Ok, here is the easy way for everyone to change the gpu clocks through init.d scripts now. The gpu_oc file has become read only since kernel #177, so I had to change the script to keep the settings stick after a reboot.It took me a while to figure...
Latest Kernels from alroger 5th of march as flashable zip for CWM. Since I only have a P1000 - I can only test the P1000 version but the others should work fine.
P1000 flashed fine on my Tab...
Here is an init.d script for the new 259 kernel that you can flash through recovery. It will automatically set all the needed permissions.
The script looks like this:
echo '500 500 484 484 380 247' > /sys/devices/system/cpu/cpu0/cpu...
Here's an updated script for kernel 262. This is an flashable zip.
Script looks like this.
echo '416 416 416 416 416 416 247 247' > /sys/devices/system/cpu/cpu0/cpufreq/gpu_oc
#echo '520 520 520 520 492 484 380 247' > /sys/devices/...
I just made a whole collection of flashable scripts. All possible options available at the moment.