From patchwork Tue Dec 11 22:35:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10724869 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 980DB112E for ; Tue, 11 Dec 2018 22:13:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88C8F2B6A6 for ; Tue, 11 Dec 2018 22:13:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7A1AE2B7A5; Tue, 11 Dec 2018 22:13:39 +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 1DD872B6A6 for ; Tue, 11 Dec 2018 22:13:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CE16589D57; Tue, 11 Dec 2018 22:13:35 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4644789D86; Tue, 11 Dec 2018 22:13:34 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2018 14:13:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,343,1539673200"; d="scan'208";a="117995881" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.25.28]) by orsmga001.jf.intel.com with ESMTP; 11 Dec 2018 14:13:31 -0800 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [v3 01/14] drm: Add HDR source metadata property Date: Wed, 12 Dec 2018 04:05:06 +0530 Message-Id: <1544567719-15745-2-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1544567719-15745-1-git-send-email-uma.shankar@intel.com> References: <1544567719-15745-1-git-send-email-uma.shankar@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Uma Shankar , ville.syrjala@intel.com, maarten.lankhorst@intel.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch adds a blob property to get HDR metadata information from userspace. This will be send as part of AVI Infoframe to panel. v2: Rebase and modified the metadata structure elements as per Ville's POC changes. Signed-off-by: Uma Shankar --- drivers/gpu/drm/drm_connector.c | 6 ++++++ include/drm/drm_connector.h | 10 ++++++++++ include/drm/drm_mode_config.h | 6 ++++++ include/linux/hdmi.h | 10 ++++++++++ include/uapi/drm/drm_mode.h | 16 ++++++++++++++++ 5 files changed, 48 insertions(+) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index da8ae80..361fcda 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1027,6 +1027,12 @@ int drm_connector_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.non_desktop_property = prop; + prop = drm_property_create(dev, DRM_MODE_PROP_BLOB, + "HDR_SOURCE_METADATA", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.hdr_source_metadata_property = prop; + return 0; } diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 9be2181..2ee45dc 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -520,6 +520,13 @@ struct drm_connector_state { * and the connector bpc limitations obtained from edid. */ u8 max_bpc; + + /** + * @metadata_blob_ptr: + * DRM blob property for HDR metadata + */ + struct drm_property_blob *hdr_source_metadata_blob_ptr; + u8 hdr_metadata_changed : 1; }; /** @@ -1154,6 +1161,9 @@ struct drm_connector { * &drm_mode_config.connector_free_work. */ struct llist_node free_node; + + /* HDR metdata */ + struct hdr_static_metadata hdr_metadata; }; #define obj_to_connector(x) container_of(x, struct drm_connector, base) diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 69ccd27..4b3211b 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -836,6 +836,12 @@ struct drm_mode_config { */ struct drm_property *writeback_out_fence_ptr_property; + /* + * hdr_metadata_property: Connector property containing hdr metatda + * This will be provided by userspace compositors based on HDR content + */ + struct drm_property *hdr_source_metadata_property; + /* dumb ioctl parameters */ uint32_t preferred_depth, prefer_shadow; diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h index d2bacf5..bed3e08 100644 --- a/include/linux/hdmi.h +++ b/include/linux/hdmi.h @@ -137,6 +137,16 @@ enum hdmi_content_type { HDMI_CONTENT_TYPE_GAME, }; +enum hdmi_metadata_type { + HDMI_STATIC_METADATA_TYPE1 = 1, +}; + +enum hdmi_eotf { + HDMI_EOTF_TRADITIONAL_GAMMA_SDR, + HDMI_EOTF_TRADITIONAL_GAMMA_HDR, + HDMI_EOTF_SMPTE_ST2084, +}; + struct hdmi_avi_infoframe { enum hdmi_infoframe_type type; unsigned char version; diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index a439c2e..5012af2 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -630,6 +630,22 @@ struct drm_color_lut { __u16 reserved; }; +/* HDR Metadata */ +struct hdr_static_metadata { + uint8_t eotf; + uint8_t metadata_type; + struct { + uint16_t x, y; + } display_primaries[3]; + struct { + uint16_t x, y; + } white_point; + uint16_t max_mastering_display_luminance; + uint16_t min_mastering_display_luminance; + uint16_t max_fall; + uint16_t max_cll; +}; + #define DRM_MODE_PAGE_FLIP_EVENT 0x01 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4