Module Name: src
Committed By: mrg
Date: Wed Aug 26 01:37:10 UTC 2009
Modified Files:
src/sys/external/bsd/drm/dist/bsd-core: drm_drv.c
Log Message:
introduce an ugly but simple hack to work around external software
requirements: set the drm pci "domain" to the pci bus unit number.
this matches what libpciaccess does for netbsd and now drm is much
happier again.
To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 src/sys/external/bsd/drm/dist/bsd-core/drm_drv.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm/dist/bsd-core/drm_drv.c
diff -u src/sys/external/bsd/drm/dist/bsd-core/drm_drv.c:1.15 src/sys/external/bsd/drm/dist/bsd-core/drm_drv.c:1.16
--- src/sys/external/bsd/drm/dist/bsd-core/drm_drv.c:1.15 Sun Aug 23 08:55:16 2009
+++ src/sys/external/bsd/drm/dist/bsd-core/drm_drv.c Wed Aug 26 01:37:10 2009
@@ -334,14 +334,27 @@
void
drm_attach(device_t kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist)
{
+ device_t parent_dev;
struct drm_device *dev;
- int unit;
+ int unit, parent_unit;
unit = device_unit(kdev);
if (unit < 0 || unit >= DRM_MAXUNITS)
- panic("drm_attach: device unit %d invalid", unit);
+ panic("drm_attach: device unit %d invalid", unit);
if (drm_units[unit] != NULL)
- panic("drm_attach: unit %d already attached", unit);
+ panic("drm_attach: unit %d already attached", unit);
+
+ /*
+ * this is kind of ugly but we fake up the pci "domain" by using
+ * our pci unit number, so, find our parent pci device's unit...
+ */
+ parent_dev = kdev;
+ do {
+ parent_dev = device_parent(parent_dev);
+ } while (parent_dev && !device_is_a(parent_dev, "pci"));
+ parent_unit = device_unit(parent_dev);
+ if (parent_unit < 0)
+ panic("drm_attach: device parent_unit %d invalid", parent_unit);
dev = device_private(kdev);
dev->device = kdev;
@@ -389,8 +402,7 @@
memcpy(&dev->pa, pa, sizeof(dev->pa));
dev->irq = pa->pa_intrline;
- /* XXX this needs to be deal with for other platforms, e.g. alpha */
- dev->pci_domain = 0;
+ dev->pci_domain = parent_unit;
dev->pci_bus = pa->pa_bus;
dev->pci_slot = pa->pa_device;
dev->pci_func = pa->pa_function;
