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 BC896C48BC4 for ; Wed, 14 Feb 2024 06:46:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 56D0F10E5A5; Wed, 14 Feb 2024 06:46:07 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="W4YgyaPO"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1B7FD10E203 for ; Wed, 14 Feb 2024 06:46:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707893166; x=1739429166; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WckOe84fU7R7nBgvsxVzUAGgG1DJC1WlqThWxInIaoQ=; b=W4YgyaPOMTBNn8vxd5wZXHfyWkr04WkaPr5XGAiK12ijpksWuo4p81N8 2aKLjpHUH4SEtG7HKxVgU+gnPkFlxTejkCfLCCAi3RhWIpTAqRRP2+vrm 8ghM2hZcbKACLLuvqrGVcgT2fN5zO1qxHuojaCX/xaY4rxAYMOu8KTCch RSjfJ2uZfDjjntdTTHCuoNiP5ysGqLRqKpcoPf4k+ZebJvXF01Ci7KpBK W56Hy9B0ftA6cbD0X7/9MwH/3hieS0nNKaPY73r5LuDiNIi/gM3xNQ25H 7As/nEhMgJJhC4zhnvnnRGGjtnXvmrbD+vRSkyzpK/VSQ+++qe5nxUs1r A==; X-IronPort-AV: E=McAfee;i="6600,9927,10982"; a="12645501" X-IronPort-AV: E=Sophos;i="6.06,159,1705392000"; d="scan'208";a="12645501" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Feb 2024 22:46:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,159,1705392000"; d="scan'208";a="3427670" Received: from bhanu-nuclab.iind.intel.com ([10.145.169.172]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Feb 2024 22:46:05 -0800 From: Bhanuprakash Modem To: igt-dev@lists.freedesktop.org Cc: Bhanuprakash Modem Subject: [RFC v4 17/22] drm-uapi: Add custom 1D LUT Date: Wed, 14 Feb 2024 12:09:48 +0530 Message-ID: <20240214063953.1285495-18-bhanuprakash.modem@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240214063953.1285495-1-bhanuprakash.modem@intel.com> References: <20240214063953.1285495-1-bhanuprakash.modem@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Signed-off-by: Bhanuprakash Modem --- include/drm-uapi/drm_mode.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/include/drm-uapi/drm_mode.h b/include/drm-uapi/drm_mode.h index 476c1a7be..7def05fe8 100644 --- a/include/drm-uapi/drm_mode.h +++ b/include/drm-uapi/drm_mode.h @@ -874,8 +874,37 @@ struct drm_color_lut { __u16 reserved; }; +/* + * Creating 64 bit palette entries for better data + * precision. This will be required for HDR and + * similar color processing usecases. + */ +struct drm_color_lut_ext { + /* + * Data is U32.32 fixed point format. + */ + __u64 red; + __u64 green; + __u64 blue; + __u64 reserved; +}; + +struct drm_color_lut_range { + /* DRM_MODE_LUT_* */ + __u32 flags; + /* number of points on the curve */ + __u16 count; + /* input/output bits per component */ + __u8 input_bpc, output_bpc; + /* input start/end values */ + __s32 start, end; + /* output min/max values */ + __s32 min, max; +}; + enum drm_colorop_type { DRM_COLOROP_1D_CURVE, + DRM_COLOROP_1D_LUT, DRM_COLOROP_CTM_3X3, DRM_COLOROP_CTM_3X4, }; -- 2.43.0