diff options
| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2026-01-17 15:33:06 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-17 17:32:38 +0300 |
| commit | be3f235bb61b71fc5635c4459fee372252acd772 (patch) | |
| tree | 48eef1ee8d5b6b99ad50ab362b31bb93a169ba1b | |
| parent | 20fe5d020fe5a68d640828af7a42a1ee1a030db6 (diff) | |
| download | linux-be3f235bb61b71fc5635c4459fee372252acd772.tar.xz | |
drm/amdgpu: Query xgmi info from mmhub if available
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 711b4502653a..75df85aecac5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -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 */ |