From patchwork Tue Jul 24 15:45:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10542343 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 6643F1822 for ; Tue, 24 Jul 2018 15:31:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5627528961 for ; Tue, 24 Jul 2018 15:31:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 53FDD28A0A; Tue, 24 Jul 2018 15:31:40 +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=unavailable 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 D2D0028961 for ; Tue, 24 Jul 2018 15:31:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 97FB26E5B3; Tue, 24 Jul 2018 15:31:37 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 60E2B6E5AE; Tue, 24 Jul 2018 15:31:33 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Jul 2018 08:31:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,398,1526367600"; d="scan'208";a="248489195" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.25.28]) by fmsmga006.fm.intel.com with ESMTP; 24 Jul 2018 08:31:31 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC 1/3] drm: Add colorspace property Date: Tue, 24 Jul 2018 21:15:50 +0530 Message-Id: <1532447152-23736-2-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1532447152-23736-1-git-send-email-uma.shankar@intel.com> References: <1532447152-23736-1-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 colorspace property, enabling userspace to switch to various supported colorspaces. This will help enable BT2020 along with other colorspaces. Signed-off-by: Uma Shankar --- drivers/gpu/drm/drm_atomic.c | 4 ++++ drivers/gpu/drm/drm_connector.c | 31 +++++++++++++++++++++++++++++++ include/drm/drm_connector.h | 7 +++++++ include/drm/drm_mode_config.h | 6 ++++++ include/uapi/drm/drm_mode.h | 11 +++++++++++ 5 files changed, 59 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 3eb061e..f065e6f 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1397,6 +1397,8 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, state->picture_aspect_ratio = val; } else if (property == config->content_type_property) { state->content_type = val; + } else if (property == config->colorspace_property) { + state->colorspace = val; } else if (property == connector->scaling_mode_property) { state->scaling_mode = val; } else if (property == connector->content_protection_property) { @@ -1502,6 +1504,8 @@ static void drm_atomic_connector_print_state(struct drm_printer *p, *val = state->picture_aspect_ratio; } else if (property == config->content_type_property) { *val = state->content_type; + } else if (property == config->colorspace_property) { + *val = state->colorspace; } else if (property == connector->scaling_mode_property) { *val = state->scaling_mode; } else if (property == connector->content_protection_property) { diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 5ada064..cfe1d79 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -805,6 +805,25 @@ int drm_display_info_set_bus_formats(struct drm_display_info *info, }; DRM_ENUM_NAME_FN(drm_get_content_protection_name, drm_cp_enum_list) +static const struct drm_prop_enum_list colorspace[] = { + /* Standard Definition Colorimetry based on IEC 61966-2-4 */ + { EXTENDED_COLORIMETRY_XV_YCC_601, "601" }, + /* High Definition Colorimetry based on IEC 61966-2-4 */ + { EXTENDED_COLORIMETRY_XV_YCC_709, "709" }, + /* Colorimetry based on IEC 61966-2-1/Amendment 1 */ + { EXTENDED_COLORIMETRY_S_YCC_601, "s601" }, + /* Colorimetry based on IEC 61966-2-5 [33] */ + { EXTENDED_COLORIMETRY_ADOBE_YCC_601, "adobe601" }, + /* Colorimetry based on IEC 61966-2-5 */ + { EXTENDED_COLORIMETRY_ADOBE_RGB, "adobe_rgb" }, + /* Colorimetry based on ITU-R BT.2020 */ + { EXTENDED_COLORIMETRY_BT2020_RGB, "BT2020_rgb" }, + /* Colorimetry based on ITU-R BT.2020 */ + { EXTENDED_COLORIMETRY_BT2020_YCC, "BT2020_ycc" }, + /* Colorimetry based on ITU-R BT.2020 */ + { EXTENDED_COLORIMETRY_BT2020_CYCC, "BT2020_cycc" }, +}; + /** * DOC: standard connector properties * @@ -951,6 +970,12 @@ int drm_display_info_set_bus_formats(struct drm_display_info *info, * can also expose this property to external outputs, in which case they * must support "None", which should be the default (since external screens * have a built-in scaler). + * + * colorspace: + * This property helps select a suitable colorspace based on the sink + * capability. Modern sink devices support wider gamut like BT2020. + * This helps switch to BT2020 mode if the BT2020 encoded video stream + * is being played by the user, same for any other colorspace. */ int drm_connector_create_standard_properties(struct drm_device *dev) @@ -999,6 +1024,12 @@ int drm_connector_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.non_desktop_property = prop; + prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, "Colorspace", + colorspace, ARRAY_SIZE(colorspace)); + if (!prop) + return -ENOMEM; + dev->mode_config.colorspace_property = prop; + return 0; } diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index a5179eb..306b536 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -443,6 +443,13 @@ struct drm_connector_state { unsigned int content_protection; /** + * @colorspace: Connector property to request colorspace + * change. This is most commonly used to switch to wider color + * gamuts like BT2020. + */ + enum extended_colorimetry colorspace; + + /** * @writeback_job: Writeback job for writeback connectors * * Holds the framebuffer and out-fence for a writeback connector. As diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index a0b202e..3afe30b 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -841,6 +841,12 @@ struct drm_mode_config { uint32_t cursor_width, cursor_height; /** + * @colorspace_property: Connector property to set the suitable + * colorspace supported by the sink. + */ + struct drm_property *colorspace_property; + + /** * @suspend_state: * * Atomic state when suspended. diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 8d67243..c9d14ca 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -209,6 +209,17 @@ #define DRM_MODE_CONTENT_PROTECTION_DESIRED 1 #define DRM_MODE_CONTENT_PROTECTION_ENABLED 2 +enum extended_colorimetry { + EXTENDED_COLORIMETRY_XV_YCC_601 = 0, + EXTENDED_COLORIMETRY_XV_YCC_709, + EXTENDED_COLORIMETRY_S_YCC_601, + EXTENDED_COLORIMETRY_ADOBE_YCC_601, + EXTENDED_COLORIMETRY_ADOBE_RGB, + EXTENDED_COLORIMETRY_BT2020_RGB, + EXTENDED_COLORIMETRY_BT2020_YCC, + EXTENDED_COLORIMETRY_BT2020_CYCC, +}; + struct drm_mode_modeinfo { __u32 clock; __u16 hdisplay;