From 201cd702b7012ecee2a613e09b6a227ca0e12504 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 22 Jul 2019 09:55:36 +0800 Subject: drm/amd/powerplay: support VCN powergate status retrieval on Raven Enable VCN powergate status report on Raven. Signed-off-by: Evan Quan Reviewed-by: Kenneth Feng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/gpu') diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c index e32ae9d3373c..18e780f566fa 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c @@ -1111,6 +1111,7 @@ static int smu10_thermal_get_temperature(struct pp_hwmgr *hwmgr) static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx, void *value, int *size) { + struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); uint32_t sclk, mclk; int ret = 0; @@ -1132,6 +1133,10 @@ static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx, case AMDGPU_PP_SENSOR_GPU_TEMP: *((uint32_t *)value) = smu10_thermal_get_temperature(hwmgr); break; + case AMDGPU_PP_SENSOR_VCN_POWER_STATE: + *(uint32_t *)value = smu10_data->vcn_power_gated ? 0 : 1; + *size = 4; + break; default: ret = -EINVAL; break; @@ -1175,18 +1180,22 @@ static int smu10_powergate_sdma(struct pp_hwmgr *hwmgr, bool gate) static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate) { + struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend); + if (bgate) { amdgpu_device_ip_set_powergating_state(hwmgr->adev, AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_GATE); smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PowerDownVcn, 0); + smu10_data->vcn_power_gated = true; } else { smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PowerUpVcn, 0); amdgpu_device_ip_set_powergating_state(hwmgr->adev, AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_UNGATE); + smu10_data->vcn_power_gated = false; } } -- cgit v1.2.3