diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/fbdev.c')
-rw-r--r-- | drivers/gpu/drm/tegra/fbdev.c | 98 |
1 files changed, 6 insertions, 92 deletions
diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c index db6eaac3d30e..cd9d798f8870 100644 --- a/drivers/gpu/drm/tegra/fbdev.c +++ b/drivers/gpu/drm/tegra/fbdev.c @@ -66,8 +66,11 @@ static const struct fb_ops tegra_fb_ops = { .fb_destroy = tegra_fbdev_fb_destroy, }; -static int tegra_fbdev_probe(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) +static const struct drm_fb_helper_funcs tegra_fbdev_helper_funcs = { +}; + +int tegra_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) { struct tegra_drm *tegra = helper->dev->dev_private; struct drm_device *drm = helper->dev; @@ -112,6 +115,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, return PTR_ERR(fb); } + helper->funcs = &tegra_fbdev_helper_funcs; helper->fb = fb; helper->info = info; @@ -144,93 +148,3 @@ destroy: drm_framebuffer_remove(fb); return err; } - -static const struct drm_fb_helper_funcs tegra_fb_helper_funcs = { - .fb_probe = tegra_fbdev_probe, -}; - -/* - * struct drm_client - */ - -static void tegra_fbdev_client_unregister(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - - if (fb_helper->info) { - drm_fb_helper_unregister_info(fb_helper); - } else { - drm_client_release(&fb_helper->client); - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); - } -} - -static int tegra_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int tegra_fbdev_client_hotplug(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = 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, fb_helper); - 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(fb_helper); - if (ret) - goto err_drm_fb_helper_fini; - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(fb_helper); -err_drm_err: - drm_err(dev, "Failed to setup fbdev emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs tegra_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = tegra_fbdev_client_unregister, - .restore = tegra_fbdev_client_restore, - .hotplug = tegra_fbdev_client_hotplug, -}; - -void tegra_fbdev_setup(struct drm_device *dev) -{ - struct drm_fb_helper *helper; - 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"); - - helper = kzalloc(sizeof(*helper), GFP_KERNEL); - if (!helper) - return; - drm_fb_helper_prepare(dev, helper, 32, &tegra_fb_helper_funcs); - - ret = drm_client_init(dev, &helper->client, "fbdev", &tegra_fbdev_client_funcs); - if (ret) - goto err_drm_client_init; - - drm_client_register(&helper->client); - - return; - -err_drm_client_init: - drm_fb_helper_unprepare(helper); - kfree(helper); -} |