聊聊如何正確驅(qū)動(dòng)集成顯卡HDMI（包括視頻和音頻）
必備條件：
1、必須使用AppleHDA驅(qū)動(dòng)聲卡（仿冒、clover、applealc都可以的），使用voodoo驅(qū)動(dòng)聲卡應(yīng)該不行的。
2、dsdt或者ssdt中關(guān)于集成顯卡的gfx0改為IGPU。

#Maintained by: RehabMan for: Laptop Patches#graphics_Rename-GFX0.txt
# Note: Most DSDT/SSDTs use GFX0 for the integrated graphics device,# but there are few renegades that use VID or AGP1.# If your DSDT uses VID or AGP1 instead of GFX0, see the # alternate patch "Rename VID/AGP1 to IGPU"
# sometimes there is already IGPU used for other thingsinto_all all code_regex IGPU, replaceall_matched begin IGFX, end;
# rename GFX0 -> IGPU for better power managementinto_all all code_regex GFX0. replaceall_matched begin IGPU. end;into_all all code_regex .GFX0 replaceall_matched begin .IGPU end;into_all all code_regex sGFX0, replaceall_matched begin IGPU, end;into_all all code_regex (GFX0 replaceall_matched begin (IGPU end;into_all all label GFX0 set_label begin IGPU end;into_all all label _SB.PCI0.GFX0 set_label begin _SB.PCI0.IGPU end;into_all all label \_SB.PCI0.GFX0 set_label begin \_SB.PCI0.IGPU end;into_all all label _SB.PCI0.GFX0.DD02 set_label begin _SB.PCI0.IGPU.DD02 end;into_all all label \_SB.PCI0.GFX0.DD02 set_label begin \_SB.PCI0.IGPU.DD02 end;into_all all label ^^^GFX0 set_label begin ^^^IGPU end;into_all all label ^^GFX0 set_label begin ^^IGPU end;into_all all label ^GFX0 set_label begin ^IGPU end;

復(fù)制代碼

3、對(duì)于Haswell/Broadwell集成顯卡:dsdt需要打入補(bǔ)丁 renaming B0D3 to HDAU (device at 0x00030000)

#Maintained by: RehabMan for: Laptop Patches
#graphics_Rename-B0D3.txt

# for DSDT

into method label _WAK code_regex B0D3 replaceall_matched begin HDAU end;
into definitionblock code_regex B0D3 replaceall_matched begin HDAU end;

# for GFX0 SSDT

# Note: Change your layout ID if you need something different

# inject "hda-gfx"="onboard-1" into IGPU (GFX0 originally)
into method label _DSM parent_adr 0x00020000 remove_entry;
into device name_adr 0x00020000 insert
begin
Method (_DSM, 4, NotSerialized)

{

If (LEqual (Arg2, Zero)) { Return (Buffer() { 0x03 } ) }

Return (Package()

{

"hda-gfx", Buffer() { "onboard-1" },

})

}

end;

# inject "hda-gfx"="onboard-1" into HDAU (B0D3 originally)
into method label _DSM parent_adr 0x00030000 remove_entry;
into device name_adr 0x00030000 insert
begin
Method (_DSM, 4, NotSerialized)

{

If (LEqual (Arg2, Zero)) { Return (Buffer() { 0x03 } ) }

Return (Package()

{

"layout-id", Buffer() { 12, 0x00, 0x00, 0x00 },

"hda-gfx", Buffer() { "onboard-1" },

})

}

end;

into device label B0D3 set_label begin HDAU end;
into method label SBCB code_regex B0D3 replaceall_matched begin HDAU end;

復(fù)制代碼

4、dsdt中，對(duì)于HDAU、IGPU、HDEF三個(gè)裝備注入相同的"hda-gfx" = "onboard-1" or= “onboard-2”
5、對(duì)于Haswell/Broadwell集成顯卡，dsdt中HDAU和HDEF注入的layout id要一致。
6、對(duì)于Haswell集成顯卡還要安裝rehabman的FakePCIID.kext和FakePCIID_Intel_HDMI_Audio.kext
7、最重要的一點(diǎn)是要對(duì)fb（kext）打入恰當(dāng)?shù)难a(bǔ)丁，即要修改連接類(lèi)型（00 04 00 00）為（00 08 00 00）匹配物理連接，此處修改fb結(jié)合自己的ig-platform-id。蘋(píng)果的設(shè)備大多采用DP連接（00 04 00 00），我們大多數(shù)筆記本采用HDMI（00 08 00 00）連接，如果你的是DP連接無(wú)需修改fb。
ig-platform-id:集成顯卡注入的此屬性有以下對(duì)應(yīng)關(guān)系
0x01660003: HD4000 1366x768
0x01660004: HD4000 1600x900, 1920x1080
0x01660008: HD4000 1600x900, 1920x1080
0x01660009: HD4000 1600x900, 1920x1080
0x0a260006: HD4400/HD4600/HD5000
根據(jù)自己集成顯卡注入的ig-platform-id結(jié)合以下信息，選擇正確的補(bǔ)丁打入clover或者二進(jìn)制文件

<key>KextsToPatch</key>
<array>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0105(12), 0x0a2e0008, 0x0a16000c, 0x0a2e000d, 0x0a26000d</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AQUJAAAEAAAHAQAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AQUSAAAIAAAHAQAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0204, 0x0d220003, 0x0a2e000a, 0x0a26000a</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AgQKAAAEAACHAAAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AgQKAAAIAACHAAAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0204, 0x0a2e0008, 0x0a16000c, 0x0a2e000d, 0x0a26000d</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AgQJAAAEAAAHAQAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AgQJAAAIAAAHAQAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0105, 0x0a2e0008, 0x0a16000c, 0x0a2e000d, 0x0a26000d</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AQUJAAAEAAAHAQAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AQUJAAAIAAAHAQAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0204(12), 0x0d220003, 0x0a2e000a, 0x0a26000a</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AgQKAAAEAACHAAAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AgQSAAAIAACHAAAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0204, 0x0a260005 0x0a260006</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AgQJAAAEAACHAAAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AgQJAAAIAACHAAAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0105(12), 0x0a260005 0x0a260006, 0x0d220003, 0x0a2e000a, 0x0a26000a</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AQUJAAAEAACHAAAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AQUSAAAIAACHAAAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0204(12), 0x0a260005 0x0a260006</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AgQJAAAEAACHAAAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AgQSAAAIAACHAAAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0105, 0x0a260005 0x0a260006, 0x0d220003, 0x0a2e000a, 0x0a26000a</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AQUJAAAEAACHAAAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AQUJAAAIAACHAAAA
</data>
</dict>
<dict>
<key>Comment</key>
<string>HDMI-audio, port 0204(12), 0x0a2e0008, 0x0a16000c, 0x0a2e000d, 0x0a26000d</string>
<key>Disabled</key>
<true/>
<key>Find</key>
<data>
AgQJAAAEAAAHAQAA
</data>
<key>Name</key>
<string>AppleIntelFramebufferAzul</string>
<key>Replace</key>
<data>
AgQSAAAIAAAHAQAA
</data>
</dict>
</array>

復(fù)制代碼

此文來(lái)源于rehabman大神，原帖參考：[guide]Intel IGPU HDMI/DP audio：http://www.tonymacx86.com/threads/guide-intel-igpu-hdmi-dp-audio-sandy-ivy-haswell-broadwell.189495/

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