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Thu, 10 Aug 2023 02:41:51 -0500 From: Evan Quan To: , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Evan Quan , Mario Limonciello Subject: [PATCH V8 9/9] drm/amd/pm: enable Wifi RFI mitigation feature support for SMU13.0.7 Date: Thu, 10 Aug 2023 15:38:03 +0800 Message-ID: <20230810073803.1643451-10-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: CY4PEPF0000E9D3:EE_|SN7PR12MB7882:EE_ X-MS-Office365-Filtering-Correlation-Id: 2645e1bb-d213-46b1-e026-08db997547da 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)(39860400002)(346002)(396003)(376002)(136003)(186006)(1800799006)(82310400008)(451199021)(36840700001)(40470700004)(46966006)(40460700003)(40480700001)(1076003)(70206006)(54906003)(16526019)(26005)(336012)(478600001)(6666004)(110136005)(36756003)(70586007)(83380400001)(47076005)(426003)(2616005)(36860700001)(41300700001)(316002)(44832011)(7416002)(7696005)(4326008)(2906002)(86362001)(921005)(81166007)(5660300002)(8936002)(356005)(82740400003)(8676002)(2101003)(36900700001)(83996005);DIR:OUT;SFP:1101; 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Signed-off-by: Evan Quan Reviewed-by: Mario Limonciello --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 59 +++++++++++++++++++ 1 file changed, 59 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 b1f0937ccade..d02fe284b05d 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 @@ -126,6 +126,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_7_message_map[SMU_MSG_MAX_COUNT] = MSG_MAP(AllowGpo, PPSMC_MSG_SetGpoAllow, 0), MSG_MAP(GetPptLimit, PPSMC_MSG_GetPptLimit, 0), MSG_MAP(NotifyPowerSource, PPSMC_MSG_NotifyPowerSource, 0), + MSG_MAP(EnableUCLKShadow, PPSMC_MSG_EnableUCLKShadow, 0), }; static struct cmn2asic_mapping smu_v13_0_7_clk_map[SMU_CLK_COUNT] = { @@ -207,6 +208,7 @@ static struct cmn2asic_mapping smu_v13_0_7_table_map[SMU_TABLE_COUNT] = { TAB_MAP(ACTIVITY_MONITOR_COEFF), [SMU_TABLE_COMBO_PPTABLE] = {1, TABLE_COMBO_PPTABLE}, TAB_MAP(OVERDRIVE), + TAB_MAP(WIFIBAND), }; static struct cmn2asic_mapping smu_v13_0_7_pwr_src_map[SMU_POWER_SOURCE_COUNT] = { @@ -497,6 +499,9 @@ 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) @@ -2173,6 +2178,57 @@ 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; + 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; + + /* PMFW expects the inputs to be in Mhz unit */ + wifi_bands.WifiBandEntry[valid_entries].LowFreq = + DIV_ROUND_DOWN_ULL(exclusion_ranges[i].start, HZ_IN_MHZ); + wifi_bands.WifiBandEntry[valid_entries++].HighFreq = + DIV_ROUND_UP_ULL(exclusion_ranges[i].end, HZ_IN_MHZ); + } + 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, @@ -2241,6 +2297,9 @@ 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)