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drm/amdgpu: Query xgmi info from mmhub if available

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Query xgmi info from mmhub if available

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang
2026-01-17 20:33:06 +08:00
committed by Alex Deucher
parent 20fe5d020f
commit be3f235bb6
1 changed files with 15 additions and 3 deletions
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18
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -3878,9 +3878,21 @@ int amdgpu_device_init(struct amdgpu_device *adev,
amdgpu_gmc_noretry_set(adev);
/* Need to get xgmi info early to decide the reset behavior*/
if (adev->gmc.xgmi.supported) {
r = adev->gfxhub.funcs->get_xgmi_info(adev);
if (r)
return r;
if (adev->gfxhub.funcs &&
adev->gfxhub.funcs->get_xgmi_info) {
r = adev->gfxhub.funcs->get_xgmi_info(adev);
if (r)
return r;
}
}
if (adev->gmc.xgmi.connected_to_cpu) {
if (adev->mmhub.funcs &&
adev->mmhub.funcs->get_xgmi_info) {
r = adev->mmhub.funcs->get_xgmi_info(adev);
if (r)
return r;
}
}
/* enable PCIE atomic ops */