Update 07.05.2020
Firmware version 20.5.6Cn
Device support: Mi9(cepheus)
Q: 60Hz, 66Hz, 69Hz, 72Hz, 75Hz, 78Hz, 84Hz, 90Hz

#screen_oc

GPU driver 464 For Adreno 640 (Date:03/14/20)

#gpudriver

Version 1.0B:
- Optimization of system layers such as temperature control (@Candy Panic)
- Optimization CPU
- Add Zram 4G

+ Tested on Miui 11 and Miui 12 ( kernel stock and candy kernel)

Note: Remember to delete the old Mod Optimal . Because this is a beta version

Version 4.1:
- Remove Custom Governor
- Add Custom Profiles
- Optimization System
- Temperature control
- Updated GPU Optimizer
- Updated CPU Optimization
- Updated I/O Optiomization
- Add 4G ZRAM

#mod_optimal

New kernel without a proper name built by @zapper_cepheus

Please excuse the photo, developer is still young and makes mistakes, unlike our top dictator

-initial release

Features: All feature of imensity+835mhz gpu oc and supports 75hz

Download: below

credits @Resurrect88 @utsavthecunt @madeofgreat but mainly @mirosk23

For flashing steps and to provide feedback for the community, join @cepheusdiscussion

New Quantic r10 is out by @Ayrton990

Warning: restore boot and dtbo backup, if you don't have it, please dirty flash your rom

Changelog:
- Upstreamed to 4.14.181 from android-linux-stable
- Embedded dtbo.img into the kernel, this will let modders to alter the dtbo partition without messing with fp.
- Updated sched_energy driver
- Checkout to sched_energy to common kernel android 4.14

EDIT:

Fixed battery drain

Fixed frequencies stuck at 1056MHz

Set big cores to 825MHz min frequency to match prime core

Bugs:

Spotify streaming by bluetooth may fail due to s2idle (this is an app bug, because it wasn't present in old releases of QK) reported by some few users.

Vibration may be weak on gestures and navigation, but on calls and alarms should be fine.

Download: https://github.com/Official-Ayrton990/Quantic-Kernel-AOSP-Cepheus/releases/tag/r10

New Masik 13 build is up!

changelog: file below

download: https://drive.google.com/file/d/1LGRChI8T5-Jjo9Zxm0X266W_2Z83pp-0/view

mirror: https://mega.nz/file/ugsSDAyS#FxCKmlXyrU6hHvgIDHTxs7hd-3G02mfufwxZijrCUpE

join @cepheusdiscussion for provide feedback to our community

New Quantic r16.1 MIUI update is out

Changelog:

- AOD fixed completly no need to use glitches to enable, just block your cepheus and aod will appear
- Added Boeffla Wakelock Blocker
- Added fsync toggle
- Added Dynamic fsync
- O3 clang optimization
- Blocked magisk "performance" (magical) modules (feravolt, fde, lspeed, nfsinjector, lkt, MAGNE) NTH Mod Optimal not blocked
- More useless boost disabled
- Battery backup improved

Source code is here: https://github.com/Official-Ayrton990/Quantic-Kernel-AOSP-Cepheus/tree/QK-MIUI

As I respect the GPL and the ideology of Linux Torvalds

New build available!
Code Name : cepheus
Device : Mi 9
File Name : 4.14.185-Yuki-Kernel-Mi-9-2020-06-24.zip
File Size : 18M
MD5SUM : 532a180d8bbd777b03bc85a2d10a8b5c
Download : https://sourceforge.net/projects/xperience-aosp/files/Yuki-Kernel/cepheus/4.14.185-Yuki-Kernel-Mi-9-2020-06-24.zip/download
Changelog:
- Upstream to 4.14.185
- Implement FOD changes credits to Ayrton990, Laulan56 ,sekaiacg
- Fix AOD fod credits to Ayrton990
- some changes

Note: Remember sourceforge take some time processing the file after this message wait 10mins

New Quantic Kernel Update for MIUI is out:

Changelog r16.2:

- FOD Register fixed (fod registration)
- AOD and FOD working
- Use drm_msm_notify.h for drm and fts instead for drm_notify.h
- Bootloop should be fixed (masik still bootlooping)
- CAF Upstreamed to the latest one
- LTS Upstreamed to: 4.14.186
- Code rebased to the AOSP Base

Bugs: Anti fliker (DC Dimming) not working it crashes don't try to enable it.

New Quantic Kernel for AOSP is out

Changelog r16:
- Upstream LTS to: 4.14.186
- Minor improvements on performance

Sorry I forgot to change Kernel name to r16

Drivers OpenGL and Vulkan
OpenGL V@464
Vulkan 1.1.128


XDA: https://forum.xda-developers.com/poco-f1/development/driver-adreno-600-series-opengl-vulkan-t4089967

Marisa Kernel Update!
-Upsteam 4.14.186
-Fix up FOD reg
-Add a KCAL color tunable
Soon I will sell my Mi9 But will be still update for it.

Channel: @marisakernel

TWRP 3.4.0-0 for Xiaomi Mi 9 (cepheus) by mauronofrio:
Main changelog: https://twrp.me/site/update/2020/06/24/twrp-3.4.0-0-released.html