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| author | Mangesh Gadre <Mangesh.Gadre@amd.com> | 2023-09-22 08:16:00 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-27 00:00:22 +0300 |
| commit | cd956e7531281fba1b7cbb97e5cb55c99701f0c6 (patch) | |
| tree | 44982e415cf83caf7a5caa278eb40fba66adca7b /drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | |
| parent | be5a3fdc8b2c169c330233821383748207d9970e (diff) | |
| download | linux-cd956e7531281fba1b7cbb97e5cb55c99701f0c6.tar.xz | |
drm/amdgpu:Expose physical id of device in XGMI hive
This identifies the physical ordering of devices in the hive
v2: fix compilation issue
Signed-off-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <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 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 061534e845a7..02770c632bac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -325,6 +325,17 @@ static ssize_t amdgpu_xgmi_show_device_id(struct device *dev, } +static ssize_t amdgpu_xgmi_show_physical_id(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + + return sysfs_emit(buf, "%u\n", adev->gmc.xgmi.physical_node_id); + +} + static ssize_t amdgpu_xgmi_show_num_hops(struct device *dev, struct device_attribute *attr, char *buf) @@ -390,6 +401,7 @@ static ssize_t amdgpu_xgmi_show_error(struct device *dev, static DEVICE_ATTR(xgmi_device_id, S_IRUGO, amdgpu_xgmi_show_device_id, NULL); +static DEVICE_ATTR(xgmi_physical_id, 0444, amdgpu_xgmi_show_physical_id, NULL); static DEVICE_ATTR(xgmi_error, S_IRUGO, amdgpu_xgmi_show_error, NULL); static DEVICE_ATTR(xgmi_num_hops, S_IRUGO, amdgpu_xgmi_show_num_hops, NULL); static DEVICE_ATTR(xgmi_num_links, S_IRUGO, amdgpu_xgmi_show_num_links, NULL); @@ -407,6 +419,12 @@ static int amdgpu_xgmi_sysfs_add_dev_info(struct amdgpu_device *adev, return ret; } + ret = device_create_file(adev->dev, &dev_attr_xgmi_physical_id); + if (ret) { + dev_err(adev->dev, "XGMI: Failed to create device file xgmi_physical_id\n"); + return ret; + } + /* Create xgmi error file */ ret = device_create_file(adev->dev, &dev_attr_xgmi_error); if (ret) @@ -448,6 +466,7 @@ remove_link: remove_file: device_remove_file(adev->dev, &dev_attr_xgmi_device_id); + device_remove_file(adev->dev, &dev_attr_xgmi_physical_id); device_remove_file(adev->dev, &dev_attr_xgmi_error); device_remove_file(adev->dev, &dev_attr_xgmi_num_hops); device_remove_file(adev->dev, &dev_attr_xgmi_num_links); @@ -463,6 +482,7 @@ static void amdgpu_xgmi_sysfs_rem_dev_info(struct amdgpu_device *adev, memset(node, 0, sizeof(node)); device_remove_file(adev->dev, &dev_attr_xgmi_device_id); + device_remove_file(adev->dev, &dev_attr_xgmi_physical_id); device_remove_file(adev->dev, &dev_attr_xgmi_error); device_remove_file(adev->dev, &dev_attr_xgmi_num_hops); device_remove_file(adev->dev, &dev_attr_xgmi_num_links); |