[Kernel][CPU OC][GPU OC][F2FS][BLN] CroPol kernel - Galaxy S III Mini Android Development

Custom kernel for Samsung Galaxy S III Mini
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Features:
CPU OC, stable up to 1200 MHz(yanpol199's device) - thanks to @cocafe
GPU OC)/b] - thanks to @cocafe
- thanks to @cocafe
F2FS support
Abbamp - thanks to @cocafe
BLN - tnx @Meticulus
Sources:
GitHub
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Download:
Yandex disk UPDATE 13.11.2014
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I'm not an author of this kernel, I just helped yanpol199 with creating this project.
Probably, we'll developing this kernel together
Credits:
NovaFusion for base for this kernel
cocafe for kernel tweaks and improvements
yanpol199 for testing CPU OC and adjusting voltage
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XDA:DevDB Information
CroPol kernel, Kernel for the Samsung Galaxy S III Mini
Contributors
ChronoMonochrome, znchnk, cocafe, yanpol199 (4pda.ru user)
Source Code: https://github.com/yanpol199/android_kernel_samsung_golden
Kernel Special Features: CPU/GPU OC/ABBamp/worked USB audio/BLN-blink
Version Information
Status: Stable
Current Stable Version: R1.1
Stable Release Date: 2014-11-13
Current Beta Version: v.0.5.3
Beta Release Date: 2014-10-01
Created 2014-09-28
Last Updated 2014-11-12

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Reserved
Bug list:
-
Changelog:
Next version
- lz4 compression,
- changes in OC,
- update kernel to LK 3.2 by ChronoMonochrome.
v 0.4
- added GPU OC
- added Abbamp
28.09.2014
Initial build:
CPU OC support
Bug reports:
after experiencing a random reboot, type in terminal:
Code:
su
cat /proc/last_kmsg > /storage/sdcard0/last_kmsg.txt
report it in the thread and attach the last_kmsg.txt

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Kernel Features
Kernel features
Since most of features this kernel were developed by @cocafe that means that FULL credits for this goes to him
( GPU OC )
GPU clock controller valued in /sys/kernel/mali
Available interfaces:
mali_auto_boost
mali_available_frequencies
mali_boost_delay
mali_boost_high
mali_boost_low
mali_dvfs_config
mali_gpu_clock
mali_gpu_fullspeed
mali_gpu_load
mali_gpu_vape
version
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Check mali_dvfs_config first.
mali_auto_boost
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It's a simple GPU governor that can boost clock according to GPU load, enabled by default
To disable: echo 0 > /sys/kernel/mali/mali_auto_boost
mali_boost_delay
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The delay of boosting frequency, in ms.
echo ??? > /sys/kernel/mali/mali_boost_delay
mali_boost_high
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The high frequency performance profile.
Upthreshold: When GPU load is higher than this value, GPU clock will increase.
DVFS idx: DVFS data index in mali_dvfs_config.
echo ??????(a frequency) > /sys/kernel/mali/mali_boost_high
echo idx=??(a DVFS index) > /sys/kernel/mali/mali_boost_high
echo threshold=??? > /sys/kernel/mali/mali_boost_high
mali_boost_low
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The low frequency performance profile.
Downthreshold: When GPU load is lower than this value, GPU clock will decrease.
DVFS idx: DVFS data index in mali_dvfs_config.
echo ??????(a frequency) > /sys/kernel/mali/mali_boost_low
echo idx=??(a DVFS index) > /sys/kernel/mali/mali_boost_low
echo threshold=??? > /sys/kernel/mali/mali_boost_low
mali_gpu_clock
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Current GPU clock.
Say a frequency to tweak the clock directly.
echo ?????? > mali_gpu_clock
Notice! If auto-booster governor is enabled, this GPU will override.
mali_gpu_fullspeed
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Value 1 means GPU is working at full speed.
Value 0 means GPU is working at half speed.
When on half speed, GPU clock will be divided by 2. Namely, 399 / 2 = 199 kHz.
Require full speed:
echo 1 > mali_gpu_fullspeed
Required half speed:
echo 0 >mali_gpu_fullspeed
mali_gpu_load
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GPU load (aka: utilization)
mali_gpu_vape
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GPU voltage on full speed.
version
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GPU OC driver version.
( LiveOPP - CPU OC/UC/OV/UV )
LiveOPP can control the properties of each cpufreq step.
LiveOPP values in /sys/kernel/liveopp
View all files in that folder first.
CPU freq table:
(Showed freq) : (Real freq)
200000 kHz : 192000 kHz
400000 kHz : 399360 kHz
600000 kHz : 599040 kHz
800000 kHz : 798720 kHz
1000000 kHz : 998400 kHz
1050000 kHz : 1049600 kHz
1100000 kHz : 1100800 kHz
1150000 kHz : 1152000 kHz
1200000 kHz : 1200000 kHz
1250000 kHz : 1228800 kHz
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Overclocking depends on the device CPU quality you have.
You need to enable setting voltage in the slot first, if it is disabled:
echo set_volt=1 > arm_slot<id>
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To decrease the voltage (UV) of a step: Example: @200MHz
echo varm- > arm_step0
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To increase the voltage (OV) of a step: Example: @200MHz
echo varm+ > arm_step0
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To change the voltage of a step:
echo varm=0x?? > arm_step<id>
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* It means it accepts a HEX value only.
* ARM voltage is in 12.5mV steps
* Recommended that not tweaking Overclocking steps voltage
(Screen off CPU freq limits)
You can set min/max CPU freq. which will uses with screen off:
Code:
SYSFS=/sys/kernel/cpufreq/screenoff_cpufreq_limits
echo min=100000 > $SYSFS # 100 MHz
echo max=400000 > $SYSFS # 400 MHz
echo on > $SYSFS

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F2FS support?

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JynAlek said:
F2FS support?
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Since this kernel based on NovaFusion sources, it supports F2FS.

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ChronoMonochrome said:
Since this kernel based on NovaFusion sources, it supports F2FS.
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I will install and test and see if it works well haha, thanks for sharing

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Awesome, could you make oc kernel for stock also??

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galaxy mini said:
Awesome, could you make oc kernel for stock also??
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I'm not a main developer I do not own s3 mini, so I can't test it.
But is it does not work on stock?

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ChronoMonochrome said:
I'm not a main developer I do not own s3 mini, so I can't test it.
But is it does not work on stock?
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I'm been waiting for this for ages. Thank you guys, will try it and report back!
edit : with tenshi PA rom and ext4 as system file it doesn't boot. It is based on novafusion sources too.

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Balino said:
I'm been waiting for this for ages. Thank you guys, will try it and report back!
edit : with tenshi PA rom and ext4 as system file it doesn't boot. It is based on novafusion sources too.
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What about stock? I suppose it won't work huh?
Sent from my GT-I8190 using XDA Free mobile app

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Mike20017 said:
What about stock? I suppose it won't work huh?
Sent from my GT-I8190 using XDA Free mobile app
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if it is based on nf sources and doesn't boot on roms based on the same sources, I don't think it could work on stock
EDIT It is booting on golden_guy omni rom and not on roms based on nf sources , strange!

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I tried , boot on vanir to, but bluetooth still not work cz its nf based,, and i dont know why fifa14 fc since used this kernel,,
In other work fine,fast and stabile...
Back to default vanir kernel

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hardi7690 said:
but bluetooth still not work cz its nf based
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Probably because there are no kernel modules. I'll tell it yanpol199

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So I tested it on stock based Virginity V14, Nova Fusion's AOSPA and Omnirom of golden-guy. On virginity I had bootloop. On AOSPA everything seemed fine but at 1150 MHz maximum. On Omni I have problems with WiFi and Bluetooth. I hope I helped
Sent from my GT-I8190 using XDA Free mobile app

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Thank you!
First of all, thank you so much for this! I've been waiting for this moment ever since I bought this phone
Installed on todays (29/09/2014) CM11 release. I set the min & max frequencies to both 1.1GHz (with ondemand as the governor and noop as the scheduler). I then ran a Antutu benchmark (v5.1).
The score? Oh, It was only this much ...
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I have high hopes for this kernel to be a success!
If 1.1GHz has a good result at 12000, maybe you guys (the developers) can make 1.25GHz possible and then a new benchmark would surely result in around 13000 or maybe more than that?
Once again, thank you!

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tested in on latest Vanir build
get reboot, reboot, reboot, ....
but it doesn´t matter, cause i´m happy with great blackhawk+ kernel from A-A

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Sn0wdune said:
First of all, thank you so much for this! I've been waiting for this moment ever since I bought this phone
Installed on todays (29/09/2014) CM11 release. I set the min & max frequencies to both 1.1GHz (with ondemand as the governor and noop as the scheduler). I then ran a Antutu benchmark (v5.1).
The score? Oh, It was only this much ...
I have high hopes for this kernel to be a success!
If 1.1GHz has a good result at 12000, maybe you guys (the developers) can make 1.25GHz possible and then a new benchmark would surely result in around 13000 or maybe more than that?
Once again, thank you!
Click to expand...
Click to collapse
Works well on cm11?

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vytorhugo said:
Works well on cm11?
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Yes it does! But after installing apps like Facebook, Twitter, Skype or Snapchat, I did another benchmark and unfortunatley, the score went down to just 11045 /) which isn't bad at all for this device. Yes there is some lag as such but all in all, a good kernel!
Heres a screenshot of that benchmark incase anyone wants to see it

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Few are able to remove up to GHz?

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Berkant Ayhan Karabudak said:
Few are able to remove up to GHz?
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English please lol?
It says in the OP that it supports up to 1150MHz. That's 1.15GHz. Setting 1.15GHz in No-frills CPU Control causes a freeze then a reboot for me but 1.1GHz works just fine so I don't know what's wrong. Hopefully, it'll be fixed in future updates! :good: