From patchwork Tue Nov 7 12:06:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10046525 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 4D15860360 for ; Tue, 7 Nov 2017 11:36:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 36A192A12B for ; Tue, 7 Nov 2017 11:36:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0558C2A183; Tue, 7 Nov 2017 11:36:52 +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 B2B932A151 for ; Tue, 7 Nov 2017 11:36:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E87396E456; Tue, 7 Nov 2017 11:36:11 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0D4E06E44F; Tue, 7 Nov 2017 11:36:11 +0000 (UTC) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP; 07 Nov 2017 03:36:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,358,1505804400"; d="scan'208";a="146850140" Received: from ubuntu-tc11.iind.intel.com ([10.223.25.173]) by orsmga004.jf.intel.com with ESMTP; 07 Nov 2017 03:36:08 -0800 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC 3/7] drm: Add Plane Gamma properties Date: Tue, 7 Nov 2017 17:36:27 +0530 Message-Id: <1510056391-9684-4-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1510056391-9684-1-git-send-email-uma.shankar@intel.com> References: <1510056391-9684-1-git-send-email-uma.shankar@intel.com> Cc: Uma Shankar , ville.syrjala@intel.com, maarten.lankhorst@intel.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: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add plane gamma as blob property and size as a range property. v2: Rebase Signed-off-by: Uma Shankar --- drivers/gpu/drm/drm_atomic.c | 8 ++++++++ drivers/gpu/drm/drm_atomic_helper.c | 3 +++ drivers/gpu/drm/drm_mode_config.c | 14 ++++++++++++++ include/drm/drm_mode_config.h | 11 +++++++++++ include/drm/drm_plane.h | 9 +++++++++ 5 files changed, 45 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 45aede5..41946d2 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -774,6 +774,12 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, &replaced); state->color_mgmt_changed |= replaced; return ret; + } else if (property == config->plane_gamma_lut_property) { + ret = drm_atomic_replace_property_blob_from_id(dev, + &state->gamma_lut, + val, -1, &replaced); + state->color_mgmt_changed |= replaced; + return ret; } else { return -EINVAL; } @@ -837,6 +843,8 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, state->degamma_lut->base.id : 0; } else if (property == config->plane_ctm_property) { *val = (state->ctm) ? state->ctm->base.id : 0; + } else if (property == config->plane_gamma_lut_property) { + *val = (state->gamma_lut) ? state->gamma_lut->base.id : 0; } else { return -EINVAL; } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index d3154e0..1d2566d 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3400,6 +3400,8 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, drm_property_blob_get(state->degamma_lut); if (state->ctm) drm_property_blob_get(state->ctm); + if (state->gamma_lut) + drm_property_blob_get(state->gamma_lut); state->color_mgmt_changed = false; } EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state); @@ -3448,6 +3450,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state) drm_property_blob_put(state->degamma_lut); drm_property_blob_put(state->ctm); + drm_property_blob_put(state->gamma_lut); } EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state); diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index bccc70e..94c4420 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -369,6 +369,20 @@ static int drm_mode_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.plane_ctm_property = prop; + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "PLANE_GAMMA_LUT", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.plane_gamma_lut_property = prop; + + prop = drm_property_create_range(dev, + DRM_MODE_PROP_IMMUTABLE, + "PLANE_GAMMA_LUT_SIZE", 0, UINT_MAX); + if (!prop) + return -ENOMEM; + dev->mode_config.plane_gamma_lut_size_property = prop; + return 0; } diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 3bf7fc6..e55aaed 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -733,6 +733,17 @@ struct drm_mode_config { * degamma LUT. */ struct drm_property *plane_ctm_property; + /** + * @plane_gamma_lut_property: Optional Plane property to set the LUT + * used to convert the colors, after the CTM matrix, to the common + * gamma space chosen for blending. + */ + struct drm_property *plane_gamma_lut_property; + /** + * @plane_gamma_lut_size_property: Optional Plane property for the size + * of the gamma LUT as supported by the driver (read-only). + */ + struct drm_property *plane_gamma_lut_size_property; /** * @suggested_x_property: Optional connector property with a hint for diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 7fcc51e..01d9ea7 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -140,6 +140,15 @@ struct drm_plane_state { struct drm_property_blob *ctm; /** + * @gamma_lut: + * + * Lookup table for converting pixel data after the color conversion + * matrix @ctm. See drm_plane_enable_color_mgmt(). The blob (if not + * NULL) is an array of &struct drm_color_lut. + */ + struct drm_property_blob *gamma_lut; + + /** * @commit: Tracks the pending commit to prevent use-after-free conditions, * and for async plane updates. *