From patchwork Tue Jun 1 10:52:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 12291039 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93CBCC47080 for ; Tue, 1 Jun 2021 10:16:41 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6078860FD8 for ; Tue, 1 Jun 2021 10:16:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6078860FD8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6E1536EA07; Tue, 1 Jun 2021 10:16:37 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5C0356EA06; Tue, 1 Jun 2021 10:16:36 +0000 (UTC) IronPort-SDR: JWu8HlbaV7utNd5cqB+NrS5Vs7Qd4KaH9kw42GO5DjNqUC4W8KWjjHelMuSs+EOUa9PG3hiKJ8 bj5gUvv5Lz+A== X-IronPort-AV: E=McAfee;i="6200,9189,10001"; a="203550049" X-IronPort-AV: E=Sophos;i="5.83,239,1616482800"; d="scan'208";a="203550049" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jun 2021 03:16:35 -0700 IronPort-SDR: asM4Jj+EGZuqvC/e0kBgQcJcyWtlbINVqHRkxR5AV5Kj6RdqDpLh1CdE5dtQp5B9s2oWGJBMzJ TK1LP/N4Ftbw== X-IronPort-AV: E=Sophos;i="5.83,239,1616482800"; d="scan'208";a="482431383" Received: from linux-desktop.iind.intel.com ([10.223.34.178]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jun 2021 03:16:33 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Tue, 1 Jun 2021 16:22:14 +0530 Message-Id: <20210601105218.29185-18-uma.shankar@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210601105218.29185-1-uma.shankar@intel.com> References: <20210601105218.29185-1-uma.shankar@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 17/21] drm: Add Plane Gamma Lut property X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add Plane Gamma Lut as a blob property. Signed-off-by: Uma Shankar --- drivers/gpu/drm/drm_atomic_state_helper.c | 3 +++ drivers/gpu/drm/drm_atomic_uapi.c | 10 ++++++++++ drivers/gpu/drm/drm_color_mgmt.c | 18 ++++++++++++++++++ include/drm/drm_plane.h | 14 ++++++++++++++ 4 files changed, 45 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index fafb8af1c9cb..7ddf6e4b956b 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -316,6 +316,8 @@ 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; } @@ -366,6 +368,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state) drm_property_blob_put(state->fb_damage_clips); 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_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 6e3958491d10..4f5b7f76208d 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -614,6 +614,13 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, return ret; } else if (property == plane->gamma_mode_property) { state->gamma_mode = val; + } else if (property == plane->gamma_lut_property) { + ret = drm_atomic_replace_property_blob_from_id(dev, + &state->gamma_lut, + val, -1, sizeof(struct drm_color_lut_ext), + &replaced); + state->color_mgmt_changed |= replaced; + return ret; } else if (property == config->prop_fb_damage_clips) { ret = drm_atomic_replace_property_blob_from_id(dev, &state->fb_damage_clips, @@ -689,6 +696,9 @@ drm_atomic_plane_get_property(struct drm_plane *plane, *val = (state->ctm) ? state->ctm->base.id : 0; } else if (property == plane->gamma_mode_property) { *val = state->gamma_mode; + } else if (property == plane->gamma_lut_property) { + *val = (state->gamma_lut) ? + state->gamma_lut->base.id : 0; } else if (property == config->prop_fb_damage_clips) { *val = (state->fb_damage_clips) ? state->fb_damage_clips->base.id : 0; diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c index 02367e691cf3..b5b3ff7f654d 100644 --- a/drivers/gpu/drm/drm_color_mgmt.c +++ b/drivers/gpu/drm/drm_color_mgmt.c @@ -613,6 +613,11 @@ EXPORT_SYMBOL(drm_plane_create_color_properties); * to query and get the plane gamma color caps and choose the * appropriate gamma mode and create lut values accordingly * + * gamma_lut_property: + * Blob property which allows a userspace to provide LUT values + * to apply gamma curve using the h/w plane degamma processing + * engine, thereby making the content as non-linear. + * */ int drm_plane_create_color_mgmt_properties(struct drm_device *dev, struct drm_plane *plane, @@ -648,6 +653,13 @@ int drm_plane_create_color_mgmt_properties(struct drm_device *dev, plane->gamma_mode_property = prop; + prop = drm_property_create(dev, DRM_MODE_PROP_BLOB, + "PLANE_GAMMA_LUT", 0); + if (!prop) + return -ENOMEM; + + plane->gamma_lut_property = prop; + return 0; } EXPORT_SYMBOL(drm_plane_create_color_mgmt_properties); @@ -685,6 +697,12 @@ void drm_plane_attach_gamma_properties(struct drm_plane *plane) drm_object_attach_property(&plane->base, plane->gamma_mode_property, 0); + + if (!plane->gamma_lut_property) + return; + + drm_object_attach_property(&plane->base, + plane->gamma_lut_property, 0); } EXPORT_SYMBOL(drm_plane_attach_gamma_properties); diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index a7b7c8599702..8989bb1aa46c 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -267,6 +267,14 @@ struct drm_plane_state { */ u32 gamma_mode; + /* @gamma_lut: + * + * Lookup table for converting framebuffer pixel data after applying the + * color conversion matrix @ctm. See drm_plane_enable_color_mgmt(). The + * blob (if not NULL) is an array of &struct drm_color_lut_ext. + */ + struct drm_property_blob *gamma_lut; + u8 color_mgmt_changed : 1; }; @@ -804,6 +812,12 @@ struct drm_plane { * used to convert the framebuffer's colors to non-linear gamma. */ struct drm_property *gamma_mode_property; + + /** + * @gamma_lut_property: Optional Plane property to set the LUT + * used to convert the framebuffer's colors to non-linear gamma. + */ + struct drm_property *gamma_lut_property; }; #define obj_to_plane(x) container_of(x, struct drm_plane, base)