From patchwork Tue May 30 12:13:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Sharma, Shashank" X-Patchwork-Id: 9754415 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 0DD6C602F0 for ; Tue, 30 May 2017 12:11:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0081D28455 for ; Tue, 30 May 2017 12:11:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E97AC2847A; Tue, 30 May 2017 12:11:05 +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 A266028455 for ; Tue, 30 May 2017 12:11:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D918089E9B; Tue, 30 May 2017 12:10:53 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5A2D989E5B; Tue, 30 May 2017 12:10:50 +0000 (UTC) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 May 2017 05:10:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.38,418,1491289200"; d="scan'208"; a="1154430309" Received: from shashanks-linuxbox.iind.intel.com ([10.223.161.29]) by fmsmga001.fm.intel.com with ESMTP; 30 May 2017 05:10:47 -0700 From: Shashank Sharma To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Tue, 30 May 2017 17:43:43 +0530 Message-Id: <1496146430-11430-5-git-send-email-shashank.sharma@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496146430-11430-1-git-send-email-shashank.sharma@intel.com> References: <1496146430-11430-1-git-send-email-shashank.sharma@intel.com> MIME-Version: 1.0 Cc: Jose Abreu Subject: [Intel-gfx] [PATCH v2 04/11] drm: parse ycbcr 420 deep color information X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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 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. Cc: Ville Syrjälä Cc: Jose Abreu Signed-off-by: Shashank Sharma --- drivers/gpu/drm/drm_edid.c | 15 +++++++++++++++ include/drm/drm_connector.h | 3 +++ include/drm/drm_edid.h | 5 +++++ 3 files changed, 23 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index ce86528..50fa96e 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4142,6 +4142,19 @@ 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) { @@ -4182,6 +4195,8 @@ 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_connector.h b/include/drm/drm_connector.h index 07b10ab..49cc38c 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -148,6 +148,9 @@ struct drm_hdmi_info { /** @ycbcr420_vcb_map: bitmap of SVD index, to extraxt vcb modes */ u64 ycbcr420_vcb_map; + + /** @ycbcr420_dc_modes: bitmap of deep color support index */ + u8 ycbcr420_dc_modes; }; /** diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index c07eb81..a4d174e7 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