From patchwork Fri Aug 17 14:18:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10568781 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 68CD514BD for ; Fri, 17 Aug 2018 14:03:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5609D2B23A for ; Fri, 17 Aug 2018 14:03:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4A0BB2B2A2; Fri, 17 Aug 2018 14:03:47 +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 3CC982B23A for ; Fri, 17 Aug 2018 14:03:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E73CA6E636; Fri, 17 Aug 2018 14:03:38 +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 8CE386E62B; Fri, 17 Aug 2018 14:03:35 +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 07:03:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,251,1531810800"; d="scan'208";a="82194208" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.25.28]) by fmsmga001.fm.intel.com with ESMTP; 17 Aug 2018 07:03:32 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC v4 2/8] drm: Add Plane Degamma properties Date: Fri, 17 Aug 2018 19:48:45 +0530 Message-Id: <1534515531-20599-3-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 Plane Degamma as a blob property and plane degamma size as a range property. 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 | 9 +++++++++ drivers/gpu/drm/drm_atomic.c | 13 +++++++++++++ drivers/gpu/drm/drm_atomic_helper.c | 6 ++++++ drivers/gpu/drm/drm_plane.c | 35 +++++++++++++++++++++++++++++++++++ include/drm/drm_plane.h | 24 ++++++++++++++++++++++++ 5 files changed, 87 insertions(+) diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst index 5dee6b8..8b10b12 100644 --- a/Documentation/gpu/drm-kms.rst +++ b/Documentation/gpu/drm-kms.rst @@ -551,6 +551,15 @@ Color Management Properties .. kernel-doc:: drivers/gpu/drm/drm_color_mgmt.c :export: +Plane Color Management Properties +--------------------------- + +.. kernel-doc:: drivers/gpu/drm/drm_plane.c + :doc: degamma_lut_property + +.. kernel-doc:: drivers/gpu/drm/drm_plane.c + :doc: degamma_lut_size_property + Tile Group Property ------------------- diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 3eb061e..f8cad9b 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -857,6 +857,8 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, { struct drm_device *dev = plane->dev; struct drm_mode_config *config = &dev->mode_config; + bool replaced = false; + int ret; if (property == config->prop_fb_id) { struct drm_framebuffer *fb = drm_framebuffer_lookup(dev, NULL, val); @@ -908,6 +910,13 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, state->color_encoding = val; } else if (property == plane->color_range_property) { state->color_range = val; + } else if (property == plane->degamma_lut_property) { + ret = drm_atomic_replace_property_blob_from_id(dev, + &state->degamma_lut, + val, -1, sizeof(struct drm_color_lut), + &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); @@ -976,6 +985,9 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, *val = state->color_encoding; } else if (property == plane->color_range_property) { *val = state->color_range; + } else if (property == plane->degamma_lut_property) { + *val = (state->degamma_lut) ? + state->degamma_lut->base.id : 0; } else if (plane->funcs->atomic_get_property) { return plane->funcs->atomic_get_property(plane, state, property, val); } else { @@ -1116,6 +1128,7 @@ static void drm_atomic_plane_print_state(struct drm_printer *p, drm_get_color_encoding_name(state->color_encoding)); drm_printf(p, "\tcolor-range=%s\n", drm_get_color_range_name(state->color_range)); + drm_printf(p, "\tcolor_mgmt_changed=%d\n", state->color_mgmt_changed); if (plane->funcs->atomic_print_state) plane->funcs->atomic_print_state(p, state); diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 38ce9a3..67c5b51 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3613,6 +3613,10 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, state->fence = NULL; state->commit = NULL; + + if (state->degamma_lut) + drm_property_blob_get(state->degamma_lut); + state->color_mgmt_changed = false; } EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state); @@ -3657,6 +3661,8 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state) if (state->commit) drm_crtc_commit_put(state->commit); + + drm_property_blob_put(state->degamma_lut); } 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 cd71fd0..03e0560 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -478,6 +478,41 @@ int drm_mode_plane_set_obj_prop(struct drm_plane *plane, } EXPORT_SYMBOL(drm_mode_plane_set_obj_prop); +/** + * DOC: degamma_lut_property + * + * degamma_lut_property: + * Blob property which allows a userspace to provide LUT values + * to apply degamma curve using the h/w plane degamma processing + * engine, thereby making the content as linear for further color + * processing. + * + * degamma_lut_size_property: + * Range Property to indicate size of the plane degamma LUT. + */ +int drm_plane_color_create_prop(struct drm_device *dev, + struct drm_plane *plane) +{ + struct drm_property *prop; + + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "PLANE_DEGAMMA_LUT", 0); + if (!prop) + return -ENOMEM; + plane->degamma_lut_property = prop; + + prop = drm_property_create_range(dev, + DRM_MODE_PROP_IMMUTABLE, + "PLANE_DEGAMMA_LUT_SIZE", 0, UINT_MAX); + if (!prop) + return -ENOMEM; + plane->degamma_lut_size_property = prop; + + return 0; +} +EXPORT_SYMBOL(drm_plane_color_create_prop); + int drm_mode_getplane_res(struct drm_device *dev, void *data, struct drm_file *file_priv) { diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 8a152dc..28357ac 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -174,6 +174,14 @@ struct drm_plane_state { */ bool visible; + /* @degamma_lut: + * + * Lookup table for converting framebuffer pixel data before apply 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 *degamma_lut; + /** * @commit: Tracks the pending commit to prevent use-after-free conditions, * and for async plane updates. @@ -184,6 +192,8 @@ struct drm_plane_state { /** @state: backpointer to global drm_atomic_state */ struct drm_atomic_state *state; + + u8 color_mgmt_changed : 1; }; static inline struct drm_rect @@ -676,6 +686,18 @@ struct drm_plane { * See drm_plane_create_color_properties(). */ struct drm_property *color_range_property; + + /** + * @degamma_lut_property: Optional Plane property to set the LUT + * used to convert the framebuffer's colors to linear gamma. + */ + struct drm_property *degamma_lut_property; + + /** + * @degamma_lut_size_property: Optional Plane property for the + * size of the degamma LUT as supported by the driver (read-only). + */ + struct drm_property *degamma_lut_size_property; }; #define obj_to_plane(x) container_of(x, struct drm_plane, base) @@ -725,6 +747,8 @@ static inline u32 drm_plane_mask(const struct drm_plane *plane) int drm_mode_plane_set_obj_prop(struct drm_plane *plane, struct drm_property *property, uint64_t value); +int drm_plane_color_create_prop(struct drm_device *dev, + struct drm_plane *plane); /** * drm_plane_find - find a &drm_plane