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drm/amd/powerplay: disable FFC.

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SMC need use VBI signal for MCLK switching
Send 2 x frame time as vbi timeout

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-06-23 11:05:00 +08:00 committed by Alex Deucher
parent 02bae045f3
commit 83a7af6dcf
3 changed files with 24 additions and 5 deletions
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26
drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
View file

@ -1805,6 +1805,7 @@ static int polaris10_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr)
data->smc_state_table.Sclk_voltageOffset[i] = volt_offset;
}
data->smc_state_table.LdoRefSel = (table_info->cac_dtp_table->ucCKS_LDO_REFSEL != 0) ? table_info->cac_dtp_table->ucCKS_LDO_REFSEL : 6;
/* Populate CKS Lookup Table */
if (stretch_amount == 1 || stretch_amount == 2 || stretch_amount == 5)
stretch_amount2 = 0;
@ -2487,6 +2488,8 @@ int polaris10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable VR hot GPIO interrupt!", result = tmp_result);
smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)PPSMC_HasDisplay);
tmp_result = polaris10_enable_sclk_control(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable SCLK control!", result = tmp_result);
@ -4359,6 +4362,15 @@ static int polaris10_notify_link_speed_change_after_state_change(
return 0;
}
static int polaris10_notify_smc_display(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
(PPSMC_Msg)PPSMC_MSG_SetVBITimeout, data->frame_time_x2);
return (smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)PPSMC_HasDisplay) == 0) ? 0 : -EINVAL;
}
static int polaris10_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
{
int tmp_result, result = 0;
@ -4407,6 +4419,11 @@ static int polaris10_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *i
"Failed to program memory timing parameters!",
result = tmp_result);
tmp_result = polaris10_notify_smc_display(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to notify smc display settings!",
result = tmp_result);
tmp_result = polaris10_unfreeze_sclk_mclk_dpm(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to unfreeze SCLK MCLK DPM!",
@ -4441,6 +4458,7 @@ static int polaris10_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_
PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);
}
int polaris10_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display)
{
PPSMC_Msg msg = has_display ? (PPSMC_Msg)PPSMC_HasDisplay : (PPSMC_Msg)PPSMC_NoDisplay;
@ -4460,8 +4478,6 @@ int polaris10_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwm
if (num_active_displays > 1) /* to do && (pHwMgr->pPECI->displayConfiguration.bMultiMonitorInSync != TRUE)) */
polaris10_notify_smc_display_change(hwmgr, false);
else
polaris10_notify_smc_display_change(hwmgr, true);
return 0;
}
@ -4502,6 +4518,8 @@ int polaris10_program_display_gap(struct pp_hwmgr *hwmgr)
frame_time_in_us = 1000000 / refresh_rate;
pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us;
data->frame_time_x2 = frame_time_in_us * 2 / 100;
display_gap2 = pre_vbi_time_in_us * (ref_clock / 100);
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL2, display_gap2);
@ -4510,8 +4528,6 @@ int polaris10_program_display_gap(struct pp_hwmgr *hwmgr)
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start + offsetof(SMU74_SoftRegisters, VBlankTimeout), (frame_time_in_us - pre_vbi_time_in_us));
polaris10_notify_smc_display_change(hwmgr, num_active_displays != 0);
return 0;
}
@ -4623,7 +4639,7 @@ int polaris10_upload_mc_firmware(struct pp_hwmgr *hwmgr)
return 0;
}
data->need_long_memory_training = true;
data->need_long_memory_training = false;
/*
* PPMCME_FirmwareDescriptorEntry *pfd = NULL;

1
drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.h
View file

@ -315,6 +315,7 @@ struct polaris10_hwmgr {
uint32_t avfs_vdroop_override_setting;
bool apply_avfs_cks_off_voltage;
uint32_t frame_time_x2;
};
/* To convert to Q8.8 format for firmware */

2
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
View file

@ -411,6 +411,8 @@ struct phm_cac_tdp_table {
uint8_t ucVr_I2C_Line;
uint8_t ucPlx_I2C_address;
uint8_t ucPlx_I2C_Line;
uint32_t usBoostPowerLimit;
uint8_t ucCKS_LDO_REFSEL;
};
struct phm_ppm_table {