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Message-ID: <20231030071832.2217118-9-Jun.Ma2@amd.com> Date: Mon, 30 Oct 2023 15:18:31 +0800 From: Ma Jun <Jun.Ma2@....com> To: <amd-gfx@...ts.freedesktop.org>, <lenb@...nel.org>, <johannes@...solutions.net>, <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <alexander.deucher@....com>, <Lijo.Lazar@....com>, <mario.limonciello@....com>, <netdev@...r.kernel.org>, <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>, <platform-driver-x86@...r.kernel.org> CC: <majun@....com>, Ma Jun <Jun.Ma2@....com>, Evan Quan <quanliangl@...mail.com> Subject: [Patch v13 8/9] drm/amd/pm: enable Wifi RFI mitigation feature support for SMU13.0.0 Fulfill the SMU13.0.0 support for Wifi RFI mitigation feature. Co-developed-by: Evan Quan <quanliangl@...mail.com> Signed-off-by: Evan Quan <quanliangl@...mail.com> Reviewed-by: Mario Limonciello <mario.limonciello@....com> Signed-off-by: Ma Jun <Jun.Ma2@....com> -- v10->v11: - downgrade the prompt level on message failure(Lijo) v13: - Fix the format issue (IIpo Jarvinen) - Move function smu_v13_0_0_set_wbrf_exclusion_ranges to smu_v13_0.c as a generic code for later use (IIpo Jarvinen) --- drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 2 + drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h | 3 +- drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h | 4 ++ .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 48 +++++++++++++++++++ .../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 22 +++++++++ 5 files changed, 78 insertions(+), 1 deletion(-) 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 5e62b7474c20..4e8aacf9f6e6 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -23,6 +23,7 @@ #define __AMDGPU_SMU_H__ #include <linux/acpi_amd_wbrf.h> +#include <linux/units.h> #include "amdgpu.h" #include "kgd_pp_interface.h" @@ -319,6 +320,7 @@ enum smu_table_id { SMU_TABLE_PACE, SMU_TABLE_ECCINFO, SMU_TABLE_COMBO_PPTABLE, + SMU_TABLE_WIFIBAND, SMU_TABLE_COUNT, }; diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h index e57265cf637c..2ea840534aad 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h @@ -247,7 +247,8 @@ __SMU_DUMMY_MAP(Mode2Reset), \ __SMU_DUMMY_MAP(RequestI2cTransaction), \ __SMU_DUMMY_MAP(GetMetricsTable), \ - __SMU_DUMMY_MAP(DALNotPresent), + __SMU_DUMMY_MAP(DALNotPresent), \ + __SMU_DUMMY_MAP(EnableUCLKShadow), #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(type) SMU_MSG_##type diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h index 355c156d871a..74272fa87669 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h @@ -299,5 +299,9 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu, uint32_t pcie_gen_cap, uint32_t pcie_width_cap); +int smu_v13_0_enable_uclk_shadow(struct smu_context *smu, bool enable); + +int smu_v13_0_set_wbrf_exclusion_ranges(struct smu_context *smu, + struct freq_band_range *exclusion_ranges); #endif #endif diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 0232adb95df3..438eceec01b2 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -2466,3 +2466,51 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu, return 0; } + +int smu_v13_0_enable_uclk_shadow(struct smu_context *smu, bool enable) +{ + return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_EnableUCLKShadow, enable, NULL); +} + +int smu_v13_0_set_wbrf_exclusion_ranges(struct smu_context *smu, + struct freq_band_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_PER_MHZ); + wifi_bands.WifiBandEntry[valid_entries++].HighFreq = + DIV_ROUND_UP_ULL(exclusion_ranges[i].end, HZ_PER_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, &wifi_bands, true); + if (ret) + dev_warn(smu->adev->dev, "Failed to set wifiband!"); + + return ret; +} diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c index 3903a47669e4..0b7c25db4d24 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -163,6 +163,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] = MSG_MAP(AllowIHHostInterrupt, PPSMC_MSG_AllowIHHostInterrupt, 0), MSG_MAP(ReenableAcDcInterrupt, PPSMC_MSG_ReenableAcDcInterrupt, 0), MSG_MAP(DALNotPresent, PPSMC_MSG_DALNotPresent, 0), + MSG_MAP(EnableUCLKShadow, PPSMC_MSG_EnableUCLKShadow, 0), }; static struct cmn2asic_mapping smu_v13_0_0_clk_map[SMU_CLK_COUNT] = { @@ -246,6 +247,7 @@ static struct cmn2asic_mapping smu_v13_0_0_table_map[SMU_TABLE_COUNT] = { TAB_MAP(I2C_COMMANDS), TAB_MAP(ECCINFO), TAB_MAP(OVERDRIVE), + TAB_MAP(WIFIBAND), }; static struct cmn2asic_mapping smu_v13_0_0_pwr_src_map[SMU_POWER_SOURCE_COUNT] = { @@ -505,6 +507,9 @@ static int smu_v13_0_0_tables_init(struct smu_context *smu) PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); SMU_TABLE_INIT(tables, SMU_TABLE_ECCINFO, sizeof(EccInfoTable_t), 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) @@ -2609,6 +2614,20 @@ static ssize_t smu_v13_0_0_get_ecc_info(struct smu_context *smu, return ret; } +static bool smu_v13_0_0_wbrf_support_check(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + + switch (adev->ip_versions[MP1_HWIP][0]) { + case IP_VERSION(13, 0, 0): + return smu->smc_fw_version >= 0x004e6300; + case IP_VERSION(13, 0, 10): + return smu->smc_fw_version >= 0x00503300; + default: + return false; + } +} + static const struct pptable_funcs smu_v13_0_0_ppt_funcs = { .get_allowed_feature_mask = smu_v13_0_0_get_allowed_feature_mask, .set_default_dpm_table = smu_v13_0_0_set_default_dpm_table, @@ -2689,6 +2708,9 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = { .gpo_control = smu_v13_0_gpo_control, .get_ecc_info = smu_v13_0_0_get_ecc_info, .notify_display_change = smu_v13_0_notify_display_change, + .is_asic_wbrf_supported = smu_v13_0_0_wbrf_support_check, + .enable_uclk_shadow = smu_v13_0_enable_uclk_shadow, + .set_wbrf_exclusion_ranges = smu_v13_0_set_wbrf_exclusion_ranges, }; void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu) -- 2.34.1
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