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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-08-25 20:40:26 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 13:07:02 -0400 |
| commit | 02208441cc3a5110191996bb129db39ff10e7395 (patch) | |
| tree | bb228597c2413583efc368295dcb2b5ad173b135 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | |
| parent | ca290da8f6345c8e8e180256fbe092c751fa9654 (diff) | |
| download | op-kernel-dev-02208441cc3a5110191996bb129db39ff10e7395.zip op-kernel-dev-02208441cc3a5110191996bb129db39ff10e7395.tar.gz | |
drm/amdgpu: Add PASID management
Allows assigning a PASID to a VM for identifying VMs involved in page
faults. The global PASID manager is also exported in the KFD
interface so that AMDGPU and KFD can share the PASID space.
PASIDs of different sizes can be requested. On APUs, the PASID size
is deterined by the capabilities of the IOMMU. So KFD must be able
to allocate PASIDs in a smaller range.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c index 309f241..c678c69 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c @@ -128,6 +128,8 @@ static const struct kfd2kgd_calls kfd2kgd = { .get_vmem_size = get_vmem_size, .get_gpu_clock_counter = get_gpu_clock_counter, .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz, + .alloc_pasid = amdgpu_vm_alloc_pasid, + .free_pasid = amdgpu_vm_free_pasid, .program_sh_mem_settings = kgd_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, .init_pipeline = kgd_init_pipeline, |
