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linux-drm: Obey device class requirements when detecting devices.

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This commit is contained in:
Maarten Maathuis 2007-10-02 21:54:37 +02:00
parent 7fbd10d933
commit 5ca12104f8
1 changed files with 10 additions and 0 deletions
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10
linux-core/drm_drv.c
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@ -321,6 +321,11 @@ int drm_init(struct drm_driver *driver,
while ((pdev =
pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
pid->subdevice, pdev))) {
/* Are there device class requirements? */
if ((pid->class != 0)
&& ((pdev->class & pid->class_mask) != pid->class)) {
continue;
}
/* is there already a driver loaded, or (short circuit saves work) */
/* does something like VesaFB have control of the memory region? */
if (pci_dev_driver(pdev)
@ -347,6 +352,11 @@ int drm_init(struct drm_driver *driver,
pci_get_subsys(pid->vendor, pid->device,
pid->subvendor, pid->subdevice,
pdev))) {
/* Are there device class requirements? */
if ((pid->class != 0)
&& ((pdev->class & pid->class_mask) != pid->class)) {
continue;
}
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
if ((rc = drm_get_dev(pdev, &pciidlist[i], driver))) {