Author: dumbbell
Date: Sat Dec 14 01:01:32 2013
New Revision: 259376
URL: http://svnweb.freebsd.org/changeset/base/259376
Log:
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)
Modified:
releng/10.0/sys/dev/drm2/drm_pci.c
Directory Properties:
releng/10.0/ (props changed)
Modified: releng/10.0/sys/dev/drm2/drm_pci.c
==============================================================================
--- releng/10.0/sys/dev/drm2/drm_pci.c Sat Dec 14 00:59:40 2013
(r259375)
+++ releng/10.0/sys/dev/drm2/drm_pci.c Sat Dec 14 01:01:32 2013
(r259376)
@@ -134,7 +134,11 @@ int drm_pcie_get_speed_cap_mask(struct d
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);
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