| Message ID | 20230616065757.1054422-8-evan.quan@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Support Wifi RFI interference mitigation feature | expand |
On 6/16/23 01:57, Evan Quan wrote: > Fulfill the SMU13.0.7 support for Wifi RFI mitigation feature. > > Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> > --- > .../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 98a33f8ee209..16c1c04e2034 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 +1726,57 @@ 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, > @@ -1786,6 +1842,9 @@ 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)
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..16c1c04e2034 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 +1726,57 @@ 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, @@ -1786,6 +1842,9 @@ 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)
Fulfill the SMU13.0.7 support for Wifi RFI mitigation feature. Signed-off-by: Evan Quan <evan.quan@amd.com> --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+)