[PATCH 06/11] drm/exynos: Use fbdev client helpers

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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 <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 58 ++---------------------
 1 file changed, 3 insertions(+), 55 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index a379c8ca435a3..982754008a803 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -10,7 +10,6 @@
 
 #include <linux/fb.h>
 
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_framebuffer.h>
@@ -140,63 +139,12 @@ static const struct drm_fb_helper_funcs exynos_drm_fb_helper_funcs = {
 };
 
 /*
- * struct drm_client
+ * struct drm_client_funcs
  */
 
-static void exynos_drm_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 exynos_drm_fbdev_client_restore(struct drm_client_dev *client)
-{
-	drm_fb_helper_lastclose(client->dev);
-
-	return 0;
-}
-
-static int exynos_drm_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 exynos_drm_fbdev_client_funcs = {
-	.owner		= THIS_MODULE,
-	.unregister	= exynos_drm_fbdev_client_unregister,
-	.restore	= exynos_drm_fbdev_client_restore,
-	.hotplug	= exynos_drm_fbdev_client_hotplug,
+	.owner = THIS_MODULE,
+	DRM_FBDEV_HELPER_CLIENT_FUNCS,
 };
 
 void exynos_drm_fbdev_setup(struct drm_device *dev)
-- 
2.44.0




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