Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v6.19.11 2025-07-27T17:56:51+00:00 2025-07-27T17:56:51+00:00 Chenyuan Yang chenyuan0y@gmail.com 2025-07-24T03:25:34+00:00 urn:sha1:da11e6a30e0bb8e911288bdc443b3dc8f6a7cac7 fb_add_videomode() can fail with -ENOMEM when its internal kmalloc() cannot allocate a struct fb_modelist. If that happens, the modelist stays empty but the driver continues to register. Add a check for its return value to prevent poteintial null-ptr-deref, which is similar to the commit 17186f1f90d3 ("fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var"). Fixes: 1b6c79361ba5 ("video: imxfb: Add DT support") Signed-off-by: Chenyuan Yang <chenyuan0y@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de> 2024-11-23T00:29:57+00:00 Linus Torvalds torvalds@linux-foundation.org 2024-11-23T00:29:57+00:00 urn:sha1:2fb7eb3d7e8c5c0375c726c7d5c443e6f7e53741 Pull backlight updates from Lee Jones: - Improve handling of LCD power states and interactions with the fbdev subsystem - Introduce new LCD_POWER_ constants to decouple the LCD subsystem from fbdev - Update several drivers to use the new LCD_POWER_ constants - Clarify the semantics of the lcd_ops.controls_device callback - Remove unnecessary includes and dependencies - Remove unused notifier functionality - Simplify code with scoped for-each loops - Fix module autoloading for the ktz8866 driver - Update device tree bindings to yaml format - Minor cleanups and improvements in various drivers * tag 'backlight-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (33 commits) MAINTAINERS: Use Daniel Thompson's korg address for Backlight work dt-bindings: backlight: Convert zii,rave-sp-backlight.txt to yaml backlight: Remove notifier backlight: ktz8866: Fix module autoloading backlight: 88pm860x_bl: Simplify with scoped for each OF child loop backlight: lcd: Do not include <linux/fb.h> in lcd header backlight: lcd: Remove struct fb_videomode from set_mode callback backlight: lcd: Replace check_fb with controls_device HID: picoLCD: Replace check_fb in favor of struct fb_info.lcd_dev fbdev: omap: Use lcd power constants fbdev: imxfb: Use lcd power constants fbdev: imxfb: Replace check_fb in favor of struct fb_info.lcd_dev fbdev: clps711x-fb: Use lcd power constants fbdev: clps711x-fb: Replace check_fb in favor of struct fb_info.lcd_dev backlight: tdo24m: Use lcd power constants backlight: platform_lcd: Use lcd power constants backlight: platform_lcd: Remove match_fb from struct plat_lcd_data backlight: platform_lcd: Remove include statement for <linux/backlight.h> backlight: otm3225a: Use lcd power constants backlight: ltv350qv: Use lcd power constants ... 2024-10-08T19:47:18+00:00 Uwe Kleine-König u.kleine-koenig@baylibre.com 2024-10-07T16:35:17+00:00 urn:sha1:01ecc142ef7c8c5081a39be81c1d8ab7c10dd7b8 After commit 0edb555a65d1 ("platform: Make platform_driver::remove() return void") .remove() is (again) the right callback to implement for platform drivers. Convert all platform drivers below drivers/video/fbdev to use .remove(), with the eventual goal to drop struct platform_driver::remove_new(). As .remove() and .remove_new() have the same prototypes, conversion is done by just changing the structure member name in the driver initializer. While touching these files, make indention of the struct initializer consistent in several files. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Helge Deller <deller@gmx.de> 2024-09-30T15:49:42+00:00 Thomas Zimmermann tzimmermann@suse.de 2024-09-06T07:52:37+00:00 urn:sha1:32c913d82ec70af3103608996dbd32aa92004347 Replace FB_BLANK_ constants with their counterparts from the lcd subsystem. The values are identical, so there's no change in functionality. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240906075439.98476-24-tzimmermann@suse.de Signed-off-by: Lee Jones <lee@kernel.org> 2024-09-30T15:49:42+00:00 Thomas Zimmermann tzimmermann@suse.de 2024-09-06T07:52:36+00:00 urn:sha1:488d807101c208d057c429dd6f9ce00041eda094 Store the lcd device in struct fb_info.lcd_dev. The lcd subsystem can now detect the lcd's fbdev device from this field. This makes the implementation of check_fb in imxfb_lcd_ops obsolete. Remove it. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240906075439.98476-23-tzimmermann@suse.de Signed-off-by: Lee Jones <lee@kernel.org> 2024-05-03T09:45:46+00:00 Krzysztof Kozlowski krzk@kernel.org 2024-04-24T06:33:43+00:00 urn:sha1:8b2d4564eca41581950ee113d41e180db7ea77b9 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20240424-video-backlight-lcd-ops-v2-17-1aaa82b07bc6@kernel.org Signed-off-by: Lee Jones <lee@kernel.org> 2024-01-11T16:09:01+00:00 Dario Binacchi dario.binacchi@amarulasolutions.com 2023-11-11T10:41:59+00:00 urn:sha1:d6dfcdaa4e6e1a7fa99dc068f47f6b7b8c5bb634 Linux kernel coding style uses '*/' on a separate line at the end of multi line comments. Fix block comments by moving '*/' at the end of block comments on a separate line as reported by checkpatch: WARNING: Block comments use a trailing */ on a separate line Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Helge Deller <deller@gmx.de> 2024-01-11T16:09:01+00:00 Dario Binacchi dario.binacchi@amarulasolutions.com 2023-11-11T10:41:58+00:00 urn:sha1:cb892e5dfed3044974c4f10addbc297966224fe8 Resolve the following warning reported by checkpatch: WARNING: Prefer using '"%s...", __func__' to using 'imxfb_blank', this function's name, in a string Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Helge Deller <deller@gmx.de> 2024-01-11T16:09:01+00:00 Dario Binacchi dario.binacchi@amarulasolutions.com 2023-11-11T10:41:57+00:00 urn:sha1:77bf5df43348c45eddf40e06e9a1d417f1d755ef Resolve the following warning reported by checkpatch: WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(... to printk(KERN_ERR ... This made it necessary to move the 'fbi->pdev = pdev' setting to the beginning of the driver's probing. Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Helge Deller <deller@gmx.de> 2024-01-11T16:09:01+00:00 Dario Binacchi dario.binacchi@amarulasolutions.com 2023-11-11T10:41:56+00:00 urn:sha1:62c82a47cbf8f183db24382bd5fc6e3067cd54c4 Fix the following checkpatch error: ERROR: space required after that ',' (ctx:VxV) Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Helge Deller <deller@gmx.de>