From patchwork Thu Aug 6 16:38:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sharma, Shashank" X-Patchwork-Id: 6961211 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 314459F52D for ; Thu, 6 Aug 2015 16:31:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5ECD4206F1 for ; Thu, 6 Aug 2015 16:31:20 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id ED208206F6 for ; Thu, 6 Aug 2015 16:31:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CE72E6E85F; Thu, 6 Aug 2015 09:31:17 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 3A2E16E85F; Thu, 6 Aug 2015 09:31:17 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP; 06 Aug 2015 09:31:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,623,1432623600"; d="scan'208";a="779156702" Received: from shashanks-desktop.iind.intel.com ([10.223.26.81]) by orsmga002.jf.intel.com with ESMTP; 06 Aug 2015 09:31:12 -0700 From: Shashank Sharma To: dri-devel@lists.freedesktop.org, matthew.d.roper@intel.com, robert.bradford@intel.com, thierry.reding@gmail.com, gary.k.smith@intel.com, hverkuil@xs4all.nl, jim.bish@intel.com, intel-gfx@lists.freedesktop.org Subject: [PATCH 12/18] drm: Add structure for set/get a CTM color property Date: Thu, 6 Aug 2015 22:08:21 +0530 Message-Id: <1438879107-22819-13-git-send-email-shashank.sharma@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1438879107-22819-1-git-send-email-shashank.sharma@intel.com> References: <1438879107-22819-1-git-send-email-shashank.sharma@intel.com> Cc: annie.j.matheson@intel.com, avinash.reddy.palleti@intel.com, vijay.a.purushothaman@intel.com, kausalmalladi@gmail.com, jesse.barnes@intel.com, daniel.vetter@intel.com, kiran.s.kumar@intel.com, susanta.bhattacharjee@intel.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kausal Malladi Color Manager framework defines a color correction property for color space transformation and Gamut mapping. This property is called CTM (Color Transformation Matrix). This patch adds a new structure in DRM layer for CTM. This structure can be used by all user space agents to configure CTM coefficients for color correction. Signed-off-by: Shashank Sharma Signed-off-by: Kausal Malladi --- include/uapi/drm/drm.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index f72b916..9580772 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -867,6 +867,18 @@ struct drm_palette { struct drm_r32g32b32 lut[0]; }; +struct drm_ctm { + /* Structure version. Should be 1 currently */ + __u32 version; + /* + * Each value is in S31.32 format. + * This is 3x3 matrix in row major format. + * Integer part will be clipped to nearest + * max/min boundary as supported by the HW platform. + */ + __s64 ctm_coeff[9]; +}; + /* typedef area */ #ifndef __KERNEL__ typedef struct drm_clip_rect drm_clip_rect_t;