From patchwork Thu Jan 31 21:10:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gwan-gyeong Mun X-Patchwork-Id: 10791511 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 54EC8922 for ; Thu, 31 Jan 2019 21:11:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4CFB1319B8 for ; Thu, 31 Jan 2019 21:11:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3DEEA319B6; Thu, 31 Jan 2019 21:11:13 +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 E85CB31958 for ; Thu, 31 Jan 2019 21:10:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3C5D96E19C; Thu, 31 Jan 2019 21:10:54 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1C1516E19C for ; Thu, 31 Jan 2019 21:10:53 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 31 Jan 2019 13:10:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,546,1539673200"; d="scan'208";a="112739109" Received: from helsinki.fi.intel.com ([10.237.66.145]) by orsmga006.jf.intel.com with ESMTP; 31 Jan 2019 13:10:51 -0800 From: Gwan-gyeong Mun To: intel-gfx@lists.freedesktop.org Date: Thu, 31 Jan 2019 23:10:43 +0200 Message-Id: <20190131211046.18603-4-gwan-gyeong.mun@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190131211046.18603-1-gwan-gyeong.mun@intel.com> References: <20190131211046.18603-1-gwan-gyeong.mun@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [RFC 3/6] drm: Add a VSC structure for handling Pixel Encoding/Colorimetry Formats 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP SDP VSC Header and Data Block follow DP 1.4a spec, section 2.2.5.7.5, chapter "VSC SDP Payload for Pixel Encoding/Colorimetry Format". Signed-off-by: Gwan-gyeong Mun --- include/drm/drm_dp_helper.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 5db7fb8c8b50..6091d29757af 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1076,6 +1076,23 @@ struct edp_vsc_psr { u8 DB8_31[24]; /* Reserved */ } __packed; +struct dp_vsc_sdp { + struct dp_sdp_header sdp_header; + u8 DB0; /* Stereo Interface */ + u8 DB1; /* 0 - PSR State; 1 - Update RFB; 2 - CRC Valid */ + u8 DB2; /* CRC value bits 7:0 of the R or Cr component */ + u8 DB3; /* CRC value bits 15:8 of the R or Cr component */ + u8 DB4; /* CRC value bits 7:0 of the G or Y component */ + u8 DB5; /* CRC value bits 15:8 of the G or Y component */ + u8 DB6; /* CRC value bits 7:0 of the B or Cb component */ + u8 DB7; /* CRC value bits 15:8 of the B or Cb component */ + u8 DB8_15[8]; /* Reserved */ + u8 DB16; /* Pixel Encoding and Colorimetry Formats */ + u8 DB17; /* Dynamic Range and Component Bit Depth */ + u8 DB18; /* Content Type */ + u8 DB19_31[13]; /* Reserved */ +} __packed; + #define EDP_VSC_PSR_STATE_ACTIVE (1<<0) #define EDP_VSC_PSR_UPDATE_RFB (1<<1) #define EDP_VSC_PSR_CRC_VALUES_VALID (1<<2)