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path: root/drivers/gpu/drm/amd/amdkfd/kfd_process.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 7a33e06f5c90..c10d050e1a61 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -1667,7 +1667,6 @@ int kfd_process_device_init_vm(struct kfd_process_device *pdd,
return ret;
}
pdd->drm_priv = drm_file->private_data;
- atomic64_set(&pdd->tlb_seq, 0);
ret = kfd_process_device_reserve_ib_mem(pdd);
if (ret)
@@ -2059,36 +2058,6 @@ int kfd_reserved_mem_mmap(struct kfd_node *dev, struct kfd_process *process,
KFD_CWSR_TBA_TMA_SIZE, vma->vm_page_prot);
}
-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;
- uint32_t xcc_mask = dev->xcc_mask;
- int xcc = 0;
-
- /*
- * It can be that we race and lose here, but that is extremely unlikely
- * and the worst thing which could happen is that we flush the changes
- * into the TLB once more which is harmless.
- */
- if (atomic64_xchg(&pdd->tlb_seq, tlb_seq) == tlb_seq)
- return;
-
- if (dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) {
- /* Nothing to flush until a VMID is assigned, which
- * only happens when the first queue is created.
- */
- if (pdd->qpd.vmid)
- amdgpu_amdkfd_flush_gpu_tlb_vmid(dev->adev,
- pdd->qpd.vmid);
- } else {
- for_each_inst(xcc, xcc_mask)
- amdgpu_amdkfd_flush_gpu_tlb_pasid(
- dev->adev, pdd->process->pasid, type, xcc);
- }
-}
-
/* assumes caller holds process lock. */
int kfd_process_drain_interrupts(struct kfd_process_device *pdd)
{