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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 920AFCA0FF7 for ; Wed, 27 Aug 2025 07:57:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5071C10E742; Wed, 27 Aug 2025 07:56:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="pF7H9Uf7"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9708C10E2DC; Tue, 26 Aug 2025 09:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1756199024; bh=AEA0tboIIwumHQDgu58GiD5GyIcRWbalr3fv6UgFixo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=pF7H9Uf7g+Np9cwo3+MdkCq9Z9WSFF3tukQSL1HFuR2XzeUvattpNMM5mK8QmgKG1 rgN0UgFbUuabSNizJUXthZhBsnBw/Fltv6vWhQjANB6MlpZ1xMqp6vd2W4VTQuG4aL cRYzkeaRLFccPRVpW8Dr34dczjQXCoyvUiDR3nN9+bT+aCDquL4aTKnfQr9W7Wr87u J/lV7iLi/HeOTRtTOlfM6/q9SPao32Ds5a0vuOn/CkvPUi5sucqsyCzyoqM7SaX3uH JjH088gBYdpZ1Gfd4cPCwLtyf9ESzQAxlbCZDFQSdzSeGtQ/LXoj1RmIeBXeqPNL4A BWtzmOTvDPJVQ== Received: from eldfell (unknown [194.136.85.206]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pq) by bali.collaboradmins.com (Postfix) with ESMTPSA id 2165B17E0A28; Tue, 26 Aug 2025 11:03:43 +0200 (CEST) Date: Tue, 26 Aug 2025 12:03:06 +0300 From: Pekka Paalanen To: Alex Hung Cc: Xaver Hugl , Sebastian Wick , dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, wayland-devel@lists.freedesktop.org, harry.wentland@amd.com, leo.liu@amd.com, ville.syrjala@linux.intel.com, contact@emersion.fr, mwen@igalia.com, jadahl@redhat.com, shashank.sharma@amd.com, agoins@nvidia.com, joshua@froggi.es, mdaenzer@redhat.com, aleixpol@kde.org, victoria@system76.com, daniel@ffwll.ch, uma.shankar@intel.com, quic_naseer@quicinc.com, quic_cbraga@quicinc.com, quic_abhinavk@quicinc.com, marcan@marcan.st, Liviu.Dudau@arm.com, sashamcintosh@google.com, chaitanya.kumar.borah@intel.com, louis.chauvet@bootlin.com, mcanal@igalia.com, nfraprado@collabora.com, Daniel Stone Subject: Re: [PATCH V11 06/47] drm/colorop: Add 1D Curve subtype Message-ID: <20250826120306.618c275f@eldfell> In-Reply-To: <4eef4157-cad5-4399-9bc9-c5c2f005d472@amd.com> References: <20250815035047.3319284-1-alex.hung@amd.com> <20250815035047.3319284-7-alex.hung@amd.com> <4eef4157-cad5-4399-9bc9-c5c2f005d472@amd.com> X-Mailer: Claws Mail 4.3.1 (GTK 3.24.49; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/3qjeMGeqauBUipZAl8_EYKi"; protocol="application/pgp-signature"; micalg=pgp-sha256 X-Mailman-Approved-At: Wed, 27 Aug 2025 07:56:57 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" --Sig_/3qjeMGeqauBUipZAl8_EYKi Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Thu, 21 Aug 2025 11:54:32 -0600 Alex Hung wrote: > On 8/21/25 06:23, Xaver Hugl wrote: > >> We user space folks have been convinced at this point that the sRGB EO= TF > >> is actually gamma 2.2, and not the piece-wise function. Now, if the > >> hardware is actually the piece-wise, then that's what should be expose= d, > >> but I'm a bit unsure if we should do that under the name sRGB EOTF. =20 > > Maybe simply rename the enum string to "sRGB piece-wise EOTF"? In > > hindsight, the naming of "srgb" in the Wayland protocol caused a lot > > of confusion, it's better to be explicit about it where possible. =20 >=20 > I will leave this to Harry to comment. He is taking a few days off so I=20 > will check with him later. >=20 "sRGB inverse OETF"? Strictly speaking "sRGB piece-wise EOTF" is not a thing AFAIU. 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