From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 88CE72AE6A; Fri, 21 Mar 2025 11:27:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742556449; cv=none; b=FWSKvBFFW64vo6/5txkhM2TE2cWRZ8bcQcMEGWPDx1ZnFxp5ZQrz8iRuSLdNwwp4KQZMG6kQuGAQuuWtMHCGrEqKB23LI/P1MzVPzizzo3Yt7ddOv2Y1ENQceF4fJPlzfsCvU7LtiVdefjIGprPlfXTo8UKLK4+2uuTvVCE7U5k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742556449; c=relaxed/simple; bh=rvjzcfTIqsBtdQ3O3s16B5g9KwEuLjN4A+GexIfIzZU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=upmBmNzwNh7+2CML8FhOGXZYepWk7mWrtQ8fd/YZPTKjmNIbQYM/sZVBULkWEqmkhC720MqnhSLw+obYd1JD582NqwN8chblwMferuZc0m89XTpmd3DFrBI+rp/wAxC+zGHzZGyiwb8irjXz/PCTNuWXYAjdM5nLpfYLsl03SRY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RSsMPZ2X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RSsMPZ2X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00132C4CEE3; Fri, 21 Mar 2025 11:27:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742556449; bh=rvjzcfTIqsBtdQ3O3s16B5g9KwEuLjN4A+GexIfIzZU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RSsMPZ2X1nNcVAJSFt7oZI9povVzRcXbTJFMcT831k7xReWgUtSWrQH9GTWOJa3pg ALsqL8vlJ0n74DbHxSAZPBE/RHnCaIPoZ52E2vuLPQSLiEf5LV4k3c0cgU3v3+lIGm tAPfqpHAVE5cZqgOD68wqCCptLgOhVxBPaSQbBDvbK3cfyEQe2vS/BCio3+SB785CT Ce0sYCMuL+/tSrInQ/UjhPWmnco37Vrs7G2zuOVThx3Q+AhHUU70N66tYlceb0S4DL vHDt9Biy88k2WpwV8axwpnFohs7OOyKy2s0rR+G7N18osea+0KjPBtNBz21XQqXYa9 s4w3+6m2O/FcA== Date: Fri, 21 Mar 2025 11:27:24 +0000 From: Daniel Thompson To: Thomas Zimmermann 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 Subject: Re: [PATCH v4 08/11] backlight: lcd: Replace fb events with a dedicated function call Message-ID: References: <20250321095517.313713-1-tzimmermann@suse.de> <20250321095517.313713-9-tzimmermann@suse.de> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 > Acked-by: Simona Vetter Reviewed-by: Daniel Thompson (RISCstar) Daniel.