From patchwork Wed Jun 14 17:47:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Sharma, Shashank" X-Patchwork-Id: 9787139 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4655960325 for ; Wed, 14 Jun 2017 17:45:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3118D2625B for ; Wed, 14 Jun 2017 17:45:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2609A26E69; Wed, 14 Jun 2017 17:45:22 +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=-4.2 required=2.0 tests=BAYES_00, 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 CCB5A2625B for ; Wed, 14 Jun 2017 17:45:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 02AD96E5C7; Wed, 14 Jun 2017 17:45:06 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5B7E26E5C2; Wed, 14 Jun 2017 17:45:01 +0000 (UTC) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jun 2017 10:44:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,341,1493708400"; d="scan'208";a="274287792" Received: from shashanks-linuxbox.iind.intel.com ([10.223.161.29]) by fmsmga004.fm.intel.com with ESMTP; 14 Jun 2017 10:44:50 -0700 From: Shashank Sharma To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, ville.syrjala@linux.intel.com Subject: [PATCH v3 05/14] drm: parse ycbcr 420 deep color information Date: Wed, 14 Jun 2017 23:17:36 +0530 Message-Id: <1497462465-14066-6-git-send-email-shashank.sharma@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1497462465-14066-1-git-send-email-shashank.sharma@intel.com> References: <1497462465-14066-1-git-send-email-shashank.sharma@intel.com> MIME-Version: 1.0 Cc: ander.conselvan.de.oliveira@intel.com, Jose Abreu 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP CEA-861-F spec adds ycbcr420 deep color support information in hf-vsdb block. This patch extends the existing hf-vsdb parsing function by adding parsing of ycbcr420 deep color support from the EDID and adding it into display information stored. V2: Rebase V3: Rebase Cc: Ville Syrjälä Cc: Jose Abreu Signed-off-by: Shashank Sharma --- drivers/gpu/drm/drm_edid.c | 15 +++++++++++++++ include/drm/drm_edid.h | 5 +++++ 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 4953f87..0f542f3 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4213,6 +4213,19 @@ drm_default_rgb_quant_range(const struct drm_display_mode *mode) } EXPORT_SYMBOL(drm_default_rgb_quant_range); +static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector, + const u8 *db) +{ + struct drm_hdmi_info *info = &connector->display_info.hdmi; + + if (db[7] & DRM_EDID_YCBCR420_DC_48) + info->ycbcr420_dc_modes |= DRM_EDID_YCBCR420_DC_48; + if (db[7] & DRM_EDID_YCBCR420_DC_36) + info->ycbcr420_dc_modes |= DRM_EDID_YCBCR420_DC_36; + if (db[7] & DRM_EDID_YCBCR420_DC_30) + info->ycbcr420_dc_modes |= DRM_EDID_YCBCR420_DC_30; +} + static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, const u8 *hf_vsdb) { @@ -4253,6 +4266,8 @@ static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, scdc->scrambling.low_rates = true; } } + + drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb); } static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector, diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 89c0062..d4ff17c 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -213,6 +213,11 @@ struct detailed_timing { #define DRM_EDID_HDMI_DC_30 (1 << 4) #define DRM_EDID_HDMI_DC_Y444 (1 << 3) +/* YCBCR 420 deep color modes */ +#define DRM_EDID_YCBCR420_DC_48 (1 << 6) +#define DRM_EDID_YCBCR420_DC_36 (1 << 5) +#define DRM_EDID_YCBCR420_DC_30 (1 << 4) + /* ELD Header Block */ #define DRM_ELD_HEADER_BLOCK_SIZE 4