[KERNEL][AOSP][AnyKernel][LOS-16.0+EAS] Gamma Kernel for [All Lineage Variants]

[Omar-Avelar]

DESCRIPTION
Hey guys, I have started a custom Kernel based on LineageOS sources with 98% CAF. So I would like to share my own performance and usability improvements with minimal feature and enhancements on top. The intention is to have a minimal light-weight kernel that is very fine tuned for the device.

FEATURES

• Minimal Kernel with a stripped defconfig base to be more streamlined and have less memory footprint
• User space display color calibration (KCAL) with screen calibrated against iPhone 8 Plus, also helps reducing screen retention
• Schedutil governor making use of EAS features with updates from Linux 4.4 and 4.12
• Up to date with LineageOS sources for maximum compatibility and security bugfixes
• Memory and cache subsystem optimizations, you will feel it
• Adaptive LMK enabled by default
• Transparent Hugepages are enabled
• ZRAM/Swap partition is disabled by default
• BFQ IO scheduler set by default to avoid slow-downs on task intensive scenarios
• No overclocking was chosen to avoid unnecessary heat, optimizations were focused on other different areas
• Kernel Samepage Sharing enabled with deferred timer by default to gain some memory usage optimizations, the process sleeps on regular basis and I've profiled it so that there's no battery drains due to it
• Simple temperature controls for msm_thermals exposed
• Compiled with GCC 6.x optimized toolchain and -O3 plus other hardware specific flags
• Undervolted the Adreno 530 GPU voltage rail to keep things cooler
• CAF Rebase on major portions of the Kernel has helped lower the memory footprint a lot
• ES9218 Quad DAC automatic toggling working inside the kernel for headphone HIFI playback, please read here for details

DOWNLOADS

AnyKernel: Click Here (Or check top of the post, download tab)

(Recommended) Stock Tasha XML Audio Mixer FIles : Click Here

(Recommended) Stock Thermal Engine with Tweaked Values Flashable : Click Here

SOURCE

V20-Kernel-Gamma GitHub Source

NOTES

• Here is a GeekbenchV4 result example : http://browser.geekbench.com/v4/cpu/10667886

KNOWN BUGS

• Two second delay between plugging charger and detecting it.

I would also like to thanks to various people who contribute tremendously such as:

@x86cpu
@EvilHowl
@USA-RedDragon
@savoca
@albinoman887
@emdroidle
@Rashed97
@joshuous
@RenderBroken
and many others!

<< If you like my work here is my hat, please donate! >>​

​

XDA:DevDB Information
Gamma Kernel, Kernel for the LG V20

Contributors
Omar-Avelar
Source Code: https://github.com/oxavelar/V20-Kernel-Gamma

Kernel Special Features:

Version Information
Status: Testing
Current Stable Version: 9.0.0
Stable Release Date: 2019-09-21

Created 2019-06-16
Last Updated 2019-09-21

 

[Omar-Avelar]

CHANGELOG

• 9.0.0 - Increased responsiveness by adjusting input boost and stune values. Updated the thermal mod values again, revert LA.UM.6.5.r1-11700-8x96.0 to fix green tint crashes and updated to AnyKernel3.
• 8.0.0 - Merging LA.UM.6.5.r1-11700-8x96.0.
• 7.0.0 - Update SDCARDFS driver. And updated the thermal mod values to account for GPU undervolt.
• 5.0.1 - Re-enabled -O3 optimizations and increased little cores boost.
• 5.0.0 - Compiled with Linaro GCC 8.3.
• 3.2.0 - Biased a little towards better performance and keeping power consumption almost intact.
• 3.0.0 - Working camera with Lineage OS 16.0, and extended screen with notch enabled.

 

[rjavc]

Damn we missed u omar! Thanks for this!

 

[maresaldeflota]

Second screen!?

 

[scottyrick]

CHANGELOG

3.0.0 - Working camera with Lineage OS 16.0, and extended screen with notch enabled.

H918: installed all 3 recommended zip files. Definitely a great improvement. Much cooler phone. Been waiting for this one Omar. Thank you.

 

[mikekote666]

Thank you for your amazing work @Omar-Avelar keep up the good work!A suggestion tho,wouldn't be better to switch on a newer GCC version i think it would be a help to you work as 9.1 which is the latest one has many improvements over the previews versions.

 

[karkand]

All is well.

 

[jtay419]

VS995 Bugs

Thank you so much for this awesome kernel, makes the V20 usable ? Only bugs I'm seeing are no flashlight and camera.

Update: They both work now! Not sure what I did but I'm glad I did it lol

 

[heoxum1]

any way to use this on an F800L V20?
It's running the US996DS version of LOS16 perfectly, but Gamma Kernel cannot be installed as-is

did do.devicecheck=0, worked

 

[Enicity]

How is everyone getting the camera to work? Nothings detecting it on my US996-DS...

Edit: [NVM I'm retarded]

 

[Nachitoo]

Unfortunately, it made my phone even laggier, scrolling was laggier and everything felt worse, I even did a clean install of LOS 16 and it was the same, I don't know if I installed it wrong, I installed the ROM, then gapps, then the kernel and the add ons, and finally magisk. Is there anything I can do to fix this issue?

 

[karkand]

Unfortunately, it made my phone even laggier, scrolling was laggier and everything felt worse, I even did a clean install of LOS 16 and it was the same, I don't know if I installed it wrong, I installed the ROM, then gapps, then the kernel and the add ons, and finally magisk. Is there anything I can do to fix this issue?

No offense but you should try go to nougat stock and do the dirty santa process all over again.

 

[Nachitoo]

No offense but you should try go to nougat stock and do the dirty santa process all over again.

I have a H918 a T-Mobile variant though.

---------- Post added at 06:21 AM ---------- Previous post was at 06:21 AM ----------

No offense but you should try go to nougat stock and do the dirty santa process all over again.

I went back to Lineage 15.1, and it was faster again.

 

[mikekote666]

The phone touch becomes unresponsive at times many users have reported that on LOS 16 i thought posting it here as possibly is kernel related as with stock lineage never had this issue even on the latest build.Again thanks for your work!

 

[pspablo]

Will any kernel work correctly on V20 F800L?

 

[Koognod]

So I just flashed the most recent version onto my 710 running rr and now my display extends up into my second display except theres a notch where the camera is. Is this supposed to be a feature or have I done something wrong? Am I missing something?

---------- Post added at 08:54 PM ---------- Previous post was at 08:50 PM ----------

Also those who said their camera and flashlight weren't working, what did you do to fix?

Figured it out. I was flashing gamma for the wrong Los version. It's hard to tell when you're on a rom that doesn't state who their base version is. My bad guys

 

[ryo2456]

There are v3.2 and v4.0 in download, what's different?

 

[avilav]

There are v3.2 and v4.0 in download, what's different?

same question here.
Exists a changelog?

 

[mikekote666]

same question here.
Exists a changelog?

He will add tho he must have done the builds in a hurry and released them for us I'm on v4 what I see is that phone doesn't become unresponsive anymore

 

[Sigil_Thane]

Running lineage-16.0-20190625-X86CPU-h910.zip with the latest OpenGApps and v4 plus all the recommendeds from the OP.

I have Bluetooth connection issues with my car stereo/hands free.

What can I provide to help troubleshoot?

* I will be reflashing with the same config minus the v4 kernel just to be sure that's the issue.

Sent from my LG-h910 using Tapatalk