diff options
| author | Alex Sierra <alex.sierra@amd.com> | 2019-12-20 08:57:03 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-01-16 21:34:33 +0300 |
| commit | ffa022696f46fb6c13e30cad59b7271a687f96b8 (patch) | |
| tree | 3566e3a1ac9de19ead2899ba6b806e5ada2570ec /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | |
| parent | ea930000a6dcd161346c957545f7e67b3f77ec06 (diff) | |
| download | linux-ffa022696f46fb6c13e30cad59b7271a687f96b8.tar.xz | |
drm/amdgpu: GPU TLB flush API moved to amdgpu_amdkfd
[Why]
TLB flush method has been deprecated using kfd2kgd interface.
This implementation is now on the amdgpu_amdkfd API.
[How]
TLB flush functions now implemented in amdgpu_amdkfd.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 88e10b956413..8609287620ea 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -628,6 +628,38 @@ bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid) return false; } +int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct kgd_dev *kgd, uint16_t vmid) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; + + if (adev->family == AMDGPU_FAMILY_AI) { + int i; + + for (i = 0; i < adev->num_vmhubs; i++) + amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0); + } else { + amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB_0, 0); + } + + return 0; +} + +int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct kgd_dev *kgd, uint16_t pasid) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; + uint32_t flush_type = 0; + bool all_hub = false; + + if (adev->gmc.xgmi.num_physical_nodes && + adev->asic_type == CHIP_VEGA20) + flush_type = 2; + + if (adev->family == AMDGPU_FAMILY_AI) + all_hub = true; + + return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub); +} + bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd) { struct amdgpu_device *adev = (struct amdgpu_device *)kgd; |