From patchwork Sun Jun 11 21:10:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 9780197 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 45419602DA for ; Sun, 11 Jun 2017 21:10:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3B50228435 for ; Sun, 11 Jun 2017 21:10:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 300D72843B; Sun, 11 Jun 2017 21:10:51 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID 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 AF2E328435 for ; Sun, 11 Jun 2017 21:10:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 06ABA6E0A2; Sun, 11 Jun 2017 21:10:45 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from lelnx194.ext.ti.com (lelnx194.ext.ti.com [198.47.27.80]) by gabe.freedesktop.org (Postfix) with ESMTPS id C0AE16E09F for ; Sun, 11 Jun 2017 21:10:43 +0000 (UTC) Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelnx194.ext.ti.com (8.15.1/8.15.1) with ESMTP id v5BLAI0s000636; Sun, 11 Jun 2017 16:10:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1497215418; bh=6UzNQFo0Qo9/Gjx8QLWTWYPkGFo7zDl9I57BZTJkxZo=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=sIS3dYIYoYuCih24dQXCxyyOv9OhkHELOcLkKgv+f9fq3T+Vmp/WMcyASiWZy6nfz G0KiAGN0bjaGsLTF8GtCEkhkj7flv0hSr6C92P31cN8IUYghWqyWtHG1rNRyqBOLRo Pgp1ccUGVGbbvL8AsQ+zVILD3VAPbW84zwBm+Y78= Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v5BLAHht026267; Sun, 11 Jun 2017 16:10:18 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Sun, 11 Jun 2017 16:10:13 -0500 Received: from jadmar.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v5BLA8bN006370; Sun, 11 Jun 2017 16:10:11 -0500 From: Jyri Sarha To: Subject: [PATCH] drm: Add optional COLOR_ENCODING and COLOR_RANGE properties to drm_plane Date: Mon, 12 Jun 2017 00:10:04 +0300 Message-ID: X-Mailer: git-send-email 1.9.1 In-Reply-To: References: MIME-Version: 1.0 Cc: Liviu.Dudau@arm.com, Jyri Sarha , tomi.valkeinen@ti.com, laurent.pinchart@ideasonboard.com 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 Add a standard optional properties to support different non RGB color encodings in DRM planes. COLOR_ENCODING select the supported non RGB color encoding, for instance ITU-R BT.709 YCbCr. COLOR_RANGE selects the value ranges within the selected color encoding. The properties are stored to drm_plane object to allow different set of supported encoding for different planes on the device. Signed-off-by: Jyri Sarha --- drivers/gpu/drm/drm_atomic.c | 8 ++++ drivers/gpu/drm/drm_color_mgmt.c | 91 ++++++++++++++++++++++++++++++++++++++++ include/drm/drm_color_mgmt.h | 19 +++++++++ include/drm/drm_plane.h | 8 ++++ 4 files changed, 126 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 77dcef0..8067681 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -786,6 +786,10 @@ int drm_atomic_plane_set_property(struct drm_plane *plane, state->rotation = val; } else if (property == plane->zpos_property) { state->zpos = val; + } else if (property == plane->color_encoding_property) { + state->color_encoding = val; + } else if (property == plane->color_range_property) { + state->color_range = val; } else if (plane->funcs->atomic_set_property) { return plane->funcs->atomic_set_property(plane, state, property, val); @@ -846,6 +850,10 @@ int drm_atomic_plane_set_property(struct drm_plane *plane, *val = state->rotation; } else if (property == plane->zpos_property) { *val = state->zpos; + } else if (property == plane->color_encoding_property) { + *val = state->color_encoding; + } else if (property == plane->color_range_property) { + *val = state->color_range; } else if (plane->funcs->atomic_get_property) { return plane->funcs->atomic_get_property(plane, state, property, val); } else { diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c index 3eda500..9077bf6 100644 --- a/drivers/gpu/drm/drm_color_mgmt.c +++ b/drivers/gpu/drm/drm_color_mgmt.c @@ -88,6 +88,19 @@ * drm_mode_crtc_set_gamma_size(). Drivers which support both should use * drm_atomic_helper_legacy_gamma_set() to alias the legacy gamma ramp with the * "GAMMA_LUT" property above. + * + * Support for different non RGB color encodings is controlled through + * &drm_plane specific COLOR_ENCODING and COLOR_RANGE properties: + * + * "COLOR_ENCODING" + * Optional plane enum property to support different non RGB + * color encodings. The driver can provide a subset of standard + * enum values supported by the DRM plane. + * + * "COLOR_RANGE" + * Optional plane enum property to support different non RGB + * color parameter ranges. The driver can provide a subset of + * standard enum values supported by the DRM plane. */ /** @@ -336,3 +349,81 @@ int drm_mode_gamma_get_ioctl(struct drm_device *dev, drm_modeset_unlock(&crtc->mutex); return ret; } + +static const char * const color_encoding_name[] = { + [DRM_COLOR_YCBCR_BT601] = "ITU-R BT.601 YCbCr", + [DRM_COLOR_YCBCR_BT709] = "ITU-R BT.709 YCbCr", + [DRM_COLOR_YCBCR_BT2020] = "ITU-R BT.2020 YCbCr", +}; + +static const char * const color_range_name[] = { + [DRM_COLOR_YCBCR_FULL_RANGE] = "YCbCr full range", + [DRM_COLOR_YCBCR_LIMITED_RANGE] = "YCbCr limited range", +}; + +/** + * drm_plane_create_color_properties - color encoding related plane properties + * @supported_encodings: bitfield indicating supported color encodings + * @supported_ranges: bitfileld indicating supported color ranges + * @default_encoding: default color encoding + * @default_range: default color range + * + * Create and attach plane specific COLOR_ENCODING and COLOR_RANGE + * properties to to the drm_plane object. The supported encodings and + * ranges should be provided in supported_encodings and + * supported_ranges bitmasks. Each bit set in the bitmask indicates + * the its number as enum value being supported. + */ +int drm_plane_create_color_properties(struct drm_plane *plane, + u32 supported_encodings, + u32 supported_ranges, + enum drm_color_encoding default_encoding, + enum drm_color_range default_range) +{ + struct drm_device *dev = plane->dev; + struct drm_property *prop; + struct drm_prop_enum_list enum_list[max(DRM_COLOR_ENCODING_MAX, + DRM_COLOR_RANGE_MAX)]; + int i, len; + + len = 0; + for (i = 0; i < DRM_COLOR_ENCODING_MAX; i++) { + if ((supported_encodings & BIT(i)) == 0) + continue; + + enum_list[len].type = i; + enum_list[len].name = color_encoding_name[i]; + len++; + } + + prop = drm_property_create_enum(dev, 0, "COLOR_ENCODING", + enum_list, len); + if (!prop) + return -ENOMEM; + plane->color_encoding_property = prop; + drm_object_attach_property(&plane->base, prop, default_encoding); + if (plane->state) + plane->state->color_encoding = default_encoding; + + len = 0; + for (i = 0; i < DRM_COLOR_RANGE_MAX; i++) { + if ((supported_ranges & BIT(i)) == 0) + continue; + + enum_list[len].type = i; + enum_list[len].name = color_range_name[i]; + len++; + } + + prop = drm_property_create_enum(dev, 0, "COLOR_RANGE", + enum_list, len); + if (!prop) + return -ENOMEM; + plane->color_range_property = prop; + drm_object_attach_property(&plane->base, prop, default_range); + if (plane->state) + plane->state->color_range = default_range; + + return 0; +} +EXPORT_SYMBOL(drm_plane_create_color_properties); diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h index 03a59cb..b3b6d30 100644 --- a/include/drm/drm_color_mgmt.h +++ b/include/drm/drm_color_mgmt.h @@ -26,6 +26,7 @@ #include struct drm_crtc; +struct drm_plane; uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision); @@ -37,4 +38,22 @@ void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc, int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, int gamma_size); +enum drm_color_encoding { + DRM_COLOR_YCBCR_BT601, + DRM_COLOR_YCBCR_BT709, + DRM_COLOR_YCBCR_BT2020, + DRM_COLOR_ENCODING_MAX, +}; + +enum drm_color_range { + DRM_COLOR_YCBCR_LIMITED_RANGE, + DRM_COLOR_YCBCR_FULL_RANGE, + DRM_COLOR_RANGE_MAX, +}; + +int drm_plane_create_color_properties(struct drm_plane *plane, + u32 supported_encodings, + u32 supported_ranges, + enum drm_color_encoding default_encoding, + enum drm_color_range default_range); #endif diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 9ab3e70..f4de5f9 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -26,6 +26,7 @@ #include #include #include +#include struct drm_crtc; struct drm_printer; @@ -112,6 +113,10 @@ struct drm_plane_state { unsigned int zpos; unsigned int normalized_zpos; + /* Color encoding for non RGB formats */ + enum drm_color_encoding color_encoding; + enum drm_color_range color_range; + /* Clipped coordinates */ struct drm_rect src, dst; @@ -523,6 +528,9 @@ struct drm_plane { struct drm_property *zpos_property; struct drm_property *rotation_property; + + struct drm_property *color_encoding_property; + struct drm_property *color_range_property; }; #define obj_to_plane(x) container_of(x, struct drm_plane, base)