diff options
| author |   Philip Yang <Philip.Yang@amd.com> | 2021-05-13 12:30:48 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2021-05-19 22:37:50 -0400 |
| commit | 765385ec00a94382b509c75867e2a40fa599a26d (patch) | |
| tree | 5ef806368afec1be3ec3d53908787e92eb34b5ca /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | |
| parent | Revert "drm/amdkfd: flush TLB after updating GPU page table" (diff) | |
| download | linux-dev-765385ec00a94382b509c75867e2a40fa599a26d.tar.xz linux-dev-765385ec00a94382b509c75867e2a40fa599a26d.zip | |
drm/amdkfd: heavy-weight flush TLB after unmap
Need do a heavy-weight TLB flush to make sure we have no more dirty data
in the cache for the unmapped pages.
Define enum TLB_FLUSH_TYPE, add flush_type parameter to
amdgpu_amdkfd_flush_gpu_tlb_pasid.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 313ee49b9f17..f4de50de359b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -36,6 +36,12 @@ extern uint64_t amdgpu_amdkfd_total_mem_size; +enum TLB_FLUSH_TYPE { + TLB_FLUSH_LEGACY = 0, + TLB_FLUSH_LIGHTWEIGHT, + TLB_FLUSH_HEAVYWEIGHT +}; + struct amdgpu_device; struct kfd_bo_va_list { @@ -135,7 +141,8 @@ int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine, void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle); bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd); int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct kgd_dev *kgd, uint16_t vmid); -int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct kgd_dev *kgd, uint16_t pasid); +int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct kgd_dev *kgd, uint16_t pasid, + enum TLB_FLUSH_TYPE flush_type); bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid); |