[Kernel][Apr 26] Perseus

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AndreiLux

AndreiLux

Senior Member
Jul 9, 2011
3,209
14,598
This is a direct port of my kernel on the international I9300 Galaxy S3 and sidekick to the international N7100/5 Note 2 kernels.

Recap of features:
  • CPU overclocking up to 1.8GHz and undervolting from 600mV to 1400mV.
  • GPU overclocking and undervolting.
  • GPU scaling reworked.
  • Screen sharpness and colour modifications.
  • Extended Pegasusq and improved Performance governors.
  • Removed Touch Booster and replaced with custom Flexrate mechanic.
  • Improved scheduler power management for improved idle residencies on auxiliary CPUs.
  • USB charging rate limit increased to 900mA.
  • Application for control of various settings.

This is supposed to be merely a proxy thread. Please refer to the N7100/5 thread for full changelogs, explanations, bug-reports and other issues. Kernel for specific device versions will be posted here.

This kernel is for the North American Sprint variant SPH-L900. Versions for other variants are found in their respective forums.
 

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  • Perseus-alpha36.3-l900.tar
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  • Perseus-alpha36.3-l900-CWM.zip
    6.3 MB · Views: 7,902
Last edited:
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J

jre1981

Senior Member
Jul 21, 2011
165
51
Tulsa
This is awesome, I was just wondering if we there was going to be a lack of original development on the carrier specific models. Thanks a lot for this AndreiLux, and thanks for testing Viperboy.
 
rwright64

rwright64

Senior Member
Apr 2, 2012
564
217
cherylbaker said:
So you can just flash it through twrp like when flashing a rom. There is a tar file and than a cwm zip file.
Would i use the zip if flashing with twrp?

So is there ever any reason one would need odin

Sent from my SPH-L900 using xda app-developers app
Click to expand...
Click to collapse

I just flashed it via twrp. Working good so far. Use the zip.

Sent from my SPH-L900 using xda premium
 
J

jre1981

Senior Member
Jul 21, 2011
165
51
Tulsa
cherylbaker said:
So you can just flash it through twrp like when flashing a rom. There is a tar file and than a cwm zip file.
Would i use the zip if flashing with twrp?

So is there ever any reason one would need odin

Sent from my SPH-L900 using xda app-developers app
Click to expand...
Click to collapse

Yes the zip is for CWM/TWRP and the .tar is for Odin. In my case I had to use Odin to flash the insecure boot.img before able to install a custom recovery, if there is another way I am not aware, Not sure how Chainfires tool does it.
 
C

cherylbaker

Senior Member
Jan 21, 2006
1,519
225
Samsung Galaxy S21 Ultra
jre1981 said:
Yes the zip is for CWM/TWRP and the .tar is for Odin. In my case I had to use Odin to flash the insecure boot.img before able to install a custom recovery, if there is another way I am not aware, Not sure how Chainfires tool does it.
Click to expand...
Click to collapse

Not sure about this. But ok i am going to do it..

Ha ha ha i hate doing New things.. well i dunno if it did anything but but phone still boots ha ha ha

Sent from my SPH-L900 using xda app-developers app

---------- Post added at 09:31 PM ---------- Previous post was at 09:10 PM ----------

Great job on this page my antutu score up another 1500 not that it wasn't great already.. wow man this phone rocks

Sent from my SPH-L900 using xda app-developers app
 
Last edited:
fatboypup

fatboypup

Senior Member
Jul 19, 2007
2,987
887
Phoenix, AZ
www.myspace.com
running like a raped ape at 1.8 GHz

698f128e279711e2ba6922000a1fb733_6.jpg
 
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-viperboy-

-viperboy-

Inactive Recognized Developer
Jun 24, 2007
7,836
12,992
PA
ffolkes said:
Awesome! Thanks. Why does oc stop at 1.8 though?
Click to expand...
Click to collapse

I asked about this as well. Some phones can handle 1.9 or 2.0 but the voltage bump was a little bit much. Stock highest voltage is like 1312mv, I think AndreiLux said. Don't wanna overvolt too much.

Sent from my SPH-L900 using Tapatalk 2
 
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Reactions: ffolkes
ffolkes

ffolkes

Senior Member
Oct 18, 2006
1,338
2,108
New Jersey
I think I'm noticing touchscreen issues. I have to smash my finger to make it see the touch. When scrolling I have to tap and wait .1 seconds before swiping otherwise nothing happens. This is very noticeable in things like the browser.
 
-viperboy-

-viperboy-

Inactive Recognized Developer
Jun 24, 2007
7,836
12,992
PA
ffolkes said:
I think I'm noticing touchscreen issues. I have to smash my finger to make it see the touch. When scrolling I have to tap and wait .1 seconds before swiping otherwise nothing happens. This is very noticeable in things like the browser.
Click to expand...
Click to collapse

Hmm, no issue here.

Sent from my SPH-L900 using Tapatalk 2
 
D

Devi0124

Senior Member
Dec 1, 2010
641
96
If I'm on stock i can just Odin the kernel right? Does it include a recovery?

Sent from my SPH-L900 using xda app-developers app
 
rydehard86

rydehard86

Senior Member
Jun 18, 2010
89
13
Didn't think this thing could get faster, installed this and was blown away. Can't wait to check my battery stats tomorrow and see how it does.

Sent from my Note II
 
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  • 180
    AndreiLux
    AndreiLux
    This is a direct port of my kernel on the international I9300 Galaxy S3 and sidekick to the international N7100/5 Note 2 kernels.

    Recap of features:
    • CPU overclocking up to 1.8GHz and undervolting from 600mV to 1400mV.
    • GPU overclocking and undervolting.
    • GPU scaling reworked.
    • Screen sharpness and colour modifications.
    • Extended Pegasusq and improved Performance governors.
    • Removed Touch Booster and replaced with custom Flexrate mechanic.
    • Improved scheduler power management for improved idle residencies on auxiliary CPUs.
    • USB charging rate limit increased to 900mA.
    • Application for control of various settings.

    This is supposed to be merely a proxy thread. Please refer to the N7100/5 thread for full changelogs, explanations, bug-reports and other issues. Kernel for specific device versions will be posted here.

    This kernel is for the North American Sprint variant SPH-L900. Versions for other variants are found in their respective forums.
    View
    32
    AndreiLux
    AndreiLux
    Re: [Kernel][Jan 31] Perseus

    Hello, this is OP chiming in.
    DoUevenRoot said:
    Yeah, not sure what happened there, but figured you should get a legit answer to a legit question. For reference 32.1 IS based on ma5
    Click to expand...
    Click to collapse
    You're an idiot. Several people corrected you and you're still trying to convey something completely false as a hard fact.

    No, the kernel is not based on any firmware.

    And for a bit of education: Complied kernels are based on source code. In the case of Samsung that may mean a specific firmware from which the source drop may have originated from. However for me and for this kernel that is false since I haven't used a pure source drop in 4+ months, and the current kernel is a conglomeration of S3, N2 and Note 10.1 sources.

    And, as somebody else mentioned already, Samsung kernels are ROM agnostic. Unless there are big changes in the kernel APIs, which happen once in a while on major versions of Android and ROM build. And this also answers people's question "will this run on XXYZ?", yes it will. (Except AOSP)
    View
    15
    -viperboy-
    -viperboy-
    Thanks for your work on this and allowing me to test! We really appreciate it! And this kernel runs really well!!
    View
    15
    KennyG123
    KennyG123
    Thread cleaned
    We all need to respect the developer and his wishes
    Please make all posts respectful and on-topic
    Thank you for your cooperation
    Friendly Neighborhood Moderator
    View
    14
    AndreiLux
    AndreiLux
    Updated. Please read the changelog in the main thread.
    View

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