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 5FF7DC25B75 for ; Thu, 6 Jun 2024 10:56:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BDFFD10E8C3; Thu, 6 Jun 2024 10:56:25 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="TTD/57KQ"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0B5AA10E8C3 for ; Thu, 6 Jun 2024 10:56:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717671384; x=1749207384; h=from:to:subject:in-reply-to:references:date:message-id: mime-version:content-transfer-encoding; bh=SqaeeYpv9eTup2dAmTHi5jc814um+9nJb6NL6n44wSY=; b=TTD/57KQ8CR/37i4MJJNF7TJuy8zBkGNbuHMBU0PEG0jBhjaNu2Pz9Kt 1PRBjgGUu3yAad9TwVQPDqJjuVGhzC7xOsD7Tw6l62orjZLANbvMmxwM7 Dkp2JBlH3SGY85ITLmzJn3Rvm7w4WjFlu0uPFo9zA7bVwuYikV92iQ7R2 iaOBA4QfGbaLP3B8k8M6h8nV0QAKChSkvHSbPbQdXAwshUjrcPqA+oq+f bpH/Zsxd3VR+ZgnemQiuYRnaJE77ySy2+LhfXN1uKUo7qa166W1SYC4Qh 9zojQp9pU29QEVxS6qdkzEuB7RYyAHZ2wmnQK0pvaMyimBTMdWRcwTNkn Q==; X-CSE-ConnectionGUID: 2v574vVfTnm7SiVGeFjf1A== X-CSE-MsgGUID: 90zdX+rpSE63YWDYF9mZ/w== X-IronPort-AV: E=McAfee;i="6600,9927,11094"; a="31873927" X-IronPort-AV: E=Sophos;i="6.08,219,1712646000"; d="scan'208";a="31873927" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2024 03:56:23 -0700 X-CSE-ConnectionGUID: qPXmbD6HQtC8r/Bxq+jsVQ== X-CSE-MsgGUID: Hv3MqHwNR7i0ULbPwMI76g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,219,1712646000"; d="scan'208";a="37889946" Received: from unknown (HELO localhost) ([10.237.66.160]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2024 03:56:22 -0700 From: Jani Nikula To: Ville Syrjala , intel-gfx@lists.freedesktop.org Subject: Re: [PATCH 2/2] drm/i915/bios: Define the "luminance and gamma" sub-struct of block 46 In-Reply-To: <20240605134756.17099-2-ville.syrjala@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20240605134756.17099-1-ville.syrjala@linux.intel.com> <20240605134756.17099-2-ville.syrjala@linux.intel.com> Date: Thu, 06 Jun 2024 13:56:20 +0300 Message-ID: <875xumbaqz.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Wed, 05 Jun 2024, Ville Syrjala wrote: > From: Ville Syrj=C3=A4l=C3=A4 > > Since BDB version 211 block 46 has included more luminance and > gamma related information. Define it fully. The data is semi-based > on DisplayID v2.0 apparently. > > Signed-off-by: Ville Syrj=C3=A4l=C3=A4 Reviewed-by: Jani Nikula > --- > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/= drm/i915/display/intel_vbt_defs.h > index da8694771f69..1af8407e2081 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -1395,8 +1395,20 @@ struct chromaticity { > u8 white_y_hi; > } __packed; >=20=20 > +struct luminance_and_gamma { > + u8 luminance_enable:1; /* 211+ */ > + u8 gamma_enable:1; /* 211+ */ > + u8 rsvd:6; > + > + u16 min_luminance; /* 211+ */ > + u16 max_luminance; /* 211+ */ > + u16 one_percent_max_luminance; /* 211+ */ > + u8 gamma; /* 211+ */ > +} __packed; > + > struct bdb_chromaticity { > struct chromaticity chromaticity[16]; > + struct luminance_and_gamma luminance_and_gamma[16]; /* 211+ */ > } __packed; >=20=20 > /* --=20 Jani Nikula, Intel