git: 85da0abada24 - stable/13 - LinuxKPI: Automatically enable drm support for devices named "drmn"

The branch stable/13 has been updated by wulf:

URL: https://cgit.FreeBSD.org/src/commit/?id=85da0abada244f90dc6e9ce36c75492f0aa9bf02

commit 85da0abada244f90dc6e9ce36c75492f0aa9bf02
Author:     Vladimir Kondratyev <wulf@FreeBSD.org>
AuthorDate: 2024-07-21 13:02:08 +0000
Commit:     Vladimir Kondratyev <wulf@FreeBSD.org>
CommitDate: 2024-08-01 22:31:06 +0000

    LinuxKPI: Automatically enable drm support for devices named "drmn"
    
    This allows replace linux_pci_(un)register_drm_driver calls with driver
    renaming to FreeBSD name.
    
    Sponsored by:   Serenity CyberSecurity, LLC
    MFC after:      1 week
    Reviewed by:    manu, bz
    Differential Revision:  https://reviews.freebsd.org/D45906
    
    (cherry picked from commit 5d20075f8b9f7107aa0a246e5165d9816e816a44)
---
 sys/compat/linuxkpi/common/src/linux_pci.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sys/compat/linuxkpi/common/src/linux_pci.c b/sys/compat/linuxkpi/common/src/linux_pci.c
index 5f7296d66ee9..459f03f7e2a4 100644
--- a/sys/compat/linuxkpi/common/src/linux_pci.c
+++ b/sys/compat/linuxkpi/common/src/linux_pci.c
@@ -752,7 +752,8 @@ linux_pci_register_driver(struct pci_driver *pdrv)
 {
 	devclass_t dc;
 
-	dc = devclass_find("pci");
+	pdrv->isdrm = strcmp(pdrv->name, "drmn") == 0;
+	dc = pdrv->isdrm ? devclass_create("vgapci") : devclass_find("pci");
 	if (dc == NULL)
 		return (-ENXIO);
 	return (_linux_pci_register_driver(pdrv, dc));
@@ -907,7 +908,7 @@ linux_pci_unregister_driver(struct pci_driver *pdrv)
 {
 	devclass_t bus;
 
-	bus = devclass_find("pci");
+	bus = devclass_find(pdrv->isdrm ? "vgapci" : "pci");
 
 	spin_lock(&pci_lock);
 	list_del(&pdrv->node);