From patchwork Sun Feb 11 05:50:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Limonciello X-Patchwork-Id: 199460 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:50ea:b0:106:860b:bbdd with SMTP id r10csp1960898dyd; Sun, 11 Feb 2024 06:56:20 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCUcUIx74te1K5ndk4GLuR6AlohUWrUzoKfKU3MLvtIoYAA+IqsUZvVFGkWrxhmtkvCLmTrzHNBvwdmuY6Cbgmn2yf5ZGg== X-Google-Smtp-Source: AGHT+IGaL1ddA7TVZ1WNefgLMynLVwPhCCw9xWo5Snvk1c2innPRS6zNnTTRAPpzIuaLpa2JjWI4 X-Received: by 2002:ac8:1387:0:b0:42c:66c9:ed76 with SMTP id h7-20020ac81387000000b0042c66c9ed76mr4492318qtj.59.1707663380507; Sun, 11 Feb 2024 06:56:20 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWRvLH4mvzOjzGdej9OKwqAFGxyFHBzhwFatriqAyI+JVtirPdk9Tmdg0GJ6pxrPstKRCH3HDwB9DlJVy8XmdXwsH4peg== Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id v4-20020ac87284000000b0042c796ffe47si281827qto.486.2024.02.11.06.56.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Feb 2024 06:56:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-60805-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=Gze0AMeF; arc=fail (signature failed); spf=pass (google.com: domain of linux-kernel+bounces-60805-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-60805-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 4EF2B1C218DB for ; Sun, 11 Feb 2024 14:55:57 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 95B4A5C8E8; Sun, 11 Feb 2024 14:55:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="Gze0AMeF" Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2070.outbound.protection.outlook.com [40.107.244.70]) (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 CFB945B1F3; Sun, 11 Feb 2024 14:55:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.244.70 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707663303; cv=fail; b=H+6vJNABjv3BauBkQvp7zQ2s9tsJorE6nJcEMyF80dkl7ziw1ZRB+MlcxJv+faYaRzT9SEmhgteyPaZKnp/4QfPunAiN96zHiyvvRxO9yfbBekRaX3k3iec/b3gdzTXcUD0epMaEnFHJIbvtC7/VUSbyo2gy1z4zf/Qc9DUgQfU= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707663303; c=relaxed/simple; bh=zIj1RyOrieQMckow9roEV57b1CLi41yxZh1y0gD70vY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=T6RvD7DG7zEwN8k3oy9Sf/owYmHkFbHXQkh1EtWSXaVv6evMRf1E/JGL8v+OevDf/9R4stHri5gPrEKKgPVnK3V8PZgab7n6/fjtd1Ncjxt+XKBTiORyWW8niFqCgOp+I1f0Qpe+9T2glqfwaq/CdByK6t3SqSFFeYaUk4KmGgc= 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=Gze0AMeF; arc=fail smtp.client-ip=40.107.244.70 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 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=mckhJ/W8JvePRY9J3lyMuODDvqwnPQdFyAf3KxC+ovAiwYSzYWx0isM240wOsuECyjvqQGLjaKl42+vTuW3oLwniiC7vvNbBU1PAydr34/CcErNmeRUY8614qgU8bo59iY5bEZpEQfnGgzEuZjEFXC3TcGoWFdos/aE41eNXZw3ft2RXC9zXZ8LhY/yk4QOLyWWp1eSRGprGbQA1Gd4wn5YUtf5hB86xhHZ13d1egmrtEBqd6VuDdZQgSwRRY9VtCrCLpN9fM/l9DpdK4gppk2tSJBomSFJcJtaJvp+1Cx6mF0PcSFO9oKTg2ZRauE6/n71qNWBdSI/huDZ4GP96uw== 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=dTAW5UBg5sWYY7H5wf1R1+6qudoZVN+nF2IpAnXfxS8=; b=KPC7gb5qCAzKAoulb83DQLglsqXY1km3W+3AlMBjSJTXMIY0XKB3QpvZ8q6NPpEks9InNbB9kioyY7q9P867pcANGx283PfMYeV9TSiVmzScLrWKVibVmlWy/gwhOW0+qjrGUS8uAdKE6kzog8DBx9Xl4fX8Qtk7QSMbgwoHyEMeK0FgryqbYWamcOMkv/f8y2eLVFWXDb+pJaQmOp12LnGzxw/PR1HSR0h//G9NpLCdBEVjdKAtNF3sJ6OYkblZ2DSoziDeGFvZyNKqLz8xmU+qgPEFnacZgotMecb+6PDRGUDTcfR9jfQhdWFMr+mhuwc3n0o62aBJUUb6bcn1pQ== 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=dTAW5UBg5sWYY7H5wf1R1+6qudoZVN+nF2IpAnXfxS8=; b=Gze0AMeFwqn4CPF9otD/fV1B7l0u52Q9ej0lgx464s59EP3pcrf9UzYjxoV2zg+bqvOamBsyK8b7/djzDoT+s9RoOPRPewY6s1ULXk8R66U3GRpYoS0wZYvyztJIjpgXOO+zeSPA+YFKT5IwHFfeL6sjJAijq/SCur08tiWr6tk= Received: from MN2PR08CA0030.namprd08.prod.outlook.com (2603:10b6:208:239::35) by DM6PR12MB5518.namprd12.prod.outlook.com (2603:10b6:5:1b9::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7292.14; Sun, 11 Feb 2024 14:54:59 +0000 Received: from BL02EPF0001A0FD.namprd03.prod.outlook.com (2603:10b6:208:239:cafe::66) by MN2PR08CA0030.outlook.office365.com (2603:10b6:208:239::35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7270.26 via Frontend Transport; Sun, 11 Feb 2024 14:54:59 +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 BL02EPF0001A0FD.mail.protection.outlook.com (10.167.242.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7249.19 via Frontend Transport; Sun, 11 Feb 2024 14:54:59 +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 15.1.2507.35; Sun, 11 Feb 2024 08:54:58 -0600 From: Mario Limonciello To: , "open list:DRM DRIVERS" CC: "open list:ACPI" , open list , Melissa Wen , Mark Pearson , Mario Limonciello Subject: [PATCH v5 3/3] drm/nouveau: Use drm_edid_read_acpi() helper Date: Sat, 10 Feb 2024 23:50:11 -0600 Message-ID: <20240211055011.3583-4-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240211055011.3583-1-mario.limonciello@amd.com> References: <20240211055011.3583-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@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: BL02EPF0001A0FD:EE_|DM6PR12MB5518:EE_ X-MS-Office365-Filtering-Correlation-Id: 13be7fe2-4e33-44ce-72d2-08dc2b116b28 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 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)(376002)(136003)(346002)(396003)(39860400002)(230922051799003)(451199024)(1800799012)(64100799003)(186009)(82310400011)(36840700001)(46966006)(40470700004)(478600001)(54906003)(110136005)(70586007)(36756003)(70206006)(316002)(426003)(336012)(16526019)(83380400001)(86362001)(356005)(82740400003)(26005)(81166007)(7696005)(1076003)(2616005)(6666004)(8676002)(2906002)(8936002)(44832011)(4326008)(41300700001)(5660300002);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Feb 2024 14:54:59.1550 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 13be7fe2-4e33-44ce-72d2-08dc2b116b28 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: BL02EPF0001A0FD.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB5518 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790614837188657239 X-GMAIL-MSGID: 1790614837188657239 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 --- v1->v2: * New patch v3->v4: * Rebase on v4 changes v4->v5: * Rebase on v5 changes --- drivers/gpu/drm/nouveau/nouveau_acpi.c | 27 ---------------- drivers/gpu/drm/nouveau/nouveau_acpi.h | 2 -- drivers/gpu/drm/nouveau/nouveau_connector.c | 35 +++++++++------------ 3 files changed, 14 insertions(+), 50 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..492035dc8453 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -687,22 +687,13 @@ 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); if (!nv_encoder) goto out; - /* Try retrieving EDID via DDC */ - if (!drm->vbios.fp_no_ddc) { - status = nouveau_connector_detect(connector, force); - if (status == connector_status_connected) { - edid = nv_connector->edid; - goto out; - } - } - /* On some laptops (Sony, i'm looking at you) there appears to * be no direct way of accessing the panel's EDID. The only * option available to us appears to be to ask ACPI for help.. @@ -712,10 +703,14 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * the nouveau decides an entry in the VBIOS FP mode table is * valid - it's not (rh#613284) */ - if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { - edid = nouveau_acpi_edid(dev, connector); - if (edid) { - status = connector_status_connected; + if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) + connector->acpi_edid_allowed = true; + + /* Try retrieving EDID via BIOS or DDC */ + if (!drm->vbios.fp_no_ddc || nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { + status = nouveau_connector_detect(connector, force); + if (status == connector_status_connected) { + drm_edid = drm_edid_alloc(nv_connector->edid, EDID_LENGTH); goto out; } } @@ -734,12 +729,9 @@ 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 +742,8 @@ 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;