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drm/amdgpu/powerplay: enable LEDs on Fiji boards

Browse source 
This enables the LEDs that light up based on DPM states
on some Fiji boards.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=97590

Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-02-22 11:20:17 -05:00
parent ea323f88a2
commit 7bb0613ebb
2 changed files with 35 additions and 0 deletions
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1
drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h
View file

@ -377,6 +377,7 @@ typedef uint16_t PPSMC_Result;
#define PPSMC_MSG_DisableAvfs ((uint16_t) 0x26B)
#define PPSMC_MSG_PerformBtc ((uint16_t) 0x26C)
#define PPSMC_MSG_LedConfig ((uint16_t) 0x274)
#define PPSMC_MSG_VftTableIsValid ((uint16_t) 0x275)
#define PPSMC_MSG_UseNewGPIOScheme ((uint16_t) 0x277)
#define PPSMC_MSG_GetEnabledPsm ((uint16_t) 0x400)

34
drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
View file

@ -1758,6 +1758,36 @@ static int fiji_save_default_power_profile(struct pp_hwmgr *hwmgr)
return 0;
}
static int fiji_setup_dpm_led_config(struct pp_hwmgr *hwmgr)
{
pp_atomctrl_voltage_table param_led_dpm;
int result = 0;
u32 mask = 0;
result = atomctrl_get_voltage_table_v3(hwmgr,
VOLTAGE_TYPE_LEDDPM, VOLTAGE_OBJ_GPIO_LUT,
&param_led_dpm);
if (result == 0) {
int i, j;
u32 tmp = param_led_dpm.mask_low;
for (i = 0, j = 0; i < 32; i++) {
if (tmp & 1) {
mask |= (i << (8 * j));
if (++j >= 3)
break;
}
tmp >>= 1;
}
}
if (mask)
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_LedConfig,
mask);
return 0;
}
/**
* Initializes the SMC table and uploads it
*
@ -1972,6 +2002,10 @@ int fiji_init_smc_table(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(0 == result,
"Failed to populate PM fuses to SMC memory!", return result);
result = fiji_setup_dpm_led_config(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to setup dpm led config", return result);
fiji_save_default_power_profile(hwmgr);
return 0;