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drm/amd/powerplay: implement gpu power display for smu7_hwmgr 

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2017-02-07 11:46:21 -05:00 committed by Alex Deucher
parent 4f9afc9bd2
commit 2245b60f9c
1 changed files with 33 additions and 0 deletions
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33
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
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@ -3289,6 +3289,37 @@ static int smu7_get_pp_table_entry(struct pp_hwmgr *hwmgr,
return 0;
}
static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr,
struct pp_gpu_power *query)
{
PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr->smumgr,
PPSMC_MSG_PmStatusLogStart),
"Failed to start pm status log!",
return -1);
msleep_interruptible(2000);
PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr->smumgr,
PPSMC_MSG_PmStatusLogSample),
"Failed to sample pm status log!",
return -1);
query->vddc_power = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC,
ixSMU_PM_STATUS_40);
query->vddci_power = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC,
ixSMU_PM_STATUS_49);
query->max_gpu_power = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC,
ixSMU_PM_STATUS_94);
query->average_gpu_power = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC,
ixSMU_PM_STATUS_95);
return 0;
}
static int smu7_read_sensor(struct pp_hwmgr *hwmgr, int idx, void *value)
{
uint32_t sclk, mclk, activity_percent;
@ -3325,6 +3356,8 @@ static int smu7_read_sensor(struct pp_hwmgr *hwmgr, int idx, void *value)
case AMDGPU_PP_SENSOR_VCE_POWER:
*((uint32_t *)value) = data->vce_power_gated ? 0 : 1;
return 0;
case AMDGPU_PP_SENSOR_GPU_POWER:
return smu7_get_gpu_power(hwmgr, (struct pp_gpu_power *)value);
default:
return -EINVAL;
}