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drm/amd/powerplay: avoid frequent metrics table export

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That's unnecessary. Also it makes more sense to show all the clocks
on one metrics table export.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-01-24 17:55:39 +08:00 committed by Alex Deucher
parent 28e732dcd4
commit 9e75f709fa
2 changed files with 33 additions and 13 deletions
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43
drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
View File

@ -1958,16 +1958,36 @@ static uint32_t vega20_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
return (mem_clk * 100);
}
static int vega20_get_metrics_table(struct pp_hwmgr *hwmgr, SmuMetrics_t *metrics_table)
{
struct vega20_hwmgr *data =
(struct vega20_hwmgr *)(hwmgr->backend);
int ret = 0;
if (!data->metrics_time || time_after(jiffies, data->metrics_time + HZ / 2)) {
ret = smum_smc_table_manager(hwmgr, (uint8_t *)metrics_table,
TABLE_SMU_METRICS, true);
if (ret) {
pr_info("Failed to export SMU metrics table!\n");
return ret;
}
memcpy(&data->metrics_table, metrics_table, sizeof(SmuMetrics_t));
data->metrics_time = jiffies;
} else
memcpy(metrics_table, &data->metrics_table, sizeof(SmuMetrics_t));
return ret;
}
static int vega20_get_gpu_power(struct pp_hwmgr *hwmgr,
uint32_t *query)
{
int ret = 0;
SmuMetrics_t metrics_table;
ret = smum_smc_table_manager(hwmgr, (uint8_t *)&metrics_table, TABLE_SMU_METRICS, true);
PP_ASSERT_WITH_CODE(!ret,
"Failed to export SMU METRICS table!",
return ret);
ret = vega20_get_metrics_table(hwmgr, &metrics_table);
if (ret)
return ret;
*query = metrics_table.CurrSocketPower << 8;
@ -1998,10 +2018,9 @@ static int vega20_get_current_activity_percent(struct pp_hwmgr *hwmgr,
int ret = 0;
SmuMetrics_t metrics_table;
ret = smum_smc_table_manager(hwmgr, (uint8_t *)&metrics_table, TABLE_SMU_METRICS, true);
PP_ASSERT_WITH_CODE(!ret,
"Failed to export SMU METRICS table!",
return ret);
ret = vega20_get_metrics_table(hwmgr, &metrics_table);
if (ret)
return ret;
*activity_percent = metrics_table.AverageGfxActivity;
@ -2019,11 +2038,9 @@ static int vega20_read_sensor(struct pp_hwmgr *hwmgr, int idx,
switch (idx) {
case AMDGPU_PP_SENSOR_GFX_SCLK:
ret = smum_smc_table_manager(hwmgr, (uint8_t *)&metrics_table,
TABLE_SMU_METRICS, true);
PP_ASSERT_WITH_CODE(!ret,
"Failed to export SMU METRICS table!",
return ret);
ret = vega20_get_metrics_table(hwmgr, &metrics_table);
if (ret)
return ret;
*((uint32_t *)value) = metrics_table.AverageGfxclkFrequency * 100;
*size = 4;

3
drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
View File

@ -520,6 +520,9 @@ struct vega20_hwmgr {
/* ---- Gfxoff ---- */
bool gfxoff_allowed;
uint32_t counter_gfxoff;
unsigned long metrics_time;
SmuMetrics_t metrics_table;
};
#define VEGA20_DPM2_NEAR_TDP_DEC 10