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path: root/drivers/gpu/drm/armada/armada_fbdev.c
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Diffstat (limited to 'drivers/gpu/drm/armada/armada_fbdev.c')
-rw-r--r--drivers/gpu/drm/armada/armada_fbdev.c113
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;
-}