diff options
Diffstat (limited to 'drivers/gpu/drm/drm_pci.c')
| -rw-r--r-- | drivers/gpu/drm/drm_pci.c | 58 | 
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index 4db9c515b74f..896e42a34895 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -326,64 +326,6 @@ int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver)  }  EXPORT_SYMBOL(drm_legacy_pci_init); -int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *mask) -{ -	struct pci_dev *root; -	u32 lnkcap, lnkcap2; - -	*mask = 0; -	if (!dev->pdev) -		return -EINVAL; - -	root = dev->pdev->bus->self; - -	/* we've been informed via and serverworks don't make the cut */ -	if (root->vendor == PCI_VENDOR_ID_VIA || -	    root->vendor == PCI_VENDOR_ID_SERVERWORKS) -		return -EINVAL; - -	pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); -	pcie_capability_read_dword(root, PCI_EXP_LNKCAP2, &lnkcap2); - -	if (lnkcap2) {	/* PCIe r3.0-compliant */ -		if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) -			*mask |= DRM_PCIE_SPEED_25; -		if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) -			*mask |= DRM_PCIE_SPEED_50; -		if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) -			*mask |= DRM_PCIE_SPEED_80; -	} else {	/* pre-r3.0 */ -		if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB) -			*mask |= DRM_PCIE_SPEED_25; -		if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB) -			*mask |= (DRM_PCIE_SPEED_25 | DRM_PCIE_SPEED_50); -	} - -	DRM_INFO("probing gen 2 caps for device %x:%x = %x/%x\n", root->vendor, root->device, lnkcap, lnkcap2); -	return 0; -} -EXPORT_SYMBOL(drm_pcie_get_speed_cap_mask); - -int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw) -{ -	struct pci_dev *root; -	u32 lnkcap; - -	*mlw = 0; -	if (!dev->pdev) -		return -EINVAL; - -	root = dev->pdev->bus->self; - -	pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); - -	*mlw = (lnkcap & PCI_EXP_LNKCAP_MLW) >> 4; - -	DRM_INFO("probing mlw for device %x:%x = %x\n", root->vendor, root->device, lnkcap); -	return 0; -} -EXPORT_SYMBOL(drm_pcie_get_max_link_width); -  #else  void drm_pci_agp_destroy(struct drm_device *dev) {}  |