From patchwork Fri Sep 25 12:13:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 11799631 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BDD6492C for ; Fri, 25 Sep 2020 12:21:11 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8DEAA221EC for ; Fri, 25 Sep 2020 12:21:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8DEAA221EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7B1546ECB7; Fri, 25 Sep 2020 12:21:05 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4FA266ECB5; Fri, 25 Sep 2020 12:21:02 +0000 (UTC) IronPort-SDR: lizOfRQqj72pgwtVrSrz8L3xiB0fWvcKZCh+nFo1dH1f+i/pdiz+xW95VyPXXQ+/0wXnRiq5+Z agURt4NpgAlg== X-IronPort-AV: E=McAfee;i="6000,8403,9754"; a="149163864" X-IronPort-AV: E=Sophos;i="5.77,301,1596524400"; d="scan'208";a="149163864" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Sep 2020 05:21:02 -0700 IronPort-SDR: vHJztOwwStJQ2w8ZPeVX18qfZGF0wwJphpkwM3OLvZRmSZBDkd9z3NnzjnIjGARVs8W6NXUTcb qSLWrT5Ydf2g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,301,1596524400"; d="scan'208";a="383460357" Received: from unknown (HELO linux-akn.iind.intel.com) ([10.223.34.148]) by orsmga001.jf.intel.com with ESMTP; 25 Sep 2020 05:21:00 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Subject: [RFC 1/7] drm/edid: Add additional HFVSDB fields for HDMI2.1 Date: Fri, 25 Sep 2020 17:43:34 +0530 Message-Id: <20200925121340.29497-2-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200925121340.29497-1-ankit.k.nautiyal@intel.com> References: <20200925121340.29497-1-ankit.k.nautiyal@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vandita.kulkarni@intel.com, uma.shankar@intel.com, dri-devel@lists.freedesktop.org, swati2.sharma@intel.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Swati Sharma The HDMI2.1 extends HFVSBD (HDMI Forum Vendor Specific Data block) to have fields related to newly defined methods of FRL (Fixed Rate Link) levels, number of lanes supported, DSC Color bit depth, VRR min/max, FVA (Fast Vactive), ALLM etc. This patch adds the new HFVSDB fields that are required for HDMI2.1. Signed-off-by: Sharma, Swati2 Signed-off-by: Ankit Nautiyal --- include/drm/drm_edid.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index b27a0e2169c8..3b6371f36676 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -229,6 +229,36 @@ struct detailed_timing { DRM_EDID_YCBCR420_DC_36 | \ DRM_EDID_YCBCR420_DC_30) +/* HDMI 2.1 additional fields */ +#define DRM_EDID_MAX_FRL_RATE_MASK 0xf0 +#define DRM_EDID_FAPA_START_LOCATION (1 << 0) +#define DRM_EDID_ALLM (1 << 1) +#define DRM_EDID_FVA (1 << 2) + +/* Deep Color specific */ +#define DRM_EDID_DC_30BIT_420 (1 << 0) +#define DRM_EDID_DC_36BIT_420 (1 << 1) +#define DRM_EDID_DC_48BIT_420 (1 << 2) + +/* VRR specific */ +#define DRM_EDID_CNMVRR (1 << 3) +#define DRM_EDID_CINEMA_VRR (1 << 4) +#define DRM_EDID_MDELTA (1 << 5) +#define DRM_EDID_VRR_MAX_UPPER_MASK 0xc0 +#define DRM_EDID_VRR_MAX_LOWER_MASK 0xff +#define DRM_EDID_VRR_MIN_MASK 0x3f + +/* DSC specific */ +#define DRM_EDID_DSC_10 (1 << 0) +#define DRM_EDID_DSC_12 (1 << 1) +#define DRM_EDID_DSC_16 (1 << 2) +#define DRM_EDID_DSC_ALL (1 << 3) +#define DRM_EDID_DSC_NATIVE_420 (1 << 6) +#define DRM_EDID_1P2 (1 << 7) +#define DRM_EDID_DSC_MAX_FRL_RATE 0xf +#define DRM_EDID_DSC_MAX_SLICES 0xf +#define DRM_EDID_DSC_TOTAL_CHUNK_KBYTES 0x3f + /* ELD Header Block */ #define DRM_ELD_HEADER_BLOCK_SIZE 4