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Notebook 16bit color depth & ATY_Init related stuffs


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#1
p.H

p.H

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Hi, guys.
First of all, some basic info about my hack
Dell Inspirion 14R  N4010
CPU:       I3-380M
GFX:       ATI-HD5650M
MB:        DELL
Chipset:  Intel HM57
Here, I want to get more details about Notebook 16 bit output in its screen
Below is the source code for 5650M in Chameleon
{ 0x68C1, 0x033E1025, CHIP_FAMILY_REDWOOD, "ATI Mobility Radeon HD 5650",   kNull  },
{ 0x68C1, 0x9071104D, CHIP_FAMILY_REDWOOD, "ATI Mobility Radeon HD 5650",   kEulemur },

Just as it is, I can simply enable full QE/CI and resolution with a simple "GraphicsEnabler=Yes"
But it's 16bit output in my notebook's screen
Others say when you use the extern display, it's 32 bit output.

In order to solve this problem, I tried my best to search on the web
Luckily, I found a solution, and it works beautifully in my hack ----- ATY_Init.kext

Attached File  ATY_Init.kext.zip   244.83KB   56 downloads

Something related to ATY
First, there are many models in ATY_Init 's info.plist
Attached File  Snip20120509_3.png   101.09KB   159 downloads
You should try to make a decision based on your graphics card
I'm currently using the ATI Radeon 4600 Series model
Attached File  Snip20120509_5.png   91.36KB   185 downloads
And, I've been trying to find the reason why ATY was able to make it 32bit output in my notebook's screen
That seems to be the reason
Here's a link :
https://code.google....vn2&r=2

I'm curious about more arguements in ATY-Init
But I can no longer try to figure it out myself
So I'm here seeking for help
Best regards ~

#2
Bringidea2life

Bringidea2life

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I've been trying to find the reason why ATY was able to make it 32bit output in my notebook's screen

 

I think the reason is OSX doesn't get correct EDID you put in -717 file.

 

I have same problem as you. My solution is keep original -717 file (without add EDID) and add your EDID in Ati_init.kext > Info.plis.

This hack worked perfectly with Ati 5650m on my laptop.

 

Attached File  Screen Shot 2014-03-19 at 21.00.56.jpg   142.76KB   0 downloads

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