From patchwork Sun Sep 16 08:15:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10601809 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 3C76D14DB for ; Sun, 16 Sep 2018 17:46:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C6F729400 for ; Sun, 16 Sep 2018 17:46:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 207E2296BE; Sun, 16 Sep 2018 17:46:25 +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 D052529400 for ; Sun, 16 Sep 2018 17:46:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ECAD66E258; Sun, 16 Sep 2018 17:43:21 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 31D9E6E007; Sun, 16 Sep 2018 07:57:37 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Sep 2018 00:57:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,380,1531810800"; d="scan'208";a="71216196" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.25.28]) by fmsmga008.fm.intel.com with ESMTP; 16 Sep 2018 00:56:59 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC v5 5/8] drm: Define helper function for plane color enabling Date: Sun, 16 Sep 2018 13:45:28 +0530 Message-Id: <1537085731-6355-6-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1537085731-6355-1-git-send-email-uma.shankar@intel.com> References: <1537085731-6355-1-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, alexandru-cosmin.gheorghe@arm.com, emil.l.velikov@gmail.com, Uma Shankar , seanpaul@chromium.org, 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. v4: Rebase v5: Moved helper function to drm_color_mgmt.c file to have all color operations consolidated at one place. No logical change. Signed-off-by: Uma Shankar Reviewed-by: Alexandru Gheorghe --- drivers/gpu/drm/drm_color_mgmt.c | 42 ++++++++++++++++++++++++++++++++++++++++ include/drm/drm_color_mgmt.h | 5 +++++ 2 files changed, 47 insertions(+) diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c index 5155add..82e0bd1 100644 --- a/drivers/gpu/drm/drm_color_mgmt.c +++ b/drivers/gpu/drm/drm_color_mgmt.c @@ -493,6 +493,48 @@ int drm_plane_create_color_properties(struct drm_plane *plane, EXPORT_SYMBOL(drm_plane_create_color_properties); /** + * 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); + +/** * DOC: Plane Color Properties * * Plane Color management or color space adjustments is supported diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h index 78b5a37..ce5969a 100644 --- a/include/drm/drm_color_mgmt.h +++ b/include/drm/drm_color_mgmt.h @@ -69,4 +69,9 @@ 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