From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 51FBE283FEF for ; Mon, 12 Jan 2026 22:40:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768257650; cv=none; b=J3Ryo1wRq6Y68AV+vS4mSRtQEfm2P6tYBPTtoBlizRB0GfX7bRFujA9yMwc1NVfJ8V8BYryu0FdDBWGvT42B0hIHBpRhSI9f8cfHqOfx26iRJ65D8OTrRkGhY2BOOYyZnjScGN79SCCu1WT63lzlkogcd4Xp+tAsOo2F7zIaTus= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768257650; c=relaxed/simple; bh=36qLqTSDEnjJClGk7t0KNXMJeK/xpEkNJs2C1xB0rkQ=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=DeH7Db1PJ8WzSl+aHk4r8AtNYUOY5QkvsyJd3U70jFfMof8lvuFQ3cP2SOadhdFkXZjVXP5bJd3rAtKtLAOGfqbUAOGFrwYzQHLqmFo7R6G/51RCTIPKiD6nOqKmZASL/je1cMJy7IgVN0yY9ug5kflD89e21HZfRAEGosZjNvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=Sd439CFm; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="Sd439CFm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1768257647; bh=36qLqTSDEnjJClGk7t0KNXMJeK/xpEkNJs2C1xB0rkQ=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=Sd439CFmcd/A+4IKZDBrmZby+gwWEWv71fOHlhPZG6pLWjdY8WSGBmXZ0IzGOgTBf dfD9iJBdpB5x3IhAx+QD3YflxcRkvACP+kwFzStbPD6zN7CLpecZwijbQDaw5eL2rT LyiKW62IKPCDG/N6+HgwihPc1XXQdOtzw1VdoLzqayp+Jkkv2QATnM56FRDn/xcZBS yfJVWAygvVbC19rITn8mwK1+7XU80CFOZwHIJHrHDiB50gy3opZ+IZipXWKJ143NNz CGe+VrZvG9FVgzTntJCvEv2vAB2VOr0kGOb0n/apKoo0nXGNb921j4XyWboh+xHRg9 GD74FBHo2o64Q== Received: from [192.168.1.90] (unknown [82.79.138.145]) (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 C146F17E0A49; Mon, 12 Jan 2026 23:40:46 +0100 (CET) Message-ID: <0b28ae6d-295d-4958-9571-190fedd95efe@collabora.com> Date: Tue, 13 Jan 2026 00:40:46 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/4] Add HDMI 2.0 support to DW HDMI QP TX From: Cristian Ciocaltea To: Chris Morgan Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Diederik de Haas , Maud Spierings , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sandy Huang , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andy Yan References: <20260113-dw-hdmi-qp-scramb-v2-0-ae7b2c58d24d@collabora.com> Content-Language: en-US In-Reply-To: <20260113-dw-hdmi-qp-scramb-v2-0-ae7b2c58d24d@collabora.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 1/13/26 12:26 AM, Cristian Ciocaltea wrote: > This patch series provides the missing support for high TMDS clock ratio > and scrambling to DW HDMI QP TX library, required for handling HDMI 2.0 > display modes on RK3576 & RK3588 SoCs. > > In order to allow addressing the SCDC status lost on sink disconnects, > it adds an atomic variant of the drm_bridge_funcs.detect callback and a > new drm_bridge_detect_ctx() helper, which is further used in > drm_bridge_connector to switch to ->detect_ctx hook. > > Furthermore, it optimizes HPD event handling in dw_hdmi_qp Rockchip > platform driver to run the detect cycle on the affected connector only. > > Signed-off-by: Cristian Ciocaltea > --- > Changes in v2: > - Collected Tested-by tags from Diederik and Maud > - Rebased onto latest drm-misc-next > - Ensured the recently introduced 'no-hpd' support for dealing with > unconnected/repurposed/broken HPD pin is limited to HDMI 1.4 rates Chris, could you please confirm no-hpd is still functional with this series on your Gameforce Ace board when testing with a HDMI 2.0 display? Thanks, Cristian