brightness problem with GTX 765M in iMac 11,1

Discussion in 'DSDT' started by CoolBits2, Apr 29, 2018.

  1. CoolBits2

    CoolBits2

    Joined:
    Apr 29, 2018
    Messages:
    6
    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    Apr 29, 2018 at 9:21 PM #1
    CoolBits2

    CoolBits2

    Joined:
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    Messages:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    Hello to all great hackers.
    I see a lot of knowledge in ACPI programming here.

    I would like to ask for some help because im not so good at this.

    I have an iMac from late 2009 with i5, 8Gb ram, ssd and now also GTX 765M, old 4850 died as they usualy do in imacs.
    The card works oob but without bootscreen and brightness regulation, same as many imacs with gpu changed to non apple.
    I know bootscreen needs apple efi, i will get to vbios hacking sometime later, for now it would be great to get brightness controls back and this is why im here.

    I think the problem is only in display detection as it looks like its not detected as built-in (AppleDisplay instead of AppleBuiltinDisplay in ioreg)
    imac.png

    I installed clover and tried some patches, also compared DSDT before and after new card but my knowledge ends here.
    Only difference i got is when i changed connector-type and properties in DSDT GFX0 device, black screen with mouse pointer and backlight working. (blind typing to get it back:))
    Seems like all usual patches are already present because its a real mac... well now its a frankentosh :)
    The problem is also that there is no bootscreen and clover options on boot, so if something goes wrong im stuck, also no windows installed yet.
    I tried some kexts in CLOVER/kexts/other because that can be disabled on blind on bootscreen.

    I would be very happy if someone could take a look and give some suggestions to try.
    Thanks.
     

    Attached Files:

  2. CoolBits2

    CoolBits2

    Joined:
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    Motherboard:
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    CPU:
    i5
    Graphics:
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    Mac:
    iMac
    Mobile Phone:
    iOS
    Apr 30, 2018 at 3:29 PM #2
    CoolBits2

    CoolBits2

    Joined:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    I found differences in ioreg under PNLF
    Screen Shot 2018-04-30 at 16.26.34.png
    How do i insert options from right ioreg window to my DSDT?
     
  3. CoolBits2

    CoolBits2

    Joined:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    May 3, 2018 at 6:01 PM #3
    CoolBits2

    CoolBits2

    Joined:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
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    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    I started adding options to my patched DSDT that are present in imac with original card and missing in mine, and discovered why i got black screen with mouse visible and backlight.
    I must have all 4 connectors inside @0..3, if i put only @3 (where my display is connected) i get black screen.
    This is currently in my DSDT under GFX0:
    Code:
    Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                        {
                            If (LEqual (Arg0, ToUUID ("a0b5b7c6-1318-441c-b0c9-fe695eaf949b")))
                            {
                                If (LNotEqual (And (VID0, 0xFFFF), 0xFFFF))
                                {
                                    Store (Package (0x28)
                                        {
                                            "AAPL,backlight-control",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                      
                                            },
    
                                            "AAPL01,blackscreen-preferences",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x08                      
                                            },
    
                                            "AAPL00,inverterFrequency",
                                            Buffer (0x04)
                                            {
                                                 0x08, 0x52, 0x00, 0x00                      
                                            },
    
                                            "AAPL,aux-power-connected",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                      
                                            },
    
                                            "bksv",
                                            Buffer (0x04)
                                            {
                                                 0x9F, 0x00, 0x00, 0x00                      
                                            },
    
                                            "subsystem-id",
                                            Buffer (0x04)
                                            {
                                                 0xB5, 0x00, 0x00, 0x00                      
                                            },
    
                                            "subsystem-vendor-id",
                                            Buffer (0x04)
                                            {
                                                 0x6B, 0x10, 0x00, 0x00                      
                                            },
    
                                            "@0,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                      
                                            },
    
                                            "@1,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                      
                                            },
    
                                            "@2,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                      
                                            },
    
                                            "@3,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x04, 0x00, 0x00, 0x00                      
                                            },
    
                                            "@3,display-inverter",
                                            Buffer (0x04)
                                            {
                                                 0x02, 0x00, 0x00, 0x00                      
                                            },
    
                                            "@3,AAPL,boot-display",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                      
                                            },
    
                                            "@3,display-dither-support",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                      
                                            },
    
                                            "@3,backlight-PWM-freq",
                                            Buffer (0x04)
                                            {
                                                 0x08, 0x52, 0x00, 0x00                      
                                            },
    
                                            "@3,display-inverter-default-cycle",
                                            Buffer (One)
                                            {
                                                 0xB7                                        
                                            },
    
                                            "@3,NVDA,ActiveFlags",
                                            0x0100,
                                            "@3,NVDA,ControlFlags",
                                            0x0100,
                                            "@3,inverter-current",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                      
                                            },
    
                                            "hda-gfx",
                                            Buffer (0x0A)
                                            {
                                                "onboard-1"
                                            }
                                        }, Local0)
                                    DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                                    Return (Local0)
                                }
                            }
    No more black screen and dither is enabled which is nice, all options are visible in ioreg and so valid.

    If i add
    Code:
    "@3,built-in",
    Buffer (Zero) {}
    i still get black screen (no mouse and no backlight) and with remote display i see that display is not connected.

    What is AGPM gpu-control? This is usualy under @0 but if i add "built-in" option to @3, AGPM connects to @3 and no display...
    I would really appreciate little help.
     
    Last edited: May 3, 2018
  4. kmare

    kmare

    Joined:
    Oct 10, 2010
    Messages:
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    Motherboard:
    ud3p
    CPU:
    q9550
    Graphics:
    8800gt
    May 27, 2018 at 1:48 PM #4
    kmare

    kmare

    Joined:
    Oct 10, 2010
    Messages:
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    Motherboard:
    ud3p
    CPU:
    q9550
    Graphics:
    8800gt
    Hi CoolBits, will likely join you sometime soon with the GTX765M. Just waiting for my 6970 to fail. There are a number of threads that are relevant for backlighting fixes on hackintosh laptops -- search for "backlight dsdt nvidia" etc. May even be a GTX765 fix out there!
     
  5. CoolBits2

    CoolBits2

    Joined:
    Apr 29, 2018
    Messages:
    6
    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    May 27, 2018 at 2:47 PM #5
    CoolBits2

    CoolBits2

    Joined:
    Apr 29, 2018
    Messages:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    Hi. Yes i read all relevant threads and it seems easy to do it on a hack but not so much on a real mac because all usual hacks are already present here.
    But i got it to recognize display as internal and got brightness controls back but the brightness doesnt actualy change yet.
    1445543511_ScreenShot2018-05-13at00_04_16.thumb.png.b54b3b6c9c7f553821936163a149bd85.png
     
  6. pn0

    pn0

    Joined:
    Mar 14, 2011
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    1
    Mac:
    iMac, MacBook Pro, Mac mini
    Sep 6, 2018 at 6:40 PM #6
    pn0

    pn0

    Joined:
    Mar 14, 2011
    Messages:
    1
    Mac:
    iMac, MacBook Pro, Mac mini
    Hello, CoolBits! Any news on your research?
     
  7. CoolBits2

    CoolBits2

    Joined:
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    Messages:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    Sep 6, 2018 at 8:28 PM #7
    CoolBits2

    CoolBits2

    Joined:
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    Messages:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    No nothing since last post, imac works but brightness still on ful blast.
    This also generates more heat so i need to find a solution, did not have much time to play with this.
     
  8. PhuketMyMac

    PhuketMyMac

    Joined:
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    Messages:
    3
    Nov 9, 2018 at 12:28 PM #8
    PhuketMyMac

    PhuketMyMac

    Joined:
    Apr 19, 2017
    Messages:
    3
    Hi CoolBits2,

    Do you mind sharing your DSDT please?
    I also bought a 765M GPU for my 27" iMac.

    Willing to try your hack and clover.
    Thanks in advance!
     
  9. CoolBits2

    CoolBits2

    Joined:
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    Messages:
    6
    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    Nov 11, 2018 at 6:45 PM #9
    CoolBits2

    CoolBits2

    Joined:
    Apr 29, 2018
    Messages:
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    Motherboard:
    iMac 11,1
    CPU:
    i5
    Graphics:
    GTX 765M
    Mac:
    iMac
    Mobile Phone:
    iOS
    Yes no problem.
    In clover i changed board-id under smbios (on picture) and under Rt Variables i changed BooterConfig (0x0028) and CsrActiveConfig (0x0067) to disable system protection.

    Screen Shot 2018-11-11 at 19.33.57.png Screen Shot 2018-11-11 at 19.34.21.png
    In DSDT i only modified under Device (GFX0) connector-types, display-connect-flags, hotplug, etc...
    Probably not all is needed but experimenting.

    Code:
                    Device (GFX0)
                    {
                        Name (_ADR, Zero)  // _ADR: Address
                        Name (_PRW, Package (0x02)  // _PRW: Power Resources for Wake
                        {
                            0x09,
                            0x04
                        })
                        OperationRegion (PEGH, PCI_Config, Zero, 0x40)
                        Field (PEGH, ByteAcc, NoLock, Preserve)
                        {
                            VID0,   16,
                            DID0,   16
                        }
    
                        Method (_DOD, 0, NotSerialized)  // _DOD: Display Output Devices
                        {
                            Return (Package (0x01)
                            {
                                0x80002400
                            })
                        }
    
                        Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                        {
                            If (LEqual (Arg0, ToUUID ("a0b5b7c6-1318-441c-b0c9-fe695eaf949b")))
                            {
                                If (LNotEqual (And (VID0, 0xFFFF), 0xFFFF))
                                {
                                    Store (Package (0x50)
                                        {
                                            "graphic-options",
                                            Buffer (0x04)
                                            {
                                                 0x0C, 0x00, 0x00, 0x00                       
                                            },
    
                                            "built-in",
                                            Buffer (One)
                                            {
                                                 0x00                                         
                                            },
    
                                            "AAPL,backlight-control",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                       
                                            },
    
                                            "AAPL00,inverterFrequency",
                                            Buffer (0x04)
                                            {
                                                 0x1C, 0x02, 0x00, 0x00                       
                                            },
    
                                            "AAPL00,inverter",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "AAPL00,DataJustify",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                       
                                            },
    
                                            "AAPL,aux-power-connected",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                       
                                            },
    
                                            "AAPL,interrupts",
                                            Buffer (0x08)
                                            {
                                                 0x10, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00
                                            },
    
                                            "subsystem-id",
                                            Buffer (0x04)
                                            {
                                                 0x10, 0x00, 0x00, 0x00                       
                                            },
    
                                            "com-master-varp",
                                            Buffer (0x08)
                                            {
                                                 0x00, 0x60, 0x81, 0xC4, 0x81, 0xFF, 0xFF, 0xFF
                                            },
    
                                            "NVDA,invalid-config",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "AAPL01,blackscreen-preferences",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "NVCAP",
                                            Buffer (0x14)
                                            {
                                                /* 0000 */  0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
                                                /* 0008 */  0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E,
                                                /* 0010 */  0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@0,connector-type",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x04, 0x00, 0x00                       
                                            },
    
                                            "@1,connector-type",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x04, 0x00, 0x00                       
                                            },
    
                                            "@2,connector-type",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,connector-type",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x04, 0x00, 0x00                       
                                            },
    
                                            "@0,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x04, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@1,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@2,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,display-connect-flags",
                                            Buffer (0x04)
                                            {
                                                 0x04, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@1,can-hot-plug",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,can-hot-plug",
                                            Buffer (0x04) {},
                                            "@3,built-in",
                                            Buffer (Zero) {},
                                            "@3,pwm-info",
                                            Buffer (0x18)
                                            {
                                                /* 0000 */  0x02, 0x18, 0x00, 0x64, 0x90, 0x59, 0x02, 0x00,
                                                /* 0008 */  0x08, 0x52, 0x00, 0x00, 0xA5, 0x1C, 0x00, 0x00,
                                                /* 0010 */  0x00, 0x04, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00
                                            },
    
                                            "@3,dpcd-registers",
                                            Buffer (0x0700)
                                            {
                                                /* 0000 */  0x11, 0x0A, 0x84, 0x01, 0x01, 0x00, 0x01, 0x80,
                                                /* 0008 */  0x02, 0x01, 0x04, 0x01, 0x0F, 0x00, 0x00, 0x00,
                                                /* 0010 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0018 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0020 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0028 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0030 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0038 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0040 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0048 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0050 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0058 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0060 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0068 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0070 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0078 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0080 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0088 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0090 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0098 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00A0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00A8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0100 */  0x0A, 0x84, 0x00, 0x08, 0x08, 0x08, 0x08, 0x10,
                                                /* 0108 */  0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0110 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0118 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0120 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0128 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0130 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0138 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0140 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0148 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0150 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0158 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0160 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0168 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0170 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0178 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0180 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0188 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0190 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0198 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01A0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01A8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 01F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0200 */  0x01, 0x00, 0x77, 0x77, 0x01, 0x01, 0x44, 0x44,
                                                /* 0208 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0210 */  0x58, 0x80, 0x5E, 0x80, 0x55, 0x80, 0x53, 0x80,
                                                /* 0218 */  0x00, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0220 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0228 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0230 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0238 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0240 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0248 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0250 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0258 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0260 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0268 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0270 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0278 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0280 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0288 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0290 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0298 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02A0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02A8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 02F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0300 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0308 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0310 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0318 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0320 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0328 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0330 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0338 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0340 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0348 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0350 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0358 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0360 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0368 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0370 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0378 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0380 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0388 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0390 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0398 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03A0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03A8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 03F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0400 */  0x00, 0x10, 0xFA, 0x4D, 0x4F, 0x4E, 0x32, 0x37,
                                                /* 0408 */  0x61, 0x11, 0x13, 0x34, 0x11, 0x04, 0x00, 0x00,
                                                /* 0410 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0418 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0420 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0428 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0430 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0438 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0440 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0448 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0450 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0458 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0460 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0468 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0470 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0478 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0480 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0488 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0490 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0498 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04A0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04A8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 04F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0500 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0508 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0510 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0518 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0520 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0528 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0530 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0538 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0540 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0548 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0550 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0558 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0560 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0568 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0570 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0578 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0580 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0588 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0590 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0598 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05A0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05A8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 05F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0600 */  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0608 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0610 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0618 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0620 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0628 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0630 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0638 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0640 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0648 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0650 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0658 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0660 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0668 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0670 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0678 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0680 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0688 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0690 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0698 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06A0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06A8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 06F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
                                            },
    
                                            "@3,display-dither-support",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,fboffset",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x02, 0x00                       
                                            },
    
                                            "@3,av-signal-type",
                                            Buffer (0x04)
                                            {
                                                 0x10, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,EDID",
                                            Buffer (0x0100)
                                            {
                                                /* 0000 */  0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
                                                /* 0008 */  0x06, 0x10, 0xB5, 0x9C, 0x00, 0x00, 0x00, 0x00,
                                                /* 0010 */  0x1C, 0x13, 0x01, 0x04, 0xA5, 0x3C, 0x22, 0x78,
                                                /* 0018 */  0x22, 0x6F, 0xB1, 0xA7, 0x55, 0x4C, 0x9E, 0x25,
                                                /* 0020 */  0x0C, 0x50, 0x54, 0x00, 0x00, 0x00, 0x01, 0x01,
                                                /* 0028 */  0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
                                                /* 0030 */  0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x56, 0x5E,
                                                /* 0038 */  0x00, 0xA0, 0xA0, 0xA0, 0x29, 0x50, 0x30, 0x20,
                                                /* 0040 */  0x35, 0x00, 0x55, 0x50, 0x21, 0x00, 0x00, 0x1A,
                                                /* 0048 */  0x1A, 0x1D, 0x00, 0x80, 0x51, 0xD0, 0x1C, 0x20,
                                                /* 0050 */  0x40, 0x80, 0x35, 0x00, 0x55, 0x50, 0x21, 0x00,
                                                /* 0058 */  0x00, 0x1C, 0x00, 0x00, 0x00, 0x02, 0x01, 0x06,
                                                /* 0060 */  0x10, 0x01, 0x0A, 0x01, 0x00, 0x00, 0x00, 0x00,
                                                /* 0068 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC,
                                                /* 0070 */  0x00, 0x43, 0x6F, 0x6C, 0x6F, 0x72, 0x20, 0x4C,
                                                /* 0078 */  0x43, 0x44, 0x0A, 0x20, 0x20, 0x20, 0x01, 0x08,
                                                /* 0080 */  0x02, 0x03, 0x0C, 0xC1, 0x23, 0x09, 0x07, 0x07,
                                                /* 0088 */  0x83, 0x01, 0x00, 0x00, 0x56, 0x5E, 0x00, 0xA0,
                                                /* 0090 */  0xA0, 0xA0, 0x29, 0x50, 0x30, 0x20, 0x35, 0x00,
                                                /* 0098 */  0x55, 0x50, 0x21, 0x00, 0x00, 0x1A, 0x1A, 0x1D,
                                                /* 00A0 */  0x00, 0x80, 0x51, 0xD0, 0x1C, 0x20, 0x40, 0x80,
                                                /* 00A8 */  0x35, 0x00, 0x55, 0x50, 0x21, 0x00, 0x00, 0x1C,
                                                /* 00B0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00B8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00C0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00C8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00D0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00D8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00E0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00E8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00F0 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 00F8 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13
                                            },
    
                                            "@3,port-number",
                                            Buffer (0x04)
                                            {
                                                 0x07, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,use-backlight-blanking",
                                            Buffer (Zero) {},
                                            "@3,display-power-sequence",
                                            Buffer (0x30)
                                            {
                                                /* 0000 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0008 */  0x01, 0x00, 0x00, 0x00, 0xC8, 0x00, 0x00, 0x00,
                                                /* 0010 */  0xC8, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
                                                /* 0018 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0020 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                                /* 0028 */  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
                                            },
    
                                            "@3,backlight-control",
                                            Buffer (0x04)
                                            {
                                                 0x01, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,AAPL,gray-value",
                                            Buffer (0x04)
                                            {
                                                 0x00, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,NVDA,UnderscanMin",
                                            Buffer (0x04)
                                            {
                                                 0x52, 0x00, 0x00, 0x00                       
                                            },
    
                                            "@3,AAPL,boot-display",
                                            Buffer (Zero) {},
                                            "@3,dpcd-post-training",
                                            Buffer (0x06)
                                            {
                                                 0x77, 0x77, 0x01, 0x00, 0x00, 0x00           
                                            },
    
                                            "@3,nativeNDRV",
                                            Buffer (0x05)
                                            {
                                                "advn"
                                            },
    
                                            "hda-gfx",
                                            Buffer (0x0A)
                                            {
                                                "onboard-1"
                                            }
                                        }, Local0)
                                    DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                                    Return (Local0)
                                }
                            }
    
                            Return (0x80000002)
                        }
                    }
    Please share your findings.
     

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