From eac633f48092fc5abf87ccf1cbd7a3127dd81318 Mon Sep 17 00:00:00 2001 From: dumbbell Date: Sat, 14 Dec 2013 01:01:32 +0000 Subject: [PATCH] MFC r259237: drm: Read PCIER_LINK_CAP/PCIER_LINK_CAP2 from the PCI bridge Before this fix, capabilities were read from vgapci and were incorrect. Approved by: re (gjb) git-svn-id: svn://svn.freebsd.org/base/releng/10.0@259376 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f --- sys/dev/drm2/drm_pci.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sys/dev/drm2/drm_pci.c b/sys/dev/drm2/drm_pci.c index ab45278d..ac9d4e6b 100644 --- a/sys/dev/drm2/drm_pci.c +++ b/sys/dev/drm2/drm_pci.c @@ -134,7 +134,11 @@ int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *mask) if (!drm_device_is_pcie(dev)) return -EINVAL; - root = device_get_parent(dev->device); + root = + device_get_parent( /* pcib */ + device_get_parent( /* `-- pci */ + device_get_parent( /* `-- vgapci */ + dev->device))); /* `-- drmn */ pos = 0; pci_find_cap(root, PCIY_EXPRESS, &pos); -- 2.42.0