From patchwork Fri Mar 9 18:17:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10271541 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 E9B6D6016D for ; Fri, 9 Mar 2018 18:06:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DBCD129C45 for ; Fri, 9 Mar 2018 18:06:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D08BA29C4D; Fri, 9 Mar 2018 18:06:22 +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=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 94DD329C45 for ; Fri, 9 Mar 2018 18:06:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2942C6EC1B; Fri, 9 Mar 2018 18:06:02 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 67EE96EC13; Fri, 9 Mar 2018 18:05:59 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Mar 2018 10:05:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,446,1515484800"; d="scan'208";a="36866500" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.25.49]) by fmsmga001.fm.intel.com with ESMTP; 09 Mar 2018 10:05:56 -0800 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC v3 5/8] drm: Define helper function for plane color enabling Date: Fri, 9 Mar 2018 23:47:46 +0530 Message-Id: <1520619470-24764-6-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1520619470-24764-1-git-send-email-uma.shankar@intel.com> References: <1520619470-24764-1-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: dcastagna@chromium.org, emil.l.velikov@gmail.com, 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 Define helper function to enable Plane color features to attach plane color properties to plane structure. v2: Rebase v3: Modiefied the function to use updated property names. Signed-off-by: Uma Shankar --- drivers/gpu/drm/drm_plane.c | 42 ++++++++++++++++++++++++++++++++++++++++++ include/drm/drm_color_mgmt.h | 5 +++++ 2 files changed, 47 insertions(+) diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index b837020..bbf55c5 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -144,6 +144,48 @@ static int create_in_format_blob(struct drm_device *dev, struct drm_plane *plane } /** + * drm_plane_enable_color_mgmt - enable color management properties + * @plane: DRM Plane + * @plane_degamma_lut_size: the size of the degamma lut (before CSC) + * @plane_has_ctm: whether to attach ctm_property for CSC matrix + * @plane_gamma_lut_size: the size of the gamma lut (after CSC) + * + * This function lets the driver enable the color correction + * properties on a plane. This includes 3 degamma, csc and gamma + * properties that userspace can set and 2 size properties to inform + * the userspace of the lut sizes. Each of the properties are + * optional. The gamma and degamma properties are only attached if + * their size is not 0 and ctm_property is only attached if has_ctm is + * true. + */ +void drm_plane_enable_color_mgmt(struct drm_plane *plane, + uint plane_degamma_lut_size, + bool plane_has_ctm, + uint plane_gamma_lut_size) +{ + if (plane_degamma_lut_size) { + drm_object_attach_property(&plane->base, + plane->degamma_lut_property, 0); + drm_object_attach_property(&plane->base, + plane->degamma_lut_size_property, + plane_degamma_lut_size); + } + + if (plane_has_ctm) + drm_object_attach_property(&plane->base, + plane->ctm_property, 0); + + if (plane_gamma_lut_size) { + drm_object_attach_property(&plane->base, + plane->gamma_lut_property, 0); + drm_object_attach_property(&plane->base, + plane->gamma_lut_size_property, + plane_gamma_lut_size); + } +} +EXPORT_SYMBOL(drm_plane_enable_color_mgmt); + +/** * drm_universal_plane_init - Initialize a new universal plane object * @dev: DRM device * @plane: plane object to init diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h index b3b6d30..e220019 100644 --- a/include/drm/drm_color_mgmt.h +++ b/include/drm/drm_color_mgmt.h @@ -56,4 +56,9 @@ int drm_plane_create_color_properties(struct drm_plane *plane, u32 supported_ranges, enum drm_color_encoding default_encoding, enum drm_color_range default_range); + +void drm_plane_enable_color_mgmt(struct drm_plane *plane, + uint plane_degamma_lut_size, + bool plane_has_ctm, + uint plane_gamma_lut_size); #endif