Send the VBIOS bootup VDDC as a SOC floor voltage to SMU
before populating the PPTABLE. After DPM is enabled, This
floor voltage will be removed. This will prevent SMC from
going to Vmin upon receiving PPTable causing a violation.
Change-Id: Ieff3c7ffe58b8ec83127d90ca2bb1761a5c71462
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c | 28 ++++++++++++++++++++++
drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h | 15 ++++++++++++
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 25 +++++++++++++++++++
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h | 3 +++
4 files changed, 71 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c
index de3d8f3..5602311 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c
@@ -387,3 +387,31 @@ int pp_atomfwctrl_get_gpio_information(struct pp_hwmgr *hwmgr,
return 0;
}
+
+int pp_atomfwctrl_get_vbios_bootup_values(struct pp_hwmgr *hwmgr,
+ struct pp_atomfwctrl_bios_boot_up_values *boot_values)
+{
+ struct atom_firmware_info_v3_1 *info = NULL;
+ uint16_t ix;
+
+ ix = GetIndexIntoMasterDataTable(firmwareinfo);
+ info = (struct atom_firmware_info_v3_1 *)
+ cgs_atom_get_data_table(hwmgr->device,
+ ix, NULL, NULL, NULL);
+
+ if (!info) {
+ pr_info("Error retrieving BIOS firmwareinfo!");
+ return -EINVAL;
+ }
+
+ boot_values->ulRevision = info->firmware_revision;
+ boot_values->ulGfxClk = info->bootup_sclk_in10khz;
+ boot_values->ulUClk = info->bootup_mclk_in10khz;
+ boot_values->ulSocClk = 0;
+ boot_values->usVddc = info->bootup_vddc_mv;
+ boot_values->usVddci = info->bootup_vddci_mv;
+ boot_values->usMvddc = info->bootup_mvddc_mv;
+ boot_values->usVddGfx = info->bootup_vddgfx_mv;
+
+ return 0;
+}
\ No newline at end of file
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h
index be1579e..43a6711 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h
@@ -119,6 +119,18 @@ struct pp_atomfwctrl_gpio_parameters {
uint8_t ucFwCtfGpio;
uint8_t ucFwCtfPolarity;
};
+
+struct pp_atomfwctrl_bios_boot_up_values {
+ uint32_t ulRevision;
+ uint32_t ulGfxClk;
+ uint32_t ulUClk;
+ uint32_t ulSocClk;
+ uint16_t usVddc;
+ uint16_t usVddci;
+ uint16_t usMvddc;
+ uint16_t usVddGfx;
+};
+
int pp_atomfwctrl_get_gpu_pll_dividers_vega10(struct pp_hwmgr *hwmgr,
uint32_t clock_type, uint32_t clock_value,
struct pp_atomfwctrl_clock_dividers_soc15 *dividers);
@@ -136,5 +148,8 @@ int pp_atomfwctrl_get_avfs_information(struct pp_hwmgr *hwmgr,
int pp_atomfwctrl_get_gpio_information(struct pp_hwmgr *hwmgr,
struct pp_atomfwctrl_gpio_parameters *param);
+int pp_atomfwctrl_get_vbios_bootup_values(struct pp_hwmgr *hwmgr,
+ struct pp_atomfwctrl_bios_boot_up_values *boot_values);
+
#endif
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 68eae52..dbc1c03 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -2298,6 +2298,7 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr)
(struct phm_ppt_v2_information *)(hwmgr->pptable);
PPTable_t *pp_table = &(data->smc_state_table.pp_table);
struct pp_atomfwctrl_voltage_table voltage_table;
+ struct pp_atomfwctrl_bios_boot_up_values boot_up_values;
result = vega10_setup_default_dpm_tables(hwmgr);
PP_ASSERT_WITH_CODE(!result,
@@ -2369,6 +2370,24 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr)
return result);
}
+ result = pp_atomfwctrl_get_vbios_bootup_values(hwmgr, &boot_up_values);
+ if (!result) {
+ data->vbios_boot_state.vddc = boot_up_values.usVddc;
+ data->vbios_boot_state.vddci = boot_up_values.usVddci;
+ data->vbios_boot_state.mvddc = boot_up_values.usMvddc;
+ data->vbios_boot_state.gfx_clock = boot_up_values.ulGfxClk;
+ data->vbios_boot_state.mem_clock = boot_up_values.ulUClk;
+ data->vbios_boot_state.soc_clock = boot_up_values.ulSocClk;
+ if (0 != boot_up_values.usVddc) {
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_SetFloorSocVoltage,
+ (boot_up_values.usVddc * 4));
+ data->vbios_boot_state.bsoc_vddc_lock = true;
+ } else {
+ data->vbios_boot_state.bsoc_vddc_lock = false;
+ }
+ }
+
result = vega10_populate_avfs_parameters(hwmgr);
PP_ASSERT_WITH_CODE(!result,
"Failed to initialize AVFS Parameters!",
@@ -2590,6 +2609,12 @@ static int vega10_start_dpm(struct pp_hwmgr *hwmgr, uint32_t bitmap)
data->smu_features[GNLD_LED_DISPLAY].enabled = true;
}
+ if (data->vbios_boot_state.bsoc_vddc_lock) {
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_SetFloorSocVoltage, 0);
+ data->vbios_boot_state.bsoc_vddc_lock = false;
+ }
+
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_Falcon_QuickTransition)) {
if (data->smu_features[GNLD_ACDC].supported) {
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h
index 83c67b9..1912e08 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h
@@ -177,8 +177,11 @@ struct vega10_dpmlevel_enable_mask {
};
struct vega10_vbios_boot_state {
+ bool bsoc_vddc_lock;
uint16_t vddc;
uint16_t vddci;
+ uint16_t mvddc;
+ uint16_t vdd_gfx;
uint32_t gfx_clock;
uint32_t mem_clock;
uint32_t soc_clock;
--
1.9.1
