From 2f2eab3acc3c8b37d1cdbf00a441373a973690a9 Mon Sep 17 00:00:00 2001 From: Oak Zeng Date: Thu, 14 Mar 2019 11:44:24 -0500 Subject: [PATCH] drm/amdgpu: Hack xgmi topology info when there is no psp fw This is only needed on emulation platform where psp fw might not be available, to hack xgmi topology info such as hive id and node id. v2: Add offset to hacked hive/node id v3: Don't use introduce new module parameter. Signed-off-by: Oak Zeng Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 27 ++++++++++++++---------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index d11eba09eadd..b024070ad1cf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -301,18 +301,23 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) if (!adev->gmc.xgmi.supported) return 0; - ret = psp_xgmi_get_node_id(&adev->psp, &adev->gmc.xgmi.node_id); - if (ret) { - dev_err(adev->dev, - "XGMI: Failed to get node id\n"); - return ret; - } + if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) { + ret = psp_xgmi_get_hive_id(&adev->psp, &adev->gmc.xgmi.hive_id); + if (ret) { + dev_err(adev->dev, + "XGMI: Failed to get hive id\n"); + return ret; + } - ret = psp_xgmi_get_hive_id(&adev->psp, &adev->gmc.xgmi.hive_id); - if (ret) { - dev_err(adev->dev, - "XGMI: Failed to get hive id\n"); - return ret; + ret = psp_xgmi_get_node_id(&adev->psp, &adev->gmc.xgmi.node_id); + if (ret) { + dev_err(adev->dev, + "XGMI: Failed to get node id\n"); + return ret; + } + } else { + adev->gmc.xgmi.hive_id = 16; + adev->gmc.xgmi.node_id = adev->gmc.xgmi.physical_node_id + 16; } hive = amdgpu_get_xgmi_hive(adev, 1); -- GitLab