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i.MX6QP - GPU Thermal Management not working

Question asked by Andrzej Dziedzic on Feb 15, 2016
Latest reply on Mar 8, 2016 by Andrzej Dziedzic
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I'm testing GPU thermal management on SABRE automotive board. To test it I lowered the trip point 0 as below:


echo 25000 > /sys/devices/virtual/thermal/thermal_zone0/trip_point_0_temp


As a result I saw the log:


System is too hot. GPU3D will work at 3/64 clock.


...but the GPU still seems to work at full speed, graphic benchmarks still works at the same speed.

Am I doing something wrong? I tested it in Android 5.1.1_2.0.0 and 5.1.1_2.1.0 releases.


Best regards,