diff options
Diffstat (limited to 'sys/dev/fb')
| -rw-r--r-- | sys/dev/fb/fbd.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/dev/fb/fbd.c b/sys/dev/fb/fbd.c index 6b7b7316bf57..b7e45040f65e 100644 --- a/sys/dev/fb/fbd.c +++ b/sys/dev/fb/fbd.c @@ -51,6 +51,9 @@ __FBSDID("$FreeBSD$"); #include <dev/vt/vt.h> #include <dev/vt/hw/fb/vt_fb.h> +#include <vm/vm.h> +#include <vm/pmap.h> + #include "fb_if.h" LIST_HEAD(fb_list_head_t, fb_list_entry) fb_list_head = @@ -167,11 +170,14 @@ fb_mmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot, info = dev->si_drv1; - if ((info->fb_flags & FB_FLAG_NOMMAP) || info->fb_pbase == 0) + if (info->fb_flags & FB_FLAG_NOMMAP) return (ENODEV); - if (offset < info->fb_size) { - *paddr = info->fb_pbase + offset; + if (offset >= 0 && offset < info->fb_size) { + if (info->fb_pbase == 0) + *paddr = vtophys((uint8_t *)info->fb_vbase + offset); + else + *paddr = info->fb_pbase + offset; return (0); } return (EINVAL); @@ -356,5 +362,6 @@ devclass_t fbd_devclass; DRIVER_MODULE(fbd, fb, fbd_driver, fbd_devclass, 0, 0); DRIVER_MODULE(fbd, drmn, fbd_driver, fbd_devclass, 0, 0); +DRIVER_MODULE(fbd, udl, fbd_driver, fbd_devclass, 0, 0); MODULE_VERSION(fbd, 1); |