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Ask for a Installation Guide with Clover for HD4600 mobile

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parcox said:
@Rehabman
So how to fix brightness slider (on a laptop) in Yosemite since Apple removes mobile support for HD4600
(According to this page: http://www.tonymacx86.com/yosemite-...-fix-intel-hd4400-hd4600-mobile-yosemite.html)
Click to expand...

Same way as before...

Haswell Brightness Fix:

You will need to extract all DSDT/SSDT from Linux. Your GFX0 device is in one of the SSDTs not DSDT and to get a proper disassembly of your DSDT (and the SSDT that has GFX0) you will need all of them. They are available in /sys/firmware/acpi/tables and /sys/firmware/acpi/tables/dynamic. Place them on USB for transfer to OS X.

It is not necessary to install Linux. Simply run it from USB: http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-windows

In Linux Terminal:
Code: 
# substitute DEST with the mountpoint of a FAT32 formatted USB stick
sudo cp -R /sys/firmware/acpi/tables DEST

Place all SSDT/DSDT in a single directory (rename them to *.aml as you move them) and use a recent build of iasl to disassemble:
https://bitbucket.org/RehabMan/acpica/downloads
Code: 
cd "to directory where you placed all SSDT/DSDT"
iasl -da -dl *.aml

Then search the resulting *.dsl so you know where GFX0 is defined. Search for "Device (GFX0)"...

Laptop repo: https://github.com/RehabMan/Laptop-DSDT-Patch
Apply: "Rename GFX0 to IGPU" (to both DSDT and the SSDT that has your GFX0 device)
Apply: "Brightness Fix (Haswell)" to the file (SSDT or DSDT) with GFX0 device definition.
install: https://github.com/RehabMan/OS-X-ACPI-Backlight

Place patched DSDT.aml in /Extra/dsdt.aml. Place patched SSDT in /Extra/ssdt-1.aml (assuming you have already generated SSDT.aml for CPU). Obviously different locations for Clover (EFI/Clover/ACPI/patched).

Result: Working brightness slider in SysPrefs->Displays (mapping of keyboard keys is a separate issue), possible LID sleep, and IGPU power management.
 
@Rehabman

Yes, I already did that (DSDT/SSDT patching). FYI, I have OS X Mavericks with patched DSDT/SSDT, so brightness slider is working flawlessly. And now I dual-booted it Yosemite, and use the same DSDT/SSDT, the brightness slider is gone. Where can I start to debug it? I see no info about ACPIBacklight.kext being loaded during boot.

Thanks.
 
parcox said:
@Rehabman

Yes, I already did that (DSDT/SSDT patching). FYI, I have OS X Mavericks with patched DSDT/SSDT, so brightness slider is working flawlessly. And now I dual-booted it Yosemite, and use the same DSDT/SSDT, the brightness slider is gone. Where can I start to debug it? I see no info about ACPIBacklight.kext being loaded during boot.

Thanks.
Click to expand...

Download patchmatic: https://github.com/RehabMan/OS-X-MaciASL-patchmatic.
Extract the 'patchmatic' binary from the ZIP. Copy it to /usr/bin, such that you have the binary at /usr/bin/patchmatic.

In terminal,
Code: 
rm -Rf ~/Downloads/RehabMan
mkdir ~/Downloads/RehabMan
cd ~/Downloads/RehabMan
patchmatic -extract

Post contents of Downloads/RehabMan directory (as ZIP).

Also, post ioreg: http://www.tonymacx86.com/audio/58368-guide-how-make-copy-ioreg.html. Please, use the IORegistryExplorer v2.1 attached to the post! DO NOT reply with an ioreg from any other version of IORegistryExplorer.app.

And output from:
Code: 
kextstat|grep -y acpiplat
kextstat|grep -y appleintelcpu
 
Here attached requested files.
And this is the output of kextstat command:
Code: 
Ikas-MacBook-Pro:Downloads bowo$ kextstat | grep -y acpiplat
   13    2 0xffffff7f821a7000 0x65000    0x65000    com.apple.driver.AppleACPIPlatform (3.1) <12 11 7 6 5 4 3 1>
Ikas-MacBook-Pro:Downloads bowo$ kextstat | grep -y appleintelcpu
Ikas-MacBook-Pro:Downloads bowo$
 

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parcox said:
Here attached requested files.
And this is the output of kextstat command:
Code: 
Ikas-MacBook-Pro:Downloads bowo$ kextstat | grep -y acpiplat
   13    2 0xffffff7f821a7000 0x65000    0x65000    com.apple.driver.AppleACPIPlatform (3.1) <12 11 7 6 5 4 3 1>
Ikas-MacBook-Pro:Downloads bowo$ kextstat | grep -y appleintelcpu
Ikas-MacBook-Pro:Downloads bowo$
Click to expand...

You forgot to drop the OEM tables. Use DropSSDT=Yes.
 
RehabMan said:
You forgot to drop the OEM tables. Use DropSSDT=Yes.
Click to expand...

Ah yes, that fix the brightness slider problem. The next problem is HDMI connection. On Yosemite, My system will freeze when I attach HDMI to VGA port converter. While it's working perfectly on Mavericks with hot-plug support. How could I fix this problem.

Thanks
 
parcox said:
Ah yes, that fix the brightness slider problem. The next problem is HDMI connection. On Yosemite, My system will freeze when I attach HDMI to VGA port converter. While it's working perfectly on Mavericks with hot-plug support. How could I fix this problem.

Thanks
Click to expand...

It is probably a framebuffer mismatch problem... You could try other ig-platform-ids or try patching the framebuffer. Do you have some glitches?
 
RehabMan said:
It is probably a framebuffer mismatch problem... You could try other ig-platform-ids or try patching the framebuffer. Do you have some glitches?
Click to expand...

No. There is no glitches. It's just laggy on start up (before the desktop get fully loaded). I already tried another ig-platform-id (without testing HDMI), but it seems my current config is the most usable one. Any references to patch framebuffer?

Thanks.
 
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