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drm/amd/pm: update smartshift powerboost calc for smu12 

smartshift apu and dgpu power boost are reported as percentage with
respect to their power limits. This value[0-100] reflects the boost
for the respective device.

Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sathishkumar S 2022-05-11 16:06:12 +05:30 коммит произвёл Alex Deucher
Родитель 7226f40af6
Коммит 138292f1dc
1 изменённых файлов: 44 добавлений и 16 удалений
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60
drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
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@ -1119,6 +1119,39 @@ static int renoir_get_power_profile_mode(struct smu_context *smu,
return size;
}
static void renoir_get_ss_power_percent(SmuMetrics_t *metrics,
uint32_t *apu_percent, uint32_t *dgpu_percent)
{
uint32_t apu_boost = 0;
uint32_t dgpu_boost = 0;
uint16_t apu_limit = 0;
uint16_t dgpu_limit = 0;
uint16_t apu_power = 0;
uint16_t dgpu_power = 0;
apu_power = metrics->ApuPower;
apu_limit = metrics->StapmOriginalLimit;
if (apu_power > apu_limit && apu_limit != 0)
apu_boost = ((apu_power - apu_limit) * 100) / apu_limit;
apu_boost = (apu_boost > 100) ? 100 : apu_boost;
dgpu_power = metrics->dGpuPower;
if (metrics->StapmCurrentLimit > metrics->StapmOriginalLimit)
dgpu_limit = metrics->StapmCurrentLimit - metrics->StapmOriginalLimit;
if (dgpu_power > dgpu_limit && dgpu_limit != 0)
dgpu_boost = ((dgpu_power - dgpu_limit) * 100) / dgpu_limit;
dgpu_boost = (dgpu_boost > 100) ? 100 : dgpu_boost;
if (dgpu_boost >= apu_boost)
apu_boost = 0;
else
dgpu_boost = 0;
*apu_percent = apu_boost;
*dgpu_percent = dgpu_boost;
}
static int renoir_get_smu_metrics_data(struct smu_context *smu,
MetricsMember_t member,
uint32_t *value)
@ -1127,6 +1160,9 @@ static int renoir_get_smu_metrics_data(struct smu_context *smu,
SmuMetrics_t *metrics = (SmuMetrics_t *)smu_table->metrics_table;
int ret = 0;
uint32_t apu_percent = 0;
uint32_t dgpu_percent = 0;
ret = smu_cmn_get_metrics_table(smu,
NULL,
@ -1171,26 +1207,18 @@ static int renoir_get_smu_metrics_data(struct smu_context *smu,
*value = metrics->Voltage[1];
break;
case METRICS_SS_APU_SHARE:
/* return the percentage of APU power with respect to APU's power limit.
* percentage is reported, this isn't boost value. Smartshift power
* boost/shift is only when the percentage is more than 100.
/* return the percentage of APU power boost
* with respect to APU's power limit.
*/
if (metrics->StapmOriginalLimit > 0)
*value = (metrics->ApuPower * 100) / metrics->StapmOriginalLimit;
else
*value = 0;
renoir_get_ss_power_percent(metrics, &apu_percent, &dgpu_percent);
*value = apu_percent;
break;
case METRICS_SS_DGPU_SHARE:
/* return the percentage of dGPU power with respect to dGPU's power limit.
* percentage is reported, this isn't boost value. Smartshift power
* boost/shift is only when the percentage is more than 100.
/* return the percentage of dGPU power boost
* with respect to dGPU's power limit.
*/
if ((metrics->dGpuPower > 0) &&
(metrics->StapmCurrentLimit > metrics->StapmOriginalLimit))
*value = (metrics->dGpuPower * 100) /
(metrics->StapmCurrentLimit - metrics->StapmOriginalLimit);
else
*value = 0;
renoir_get_ss_power_percent(metrics, &apu_percent, &dgpu_percent);
*value = dgpu_percent;
break;
default:
*value = UINT_MAX;