diff options
Diffstat (limited to 'drivers/gpu/drm/armada/armada_fbdev.c')
-rw-r--r-- | drivers/gpu/drm/armada/armada_fbdev.c | 113 |
1 files changed, 5 insertions, 108 deletions
diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c index d223176912b6..6ee7ce04ee71 100644 --- a/drivers/gpu/drm/armada/armada_fbdev.c +++ b/drivers/gpu/drm/armada/armada_fbdev.c @@ -39,8 +39,10 @@ static const struct fb_ops armada_fb_ops = { .fb_destroy = armada_fbdev_fb_destroy, }; -static int armada_fbdev_create(struct drm_fb_helper *fbh, - struct drm_fb_helper_surface_size *sizes) +static const struct drm_fb_helper_funcs armada_fbdev_helper_funcs; + +int armada_fbdev_driver_fbdev_probe(struct drm_fb_helper *fbh, + struct drm_fb_helper_surface_size *sizes) { struct drm_device *dev = fbh->dev; struct drm_mode_fb_cmd2 mode; @@ -98,6 +100,7 @@ static int armada_fbdev_create(struct drm_fb_helper *fbh, info->fix.smem_len = obj->obj.size; info->screen_size = obj->obj.size; info->screen_base = ptr; + fbh->funcs = &armada_fbdev_helper_funcs; fbh->fb = &dfb->fb; drm_fb_helper_fill_info(info, fbh, sizes); @@ -112,109 +115,3 @@ static int armada_fbdev_create(struct drm_fb_helper *fbh, dfb->fb.funcs->destroy(&dfb->fb); return ret; } - -static int armada_fb_probe(struct drm_fb_helper *fbh, - struct drm_fb_helper_surface_size *sizes) -{ - int ret = 0; - - if (!fbh->fb) { - ret = armada_fbdev_create(fbh, sizes); - if (ret == 0) - ret = 1; - } - return ret; -} - -static const struct drm_fb_helper_funcs armada_fb_helper_funcs = { - .fb_probe = armada_fb_probe, -}; - -/* - * Fbdev client and struct drm_client_funcs - */ - -static void armada_fbdev_client_unregister(struct drm_client_dev *client) -{ - struct drm_fb_helper *fbh = drm_fb_helper_from_client(client); - - if (fbh->info) { - drm_fb_helper_unregister_info(fbh); - } else { - drm_client_release(&fbh->client); - drm_fb_helper_unprepare(fbh); - kfree(fbh); - } -} - -static int armada_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int armada_fbdev_client_hotplug(struct drm_client_dev *client) -{ - struct drm_fb_helper *fbh = drm_fb_helper_from_client(client); - struct drm_device *dev = client->dev; - int ret; - - if (dev->fb_helper) - return drm_fb_helper_hotplug_event(dev->fb_helper); - - ret = drm_fb_helper_init(dev, fbh); - if (ret) - goto err_drm_err; - - if (!drm_drv_uses_atomic_modeset(dev)) - drm_helper_disable_unused_functions(dev); - - ret = drm_fb_helper_initial_config(fbh); - if (ret) - goto err_drm_fb_helper_fini; - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(fbh); -err_drm_err: - drm_err(dev, "armada: Failed to setup fbdev emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs armada_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = armada_fbdev_client_unregister, - .restore = armada_fbdev_client_restore, - .hotplug = armada_fbdev_client_hotplug, -}; - -void armada_fbdev_setup(struct drm_device *dev) -{ - struct drm_fb_helper *fbh; - int ret; - - drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); - drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); - - fbh = kzalloc(sizeof(*fbh), GFP_KERNEL); - if (!fbh) - return; - drm_fb_helper_prepare(dev, fbh, 32, &armada_fb_helper_funcs); - - ret = drm_client_init(dev, &fbh->client, "fbdev", &armada_fbdev_client_funcs); - if (ret) { - drm_err(dev, "Failed to register client: %d\n", ret); - goto err_drm_client_init; - } - - drm_client_register(&fbh->client); - - return; - -err_drm_client_init: - drm_fb_helper_unprepare(fbh); - kfree(fbh); - return; -} |