From patchwork Fri Jul 28 17:02:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jessica Zhang X-Patchwork-Id: 13332150 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCCA9C04FE0 for ; Fri, 28 Jul 2023 17:03:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235749AbjG1RDh (ORCPT ); Fri, 28 Jul 2023 13:03:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235708AbjG1RDc (ORCPT ); Fri, 28 Jul 2023 13:03:32 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E30A3A85; Fri, 28 Jul 2023 10:03:21 -0700 (PDT) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36S6cknH012494; Fri, 28 Jul 2023 17:02:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : date : subject : mime-version : content-type : content-transfer-encoding : message-id : references : in-reply-to : to : cc; s=qcppdkim1; bh=6tDgiF2ZxgFvgTArKk6bDxokOz/K2Li75WlfBDjrMT0=; b=L1ZwhaQgf9yaxdaVeWsZY7IP/BOTiI9vyFhY9SDJBFXeHIYmyFEPwxEpPbAO9evrzuWK 5NmdzuS6MQD7AGOAb8LlIZFZZOXV1fXAeiYCRMgWym6qqi/hbWbvqo8Bo8pOeSB2gG3h Uh2y755eJa4vjPUrZQptcBY4IKqx9rDIxk7k7RO7m7FpFiX+bLs5xF7aFnNCcgRVIG66 aqLUa3u1al6NAKSLDJVm15kDXHcXOGA4NaHjFBynNaTA6zNGx7uTljOQIVherwXKdAY1 gqcEt3QG0Qq0KIGsPaGUDogPhMAAj8F89GdCk0dCmHaq0NNhrWk2de8wAZsNxEwYMRU+ 5w== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s447khqwq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jul 2023 17:02:54 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36SH2rmi024671 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jul 2023 17:02:53 GMT Received: from jesszhan-linux.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Fri, 28 Jul 2023 10:02:53 -0700 From: Jessica Zhang Date: Fri, 28 Jul 2023 10:02:11 -0700 Subject: [PATCH RFC v5 02/10] drm: Introduce solid fill DRM plane property MIME-Version: 1.0 Message-ID: <20230728-solid-fill-v5-2-053dbefa909c@quicinc.com> References: <20230728-solid-fill-v5-0-053dbefa909c@quicinc.com> In-Reply-To: <20230728-solid-fill-v5-0-053dbefa909c@quicinc.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Rob Clark , Dmitry Baryshkov , "Sean Paul" , Marijn Suijten CC: , , , , , , , , , , , Jessica Zhang X-Mailer: b4 0.13-dev-034f2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1690563772; l=9758; i=quic_jesszhan@quicinc.com; s=20230329; h=from:subject:message-id; bh=3gtQSCoVoo65gTLeQumgkBfBoKEgNH2pyDMD1PkMvlA=; b=2lpDSLfFkqlNJIdwaGljktDEMgIzZUmWXhV/eUaod3DIy6zS9vP1ZTMoiVHH42Dim0b1SzKaU mXODxgYWC7OA76jjDqsk6smEIJNKKyXy32UVWbEKqo8PnMgfxv6vVrl X-Developer-Key: i=quic_jesszhan@quicinc.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: uSk5brQFSoj9hZNpJGhMEUMBOOO34xAQ X-Proofpoint-GUID: uSk5brQFSoj9hZNpJGhMEUMBOOO34xAQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-27_10,2023-07-26_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=999 clxscore=1011 malwarescore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 phishscore=0 suspectscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307280154 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Document and add support for solid_fill property to drm_plane. In addition, add support for setting and getting the values for solid_fill. To enable solid fill planes, userspace must assign a property blob to the "solid_fill" plane property containing the following information: struct drm_mode_solid_fill { u32 version; u32 r, g, b; }; Signed-off-by: Jessica Zhang --- drivers/gpu/drm/drm_atomic_state_helper.c | 9 +++++ drivers/gpu/drm/drm_atomic_uapi.c | 55 +++++++++++++++++++++++++++++++ drivers/gpu/drm/drm_blend.c | 30 +++++++++++++++++ include/drm/drm_blend.h | 1 + include/drm/drm_plane.h | 35 ++++++++++++++++++++ include/uapi/drm/drm_mode.h | 24 ++++++++++++++ 6 files changed, 154 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index 01638c51ce0a..86fb876efbe6 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -254,6 +254,11 @@ void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *plane_state, plane_state->pixel_blend_mode = DRM_MODE_BLEND_PREMULTI; plane_state->pixel_source = DRM_PLANE_PIXEL_SOURCE_FB; + if (plane_state->solid_fill_blob) { + drm_property_blob_put(plane_state->solid_fill_blob); + plane_state->solid_fill_blob = NULL; + } + if (plane->color_encoding_property) { if (!drm_object_property_get_default_value(&plane->base, plane->color_encoding_property, @@ -336,6 +341,9 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, if (state->fb) drm_framebuffer_get(state->fb); + if (state->solid_fill_blob) + drm_property_blob_get(state->solid_fill_blob); + state->fence = NULL; state->commit = NULL; state->fb_damage_clips = NULL; @@ -385,6 +393,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state) drm_crtc_commit_put(state->commit); drm_property_blob_put(state->fb_damage_clips); + drm_property_blob_put(state->solid_fill_blob); } 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 454f980e16c9..039686c78c2a 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -316,6 +316,51 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state, } EXPORT_SYMBOL(drm_atomic_set_crtc_for_connector); +static int drm_atomic_set_solid_fill_prop(struct drm_plane_state *state, + struct drm_property_blob *blob) +{ + int blob_version; + + if (blob == state->solid_fill_blob) + return 0; + + if (blob) { + struct drm_mode_solid_fill *user_info = (struct drm_mode_solid_fill *)blob->data; + + if (blob->length != sizeof(struct drm_mode_solid_fill)) { + drm_dbg_atomic(state->plane->dev, + "[PLANE:%d:%s] bad solid fill blob length: %zu\n", + state->plane->base.id, state->plane->name, + blob->length); + return -EINVAL; + } + + blob_version = user_info->version; + + /* Add more versions if necessary */ + if (blob_version == 1) { + state->solid_fill.r = user_info->r; + state->solid_fill.g = user_info->g; + state->solid_fill.b = user_info->b; + } else { + drm_dbg_atomic(state->plane->dev, + "[PLANE:%d:%s] unsupported solid fill version (version=%d)\n", + state->plane->base.id, state->plane->name, + blob_version); + return -EINVAL; + } + } + + drm_property_blob_put(state->solid_fill_blob); + + if (blob) + state->solid_fill_blob = drm_property_blob_get(blob); + else + state->solid_fill_blob = NULL; + + return 0; +} + static void set_out_fence_for_crtc(struct drm_atomic_state *state, struct drm_crtc *crtc, s32 __user *fence_ptr) { @@ -546,6 +591,13 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, state->src_h = val; } else if (property == plane->pixel_source_property) { state->pixel_source = val; + } else if (property == plane->solid_fill_property) { + struct drm_property_blob *solid_fill = drm_property_lookup_blob(dev, val); + + ret = drm_atomic_set_solid_fill_prop(state, solid_fill); + drm_property_blob_put(solid_fill); + + return ret; } else if (property == plane->alpha_property) { state->alpha = val; } else if (property == plane->blend_mode_property) { @@ -620,6 +672,9 @@ drm_atomic_plane_get_property(struct drm_plane *plane, *val = state->src_h; } else if (property == plane->pixel_source_property) { *val = state->pixel_source; + } else if (property == plane->solid_fill_property) { + *val = state->solid_fill_blob ? + state->solid_fill_blob->base.id : 0; } else if (property == plane->alpha_property) { *val = state->alpha; } else if (property == plane->blend_mode_property) { diff --git a/drivers/gpu/drm/drm_blend.c b/drivers/gpu/drm/drm_blend.c index c500310a3d09..c632dfcd8a9b 100644 --- a/drivers/gpu/drm/drm_blend.c +++ b/drivers/gpu/drm/drm_blend.c @@ -200,6 +200,10 @@ * "FB": * Framebuffer source set by the "FB_ID" property. * + * solid_fill: + * solid_fill is set up with drm_plane_create_solid_fill_property(). It + * contains pixel data that drivers can use to fill a plane. + * * Note that all the property extensions described here apply either to the * plane or the CRTC (e.g. for the background color, which currently is not * exposed and assumed to be black). @@ -700,3 +704,29 @@ int drm_plane_create_pixel_source_property(struct drm_plane *plane, return 0; } EXPORT_SYMBOL(drm_plane_create_pixel_source_property); + +/** + * drm_plane_create_solid_fill_property - create a new solid_fill property + * @plane: drm plane + * + * This creates a new property blob that holds pixel data for solid fill planes. + * The property is exposed to userspace as a property blob called "solid_fill". + * + * For information on what the blob contains, see `drm_mode_solid_fill`. + */ +int drm_plane_create_solid_fill_property(struct drm_plane *plane) +{ + struct drm_property *prop; + + prop = drm_property_create(plane->dev, + DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB, + "solid_fill", 0); + if (!prop) + return -ENOMEM; + + drm_object_attach_property(&plane->base, prop, 0); + plane->solid_fill_property = prop; + + return 0; +} +EXPORT_SYMBOL(drm_plane_create_solid_fill_property); diff --git a/include/drm/drm_blend.h b/include/drm/drm_blend.h index 122bbfbaae33..e7158fbee389 100644 --- a/include/drm/drm_blend.h +++ b/include/drm/drm_blend.h @@ -60,4 +60,5 @@ int drm_plane_create_blend_mode_property(struct drm_plane *plane, unsigned int supported_modes); int drm_plane_create_pixel_source_property(struct drm_plane *plane, unsigned long extra_sources); +int drm_plane_create_solid_fill_property(struct drm_plane *plane); #endif diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 89508b4dea4a..abf1458fa099 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -46,6 +46,17 @@ enum drm_plane_pixel_source { DRM_PLANE_PIXEL_SOURCE_MAX }; +/** + * struct solid_fill_property - RGB values for solid fill plane + * + * Note: This is the V1 for this feature + */ +struct drm_solid_fill { + uint32_t r; + uint32_t g; + uint32_t b; +}; + /** * struct drm_plane_state - mutable plane state * @@ -130,6 +141,23 @@ struct drm_plane_state { */ enum drm_plane_pixel_source pixel_source; + /** + * @solid_fill_blob: + * + * Blob containing relevant information for a solid fill plane + * including pixel format and data. See + * drm_plane_create_solid_fill_property() for more details. + */ + struct drm_property_blob *solid_fill_blob; + + /** + * @solid_fill: + * + * Pixel data for solid fill planes. See + * drm_plane_create_solid_fill_property() for more details. + */ + struct drm_solid_fill solid_fill; + /** * @alpha: * Opacity of the plane with 0 as completely transparent and 0xffff as @@ -720,6 +748,13 @@ struct drm_plane { */ struct drm_property *pixel_source_property; + /** + * @solid_fill_property: + * Optional solid_fill property for this plane. See + * drm_plane_create_solid_fill_property(). + */ + struct drm_property *solid_fill_property; + /** * @alpha_property: * Optional alpha property for this plane. See diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 43691058d28f..53c8efa5ad7f 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -259,6 +259,30 @@ struct drm_mode_modeinfo { char name[DRM_DISPLAY_MODE_LEN]; }; +/** + * struct drm_mode_solid_fill - User info for solid fill planes + * + * This is the userspace API solid fill information structure. + * + * Userspace can enable solid fill planes by assigning the plane "solid_fill" + * property to a blob containing a single drm_mode_solid_fill struct populated with an RGB323232 + * color and setting the pixel source to "SOLID_FILL". + * + * For information on the plane property, see drm_plane_create_solid_fill_property() + * + * @version: Version of the blob. Currently, there is only support for version == 1 + * @r: Red color value of single pixel + * @g: Green color value of single pixel + * @b: Blue color value of single pixel + */ +struct drm_mode_solid_fill { + __u32 version; + __u32 r; + __u32 g; + __u32 b; +}; + + struct drm_mode_card_res { __u64 fb_id_ptr; __u64 crtc_id_ptr;