From patchwork Tue Sep 26 08:02:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uma Shankar X-Patchwork-Id: 9971325 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 2831660365 for ; Tue, 26 Sep 2017 07:31:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1A0FD28DCD for ; Tue, 26 Sep 2017 07:31:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 18B2B28F55; Tue, 26 Sep 2017 07:31:11 +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=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 6F94628F46 for ; Tue, 26 Sep 2017 07:30:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB9696E3F2; Tue, 26 Sep 2017 07:30:51 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id F2D666E3F9; Tue, 26 Sep 2017 07:30:50 +0000 (UTC) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Sep 2017 00:30:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.42,440,1500966000"; d="scan'208"; a="1175838191" Received: from ubuntu-tc11.iind.intel.com ([10.223.25.173]) by orsmga001.jf.intel.com with ESMTP; 26 Sep 2017 00:30:43 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC v1 3/6] drm: Add Plane Gamma properties Date: Tue, 26 Sep 2017 13:32:55 +0530 Message-Id: <1506412979-22028-4-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1506412979-22028-1-git-send-email-uma.shankar@intel.com> References: <1506412979-22028-1-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. 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 ba88f50..f5c7188 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -777,6 +777,12 @@ 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; } @@ -840,6 +846,8 @@ 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 c6d08d3..3bf39a5 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3391,6 +3391,8 @@ 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); @@ -3439,6 +3441,7 @@ 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 98068c5..c8f6b49 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -365,6 +365,20 @@ 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 2bee0b5..f509b06 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -746,6 +746,17 @@ 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 8478d5f..172d0c1 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. *