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 91557C25B78 for ; Tue, 4 Jun 2024 19:44:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=HfouVA+9kqXPS+SnRg+Pr9wkJ3cR5dZzPTALqnLeZDA=; b=dyG1neozJxRsSd YQzR+k8xzzbcprirCS9orJJqVo+kbB+jnw3R4CM+kEx7xmdu7VYtxEH24yKSgKwEMoaLJQc6tdzki la/HO4xiIS/ZiV7hr0p3qDLT2X4vLoIkCJ+/MYh90Av2aH+LN8geBFO6O2Lm8sZoYkVZRjIVaW+l6 +4Ek9nT91TX/4nJBbdhluCyrRaInzWkkIhbcfpaIJz+PBJX/PxO6i5lGH2gIJNtfZP+Lx87lXeIQJ nlYLcygt/n5uch0zrPzf2/nG27JM//dmGeig8jhMKao+w5O0joO/xG/UHGSDMM50ZQVCZm8Bf5Vbc MHkHl1aXPCMEHysDgpxA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sEa4v-00000003dO8-2q58; Tue, 04 Jun 2024 19:44:17 +0000 Received: from madrid.collaboradmins.com ([46.235.227.194]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sEa4r-00000003dKe-18ld; Tue, 04 Jun 2024 19:44:15 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1717530247; bh=oGz3iRzmdqum59ggsBZtJboMbceE1QjBtHdfjHHfQLs=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Fe0wWaxK5i/OnnlAWeSBrvGQEwhZIT2S2xwBn9HEJab+3UIrADowsdecA4JA22FXh w9b7Oy0FXpEWDWqVYyje3Kvb5rl/4nvNyh+w0w8hWYPNyoBG3DP6g5vsaiMh8/gp8q /OsEgimp++IEeQuz8wrh9Ms2tw7kKECrNuP0iZpcYq49qyduwajbXfFkFk3C1k/d0B WyWtko6z9NySVS5p/dRimGdJhs0xcLSqqYFYANANHYRz9KrToiMNCGn0MyrwJow/Ac PK2ugOK2mxf/0gFtgLLxeyPcl31CDzcOajWN2uBQQNTYG4u0LGjXdvHrIzH15S9bbN 206gavtDqdMHw== Received: from [100.115.223.179] (cola.collaboradmins.com [195.201.22.229]) (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 madrid.collaboradmins.com (Postfix) with ESMTPSA id 33EFE3782146; Tue, 4 Jun 2024 19:44:05 +0000 (UTC) Message-ID: <892b2070-2fd0-42b2-a8c2-811dc7382b0c@collabora.com> Date: Tue, 4 Jun 2024 22:44:04 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/14] Add initial support for the Rockchip RK3588 HDMI TX Controller To: Dmitry Baryshkov Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sandy Huang , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andy Yan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Yao , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@collabora.com, Alexandre ARNOUD , Luis de Arquer , Algea Cao References: <20240601-b4-rk3588-bridge-upstream-v1-0-f6203753232b@collabora.com> From: Cristian Ciocaltea Content-Language: en-US In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240604_124413_823526_6B7A0176 X-CRM114-Status: GOOD ( 12.41 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 6/1/24 7:32 PM, Dmitry Baryshkov wrote: > On Sat, Jun 01, 2024 at 04:12:22PM +0300, Cristian Ciocaltea wrote: >> The RK3588 SoC family integrates a Quad-Pixel (QP) variant of the >> Synopsys DesignWare HDMI TX controller used in the previous SoCs. >> >> It is HDMI 2.1 compliant and supports the following features, among >> others: >> >> * Fixed Rate Link (FRL) >> * 4K@120Hz and 8K@60Hz video modes >> * Variable Refresh Rate (VRR) including Quick Media Switching (QMS) >> * Fast Vactive (FVA) >> * SCDC I2C DDC access >> * TMDS Scrambler enabling 2160p@60Hz with RGB/YCbCr4:4:4 >> * YCbCr4:2:0 enabling 2160p@60Hz at lower HDMI link speeds >> * Multi-stream audio >> * Enhanced Audio Return Channel (EARC) > > It would be really nice if you can take a look at using the HDMI > connector framework (landed few days ago) with adaptations for the > drm_bridge / drm_bridge_connector ([1]). Your comments for the > drm_bridge patches would be defeinitely appreciated. > > [1] https://lore.kernel.org/dri-devel/20240531-bridge-hdmi-connector-v4-0-5110f7943622@linaro.org/ I will definitely check and try to use it, but I'd rather wait a bit until this gets stabilized and focus instead on the mandatory changes required to upstream this driver. That's mostly because my limited availability and expertise on the matter, while trying to unblock other work depending on this. Thanks, Cristian _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel