diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2018-06-25 23:14:46 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-06 00:40:00 +0300 |
| commit | 289278cb7d32685ee75baf599857d7049c4b8030 (patch) | |
| tree | a399b3c8f22700f5d107b3d366e0dae87184d8fe /drivers/gpu/drm/drm_pci.c | |
| parent | 5f152a572c10cae4b08c2c5f2932a51684f454ba (diff) | |
| download | linux-289278cb7d32685ee75baf599857d7049c4b8030.tar.xz | |
drm: drop drm_pcie_get_speed_cap_mask and drm_pcie_get_max_link_width
These functions duplicated functionality which was ultimately added
to the pci core.
All users of these functions have been ported to using the newly
exposed pci functionality. These functions are no longer used,
so drop them.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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) {} |