Commit 971df65c authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher

drm/amd/pm: avoid false alarm due to confusing softwareshutdowntemp setting

Normally softwareshutdowntemp should be greater than Thotspotlimit.
However, on some VEGA10 ASIC, the softwareshutdowntemp is 91C while
Thotspotlimit is 105C. This seems not right and may trigger some
false alarms.
Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 7c62235b
......@@ -374,8 +374,18 @@ static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
/* compare them in unit celsius degree */
if (low < range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)
low = range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
if (high > tdp_table->usSoftwareShutdownTemp)
high = tdp_table->usSoftwareShutdownTemp;
/*
* As a common sense, usSoftwareShutdownTemp should be bigger
* than ThotspotLimit. For any invalid usSoftwareShutdownTemp,
* we will just use the max possible setting VEGA10_THERMAL_MAXIMUM_ALERT_TEMP
* to avoid false alarms.
*/
if ((tdp_table->usSoftwareShutdownTemp >
range->hotspot_crit_max / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)) {
if (high > tdp_table->usSoftwareShutdownTemp)
high = tdp_table->usSoftwareShutdownTemp;
}
if (low > high)
return -EINVAL;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment