From patchwork Thu May 9 15:25:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10937267 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A9A961390 for ; Thu, 9 May 2019 14:58:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A96728A03 for ; Thu, 9 May 2019 14:58:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8E92728A2A; Thu, 9 May 2019 14:58:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2520028A03 for ; Thu, 9 May 2019 14:58:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A09DC89D49; Thu, 9 May 2019 14:58:19 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id E6DB989D46 for ; Thu, 9 May 2019 14:58:17 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 May 2019 07:58:17 -0700 X-ExtLoop1: 1 Received: from linuxpresi1-desktop.iind.intel.com ([10.223.74.121]) by orsmga002.jf.intel.com with ESMTP; 09 May 2019 07:58:15 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org Date: Thu, 9 May 2019 20:55:10 +0530 Message-Id: <1557415510-2365-1-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 Subject: [Intel-gfx] [v2] drm/i915/icl: Handle YCbCr to RGB conversion for BT2020 case X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ville.syrjala@intel.com, maarten.lankhorst@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Currently input csc for YCbCR to RGB conversion handles only BT601 and Bt709. Extending it to support BT2020 as well. v2: Fixed the co-efficients for LR to FR conversion, as suggested by Ville. Signed-off-by: Uma Shankar Signed-off-by: Shashank Sharma --- drivers/gpu/drm/i915/intel_sprite.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 2913e89..4f513600 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -433,6 +433,18 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) 0x9EF8, 0x7800, 0xABF8, 0x0, 0x7800, 0x7ED8, }, + /* + * BT.2020 full range YCbCr -> full range RGB + * The matrix required is : + * [1.000, 0.000, 1.474, + * 1.000, -0.1645, -0.5713, + * 1.000, 1.8814, 0.0000] + */ + [DRM_COLOR_YCBCR_BT2020] = { + 0x7BC8, 0x7800, 0x0, + 0x8928, 0x7800, 0xAA88, + 0x0, 0x7800, 0x7F10, + }, }; /* Matrix for Limited Range to Full Range Conversion */ @@ -461,6 +473,18 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) 0x8888, 0x7918, 0xADA8, 0x0, 0x7918, 0x6870, }, + /* + * BT.2020 Limited range YCbCr -> full range RGB + * The matrix required is : + * [1.164, 0.000, 1.678, + * 1.164, -0.1873, -0.6504, + * 1.164, 2.1417, 0.0000] + */ + [DRM_COLOR_YCBCR_BT2020] = { + 0x7D70, 0x7950, 0x0, + 0x8A68, 0x7950, 0xAC00, + 0x0, 0x7950, 0x6890, + }, }; const u16 *csc;