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

Thomas Zimmermann
2023-01-23T10:06:11Z

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(-)

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);
--
2.39.0