In ubuntu, thinkpadT60PGPU is cooled down by T60P15-inch high-resolution (1600x1200) independent professional graphics card ATIFireGLV5200Ubuntu. This GPU is very hot, and it can be burned out in the air. You want to lower the gpu frequency. Google... in ubuntu, thinkpad T60P GPU is cooled down by T60P 15-inch high resolution (1600x1200) independent professional graphics card ATI FireGL V5200 Ubuntu. This GPU is very popular and can be used for barbecue, there is a possibility of burning your leg. You want to lower the gpu frequency. Find the following method after google. First, su is root (root permission is required for the following operations) 1 sudo su and then 1 echo mid>/sys/class/drm/card0/device/power_profile to use low, run at a lower frequency. The result is flushed and changed to mid. View result 1: mount none/sys/kernel/debug/-t debugfs2cat/sys/kernel/debug/dri/0/radeon_pm_info displays the following results (GPU half-speed running) 1 default engine clock: 400000 kHz2current engine clock: 209250 kHz3default memory clock: 330000 kHz4current memory clock: 135000 kHz5PCIE lanes: 1 after several minutes, the GPU region temperature decreases significantly. The air outlet temperature is also reduced a lot. This operation is automatically performed after the instance is started. Add the following code to 1vi/etc/rc. local: 1 echo mid>/sys/class/drm/card0/device/power_profile.
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