_flush_gpu_tlb_pasid(dev->adev,
pdd->process->pasid, type);
for (xcc = 0; xcc < dev->num_xcc_per_node; xcc++)
amdgpu_amdkfd_flush_gpu_tlb_pasid(dev->adev,
pdd->process->pasid, type,
dev->start_xcc_id + xcc);
}
}