From patchwork Wed Feb 7 22:44:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Limonciello X-Patchwork-Id: 13549142 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2041.outbound.protection.outlook.com [40.107.236.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2352B1DDD5; Wed, 7 Feb 2024 22:44:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.236.41 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707345888; cv=fail; b=YGVpYltFX3iHx+NRqLUPT9N35rDpCze0lAsb7SE8/Vw5sf6mpIPm7/PLO7m/UYSO7dPbox4N2spvBaFq7gsiZg3Lr2JmiX7tY2lrjW6s2slMYb+Z01MiI5AjoH4jxxCggnf171Fhj9SRnH0X8dCK9auvInuoGK38N4Z2gQG71Tc= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707345888; c=relaxed/simple; bh=d3/ZQc/qxt5Z4njDik82nnDGKRSToJUYLH0DNXjCWNg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RJ5eHsbQqNor5avLTXjHE2j/lOzbOdOE4Db2snaGIJPf+4fxUTgrsDvi1MES9UktGtvtpLuR8A40WUg4kmhfCTZn3jnAnmjSVgr8qkzmt3WhyewqqlfEqlSE1ziZHcQM4+buIj/95Lc9+bAiJNzu0eecECFAxz0AW5pfaIZabXo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=OEsfHfnP; arc=fail smtp.client-ip=40.107.236.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="OEsfHfnP" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KNl74K56QvnToMly1R7Y2PaYFjHe3dSC29FUA3/TMVLJ1mIfGGxA4R3nHeHwekXrwsSXR62o3K2U1qPp1a33pPO9eO6KeqDrzWG9dwaXt9IHQMaSgNJHXf/C963CiWVGHoOilakOeYBeIMWxu45CN+L8VpUgwA8XV2dCm4KUJWdQZ8s77jRq6T5Dp7ShpMI3Ohtj8pZ2E3lhdmGCuS0qGIDYnt3mYLVu6TarwKBGMZHBSS2/5U5vo489zdTKIRDsBAmh3uDN1AEA640O85WE66BB6peiCGFBkksKozEpdFJlMwzZU7/McLRnmn33EMKN5K63N+F8eOx37thWaK3rlA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=L0U758bXDmlr5xoCHYpCSP5/Wjo9dBGJnEuGvD8N0Nc=; b=fpRLTLcWy6dYev2KTbEY/Tf7xEX1o9DRPFgdUopc7smyJ5hhhcc4H5FObQ4mB8Rn4PvsgT2E4hzKpLClpt0LPwZYKIJr5gV/KUiXdDXWh13C5jgSOegEPvuLFe7buGTTt2HieYMP7C3Zb2O5c7atZ5ruFMq6XiAJWCDNj5y8wUqFLf1lnC5qDtARxE2xGTZvlLyCPYONsabNTVuJW23ym/ST6A8DvSC9Wswuovq0SC+h7tGWHOjS+1Jrv/rihl7elcIQk7nFbq2RC1Jkatoq76O/6yIG/yucHkzUUhk0hhNuVKbP2fs6nFT4xHc7UF5iSgr5HsRNvxFXmWjEd7bIOQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.freedesktop.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=L0U758bXDmlr5xoCHYpCSP5/Wjo9dBGJnEuGvD8N0Nc=; b=OEsfHfnPsoV3xdf6lKkSS+37UwtB2w1oDlxGbE8+5ya+kO2NHQ4m1ZFRF3qM9Dsw5d3fiC8LTtAhJEGD/2MenQAUQ0AZ3CMy0nCO550/1YjSBHl/DKnLg3oF663I3fiqgzXN/dX1iPR4AJHvKHTFthhwer3T9jKrNnVlchoAWRs= Received: from CY5PR17CA0050.namprd17.prod.outlook.com (2603:10b6:930:12::15) by BY5PR12MB4259.namprd12.prod.outlook.com (2603:10b6:a03:202::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7270.15; Wed, 7 Feb 2024 22:44:43 +0000 Received: from CY4PEPF0000EE32.namprd05.prod.outlook.com (2603:10b6:930:12:cafe::4f) by CY5PR17CA0050.outlook.office365.com (2603:10b6:930:12::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7249.37 via Frontend Transport; Wed, 7 Feb 2024 22:44:43 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000EE32.mail.protection.outlook.com (10.167.242.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7249.19 via Frontend Transport; Wed, 7 Feb 2024 22:44:42 +0000 Received: from AUS-P9-MLIMONCI.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.34; Wed, 7 Feb 2024 16:44:41 -0600 From: Mario Limonciello To: , "open list:DRM DRIVERS" CC: "open list:ACPI" , open list , Melissa Wen , "Mario Limonciello" Subject: [PATCH v4 2/3] drm/nouveau: Use drm_get_acpi_edid() helper Date: Wed, 7 Feb 2024 16:44:28 -0600 Message-ID: <20240207224429.104625-3-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240207224429.104625-1-mario.limonciello@amd.com> References: <20240207224429.104625-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE32:EE_|BY5PR12MB4259:EE_ X-MS-Office365-Filtering-Correlation-Id: ad78dee2-2960-4990-29f2-08dc282e605c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: JqGfOO11rv357/+ATJeflevmC+69qHH1rZ397RtUom8SwnQQJCBp+5FtXYYMwS5/xAACecZfs6/NSY7q+uWXIqvGE85xuE/YzCN2sKe5Hhpa396CdofTl/jETsRlVTE3yZKwuk4Qw7xJCvP7IpOY8bK1Fp+jIS/Cz5eWMoyXuoF46T8EAhStiz0+SiEHnGAvimrWalrS77AHxIrEgqYYkHdlbN0G9YA6hvpM5P6gLb8f/sH/yDD2ng+bdhyNeHY6NMx4Ky0iviNT+J4WxO143IltGbhV3Hxonsl8iybOrz7dWUbfFFN60DlKmiFsxh7J9awMQpG4AtuMs2rnWtOT+pSKFHoyt8iSNKd43t056AiJEt055B9nffvjoSTx6ZfuRNhqHeNrH9HcilOaLnPQU7VQPBbq+U6aE+z/YAc4K/o14mFzAuXYBWID5pPwY2OkitwykwvZ7zum1eD+Y9EJWyTQ8eDGUpQutgpYaD9MEGMBRs2IGlxU043G+EpbXooUKaQMONo0dCrhk/fVIwQOtqmQeltgbeG7IDnArXRjpwL9zIv5nYOxdw6s5M3Gzipf0vVEajClroINEF+NdSbnpnYgClYdAg9AxGTjMvGNyLA= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(396003)(346002)(136003)(376002)(39860400002)(230922051799003)(64100799003)(82310400011)(186009)(1800799012)(451199024)(46966006)(36840700001)(40470700004)(36756003)(41300700001)(2616005)(81166007)(83380400001)(426003)(336012)(1076003)(82740400003)(16526019)(356005)(110136005)(4326008)(6666004)(316002)(70586007)(478600001)(70206006)(5660300002)(54906003)(7696005)(26005)(44832011)(86362001)(8936002)(2906002)(8676002);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Feb 2024 22:44:42.8933 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ad78dee2-2960-4990-29f2-08dc282e605c X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE32.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4259 Rather than inventing a wrapper to acpi_video_get_edid() use the one provided by drm. This fixes two problems: 1. A memory leak that the memory provided by the ACPI call was never freed. 2. Validation of the BIOS provided blob. Convert the usage in nouveau_connector_detect_lvds() to use struct drm_edid at the same time. Signed-off-by: Mario Limonciello --- drivers/gpu/drm/nouveau/nouveau_acpi.c | 27 --------------------- drivers/gpu/drm/nouveau/nouveau_acpi.h | 2 -- drivers/gpu/drm/nouveau/nouveau_connector.c | 20 +++++++-------- 3 files changed, 9 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 8f0c69aad248..de9daafb3fbb 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -360,33 +360,6 @@ void nouveau_unregister_dsm_handler(void) {} void nouveau_switcheroo_optimus_dsm(void) {} #endif -void * -nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) -{ - struct acpi_device *acpidev; - int type, ret; - void *edid; - - switch (connector->connector_type) { - case DRM_MODE_CONNECTOR_LVDS: - case DRM_MODE_CONNECTOR_eDP: - type = ACPI_VIDEO_DISPLAY_LCD; - break; - default: - return NULL; - } - - acpidev = ACPI_COMPANION(dev->dev); - if (!acpidev) - return NULL; - - ret = acpi_video_get_edid(acpidev, type, -1, &edid); - if (ret < 0) - return NULL; - - return kmemdup(edid, EDID_LENGTH, GFP_KERNEL); -} - bool nouveau_acpi_video_backlight_use_native(void) { return acpi_video_backlight_use_native(); diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.h b/drivers/gpu/drm/nouveau/nouveau_acpi.h index e39dd8b94b8b..6a3def8e6cca 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.h +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.h @@ -10,7 +10,6 @@ bool nouveau_is_v1_dsm(void); void nouveau_register_dsm_handler(void); void nouveau_unregister_dsm_handler(void); void nouveau_switcheroo_optimus_dsm(void); -void *nouveau_acpi_edid(struct drm_device *, struct drm_connector *); bool nouveau_acpi_video_backlight_use_native(void); void nouveau_acpi_video_register_backlight(void); #else @@ -19,7 +18,6 @@ static inline bool nouveau_is_v1_dsm(void) { return false; }; static inline void nouveau_register_dsm_handler(void) {} static inline void nouveau_unregister_dsm_handler(void) {} static inline void nouveau_switcheroo_optimus_dsm(void) {} -static inline void *nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return NULL; } static inline bool nouveau_acpi_video_backlight_use_native(void) { return true; } static inline void nouveau_acpi_video_register_backlight(void) {} #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 856b3ef5edb8..4c47d231c65e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -687,7 +687,7 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = NULL; - struct edid *edid = NULL; + const struct drm_edid *drm_edid = NULL; enum drm_connector_status status = connector_status_disconnected; nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); @@ -698,7 +698,7 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) if (!drm->vbios.fp_no_ddc) { status = nouveau_connector_detect(connector, force); if (status == connector_status_connected) { - edid = nv_connector->edid; + drm_edid = drm_edid_alloc(nv_connector->edid, EDID_LENGTH); goto out; } } @@ -713,8 +713,8 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * valid - it's not (rh#613284) */ if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { - edid = nouveau_acpi_edid(dev, connector); - if (edid) { + drm_edid = drm_get_acpi_edid(connector); + if (drm_edid) { status = connector_status_connected; goto out; } @@ -734,12 +734,9 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * stored for the panel stored in them. */ if (!drm->vbios.fp_no_ddc) { - edid = (struct edid *)nouveau_bios_embedded_edid(dev); - if (edid) { - edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL); - if (edid) - status = connector_status_connected; - } + drm_edid = drm_edid_alloc(nouveau_bios_embedded_edid(dev), EDID_LENGTH); + if (drm_edid) + status = connector_status_connected; } out: @@ -750,7 +747,8 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) status = connector_status_unknown; #endif - nouveau_connector_set_edid(nv_connector, edid); + drm_edid_connector_update(connector, drm_edid); + drm_edid_free(drm_edid); if (nv_encoder) nouveau_connector_set_encoder(connector, nv_encoder); return status;