Implement struct drm_client_funcs with the respective helpers and
remove the custom code from the emulation. The generic helpers are
equivalent in functionality.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
---
 drivers/gpu/drm/omapdrm/omap_fbdev.c | 55 ++--------------------------
 1 file changed, 3 insertions(+), 52 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c 
b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index 523be34682caf..f6c131932a756 100644
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -7,7 +7,6 @@
 #include <linux/fb.h>
 
 #include <drm/drm_drv.h>
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_file.h>
 #include <drm/drm_fourcc.h>
@@ -280,60 +279,12 @@ static struct drm_fb_helper *get_fb(struct fb_info *fbi)
 }
 
 /*
- * struct drm_client
+ * struct drm_client_funcs
  */
 
-static void omap_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 omap_fbdev_client_restore(struct drm_client_dev *client)
-{
-       drm_fb_helper_lastclose(client->dev);
-
-       return 0;
-}
-
-static int omap_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;
-
-       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 omap_fbdev_client_funcs = {
-       .owner          = THIS_MODULE,
-       .unregister     = omap_fbdev_client_unregister,
-       .restore        = omap_fbdev_client_restore,
-       .hotplug        = omap_fbdev_client_hotplug,
+       .owner = THIS_MODULE,
+       DRM_FBDEV_HELPER_CLIENT_FUNCS,
 };
 
 void omap_fbdev_setup(struct drm_device *dev)
-- 
2.44.0

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