From patchwork Wed Jun 5 13:47:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ville Syrjala X-Patchwork-Id: 13686987 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 93177C27C5E for ; Wed, 5 Jun 2024 13:48:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6853210E69E; Wed, 5 Jun 2024 13:48:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="gsxB4Ohr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id BA30910E4F0 for ; Wed, 5 Jun 2024 13:48:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717595295; x=1749131295; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=raoNF3iysIixTlSMsONE18nVKluaHZDzPFny85hlEB0=; b=gsxB4Ohr99l7ainhyrFEWKBiqoy+4YGZZsiuug/J7lbeaVZFFkvmM33w niGjOvJWWEijzzvA2D/e4gZNUn119FkLCexivJDA5Luu3SS2qXjMcD/68 anpd5rjoonQdjLzvwbull9saPg7nN7HoQL7wpA8NEka2QqDWK54jifeAR E1/bSGiv6x/WistWwXCzpN26nV12lpbrdsHkHtbUC0W2ddbaA690H7IbT Xaf9MhvuDViyDIdDOhBo72+ckGFXOpS9qpIdYUEBnIQDnIoyrQlV8dz/z kGQOQO8ftyW0TYiHztz/kuk6GwQUbCjSY9A70fzeNXzOm3xTHYHhlKNxm Q==; X-CSE-ConnectionGUID: V0IvczV7R9iqIDj6FlTiuw== X-CSE-MsgGUID: vH7JRyKTRjGlJAKWCgpBzA== X-IronPort-AV: E=McAfee;i="6600,9927,11093"; a="39608300" X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="39608300" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2024 06:48:02 -0700 X-CSE-ConnectionGUID: /vaLaLqLSqaSbhKvaIh0gQ== X-CSE-MsgGUID: lSXnG8W1QKODn/GI/bQAng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="37605045" Received: from stinkpipe.fi.intel.com (HELO stinkbox) ([10.237.72.74]) by fmviesa008.fm.intel.com with SMTP; 05 Jun 2024 06:48:00 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 05 Jun 2024 16:47:59 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Subject: [PATCH 2/2] drm/i915/bios: Define the "luminance and gamma" sub-struct of block 46 Date: Wed, 5 Jun 2024 16:47:56 +0300 Message-ID: <20240605134756.17099-2-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.44.1 In-Reply-To: <20240605134756.17099-1-ville.syrjala@linux.intel.com> References: <20240605134756.17099-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 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" From: Ville Syrjälä 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 Syrjälä 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; +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; /*