From: Hawking Zhang <[email protected]> Query xgmi info from mmhub if available
Signed-off-by: Hawking Zhang <[email protected]> Reviewed-by: Le Ma <[email protected]> Reviewed-by: Feifei Xu <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 18 +++++++++++++++--- 1 file 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 8c0d54796155a..97a51429ab771 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3876,9 +3876,21 @@ 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 */ -- 2.53.0
