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SGY Kernel Patch

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By irfanbagus, Senior Member on 30th March 2012, 03:49 AM
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30th March 2012, 08:01 AM |#21  
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This way we can add more frequencies.But anyone confirmed that this intermediate frequency is properly working??

Note : the picture in the first post shows that 832 is never used.please play some High games on your phone for testing that the clock reaches the 832 Mhz
Last edited by vivekkalady; 30th March 2012 at 08:03 AM.
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30th March 2012, 08:07 AM |#22  
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Quote:
Originally Posted by vivekkalady

This way we can add more frequencies.But anyone confirmed that this intermediate frequency is properly working??

Note : the picture in the first post shows that 832 is never used.please play some High games on your phone for testing that the clock reaches the 832 Mhz

how about the benchmark scores on post #15 bro?
30th March 2012, 08:12 AM |#23  
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Quote:
Originally Posted by ronnieryan

how about the benchmark scores on post #15 bro?

that is right but posting CPU spy with 832 frequency used will be good
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30th March 2012, 09:25 AM |#24  
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Quote:
Originally Posted by vivekkalady

that is right but posting CPU spy with 832 frequency used will be good

that cpu freq profile based on SetCPU usage with performance gov max 624mhz by default and powersave gov min 312mhz when screen off. i use SetCPU because bcm21553 gov still not aware about 624mhz and ondemand still not working, so no dynamic governor can working on 624mhz. cpu only working in 832mhz while boot process (before SetCPU running).

btw here is my linpack result :

312Mhz - 5.535 MFLOPS
624Mhz - 7.946 MFLOPS
832Mhz - 10.158 MFLOPS

what strange with that number is, all test now result higher number. 2 days a go on 832mhz my result only 10.0xx mflops and on 312mhz 4.0xx mflops. i don't know why, but yesterday i did update 9 apps in my phone. so maybe that update make my phone performance better, because some of them running as service. maybe someone with stock kernel can confirm that.
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30th March 2012, 11:20 AM |#25  
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it may make sense to benchmark only with the charger plugged in on DC power supply ?
31st March 2012, 06:33 AM |#26  
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Angry
Hey Good Work,

am stopped working on the OV/UC for a while to finish the cwm version

You know that the voltage-Frequency mapping is not correct but it can be done look for this frequencies below you can have 7 choises

#define BCM_CORE_CLK_1GB BCM21553_CORECLK_KHZ_988
#define BCM_CORE_CLK_936 BCM21553_CORECLK_KHZ_936
#define BCM_CORECLK_TURBO BCM21553_CORECLK_KHZ_832
#define BCM_CORE_CLK_624 BCM21553_CORECLK_KHZ_624
#define BCM_CORE_CLK_507 BCM21553_CORECLK_KHZ_507
#define BCM_CORE_CLK_NORMAL BCM21553_CORECLK_KHZ_312
#define BCM_CORE_CLK_251 BCM21553_CORECLK_KHZ_251

and give them the frequencies in include/arch/bcm21553....

BCM21553_CORECLK_KHZ_988 = (988U * 1000),
BCM21553_CORECLK_KHZ_936 = (936U * 1000),
BCM21553_CORECLK_KHZ_832 = (832U * 1000),
BCM21553_CORECLK_KHZ_624 = (624U * 1000),
BCM21553_CORECLK_KHZ_507 = (507U * 1000),
BCM21553_CORECLK_KHZ_312 = (312U * 1000),
BCM21553_CORECLK_KHZ_251 = (251U * 1000),

the voltage-frequencies we have just the correct values for 832 & 312

try 1390000 for 1GB and 1000000 for 251
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31st March 2012, 06:49 AM |#27  
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ideally one would wish no-frills would set any available value without complaining after reboot. currently no-frills keeps complaining.
31st March 2012, 06:52 AM |#28  
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Quote:
Originally Posted by mai77

ideally one would wish no-frills would set any available value without complaining after reboot. currently no-frills keeps complaining.

if you see that about this hook, that's because the 624 has no correct voltage in this patch

am not tried the patch but when i give you the cwm a will continues working.

BTW: i created a repo for the kernel need only the cwm and i upload i hope the team are ready
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31st March 2012, 09:07 AM |#29  
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@maroc-os
thank you. i know the voltage to low, but on that value, at least on my phone, still working fine. basically you can change to whatever value as long as supported by regulator and cpu working stable. but i agree if someone need apply this patch, the value need to adjust. and i found that this phone cannot work more than 832mhz without change pll. but once we change pll (if possible) other part of system will oc to.

@mai
complaining about what ? working fine in my phone with no-frill and setcpu. the problem with this patch is bcm21553 governor still not aware at all about freq 624mhz so only powersave and performance can work at that freq. but maybe maroc right, the voltage to low for your phone, make it unstable in 624mhz. btw, got my pm ?
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31st March 2012, 06:07 PM |#30  
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yup, I replied to irfan.

off (immediate) topic:

guys, check this out.

we gotta kinda do that with this kernel
http://blog.csdn.net/johnnylq/article/details/6401878
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