diff options
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 106 |
1 files changed, 42 insertions, 64 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 99fcd7c32ea..e572dd20bde 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -68,7 +68,7 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, DRM_UNLOCKED), - DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER), DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), @@ -87,7 +87,7 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_GET_CTX, drm_getctx, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_SWITCH_CTX, drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_NEW_CTX, drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), @@ -106,8 +106,7 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_INFO_BUFS, drm_infobufs, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_MAP_BUFS, drm_mapbufs, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_FREE_BUFS, drm_freebufs, DRM_AUTH), - /* The DRM_IOCTL_DMA ioctl should be defined by the driver. */ - DRM_IOCTL_DEF(DRM_IOCTL_DMA, NULL, DRM_AUTH), + DRM_IOCTL_DEF(DRM_IOCTL_DMA, drm_dma_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_CONTROL, drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), @@ -122,7 +121,7 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND, drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), #endif - DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED), @@ -131,14 +130,14 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_CONTROL_ALLOW|DRM_UNLOCKED), - DRM_IOCTL_DEF(DRM_IOCTL_PRIME_HANDLE_TO_FD, drm_prime_handle_to_fd_ioctl, DRM_AUTH|DRM_UNLOCKED), - DRM_IOCTL_DEF(DRM_IOCTL_PRIME_FD_TO_HANDLE, drm_prime_fd_to_handle_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_PRIME_HANDLE_TO_FD, drm_prime_handle_to_fd_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_PRIME_FD_TO_HANDLE, drm_prime_fd_to_handle_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANERESOURCES, drm_mode_getplane_res, DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_CONTROL_ALLOW|DRM_UNLOCKED), @@ -172,6 +171,31 @@ static const struct drm_ioctl_desc drm_ioctls[] = { #define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) /** + * drm_legacy_dev_reinit + * + * Reinitializes a legacy/ums drm device in it's lastclose function. + */ +static void drm_legacy_dev_reinit(struct drm_device *dev) +{ + int i; + + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return; + + atomic_set(&dev->ioctl_count, 0); + atomic_set(&dev->vma_count, 0); + + for (i = 0; i < ARRAY_SIZE(dev->counts); i++) + atomic_set(&dev->counts[i], 0); + + dev->sigdata.lock = NULL; + + dev->context_flag = 0; + dev->last_context = 0; + dev->if_version = 0; +} + +/** * Take down the DRM device. * * \param dev DRM device structure. @@ -195,32 +219,9 @@ int drm_lastclose(struct drm_device * dev) mutex_lock(&dev->struct_mutex); - /* Clear AGP information */ - if (drm_core_has_AGP(dev) && dev->agp && - !drm_core_check_feature(dev, DRIVER_MODESET)) { - struct drm_agp_mem *entry, *tempe; - - /* Remove AGP resources, but leave dev->agp - intact until drv_cleanup is called. */ - list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) { - if (entry->bound) - drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - kfree(entry); - } - INIT_LIST_HEAD(&dev->agp->memory); + drm_agp_clear(dev); - if (dev->agp->acquired) - drm_agp_release(dev); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg && - !drm_core_check_feature(dev, DRIVER_MODESET)) { - drm_sg_cleanup(dev->sg); - dev->sg = NULL; - } + drm_legacy_sg_cleanup(dev); /* Clear vma list (only built for debugging) */ list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) { @@ -228,13 +229,13 @@ int drm_lastclose(struct drm_device * dev) kfree(vma); } - if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && - !drm_core_check_feature(dev, DRIVER_MODESET)) - drm_dma_takedown(dev); + drm_legacy_dma_takedown(dev); dev->dev_mapping = NULL; mutex_unlock(&dev->struct_mutex); + drm_legacy_dev_reinit(dev); + DRM_DEBUG("lastclose completed\n"); return 0; } @@ -251,6 +252,7 @@ static int __init drm_core_init(void) int ret = -ENOMEM; drm_global_init(); + drm_connector_ida_init(); idr_init(&drm_minors_idr); if (register_chrdev(DRM_MAJOR, "drm", &drm_stub_fops)) @@ -263,13 +265,6 @@ static int __init drm_core_init(void) goto err_p2; } - drm_proc_root = proc_mkdir("dri", NULL); - if (!drm_proc_root) { - DRM_ERROR("Cannot create /proc/dri\n"); - ret = -1; - goto err_p3; - } - drm_debugfs_root = debugfs_create_dir("dri", NULL); if (!drm_debugfs_root) { DRM_ERROR("Cannot create /sys/kernel/debug/dri\n"); @@ -292,12 +287,12 @@ err_p1: static void __exit drm_core_exit(void) { - remove_proc_entry("dri", NULL); debugfs_remove(drm_debugfs_root); drm_sysfs_destroy(); unregister_chrdev(DRM_MAJOR, "drm"); + drm_connector_ida_destroy(); idr_destroy(&drm_minors_idr); } @@ -420,17 +415,15 @@ long drm_ioctl(struct file *filp, /* Do not trust userspace, use our own definition */ func = ioctl->func; - /* is there a local override? */ - if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl) - func = dev->driver->dma_ioctl; if (!func) { DRM_DEBUG("no function\n"); retcode = -EINVAL; } else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) || - ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || + ((ioctl->flags & DRM_AUTH) && !drm_is_render_client(file_priv) && !file_priv->authenticated) || ((ioctl->flags & DRM_MASTER) && !file_priv->is_master) || - (!(ioctl->flags & DRM_CONTROL_ALLOW) && (file_priv->minor->type == DRM_MINOR_CONTROL))) { + (!(ioctl->flags & DRM_CONTROL_ALLOW) && (file_priv->minor->type == DRM_MINOR_CONTROL)) || + (!(ioctl->flags & DRM_RENDER_ALLOW) && drm_is_render_client(file_priv))) { retcode = -EACCES; } else { if (cmd & (IOC_IN | IOC_OUT)) { @@ -485,19 +478,4 @@ long drm_ioctl(struct file *filp, DRM_DEBUG("ret = %d\n", retcode); return retcode; } - EXPORT_SYMBOL(drm_ioctl); - -struct drm_local_map *drm_getsarea(struct drm_device *dev) -{ - struct drm_map_list *entry; - - list_for_each_entry(entry, &dev->maplist, head) { - if (entry->map && entry->map->type == _DRM_SHM && - (entry->map->flags & _DRM_CONTAINS_LOCK)) { - return entry->map; - } - } - return NULL; -} -EXPORT_SYMBOL(drm_getsarea); |