diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 118 |
1 files changed, 104 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c index 4620c4712ce3..9c66d98af6d8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c @@ -60,10 +60,10 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) switch (adev->asic_type) { case CHIP_VEGA20: /* D161 and D163 are the VG20 server SKUs */ - if (strnstr(atom_ctx->vbios_version, "D161", - sizeof(atom_ctx->vbios_version)) || - strnstr(atom_ctx->vbios_version, "D163", - sizeof(atom_ctx->vbios_version))) { + if (strnstr(atom_ctx->vbios_pn, "D161", + sizeof(atom_ctx->vbios_pn)) || + strnstr(atom_ctx->vbios_pn, "D163", + sizeof(atom_ctx->vbios_pn))) { if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; @@ -72,22 +72,23 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) } case CHIP_ALDEBARAN: /* All Aldebaran SKUs have an FRU */ - if (!strnstr(atom_ctx->vbios_version, "D673", - sizeof(atom_ctx->vbios_version))) + if (!strnstr(atom_ctx->vbios_pn, "D673", + sizeof(atom_ctx->vbios_pn))) if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; case CHIP_SIENNA_CICHLID: - if (strnstr(atom_ctx->vbios_version, "D603", - sizeof(atom_ctx->vbios_version))) { - if (strnstr(atom_ctx->vbios_version, "D603GLXE", - sizeof(atom_ctx->vbios_version))) { + if (strnstr(atom_ctx->vbios_pn, "D603", + sizeof(atom_ctx->vbios_pn))) { + if (strnstr(atom_ctx->vbios_pn, "D603GLXE", + sizeof(atom_ctx->vbios_pn))) { return false; - } else { - if (fru_addr) - *fru_addr = FRU_EEPROM_MADDR_6; - return true; } + + if (fru_addr) + *fru_addr = FRU_EEPROM_MADDR_6; + return true; + } else { return false; } @@ -211,3 +212,92 @@ Out: kfree(pia); return 0; } + +/** + * DOC: product_name + * + * The amdgpu driver provides a sysfs API for reporting the product name + * for the device + * The file product_name is used for this and returns the product name + * as returned from the FRU. + * NOTE: This is only available for certain server cards + */ + +static ssize_t amdgpu_fru_product_name_show(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, "%s\n", adev->product_name); +} + +static DEVICE_ATTR(product_name, 0444, amdgpu_fru_product_name_show, NULL); + +/** + * DOC: product_number + * + * The amdgpu driver provides a sysfs API for reporting the part number + * for the device + * The file product_number is used for this and returns the part number + * as returned from the FRU. + * NOTE: This is only available for certain server cards + */ + +static ssize_t amdgpu_fru_product_number_show(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, "%s\n", adev->product_number); +} + +static DEVICE_ATTR(product_number, 0444, amdgpu_fru_product_number_show, NULL); + +/** + * DOC: serial_number + * + * The amdgpu driver provides a sysfs API for reporting the serial number + * for the device + * The file serial_number is used for this and returns the serial number + * as returned from the FRU. + * NOTE: This is only available for certain server cards + */ + +static ssize_t amdgpu_fru_serial_number_show(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, "%s\n", adev->serial); +} + +static DEVICE_ATTR(serial_number, 0444, amdgpu_fru_serial_number_show, NULL); + +static const struct attribute *amdgpu_fru_attributes[] = { + &dev_attr_product_name.attr, + &dev_attr_product_number.attr, + &dev_attr_serial_number.attr, + NULL +}; + +int amdgpu_fru_sysfs_init(struct amdgpu_device *adev) +{ + if (!is_fru_eeprom_supported(adev, NULL)) + return 0; + + return sysfs_create_files(&adev->dev->kobj, amdgpu_fru_attributes); +} + +void amdgpu_fru_sysfs_fini(struct amdgpu_device *adev) +{ + if (!is_fru_eeprom_supported(adev, NULL)) + return; + + sysfs_remove_files(&adev->dev->kobj, amdgpu_fru_attributes); +} |