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| author | Dave Airlie <airlied@redhat.com> | 2021-07-30 16:48:35 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2021-07-30 16:48:35 +1000 |
| commit | 04d505de7f82c8f2daa6139b460b05dc01e354e0 (patch) | |
| tree | a5b4f62c721cffa1ff4f1625d76e9d8f79a9d0df /drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | |
| parent | f1b7996551a40a4ebb551130c83077a0cabcb935 (diff) | |
| parent | 544dcd74b7093ad4befac99b11d90331aa73348e (diff) | |
Merge tag 'amd-drm-next-5.15-2021-07-29' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.15-2021-07-29:
amdgpu:
- VCN/JPEG power down sequencing fixes
- Various navi pcie link handling fixes
- Clockgating fixes
- Yellow Carp fixes
- Beige Goby fixes
- Misc code cleanups
- S0ix fixes
- SMU i2c bus rework
- EEPROM handling rework
- PSP ucode handling cleanup
- SMU error handling rework
- AMD HDMI freesync fixes
- USB PD firmware update rework
- MMIO based vram access rework
- Misc display fixes
- Backlight fixes
- Add initial Cyan Skillfish support
- Overclocking fixes suspend/resume
amdkfd:
- Sysfs leak fix
- Add counters for vm faults and migration
- GPUVM TLB optimizations
radeon:
- Misc fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730033455.3852-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 8567d5d77346..258cf86b32f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -486,6 +486,18 @@ int amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev, return -EINVAL; } +int amdgpu_xgmi_get_num_links(struct amdgpu_device *adev, + struct amdgpu_device *peer_adev) +{ + struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info; + int i; + + for (i = 0 ; i < top->num_nodes; ++i) + if (top->nodes[i].node_id == peer_adev->gmc.xgmi.node_id) + return top->nodes[i].num_links; + return -EINVAL; +} + int amdgpu_xgmi_add_device(struct amdgpu_device *adev) { struct psp_xgmi_topology_info *top_info; |