AppleIntelSNBGraphicsFB to a Clover patch

[T1hom7as]

Since Yosemite, it seems I can't load old kext now. So I've been trying to update my patched kexts or change to a Clover patch.
I've successfully managed to patch AppleHDA via Clover and now want to change AppleIntelSNBGraphicsFB to either a Clover patch or to update the kext, is there a way to do this?

I tried to update the kext by copying /AppleIntelSNBGraphicsFB/Contents/MacOS/AppleIntelSNBGraphicsFB and the info.plist inside of /AppleIntelSNBGraphicsFB/ but seems that HDMI audio still doesn't work.

 

[RehabMan]

Since Yosemite, it seems I can't load old kext now. So I've been trying to update my patched kexts or change to a Clover patch.
I've successfully managed to patch AppleHDA via Clover and now want to change AppleIntelSNBGraphicsFB to either a Clover patch or to update the kext, is there a way to do this?

I tried to update the kext by copying /AppleIntelSNBGraphicsFB/Contents/MacOS/AppleIntelSNBGraphicsFB and the info.plist inside of /AppleIntelSNBGraphicsFB/ but seems that HDMI audio still doesn't work.

In order to use a Clover patch, you need to know what was changed in the binary (find/replace).

Then add a patch to KernelAndKextPatches/KextsToPatch section of config.plist.

 

[T1hom7as]

In order to use a Clover patch, you need to know what was changed in the binary (find/replace).

Then add a patch to KernelAndKextPatches/KextsToPatch section of config.plist.

Thanks, managed to find the patch I needed from toleda:

<key>KernelAndKextPatches</key>
	<dict>
		<key>KextsToPatch</key>
		<array>
			<dict>
				<key>Name</key>
				<string>AppleIntelSNBGraphicsFB</string>
				<key>Find</key>
				<data>AgUAAAAEAAAHAAAA</data>
				<key>Replace</key>
				<data>AgUAAAAIAAAGAAAA</data>
				<key>Comment</key>
				<string>10.10-SNB-Port _0x5-DP2HDMI</string>
			</dict>
			<dict>
				<key>Name</key>
				<string>AppleIntelSNBGraphicsFB</string>
				<key>Find</key>
				<data>AwQAAAAEAAAJAAAA</data>
				<key>Replace</key>
				<data>AwQAAAAIAAAGAAAA</data>
				<key>Comment</key>
				<string>10.10-SNB-Port _0x6-DP2HDMI</string>
			</dict>
		</array>
	</dict>

 

[RehabMan]

Thanks, managed to find the patch I needed from toleda:

<key>KernelAndKextPatches</key>
	<dict>
		<key>KextsToPatch</key>
		<array>
			<dict>
				<key>Name</key>
				<string>AppleIntelSNBGraphicsFB</string>
				<key>Find</key>
				<data>AgUAAAAEAAAHAAAA</data>
				<key>Replace</key>
				<data>AgUAAAAIAAAGAAAA</data>
				<key>Comment</key>
				<string>10.10-SNB-Port _0x5-DP2HDMI</string>
			</dict>
			<dict>
				<key>Name</key>
				<string>AppleIntelSNBGraphicsFB</string>
				<key>Find</key>
				<data>AwQAAAAEAAAJAAAA</data>
				<key>Replace</key>
				<data>AwQAAAAIAAAGAAAA</data>
				<key>Comment</key>
				<string>10.10-SNB-Port _0x6-DP2HDMI</string>
			</dict>
		</array>
	</dict>

Maybe... Did you test it? Most of toleda's patches are to the desktop framebuffer connectors. With tweaks, you can patch the framebuffer used on laptops (0x00000100).

 

[T1hom7as]

Maybe... Did you test it? Most of toleda's patches are to the desktop framebuffer connectors. With tweaks, you can patch the framebuffer used on laptops (0x00000100).

Tested and it works, I have a different DSDT patch which I found from someone else other than toleda's.
HDMI video and audio both working.

 

[RehabMan]

Tested and it works, I have a different DSDT patch which I found from someone else other than toleda's.
HDMI video and audio both working.

Which snb-platform-id are you using?

 

[T1hom7as]

Which snb-platform-id are you using?

                        "AAPL,snb-platform-id", 
                        Buffer (0x04)
                        {
                            0x00, 0x00, 0x01, 0x00
                        }

So looks like 4.

 

[RehabMan]

                        "AAPL,snb-platform-id", 
                        Buffer (0x04)
                        {
                            0x00, 0x00, 0x01, 0x00
                        }

So looks like 4.

Not 4 (4 is the size of the buffer in bytes). But 00000100. It is the general laptop framebuffer for HD3000. Good to know that toleda's patches patch this framebuffer too...

 

[T1hom7as]

Not 4 (4 is the size of the buffer in bytes). But 00000100. It is the general laptop framebuffer for HD3000. Good to know that toleda's patches patch this framebuffer too...

I see, ok.
Yeah you're correct, here is the one I used: https://github.com/toleda/audio_hdmi_hd3000/tree/master/Patches/AMI-EFI-HD3000-6_series

 

[RehabMan]

I see, ok.
Yeah you're correct, here is the one I used: https://github.com/toleda/audio_hdmi_hd3000/tree/master/Patches/AMI-EFI-HD3000-6_series

I wouldn't use the DSDT patch... But the config.plist data is useful.