From patchwork Fri Aug 17 14:18:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10568785 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 8B413139A for ; Fri, 17 Aug 2018 14:03:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 789B52B23A for ; Fri, 17 Aug 2018 14:03:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6C7932B2A2; Fri, 17 Aug 2018 14:03:51 +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=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 E19822B23A for ; Fri, 17 Aug 2018 14:03:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2E6AA6E638; Fri, 17 Aug 2018 14:03:39 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 498106E636; Fri, 17 Aug 2018 14:03:38 +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 orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Aug 2018 07:03:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,251,1531810800"; d="scan'208";a="82194224" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.25.28]) by fmsmga001.fm.intel.com with ESMTP; 17 Aug 2018 07:03:35 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC v4 3/8] drm: Add Plane CTM property Date: Fri, 17 Aug 2018 19:48:46 +0530 Message-Id: <1534515531-20599-4-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1534515531-20599-1-git-send-email-uma.shankar@intel.com> References: <1534515531-20599-1-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 , 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 Add a blob property for plane CSC usage. v2: Rebase v3: Fixed Sean, Paul's review comments. Moved the property from mode_config to drm_plane. Created a helper function to instantiate these properties and removed from drm_mode_create_standard_properties Added property documentation as suggested by Daniel, Vetter. v4: Rebase Signed-off-by: Uma Shankar Reviewed-by: Alexandru Gheorghe --- Documentation/gpu/drm-kms.rst | 3 +++ drivers/gpu/drm/drm_atomic.c | 10 ++++++++++ drivers/gpu/drm/drm_atomic_helper.c | 4 ++++ drivers/gpu/drm/drm_plane.c | 12 ++++++++++++ include/drm/drm_plane.h | 15 +++++++++++++++ 5 files changed, 44 insertions(+) diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst index 8b10b12..16d6d8d 100644 --- a/Documentation/gpu/drm-kms.rst +++ b/Documentation/gpu/drm-kms.rst @@ -560,6 +560,9 @@ Plane Color Management Properties .. kernel-doc:: drivers/gpu/drm/drm_plane.c :doc: degamma_lut_size_property +.. kernel-doc:: drivers/gpu/drm/drm_plane.c + :doc: ctm_property + Tile Group Property ------------------- diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index f8cad9b..ddda935 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -917,6 +917,14 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, &replaced); state->color_mgmt_changed |= replaced; return ret; + } else if (property == plane->ctm_property) { + ret = drm_atomic_replace_property_blob_from_id(dev, + &state->ctm, + val, + sizeof(struct drm_color_ctm), -1, + &replaced); + state->color_mgmt_changed |= replaced; + return ret; } else if (plane->funcs->atomic_set_property) { return plane->funcs->atomic_set_property(plane, state, property, val); @@ -988,6 +996,8 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, } else if (property == plane->degamma_lut_property) { *val = (state->degamma_lut) ? state->degamma_lut->base.id : 0; + } else if (property == plane->ctm_property) { + *val = (state->ctm) ? state->ctm->base.id : 0; } else if (plane->funcs->atomic_get_property) { return plane->funcs->atomic_get_property(plane, state, property, val); } else { diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 67c5b51..866181f 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3616,6 +3616,9 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, if (state->degamma_lut) drm_property_blob_get(state->degamma_lut); + if (state->ctm) + drm_property_blob_get(state->ctm); + state->color_mgmt_changed = false; } EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state); @@ -3663,6 +3666,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state) drm_crtc_commit_put(state->commit); drm_property_blob_put(state->degamma_lut); + drm_property_blob_put(state->ctm); } EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state); diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index 03e0560..97520b1 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -489,6 +489,11 @@ int drm_mode_plane_set_obj_prop(struct drm_plane *plane, * * degamma_lut_size_property: * Range Property to indicate size of the plane degamma LUT. + * + * ctm_property: + * Blob property which allows a userspace to provide CTM coefficients + * to do color space conversion or any other enhancement by doing a + * matrix multiplication using the h/w CTM processing engine */ int drm_plane_color_create_prop(struct drm_device *dev, struct drm_plane *plane) @@ -509,6 +514,13 @@ int drm_plane_color_create_prop(struct drm_device *dev, return -ENOMEM; plane->degamma_lut_size_property = prop; + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "PLANE_CTM", 0); + if (!prop) + return -ENOMEM; + plane->ctm_property = prop; + return 0; } EXPORT_SYMBOL(drm_plane_color_create_prop); diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 28357ac..5143277 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -183,6 +183,14 @@ struct drm_plane_state { struct drm_property_blob *degamma_lut; /** + * @ctm: + * + * Color transformation matrix. See drm_plane_enable_color_mgmt(). The + * blob (if not NULL) is a &struct drm_color_ctm. + */ + struct drm_property_blob *ctm; + + /** * @commit: Tracks the pending commit to prevent use-after-free conditions, * and for async plane updates. * @@ -698,6 +706,13 @@ struct drm_plane { * size of the degamma LUT as supported by the driver (read-only). */ struct drm_property *degamma_lut_size_property; + + /** + * @plane_ctm_property: Optional Plane property to set the + * matrix used to convert colors after the lookup in the + * degamma LUT. + */ + struct drm_property *ctm_property; }; #define obj_to_plane(x) container_of(x, struct drm_plane, base)