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| author | Le Ma <le.ma@amd.com> | 2022-04-02 14:39:59 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 16:45:29 +0300 |
| commit | 0c552ed38780f24b7ac235c3d10c6c94686ecfdf (patch) | |
| tree | 5c8bb30c898f2c3db5dc639888226b9069090fa8 /drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | |
| parent | 1526ec9a3ed90e7ad36de7ef8aa2768b60af14df (diff) | |
| download | linux-0c552ed38780f24b7ac235c3d10c6c94686ecfdf.tar.xz | |
drm/amdgpu: add indirect r/w interface for smn address greater than 32bits
On multiple AIDs platform, bit[34:32] in SMD address is leveraged to access
nonAID0 register smn address and new PCI_INDEX_HI register is introduced
to access the higher bits.
v2: rebase on latest register accessors (Alex)
Signed-off-by: Le Ma <le.ma@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h index 6a636c34b717..8fa3a1f3b181 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h @@ -61,6 +61,7 @@ struct amdgpu_nbio_funcs { u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev); u32 (*get_pcie_index_offset)(struct amdgpu_device *adev); u32 (*get_pcie_data_offset)(struct amdgpu_device *adev); + u32 (*get_pcie_index_hi_offset)(struct amdgpu_device *adev); u32 (*get_pcie_port_index_offset)(struct amdgpu_device *adev); u32 (*get_pcie_port_data_offset)(struct amdgpu_device *adev); u32 (*get_rev_id)(struct amdgpu_device *adev); |