diff options
Diffstat (limited to 'sys/dev/drm2/drm_drv.c')
| -rw-r--r-- | sys/dev/drm2/drm_drv.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/sys/dev/drm2/drm_drv.c b/sys/dev/drm2/drm_drv.c index 483aff5..c45bda1 100644 --- a/sys/dev/drm2/drm_drv.c +++ b/sys/dev/drm2/drm_drv.c @@ -58,6 +58,8 @@ static int drm_load(struct drm_device *dev); static void drm_unload(struct drm_device *dev); static drm_pci_id_list_t *drm_find_description(int vendor, int device, drm_pci_id_list_t *idlist); +static int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, + vm_size_t size, struct vm_object **obj_res, int nprot); static int drm_modevent(module_t mod, int type, void *data) @@ -187,7 +189,7 @@ static struct cdevsw drm_cdevsw = { .d_ioctl = drm_ioctl, .d_poll = drm_poll, .d_mmap = drm_mmap, - .d_mmap_single = drm_gem_mmap_single, + .d_mmap_single = drm_mmap_single, .d_name = "drm", .d_flags = D_TRACKCLOSE }; @@ -955,6 +957,23 @@ drm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx, return (0); } +static int +drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, vm_size_t size, + struct vm_object **obj_res, int nprot) +{ + struct drm_device *dev; + + dev = drm_get_device_from_kdev(kdev); + if ((dev->driver->driver_features & DRIVER_GEM) != 0) { + return (drm_gem_mmap_single(dev, offset, size, obj_res, nprot)); + } else if (dev->drm_ttm_bo != NULL) { + return (ttm_bo_mmap_single(dev->drm_ttm_bo, offset, size, + obj_res, nprot)); + } else { + return (ENODEV); + } +} + #if DRM_LINUX #include <sys/sysproto.h> |
