diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 59c04b2d383b..4a8a047b7593 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -1560,6 +1560,7 @@ int kfd_process_device_init_vm(struct kfd_process_device *pdd, return ret; } pdd->drm_priv = drm_file->private_data; + pdd->tlb_seq = 0; ret = kfd_process_device_reserve_ib_mem(pdd); if (ret) @@ -1949,8 +1950,14 @@ int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, 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_dev *dev = pdd->dev; + if (pdd->tlb_seq == tlb_seq) + return; + + pdd->tlb_seq = tlb_seq; 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. |