From: Daniel Thompson <danielt@kernel.org>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: lee@kernel.org, pavel@ucw.cz, jingoohan1@gmail.com,
deller@gmx.de, simona@ffwll.ch, linux-leds@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
Simona Vetter <simona.vetter@ffwll.ch>
Subject: Re: [PATCH v4 08/11] backlight: lcd: Replace fb events with a dedicated function call
Date: Fri, 21 Mar 2025 11:27:24 +0000 [thread overview]
Message-ID: <Z91NHP65X9GFIYOe@aspen.lan> (raw)
In-Reply-To: <20250321095517.313713-9-tzimmermann@suse.de>
On Fri, Mar 21, 2025 at 10:54:01AM +0100, Thomas Zimmermann wrote:
> Remove support for fb events from the lcd subsystem. Provide the
> helper lcd_notify_blank_all() instead. In fbdev, call
> lcd_notify_blank_all() to inform the lcd subsystem of changes
> to a display's blank state.
>
> Fbdev maintains a list of all installed notifiers. Instead of fbdev
> notifiers, maintain an internal list of lcd devices.
>
> v3:
> - export lcd_notify_mode_change_all() (kernel test robot)
> v2:
> - maintain global list of lcd devices
> - avoid IS_REACHABLE() in source file
> - use lock guards
> - initialize lcd list and list mutex
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Acked-by: Simona Vetter <simona.vetter@ffwll.ch>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Daniel.
next prev parent reply other threads:[~2025-03-21 11:27 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-21 9:53 [PATCH v4 00/11] backlight, lcd, led: Remove fbdev dependencies Thomas Zimmermann
2025-03-21 9:53 ` [PATCH v4 01/11] fbdev: Rework fb_blank() Thomas Zimmermann
2025-03-21 9:53 ` [PATCH v4 02/11] fbdev: Track display blanking state Thomas Zimmermann
2025-03-21 9:53 ` [PATCH v4 03/11] fbdev: Send old blank state in FB_EVENT_BLANK Thomas Zimmermann
2025-03-21 9:53 ` [PATCH v4 04/11] backlight: Implement fbdev tracking with blank state from event Thomas Zimmermann
2025-03-21 9:53 ` [PATCH v4 05/11] backlight: Move blank-state handling into helper Thomas Zimmermann
2025-03-21 9:53 ` [PATCH v4 06/11] backlight: Replace fb events with a dedicated function call Thomas Zimmermann
2025-03-21 11:26 ` Daniel Thompson
2025-03-21 9:54 ` [PATCH v4 07/11] backlight: lcd: Move event handling into helpers Thomas Zimmermann
2025-03-21 9:54 ` [PATCH v4 08/11] backlight: lcd: Replace fb events with a dedicated function call Thomas Zimmermann
2025-03-21 11:27 ` Daniel Thompson [this message]
2025-03-24 7:43 ` Thomas Zimmermann
2025-03-28 8:42 ` Lee Jones
2025-03-28 13:18 ` Thomas Zimmermann
2025-03-21 9:54 ` [PATCH v4 09/11] leds: backlight trigger: Move blank-state handling into helper Thomas Zimmermann
2025-03-21 9:54 ` [PATCH v4 10/11] leds: backlight trigger: Replace fb events with a dedicated function call Thomas Zimmermann
2025-03-21 9:54 ` [PATCH v4 11/11] fbdev: Remove constants of unused events Thomas Zimmermann
2025-04-10 9:39 ` [PATCH v4 00/11] backlight, lcd, led: Remove fbdev dependencies Lee Jones
2025-04-10 9:41 ` Lee Jones
2025-04-15 17:27 ` [GIT PULL] Immutable branch between Backlight, fbdev and LEDs for the v6.16 merge window Lee Jones
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