diff mbox series

[v2,04/10] drm/fbdev-generic: Initialize fb-helper structure in generic setup

Message ID 20230124134010.30263-5-tzimmermann@suse.de
State Superseded
Headers show
Series drm/fb-helper: Various cleanups | expand

Commit Message

Thomas Zimmermann Jan. 24, 2023, 1:40 p.m. UTC 
Initialize the fb-helper structure immediately after its allocation
in drm_fbdev_generic_setup(). That will make it easier to fill it with
driver-specific values, such as the preferred BPP.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/drm_fbdev_generic.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

Comments

Javier Martinez Canillas Jan. 25, 2023, 9:25 a.m. UTC | #1 
On 1/24/23 14:40, Thomas Zimmermann wrote:
> Initialize the fb-helper structure immediately after its allocation
> in drm_fbdev_generic_setup(). That will make it easier to fill it with
> driver-specific values, such as the preferred BPP.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---

[...]

> @@ -456,12 +454,12 @@ void drm_fbdev_generic_setup(struct drm_device *dev,
>  	fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL);
>  	if (!fb_helper)
>  		return;

Maybe add a new line here?

> +	drm_fb_helper_prepare(dev, fb_helper, &drm_fb_helper_generic_funcs);
>  

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/drm_fbdev_generic.c b/drivers/gpu/drm/drm_fbdev_generic.c
index 135d58b8007b..63f66325a8a5 100644
--- a/drivers/gpu/drm/drm_fbdev_generic.c
+++ b/drivers/gpu/drm/drm_fbdev_generic.c
@@ -385,8 +385,6 @@  static int drm_fbdev_client_hotplug(struct drm_client_dev *client)
 	if (dev->fb_helper)
 		return drm_fb_helper_hotplug_event(dev->fb_helper);
 
-	drm_fb_helper_prepare(dev, fb_helper, &drm_fb_helper_generic_funcs);
-
 	ret = drm_fb_helper_init(dev, fb_helper);
 	if (ret)
 		goto err;
@@ -456,12 +454,12 @@  void drm_fbdev_generic_setup(struct drm_device *dev,
 	fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL);
 	if (!fb_helper)
 		return;
+	drm_fb_helper_prepare(dev, fb_helper, &drm_fb_helper_generic_funcs);
 
 	ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs);
 	if (ret) {
-		kfree(fb_helper);
 		drm_err(dev, "Failed to register client: %d\n", ret);
-		return;
+		goto err_drm_client_init;
 	}
 
 	/*
@@ -484,5 +482,12 @@  void drm_fbdev_generic_setup(struct drm_device *dev,
 		drm_dbg_kms(dev, "client hotplug ret=%d\n", ret);
 
 	drm_client_register(&fb_helper->client);
+
+	return;
+
+err_drm_client_init:
+	drm_fb_helper_unprepare(fb_helper);
+	kfree(fb_helper);
+	return;
 }
 EXPORT_SYMBOL(drm_fbdev_generic_setup);