diff options
| author | Oak Zeng <Oak.Zeng@amd.com> | 2019-08-01 14:55:45 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-15 10:57:48 -0500 |
| commit | 3ff985485b29693376bb470a40b7aba4394a189b (patch) | |
| tree | f54b01a4e7ed94d5307557aadf5611c0890a2f62 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | |
| parent | 675a9e38b39c4114dbcf1ed2e7f7a0e5a6a5e4b4 (diff) | |
drm/amdgpu: Export function to flush TLB of specific vm hub
This is for kfd to reuse amdgpu TLB invalidation function.
On gfx10, kfd only needs to flush TLB on gfx hub but not
on mm hub. So export a function for KFD flush TLB only on
specific hub.
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Christian Konig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c index 9d153cf39581..e262f2ac07a3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c @@ -670,7 +670,7 @@ static int invalidate_tlbs_with_kiq(struct amdgpu_device *adev, uint16_t pasid, int kgd_gfx_v9_invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid) { struct amdgpu_device *adev = (struct amdgpu_device *) kgd; - int vmid; + int vmid, i; struct amdgpu_ring *ring = &adev->gfx.kiq.ring; uint32_t flush_type = 0; @@ -689,8 +689,9 @@ int kgd_gfx_v9_invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid) if (kgd_gfx_v9_get_atc_vmid_pasid_mapping_valid(kgd, vmid)) { if (kgd_gfx_v9_get_atc_vmid_pasid_mapping_pasid(kgd, vmid) == pasid) { - amdgpu_gmc_flush_gpu_tlb(adev, vmid, - flush_type); + for (i = 0; i < adev->num_vmhubs; i++) + amdgpu_gmc_flush_gpu_tlb(adev, vmid, + i, flush_type); break; } } @@ -702,6 +703,7 @@ int kgd_gfx_v9_invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid) int kgd_gfx_v9_invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid) { struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + int i; if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) { pr_err("non kfd vmid %d\n", vmid); @@ -723,7 +725,9 @@ int kgd_gfx_v9_invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid) * TODO 2: support range-based invalidation, requires kfg2kgd * interface change */ - amdgpu_gmc_flush_gpu_tlb(adev, vmid, 0); + for (i = 0; i < adev->num_vmhubs; i++) + amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0); + return 0; } |