From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 95182CA1010 for ; Fri, 5 Sep 2025 07:30:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PNxvDOvd8G1m64AE609EAEi6RrdNbV19NmADyoCJTq4=; b=oOuGzGHKpYf0ycbSv8VhhmKTVD tQVxVWd+QqYfbPU2nH47Tb8RNZz75yWbzxXak/xzZWUTRYe/itSb9/E7TqhL/ej4pLErk5pMmnGft e6+2AJZpusl0kkh52TvieqnmCNGlc1PcyL+MZuvueqfYX/Jlxo/qjW5dvUvMSyGmA1awSfO9RBsZP 7qMHZ3f9YIcxC/Z9ensCzbweWoUgj32a5A9MPcAlTOw0GbMN7UObNh3g7oUR7aCSBdLPCdwVZPTCb FNex/gbiUR8ybJ2GIu4XX6hOYk5B2WiVGQ3PD4g3VJ6+0WoTpQMsX/2Bk+nZ6XN6h89wbHkCvcBkx StXs3vug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uuQts-0000000021S-3OYi; Fri, 05 Sep 2025 07:30:24 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uuQ02-0000000HIfk-40XP; Fri, 05 Sep 2025 06:32:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1757053958; bh=+7T7YDi0eC3wFyrqKUeCl1oFOAZDbzc81FLfZBDTU+k=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=e6uAehnCU3Tqg7vgAX2kr5jkq6WsX55n8IXGAc6naznjJwO31ev0KLB4nHeIga/u6 s/Tw5J83/aamEgYEr9O7VKjAh9gltJ1IcMeZg+n5z3jqlsy7T9p/xGZuDALzsm1Lx/ sJRg5riQaNwg4JEWscp3bkG13Ema7go57AwL6s9VuebsvlpMUVs/I8bNGNY6LfCB6I mYumHDp7L+YBH46ak/A+NsEk8egyxk7fPwNMzKhNQDrNfBlrxcCay25FfBfxxY8Nw3 W2Ygtj5WKMrphzQO4jV+7AH/Sg+9JSq6xklGpvL8DJkKetA8dF+7Zfzdh7azuq9Oxr 2nUbBnORDUv9Q== Received: from [192.168.1.90] (unknown [82.79.138.60]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 64EFA17E0EB8; Fri, 5 Sep 2025 08:32:37 +0200 (CEST) Message-ID: Date: Fri, 5 Sep 2025 09:32:36 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/6] Add HDMI CEC support to Rockchip RK3588/RK3576 SoCs To: Dmitry Baryshkov Cc: Sandy Huang , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andy Yan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Catalin Marinas , Will Deacon , kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Algea Cao , Derek Foreman , Daniel Stone References: <20250903-rk3588-hdmi-cec-v4-0-fa25163c4b08@collabora.com> Content-Language: en-US From: Cristian Ciocaltea In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250904_233243_154284_690A4235 X-CRM114-Status: GOOD ( 18.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Dmitry, On 9/5/25 2:48 AM, Dmitry Baryshkov wrote: > On Wed, Sep 03, 2025 at 09:50:58PM +0300, Cristian Ciocaltea wrote: >> The first patch in the series implements the CEC capability of the >> Synopsys DesignWare HDMI QP TX controller found in RK3588 & RK3576 Socs. >> This is based on the downstream code, but rewritten on top of the CEC >> helpers added recently to the DRM HDMI connector framework. >> >> The second patch is needed for RK3576 in order to fixup the timer base >> setup according to the actual reference clock rate, which differs >> slightly from RK3588. >> >> The following three patches setup platform data with the new information >> expected by the HDMI QP transmitter library, while improving the error >> handling in the probe path. >> >> Please note the CEC helpers were affected by a resource deallocation >> issue which could crash the kernel and freeze the system under certain >> test conditions. This has been already fixed in v6.17-rc1 via commit >> 19920ab98e17 ("drm/display: hdmi-cec-helper: Fix adapter >> unregistration"). >> >> Signed-off-by: Cristian Ciocaltea > > Cristian, I'm sorry for almost off-topic, but as you are working on this > driver: would it be possible to support HDMI (vendor-specific) and SPD > InfoFrames in the dw-hdmi-qp driver? Sure, no worries. I'll be on leave for the next two weeks, but I can handle it on my return. Regards, Cristian