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| author | Alex Deucher <alexander.deucher@amd.com> | 2018-06-19 16:00:47 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-09-10 22:46:01 -0500 |
| commit | 76a5b36776aa6c0cd75b8080e24d6f69c8eb41a9 (patch) | |
| tree | 2ad3e625f6167c1c89190d80feda9366d40a24d8 /drivers/gpu/drm/amd | |
| parent | 984564031a1a6ab2c87a6b98019065cf476c69d8 (diff) | |
| download | linux-76a5b36776aa6c0cd75b8080e24d6f69c8eb41a9.tar.bz2 | |
drm/amdgpu/gmc: add initial xgmi structure to amdgpu_gmc structure
Initial pass at a structure to store xgmi info. xgmi is a high
speed cross gpu interconnect.
Acked-by: Huang Rui <ray.huang@amd.com>
Acked-by: Slava Abramov <slava.abramov@amd.com>
Reviewed-by :Shaoyun liu <Shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index 17ffc35d1366..a929a55b30c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -87,6 +87,18 @@ struct amdgpu_gmc_funcs { u64 *dst, u64 *flags); }; +struct amdgpu_xgmi { + /* from psp */ + u64 device_id; + u64 hive_id; + /* fixed per family */ + u64 node_segment_size; + /* physical node (0-3) */ + unsigned physical_node_id; + /* number of nodes (0-4) */ + unsigned num_physical_nodes; +}; + struct amdgpu_gmc { resource_size_t aper_size; resource_size_t aper_base; @@ -125,6 +137,8 @@ struct amdgpu_gmc { atomic_t vm_fault_info_updated; const struct amdgpu_gmc_funcs *gmc_funcs; + + struct amdgpu_xgmi xgmi; }; #define amdgpu_gmc_flush_gpu_tlb(adev, vmid) (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid)) |