From patchwork Thu Aug 10 07:38:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Evan Quan X-Patchwork-Id: 133739 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b824:0:b0:3f2:4152:657d with SMTP id z4csp258423vqi; Thu, 10 Aug 2023 01:03:24 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFvbHoJE8pUEGo6n5tcdFrEt1iRkTIsfS7b9no4ZIynYUz1gWynditKj8V3rn5w39m+gU0O X-Received: by 2002:a17:907:a043:b0:99c:55c5:1c6e with SMTP id gz3-20020a170907a04300b0099c55c51c6emr1590301ejc.8.1691654603813; Thu, 10 Aug 2023 01:03:23 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1691654603; cv=pass; d=google.com; s=arc-20160816; b=pLZ8icQAfWGMgfGRtfZUtIvZur9XE8dC+ad5/rS/kGTMe+aQhLi9mpVyWgm09ff3kF LzurULWyKuOTuy+T9BUzBa2HX5w1v5VzWfkCV0/VNXFq+51pWXpPCOzDan2jDjbEah0v Owfmj4EV3JX+Hl7BHbQUCdtvBnMSvuhZcGjw1/AfS1nabs0yPnwwivQE/09+3JjKsj+3 u15z/SvCNj4JdRQq84UL/Rqr4xKb2zuRqIkGNx6f4+L0NbhJhVfFN/6ULxJRec8seqnH cEwzFzDwjHGwc/Q6CHd+Iwhx9P0GP/PorvW9SsUnp2PjmDKd9sgNL2/ggBCC0py2HG5H srQg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=ICfFFCripL2P4ocC0bWkvw3oRf/7mOzyprGso847CcI=; fh=WpfgbTJceSODJ2RxjBwoHNUpZn2apRLDTiiS5YGrd/M=; b=gj4WU8j+cjwTfUu0UFSExy63PvcC9xDmKGfdmpRgBPTPLuFF07R6CSrWOatrccUiTW 3qWrZpfLPfWR5u4HeIUMUEYd2B+AOGSSh+73QciGn1xOnZGGoWmletvKgYTWQKhGZsgv WpG7aIWND9KEftbAmOShHjZiXfs6zEtMpQ8/pfs3nvak21hpoEZ06tqtw+WNXvtwri56 aeX562DFKMuup/5A9qZLvu+qS8uidZwiZ6p+1KmZn+JfAwcI2iOw/u8rDjJarkf9RRnT zVqOJ8cL8rahcnyC6wYBEzwzOIvaos5pmbxPGeL0gSgnK3TlHnQaY1NYlep2RIIAtc/3 QKEQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=QMs6GZW9; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i18-20020a1709061cd200b00997bd42d213si938300ejh.165.2023.08.10.01.02.58; Thu, 10 Aug 2023 01:03:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=QMs6GZW9; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232560AbjHJHlx (ORCPT + 99 others); Thu, 10 Aug 2023 03:41:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232447AbjHJHls (ORCPT ); Thu, 10 Aug 2023 03:41:48 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2052.outbound.protection.outlook.com [40.107.94.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9510810FF; Thu, 10 Aug 2023 00:41:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XY0ZRJkwGPUz8gnWLkpoHmYzep7Rzj2nHD+ijKE0FuffQ3jUbUX35l2UuwBwBGHruGYw32NzREhWgKfPAImRPfEdnGvYpNUMv186a8nqMg/Ub5u0mNCotp7yysk5xyqS6bxHTTjCeaAZoZDf4MteFL+odLDRq/TUey3L2Yz33ctd/AoaY1Yk31YxHjevgTbXBgIQWAXwrGL3P8byOy6UtpLM6K9+IbkM+G+qYtZDXxRefcKbrYqgB/mmAkjSvW5UXUmc4jrnU2V5G9LcuEUw5A0Zy8YkJDj9rIHZXipb61Kt5OyCGIxbe+NxLyer0Wmmnndd9ulTf3Pf/w+VEkINlA== 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=ICfFFCripL2P4ocC0bWkvw3oRf/7mOzyprGso847CcI=; b=C81a/DM26WMN+wz9lik08J9gK1NuXWAU2avpBVVTF+cgYdsSVgqugLyTA1smKxQK07v9lPqFDu7UdTmlBl/v6MQuqMeWFS37Z3An1PmJbUMcv9JklfsrlgwgzDXrKQB8dqHL2rM7NUMip8CXNfcc937+G1HwggufKVB0yyYNGtgLTu9RkG4oxluUepSJ+i5n8FxMgaYGZ84QlyRi4yUvjmjdKhAT7k83JFndP42Ea551K++ffKQsZGLR0bWpLyVeNM30SyOzAgi/WLqxwF4fvBSs9N6/9q62jmlpbWnzTMpuH9G5YxN/bWvvHolyH6RyiAVFZjsra2WMhtOMQYaXDg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.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 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=ICfFFCripL2P4ocC0bWkvw3oRf/7mOzyprGso847CcI=; b=QMs6GZW9mIsmNh4tAwYm0npMWnMwY7Xe5z+O0iGH9xPBwmwhQmwV9L2mqaqeAbYPcNptlo/UF1KnFVdd8Ph9+7N01qu+bDNejLCsnLlffbZ8OeoYTmWQL9q1qNON8lCGTEVQnJ/K05GRz8WjJ4cs5oi/13lSIp026o04li0fsUQ= Received: from CY5PR13CA0034.namprd13.prod.outlook.com (2603:10b6:930:11::19) by LV2PR12MB5967.namprd12.prod.outlook.com (2603:10b6:408:170::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6652.30; Thu, 10 Aug 2023 07:41:37 +0000 Received: from CY4PEPF0000E9D0.namprd03.prod.outlook.com (2603:10b6:930:11:cafe::97) by CY5PR13CA0034.outlook.office365.com (2603:10b6:930:11::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6678.18 via Frontend Transport; Thu, 10 Aug 2023 07:41:37 +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 CY4PEPF0000E9D0.mail.protection.outlook.com (10.167.241.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6652.19 via Frontend Transport; Thu, 10 Aug 2023 07:41:36 +0000 Received: from equan-buildpc.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 15.1.2507.27; Thu, 10 Aug 2023 02:40:20 -0500 From: Evan Quan To: , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Evan Quan , Mario Limonciello Subject: [PATCH V8 6/9] drm/amd/pm: setup the framework to support Wifi RFI mitigation feature Date: Thu, 10 Aug 2023 15:38:00 +0800 Message-ID: <20230810073803.1643451-7-evan.quan@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230810073803.1643451-1-evan.quan@amd.com> References: <20230810073803.1643451-1-evan.quan@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9D0:EE_|LV2PR12MB5967:EE_ X-MS-Office365-Filtering-Correlation-Id: c95fb823-bc77-4b40-501e-08db99753a41 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: bLHUSTo0KOuv7BpLGGBmvjxuSNiNtREtFmRMVJASuHRofiYkORD61UrgydP0Ikl0Im9iOKHpzJW9Wq4S37SP2o3+6h1S7MD4sHTgFFTpiKjyMNaMJavYEhTvKzY3GLJAdNEOTdbe1oC6Vp5917tz46+BDTw4bSnGgxaSeUCnJwMCgdo2kYybXGk8xoTRm29hU/it0A81HaIC9eXL6sTYJ78VGFeFhUmJKqGLWAJlIYTIPkh3NQPk/ofM45tAT/mMPeMU+iG6yj48EvyLLiXSHU2b0GO+i6fFi+OMdPr6t+U5G0XauvkFGyurpsNJcFoCXafokllWi6fSHThloqWbp1CFRWuIh+tnwKMidbLvri1sTwHFLWOT6oJ3Ul3otvxwPmjGywjEcCE34uldftvfF8FI0wNRJJR3abPtqQfC7SrddgoR+Hw2FnCza9OukCu/UCOpOvC7nXIgm6hTi4JjZ5xXS806gw6ZFFXlvVQR5tK728k2BH7D/kNf+BpeTcdhEbh6HoLFCrSukETDoWAZOobqCrO/BM0UsFWpBLpnqkPZzwOx9Kd5qI5sJhwRrBOIVwyxvfqUsqaAtNuD+XlFcO13zvGaf5PMXuj9n5pwUMT/KKgfy5KK517yFCAeDPRL/M3NwLM+emT0TBMiL524VM1w0gTprSg2BlUcPvKhUECoE7SZh/tkF1cVZnG2y5K2bJ57OoNTYRoEeb/LBr3yeIQunBYmHbyLMPlXKvgC5d/M+eObeEBhKxV8sqaar7eJfVguvUSqU1hiZAGiVzwjsx1WdE85d3mZ+qSHF5QPiVrckhwrzW5DbQncaB3Q4b8GTSVYdszKrrn0tPK6EkQaNkjLZMwthR2m/GW8sMzBLVorAlkEF+XTPdGG3O4xxyoD 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:(13230028)(4636009)(346002)(396003)(376002)(136003)(39860400002)(82310400008)(451199021)(1800799006)(186006)(40470700004)(46966006)(36840700001)(36756003)(36860700001)(6666004)(478600001)(110136005)(70586007)(70206006)(16526019)(26005)(1076003)(336012)(54906003)(7696005)(4326008)(316002)(2906002)(7416002)(41300700001)(44832011)(8676002)(921005)(5660300002)(82740400003)(356005)(81166007)(30864003)(86362001)(8936002)(83380400001)(2616005)(426003)(47076005)(40480700001)(40460700003)(36900700001)(2101003)(83996005)(309714004);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Aug 2023 07:41:36.9389 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c95fb823-bc77-4b40-501e-08db99753a41 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: CY4PEPF0000E9D0.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5967 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773828418311915002 X-GMAIL-MSGID: 1773828418311915002 With WBRF feature supported, as a driver responding to the frequencies, amdgpu driver is able to do shadow pstate switching to mitigate possible interference(between its (G-)DDR memory clocks and local radio module frequency bands used by Wifi 6/6e/7). Signed-off-by: Evan Quan Reviewed-by: Mario Limonciello --- v1->v2: - update the prompt for feature support(Lijo) --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 + drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 17 ++ drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 194 ++++++++++++++++++ drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 23 +++ drivers/gpu/drm/amd/pm/swsmu/smu_internal.h | 3 + 5 files changed, 239 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index a3b86b86dc47..2bfc9111ab00 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -247,6 +247,8 @@ extern int amdgpu_sg_display; extern int amdgpu_user_partt_mode; +extern int amdgpu_wbrf; + #define AMDGPU_VM_MAX_NUM_CTX 4096 #define AMDGPU_SG_THRESHOLD (256*1024*1024) #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 0593ef8fe0a6..1c574bd3b60d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -195,6 +195,7 @@ int amdgpu_use_xgmi_p2p = 1; int amdgpu_vcnfw_log; int amdgpu_sg_display = -1; /* auto */ int amdgpu_user_partt_mode = AMDGPU_AUTO_COMPUTE_PARTITION_MODE; +int amdgpu_wbrf = -1; static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work); @@ -981,6 +982,22 @@ module_param_named(user_partt_mode, amdgpu_user_partt_mode, uint, 0444); module_param(enforce_isolation, bool, 0444); MODULE_PARM_DESC(enforce_isolation, "enforce process isolation between graphics and compute . enforce_isolation = on"); +/** + * DOC: wbrf (int) + * Enable Wifi RFI interference mitigation feature. + * Due to electrical and mechanical constraints there may be likely interference of + * relatively high-powered harmonics of the (G-)DDR memory clocks with local radio + * module frequency bands used by Wifi 6/6e/7. To mitigate the possible RFI interference, + * with this feature enabled, PMFW will use either “shadowed P-State” or “P-State” based + * on active list of frequencies in-use (to be avoided) as part of initial setting or + * P-state transition. However, there may be potential performance impact with this + * feature enabled. + * (0 = disabled, 1 = enabled, -1 = auto (default setting, will be enabled if supported)) + */ +MODULE_PARM_DESC(wbrf, + "Enable Wifi RFI interference mitigation (0 = disabled, 1 = enabled, -1 = auto(default)"); +module_param_named(wbrf, amdgpu_wbrf, int, 0444); + /* These devices are not supported by amdgpu. * They are supported by the mach64, r128, radeon drivers */ diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index ce41a8309582..163037bd6d16 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1228,6 +1228,173 @@ static int smu_get_thermal_temperature_range(struct smu_context *smu) return ret; } +/** + * smu_wbrf_handle_exclusion_ranges - consume the wbrf exclusion ranges + * + * @smu: smu_context pointer + * + * Retrieve the wbrf exclusion ranges and send them to PMFW for proper handling. + * Returns 0 on success, error on failure. + */ +static int smu_wbrf_handle_exclusion_ranges(struct smu_context *smu) +{ + struct wbrf_ranges_out wbrf_exclusion = {0}; + struct exclusion_range *wifi_bands = wbrf_exclusion.band_list; + struct amdgpu_device *adev = smu->adev; + uint64_t start, end; + int ret, i, j; + + ret = wbrf_retrieve_exclusions(adev->dev, &wbrf_exclusion); + if (ret) { + dev_err(adev->dev, "Failed to retrieve exclusion ranges!\n"); + return ret; + } + + /* + * The exclusion ranges array we got might be filled with holes and duplicate + * entries. For example: + * {(2400, 2500), (0, 0), (6882, 6962), (2400, 2500), (0, 0), (6117, 6189), (0, 0)...} + * We need to do some sortups to eliminate those holes and duplicate entries. + * Expected output: {(2400, 2500), (6117, 6189), (6882, 6962), (0, 0)...} + */ + for (i = 0; i < MAX_NUM_OF_WBRF_RANGES; i++) { + start = wifi_bands[i].start; + end = wifi_bands[i].end; + + /* get the last valid entry to fill the intermediate hole */ + if (!start && !end) { + for (j = MAX_NUM_OF_WBRF_RANGES - 1; j > i; j--) + if (wifi_bands[j].start && + wifi_bands[j].end) + break; + + if (j > i) { + wifi_bands[i].start = wifi_bands[j].start; + wifi_bands[i].end = wifi_bands[j].end; + wifi_bands[j].start = 0; + wifi_bands[j].end = 0; + } + + continue; + } + + /* eliminate duplicate entries */ + for (j = i + 1; j < MAX_NUM_OF_WBRF_RANGES; j++) { + if ((wifi_bands[j].start == start) && + (wifi_bands[j].end == end)) { + wifi_bands[j].start = 0; + wifi_bands[j].end = 0; + continue; + } + } + } + + /* Send the sorted wifi_bands to PMFW */ + ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands); + /* Give it another chance */ + if (unlikely(ret == -EBUSY)) { + mdelay(5); + ret = smu_set_wbrf_exclusion_ranges(smu, wifi_bands); + } + + return ret; +} + +/** + * smu_wbrf_event_handler - handle notify events + * + * @nb: notifier block + * @action: event type + * @data: event data + * + * Calls relevant amdgpu function in response to wbrf event + * notification from kernel. + */ +static int smu_wbrf_event_handler(struct notifier_block *nb, + unsigned long action, void *_arg) +{ + struct smu_context *smu = container_of(nb, struct smu_context, + wbrf_notifier); + + switch (action) { + case WBRF_CHANGED: + smu_wbrf_handle_exclusion_ranges(smu); + break; + default: + return NOTIFY_DONE; + }; + + return NOTIFY_OK; +} + +/** + * smu_wbrf_support_check - check wbrf support + * + * @smu: smu_context pointer + * + * Verifies the ACPI interface whether wbrf is supported. + */ +static void smu_wbrf_support_check(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + + smu->wbrf_supported = smu_is_asic_wbrf_supported(smu) && + !!amdgpu_wbrf && + wbrf_supported_consumer(adev->dev); + + if (smu->wbrf_supported) + dev_info(adev->dev, "RF interference mitigation is supported\n"); +} + +/** + * smu_wbrf_init - init driver wbrf support + * + * @smu: smu_context pointer + * + * Verifies the AMD ACPI interfaces and registers with the wbrf + * notifier chain if wbrf feature is supported. + * Returns 0 on success, error on failure. + */ +static int smu_wbrf_init(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + int ret; + + if (!smu->wbrf_supported) + return 0; + + smu->wbrf_notifier.notifier_call = smu_wbrf_event_handler; + ret = wbrf_register_notifier(&smu->wbrf_notifier); + if (ret) + return ret; + + /* + * Some wifiband exclusion ranges may be already there + * before our driver loaded. To make sure our driver + * is awared of those exclusion ranges. + */ + ret = smu_wbrf_handle_exclusion_ranges(smu); + if (ret) + dev_err(adev->dev, "Failed to handle wbrf exclusion ranges\n"); + + return ret; +} + +/** + * smu_wbrf_fini - tear down driver wbrf support + * + * @smu: smu_context pointer + * + * Unregisters with the wbrf notifier chain. + */ +static void smu_wbrf_fini(struct smu_context *smu) +{ + if (!smu->wbrf_supported) + return; + + wbrf_unregister_notifier(&smu->wbrf_notifier); +} + static int smu_smc_hw_setup(struct smu_context *smu) { struct smu_feature *feature = &smu->smu_feature; @@ -1320,6 +1487,15 @@ static int smu_smc_hw_setup(struct smu_context *smu) if (ret) return ret; + /* Enable UclkShadow on wbrf supported */ + if (smu->wbrf_supported) { + ret = smu_enable_uclk_shadow(smu, true); + if (ret) { + dev_err(adev->dev, "Failed to enable UclkShadow feature to support wbrf!\n"); + return ret; + } + } + /* * With SCPM enabled, these actions(and relevant messages) are * not needed and permitted. @@ -1416,6 +1592,15 @@ static int smu_smc_hw_setup(struct smu_context *smu) */ ret = smu_set_min_dcef_deep_sleep(smu, smu->smu_table.boot_values.dcefclk / 100); + if (ret) { + dev_err(adev->dev, "Error setting min deepsleep dcefclk\n"); + return ret; + } + + /* Init wbrf support. Properly setup the notifier */ + ret = smu_wbrf_init(smu); + if (ret) + dev_err(adev->dev, "Error during wbrf init call\n"); return ret; } @@ -1471,6 +1656,13 @@ static int smu_hw_init(void *handle) return ret; } + /* + * Check whether wbrf is supported. This needs to be done + * before SMU setup starts since part of SMU configuration + * relies on this. + */ + smu_wbrf_support_check(smu); + if (smu->is_apu) { ret = smu_set_gfx_imu_enable(smu); if (ret) @@ -1623,6 +1815,8 @@ static int smu_smc_hw_cleanup(struct smu_context *smu) struct amdgpu_device *adev = smu->adev; int ret = 0; + smu_wbrf_fini(smu); + cancel_work_sync(&smu->throttling_logging_work); cancel_work_sync(&smu->interrupt_work); diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h index 6e2069dcb6b9..244297979f92 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -22,6 +22,8 @@ #ifndef __AMDGPU_SMU_H__ #define __AMDGPU_SMU_H__ +#include + #include "amdgpu.h" #include "kgd_pp_interface.h" #include "dm_pp_interface.h" @@ -575,6 +577,10 @@ struct smu_context u32 debug_resp_reg; struct delayed_work swctf_delayed_work; + + /* data structures for wbrf feature support */ + bool wbrf_supported; + struct notifier_block wbrf_notifier; }; struct i2c_adapter; @@ -1356,6 +1362,23 @@ struct pptable_funcs { * @init_pptable_microcode: Prepare the pptable microcode to upload via PSP */ int (*init_pptable_microcode)(struct smu_context *smu); + + /** + * @is_asic_wbrf_supported: check whether PMFW supports the wbrf feature + */ + bool (*is_asic_wbrf_supported)(struct smu_context *smu); + + /** + * @enable_uclk_shadow: Enable the uclk shadow feature on wbrf supported + */ + int (*enable_uclk_shadow)(struct smu_context *smu, + bool enablement); + + /** + * @set_wbrf_exclusion_ranges: notify SMU the wifi bands occupied + */ + int (*set_wbrf_exclusion_ranges)(struct smu_context *smu, + struct exclusion_range *exclusion_ranges); }; typedef enum { diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_internal.h b/drivers/gpu/drm/amd/pm/swsmu/smu_internal.h index ceb13c838067..67d7495ab49e 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_internal.h +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_internal.h @@ -97,6 +97,9 @@ #define smu_get_default_config_table_settings(smu, config_table) smu_ppt_funcs(get_default_config_table_settings, -EOPNOTSUPP, smu, config_table) #define smu_set_config_table(smu, config_table) smu_ppt_funcs(set_config_table, -EOPNOTSUPP, smu, config_table) #define smu_init_pptable_microcode(smu) smu_ppt_funcs(init_pptable_microcode, 0, smu) +#define smu_is_asic_wbrf_supported(smu) smu_ppt_funcs(is_asic_wbrf_supported, false, smu) +#define smu_enable_uclk_shadow(smu, enablement) smu_ppt_funcs(enable_uclk_shadow, 0, smu, enablement) +#define smu_set_wbrf_exclusion_ranges(smu, exclusion_ranges) smu_ppt_funcs(set_wbrf_exclusion_ranges, -EOPNOTSUPP, smu, exclusion_ranges) #endif #endif