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oldnapalm

Fix para tela cinza na GMA950 laptop

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Se o boot termina numa tela cinza, basta injetar as propriedades "AAPL,HasPanel" e "model".

 

Adicione o método _DSM no device GFX0

				Method (_DSM, 4, NotSerialized)
			{
				Store (Package (0x04)
					{
						"AAPL,HasPanel", 
						Buffer (0x04)
						{
							0x01, 0x00, 0x00, 0x00
						}, 

						"model", 
						Buffer (0x07)
						{
							"GMA950"
						}
					}, Local0)
				DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
				Return (Local0)
			}
 

Utiliza o método DTGP, se ainda não tiver, inclua no seu DSDT

    Method (DTGP, 5, NotSerialized)
   {
       If (LEqual (Arg0, Buffer (0x10)
               {
                   /* 0000 */    0xC6, 0xB7, 0xB5, 0xA0, 0x18, 0x13, 0x1C, 0x44, 
                   /* 0008 */    0xB0, 0xC9, 0xFE, 0x69, 0x5E, 0xAF, 0x94, 0x9B
               }))
       {
           If (LEqual (Arg1, One))
           {
               If (LEqual (Arg2, Zero))
               {
                   Store (Buffer (One)
                       {
                           0x03
                       }, Arg4)
                   Return (One)
               }

               If (LEqual (Arg2, One))
               {
                   Return (One)
               }
           }
       }

       Store (Buffer (One)
           {
               0x00
           }, Arg4)
       Return (Zero)
   }
 
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