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Mon, 29 May 2023 21:44:06 -0500 From: Evan Quan To: , , , , , , , , , , , , , , , , , CC: , , , , , , Subject: [PATCH 9/9] drm/amd/pm: enable Wifi RFI mitigation feature support for SMU13.0.7 Date: Tue, 30 May 2023 10:42:27 +0800 Message-ID: <20230530024227.2139632-10-evan.quan@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230530024227.2139632-1-evan.quan@amd.com> References: <20230530024227.2139632-1-evan.quan@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: BN8NAM11FT029:EE_|CY8PR12MB7492:EE_ X-MS-Office365-Filtering-Correlation-Id: cd9173ad-4b57-4c6f-6f8b-08db60b7c071 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:(13230028)(4636009)(396003)(39860400002)(136003)(346002)(376002)(451199021)(46966006)(40470700004)(36840700001)(40460700003)(47076005)(83380400001)(2616005)(426003)(336012)(2906002)(16526019)(186003)(40480700001)(36756003)(82740400003)(356005)(81166007)(921005)(36860700001)(8936002)(8676002)(7416002)(5660300002)(86362001)(478600001)(6636002)(4326008)(70586007)(70206006)(41300700001)(7696005)(316002)(6666004)(26005)(1076003)(110136005)(82310400005)(44832011)(54906003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 May 2023 02:44:12.6529 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cd9173ad-4b57-4c6f-6f8b-08db60b7c071 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: BN8NAM11FT029.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7492 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED 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-wireless@vger.kernel.org Fulfill the SMU13.0.7 support for Wifi RFI mitigation feature. Signed-off-by: Evan Quan -- v1->v2: - check wbrf support using pmfw version(Lijo) v2->v3: - some minor fixes(Mario) --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c index 98a33f8ee209..d885f20e33d7 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c @@ -125,6 +125,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_7_message_map[SMU_MSG_MAX_COUNT] = MSG_MAP(ArmD3, PPSMC_MSG_ArmD3, 0), MSG_MAP(AllowGpo, PPSMC_MSG_SetGpoAllow, 0), MSG_MAP(GetPptLimit, PPSMC_MSG_GetPptLimit, 0), + MSG_MAP(EnableUCLKShadow, PPSMC_MSG_EnableUCLKShadow, 0), }; static struct cmn2asic_mapping smu_v13_0_7_clk_map[SMU_CLK_COUNT] = { @@ -205,6 +206,7 @@ static struct cmn2asic_mapping smu_v13_0_7_table_map[SMU_TABLE_COUNT] = { TAB_MAP(DRIVER_SMU_CONFIG), TAB_MAP(ACTIVITY_MONITOR_COEFF), [SMU_TABLE_COMBO_PPTABLE] = {1, TABLE_COMBO_PPTABLE}, + TAB_MAP(WIFIBAND), }; static struct cmn2asic_mapping smu_v13_0_7_pwr_src_map[SMU_POWER_SOURCE_COUNT] = { @@ -487,6 +489,9 @@ static int smu_v13_0_7_tables_init(struct smu_context *smu) AMDGPU_GEM_DOMAIN_VRAM); SMU_TABLE_INIT(tables, SMU_TABLE_COMBO_PPTABLE, MP0_MP1_DATA_REGION_SIZE_COMBOPPTABLE, PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); + SMU_TABLE_INIT(tables, SMU_TABLE_WIFIBAND, + sizeof(WifiBandEntryTable_t), PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM); smu_table->metrics_table = kzalloc(sizeof(SmuMetricsExternal_t), GFP_KERNEL); if (!smu_table->metrics_table) @@ -1721,6 +1726,59 @@ static int smu_v13_0_7_set_df_cstate(struct smu_context *smu, NULL); } +static bool smu_v13_0_7_wbrf_support_check(struct smu_context *smu) +{ + return smu->smc_fw_version > 0x00524600; +} + +static int smu_v13_0_7_set_wbrf_exclusion_ranges(struct smu_context *smu, + struct exclusion_range *exclusion_ranges) +{ + WifiBandEntryTable_t wifi_bands; + uint64_t start_rounddown; + uint64_t end_roundup; + int valid_entries = 0; + int ret, i; + + memset(&wifi_bands, 0, sizeof(wifi_bands)); + for (i = 0; i < ARRAY_SIZE(wifi_bands.WifiBandEntry); i++) { + if (!exclusion_ranges[i].start && + !exclusion_ranges[i].end) + break; + + start_rounddown = rounddown(exclusion_ranges[i].start, HZ_IN_MHZ); + end_roundup = roundup(exclusion_ranges[i].end, HZ_IN_MHZ); + /* PMFW expects the inputs to be in Mhz unit */ + wifi_bands.WifiBandEntry[valid_entries].LowFreq = HZ_TO_MHZ(start_rounddown); + wifi_bands.WifiBandEntry[valid_entries++].HighFreq = HZ_TO_MHZ(end_roundup); + } + wifi_bands.WifiBandEntryNum = valid_entries; + + /* + * Per confirm with PMFW team, WifiBandEntryNum = 0 is a valid setting. + * Considering the scenarios below: + * - At first the wifi device adds an exclusion range e.g. (2400,2500) to + * BIOS and our driver gets notified. We will set WifiBandEntryNum = 1 + * and pass the WifiBandEntry (2400, 2500) to PMFW. + * + * - Later the wifi device removes the wifiband list added above and + * our driver gets notified again. At this time, driver will set + * WifiBandEntryNum = 0 and pass an empty WifiBandEntry list to PMFW. + * - PMFW may still need to do some uclk shadow update(e.g. switching + * from shadow clock back to primary clock) on receiving this. + */ + + ret = smu_cmn_update_table(smu, + SMU_TABLE_WIFIBAND, + 0, + (void *)(&wifi_bands), + true); + if (ret) + dev_err(smu->adev->dev, "Failed to set wifiband!"); + + return ret; +} + static const struct pptable_funcs smu_v13_0_7_ppt_funcs = { .get_allowed_feature_mask = smu_v13_0_7_get_allowed_feature_mask, .set_default_dpm_table = smu_v13_0_7_set_default_dpm_table, @@ -1786,6 +1844,9 @@ static const struct pptable_funcs smu_v13_0_7_ppt_funcs = { .set_mp1_state = smu_v13_0_7_set_mp1_state, .set_df_cstate = smu_v13_0_7_set_df_cstate, .gpo_control = smu_v13_0_gpo_control, + .is_asic_wbrf_supported = smu_v13_0_7_wbrf_support_check, + .enable_uclk_shadow = smu_v13_0_enable_uclk_shadow, + .set_wbrf_exclusion_ranges = smu_v13_0_7_set_wbrf_exclusion_ranges, }; void smu_v13_0_7_set_ppt_funcs(struct smu_context *smu) -- 2.34.1