From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 AC9A024E4C3; Tue, 21 Jul 2026 12:42:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784637739; cv=none; b=mrSLdFRQZIdH7bP6tk+jS3ZH0Nl8vpry6Y/+sTf76PnLvlJIJH5+SeoUQGfCrdxBupOsIOgj7wDEoSMl6Or1qLzhxW+Y+DqxGSo7f8mqB2tY3j4Bmw+tNl1xzQfzb6tkW95tECtG7Jtuis41ti2ujhpXGoR/DUF3lDFs0lBZ1SY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784637739; c=relaxed/simple; bh=/TnbbpeoB1oXIZty3GgZKB/2EZ865ywNMxJiKSUtB0g=; h=Message-ID:Date:From:To:Subject:In-Reply-To:References:Cc; b=MYLYjbF+rDA8q9lYZxujB7Awo6faVqz0xD4yCB8lAGd+VjmbPqA1ZKZMW5MsH4Gec6jPmEm4KLpJG7cg3a0vM/C522F43T+qwSAcHe236BiZB31PBVqvwgGgqEPGPudV0ahuUUAlSI6VcqzvQhSIYhC/BRCNknHIBQGmWuL4cKs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VqXsEZpH; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VqXsEZpH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B36621F000E9; Tue, 21 Jul 2026 12:42:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784637738; bh=lArIhcHzAKqXSmaKgvnqbdST5dwwZncsJFNsUoeIWDY=; h=Date:From:To:Subject:In-Reply-To:References:Cc; b=VqXsEZpH7AfMNnxdHZSnsbuT+XCpnEX1d/fTyW4vUHHDCgnaMmCpQB5cGvYbpMorB 0I7DXt+zR4DwyYpgO3ak6F5Lybbbng/Etks+dEkK3cbZE42Ii4RdtgcvsETsAfX+hf DFqlm7pUWbKUQ7CHVqyadjU2NZobAXmN/3xFvZUYtjgmSXPNe2slpr5S0JoAiBO49+ uHVOHb6mg0QAiu8iKVktzOebhHnC20PBq48YN3Jtfc9ESUiFwhqUQwEfOkaXuaJ1Cm rkQFn3m6ZpqVHH5EKXLS30Beai4wqSUI0Rz3AIA9OJ4iVOmd63mdfWo05JqVBx79Iy ZwaWQO2aZ2sIw== Message-ID: <9afcb7c026bdd910082b95eeddc939ee@kernel.org> Date: Tue, 21 Jul 2026 12:42:16 +0000 From: "Maxime Ripard" To: "Nicolas Frattaroli" Subject: Re: [PATCH v7 3/5] drm/scdc-helper: Implement parsing and printing HDMI 2.1 fields In-Reply-To: <20260721-scdc-link-health-v7-3-92df1b6ad5fc@collabora.com> References: <20260721-scdc-link-health-v7-3-92df1b6ad5fc@collabora.com> Cc: dri-devel@lists.freedesktop.org, kernel@collabora.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev, "Andrzej Hajda" , "Chen-Yu Tsai" , "Daniel Stone" , "Dave Stevenson" , "David Airlie" , "Hans Verkuil" , "Jani Nikula" , "Jernej Skrabec" , "Jonas Karlman" , "Laurent Pinchart" , "Luca Ceresoli" , "Maarten Lankhorst" , "Maxime Ripard" , =?utf-8?b?TWHDrXJhIENhbmFs?= , "Neil Armstrong" , "Raspberry Pi Kernel Maintenance" , "Robert Foss" , "Samuel Holland" , "Simona Vetter" , "Thomas Zimmermann" Content-Transfer-Encoding: 7bit Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: On Tue, 21 Jul 2026 10:58:59 +0200, Nicolas Frattaroli wrote: > HDMI 2.1 redefines previously reserved fields in SCDC for various new > uses. No version check needs to be performed, as an HDMI 2.0 sink's > reserved SCDC fields are well-defined to be 0, and any zero-ness of > these fields for an HDMI 2.0 sink is not a surprise for SCDC parsers for > HDMI 2.1. > > [ ... ] Reviewed-by: Maxime Ripard Thanks! Maxime