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author | Le Ma <le.ma@amd.com> | 2022-04-02 19:39:59 +0800 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:45:29 -0400 |
commit | 0c552ed38780f24b7ac235c3d10c6c94686ecfdf (patch) | |
tree | 5c8bb30c898f2c3db5dc639888226b9069090fa8 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | |
parent | 1526ec9a3ed90e7ad36de7ef8aa2768b60af14df (diff) | |
download | linux-0c552ed38780f24b7ac235c3d10c6c94686ecfdf.tar.gz linux-0c552ed38780f24b7ac235c3d10c6c94686ecfdf.tar.bz2 linux-0c552ed38780f24b7ac235c3d10c6c94686ecfdf.zip |
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_gfx.c')
0 files changed, 0 insertions, 0 deletions