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e8404a72c5
Simply speaking, being started the drm-kmod driver should create sysfs helpers, which is «drm» class devices, with the unit number 0, 128 and, perhaps 64. If a drm helper created by vgapci driver with the corresponding unit number exists then the drm-kmod driver initialize it by the device_initialize() lkpi method, otherwise drm-kmod driver create new «drm» device. For hw, where two or more different GPU installed, it's not guaranteed that the order of loading GPU drivers will be the same as the vgapci devices numbered. I.e., on hw where vgapci0 is Nvidia GPU and vgapci1 is Intel GPU, when drm-kmod loaded first it will use drm0 helper of vgapci0 device. There is no problem for drm-kmod driver unless we do not traverse device tree, as needed for https://reviews.freebsd.org/D38545. drm-kmod is ok for this change as it has fallback to create corresponding drm device. Reviewed by: Differential Revision: https://reviews.freebsd.org/D38546 |
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| .. | ||
| controller | ||
| fixup_pci.c | ||
| hostb_pci.c | ||
| ignore_pci.c | ||
| isa_pci.c | ||
| pci.c | ||
| pci_dw.c | ||
| pci_dw.h | ||
| pci_dw_if.m | ||
| pci_dw_mv.c | ||
| pci_host_generic.c | ||
| pci_host_generic.h | ||
| pci_host_generic_acpi.c | ||
| pci_host_generic_acpi.h | ||
| pci_host_generic_den0115.c | ||
| pci_host_generic_fdt.c | ||
| pci_host_generic_fdt.h | ||
| pci_if.m | ||
| pci_iov.c | ||
| pci_iov.h | ||
| pci_iov_if.m | ||
| pci_iov_private.h | ||
| pci_iov_schema.c | ||
| pci_pci.c | ||
| pci_private.h | ||
| pci_subr.c | ||
| pci_user.c | ||
| pcib_if.m | ||
| pcib_private.h | ||
| pcib_support.c | ||
| pcireg.h | ||
| pcivar.h | ||
| schema_private.h | ||
| vga_pci.c | ||