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 Signed-off-by: Alex Deucher <alexander.deucher at amd.com> --- drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h | 1 + drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c | 34 +++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h index fbc504c..62f36ba 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h +++ b/drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h @@ -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) diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c index 0f7a77b..1a9ab43 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c @@ -1721,6 +1721,35 @@ static int fiji_init_arb_table_index(struct pp_smumgr *smumgr) smu_data->smu7_data.arb_table_start, tmp, SMC_RAM_END); } +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, + ¶m_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 * @@ -1934,6 +1963,11 @@ int fiji_init_smc_table(struct pp_hwmgr *hwmgr) result = fiji_populate_pm_fuses(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); + return 0; } -- 2.5.5
