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      1 #buller is bullhead & angler  ()
      2 
      3 nr=$(adb shell cat /proc/cpuinfo | grep processor | wc -l)
      4 cpubase=/sys/devices/system/cpu
      5 gov=cpufreq/scaling_governor
      6 
      7 adb root
      8 adb wait-for-device
      9 adb shell stop thermal-engine
     10 adb shell stop perfd
     11 
     12 # LITTLE cores
     13 # 384000 460800 600000 672000 787200 864000 960000 1248000 1440000
     14 # BIG cores
     15 # 384000 480000 633600 768000 864000 960000 1248000 1344000 1440000
     16 # 1536000 1632000 1689600 1824000
     17 
     18 cpu=0
     19 S=960000
     20 while [ $((cpu < 4)) -eq 1 ]; do
     21     echo "Setting cpu $cpu to $S hz"
     22     adb shell "echo 1 > $cpubase/cpu${cpu}/online"
     23     adb shell "echo userspace > $cpubase/cpu${cpu}/$gov"
     24     adb shell "echo $S > $cpubase/cpu${cpu}/cpufreq/scaling_max_freq"
     25     adb shell "echo $S > $cpubase/cpu${cpu}/cpufreq/scaling_min_freq"
     26     adb shell "echo $S > $cpubase/cpu${cpu}/cpufreq/scaling_setspeed"
     27     cpu=$(($cpu + 1))
     28 done
     29 
     30 while [ $((cpu < $nr)) -eq 1 ]; do
     31   echo "disable cpu $cpu"
     32   adb shell "echo 0 > $cpubase/cpu${cpu}/online"
     33   cpu=$(($cpu + 1))
     34 done
     35 
     36 echo "setting GPU bus and idle timer"
     37 adb shell "echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split"
     38 adb shell "echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on"
     39 adb shell "echo 10000 > /sys/class/kgsl/kgsl-3d0/idle_timer"
     40 
     41 # angler: 0 762 1144 1525 2288 3509 4173 5271 5928 7904 9887 11863
     42 adb shell "echo 11863 > /sys/class/devfreq/qcom,gpubw.70/min_freq" &> /dev/null
     43 # bullhead: 0 762 1144 1525 2288 3509 4173 5271 5928 7102
     44 adb shell "echo 7102 > /sys/class/devfreq/qcom,gpubw.19/min_freq" &> /dev/null
     45 
     46 
     47 board=$(adb shell "getprop ro.product.board")
     48 freq=0
     49 if [ "$board" = "bullhead" ]
     50 then
     51     #600000000 490000000 450000000 367000000 300000000 180000000
     52     freq=300000000
     53 else
     54     #600000000 510000000 450000000 390000000 305000000 180000000
     55     freq=305000000
     56 fi
     57 echo "performance mode, $freq Hz"
     58 adb shell "echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor"
     59 adb shell "echo $freq > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq"
     60 adb shell "echo $freq > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq"
     61 
     62 adb shell "echo 4 > /sys/class/kgsl/kgsl-3d0/min_pwrlevel"
     63 adb shell "echo 4 > /sys/class/kgsl/kgsl-3d0/max_pwrlevel"
     64 
     65