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This is DSDT code for Nvidia GT 525M bundled on Toshiba laptops, it will give full opengl aceleration and brightness control.

Replace PEGP device with this code.

DSDT Code
Click on the right “View source” icon to get the code

            Device (PEGP)
            {
                Name (_ADR, 0xFFFF)
                Method (_DSM, 4, NotSerialized)
                {
                    Store (Package (0x38)
                        {
                            "AAPL,backlight-control", 
                            Buffer (0x04)
                            {
                                0x01, 0x00, 0x00, 0x00
                            }, 

                            "@0,backlight-control", 
                            Buffer (0x04)
                            {
                                0x01, 0x00, 0x00, 0x00
                            }, 

                            "AAPL,aux-power-connected", 
                            Buffer (0x04)
                            {
                                0x01, 0x00, 0x00, 0x00
                            }, 

                            "@0,AAPL,boot-display", 
                            Buffer (One)
                            {
                                0x01
                            }, 

                            "@0,display-cfg", 
                            Buffer (0x04)
                            {
                                0xFF, 0xFF, 0x36, 0x00
                            }, 

                            "@1,display-cfg", 
                            Buffer (0x04)
                            {
                                0x01, 0x3E, 0xFF, 0x00
                            }, 

                            "@0,built-in", 
                            Buffer (0x04)
                            {
                                0x00, 0x00, 0x00, 0x01
                            }, 

                            "@0,use-backlight-blanking", 
                            Buffer (0x04) {}, 
                            "AAPL,gray-page", 
                            Buffer (0x04)
                            {
                                0x01, 0x00, 0x00, 0x00
                            }, 

                            "AAPL00,inverter", 
                            Buffer (0x04)
                            {
                                0x00, 0x00, 0x00, 0x00
                            }, 

                            "AAPL,slot-name", 
                            Buffer (0x07)
                            {
                                "Slot-1"
                            }, 

                            "@1,can-hot-plug", 
                            Buffer (0x04) {}, 
                            "AAPL00,blackscreen.preferences", 
                            Buffer (0x04)
                            {
                                0x00, 0x00, 0x00, 0x08
                            }, 

                            "AAPL01,blackscreen.preferences", 
                            Buffer (0x04)
                            {
                                0x00, 0x00, 0x00, 0x08
                            }, 

                            "@0,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
                            }, 

                            "NVPM", 
                            Buffer (0x1C)
                            {
                                /* 0000 */    0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
                                /* 0008 */    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
                                /* 0010 */    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
                                /* 0018 */    0x00, 0x00, 0x00, 0x00
                            }, 

                            "@0,EDID", 
                            Buffer (0x80)
                            {
                                /* 0000 */    0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 
                                /* 0008 */    0x4C, 0xA3, 0x45, 0x32, 0x00, 0x00, 0x00, 0x00, 
                                /* 0010 */    0x00, 0x12, 0x01, 0x00, 0x80, 0x22, 0x13, 0x78, 
                                /* 0018 */    0x0A, 0x87, 0xF5, 0x94, 0x57, 0x4F, 0x8C, 0x27, 
                                /* 0020 */    0x27, 0x50, 0x54, 0x00, 0x00, 0x00, 0x01, 0x01, 
                                /* 0028 */    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 
                                /* 0030 */    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x41, 0x1C, 
                                /* 0038 */    0x56, 0xA0, 0x50, 0x00, 0x16, 0x30, 0x30, 0x20, 
                                /* 0040 */    0x25, 0x00, 0x58, 0xC2, 0x10, 0x00, 0x00, 0x19, 
                                /* 0048 */    0x00, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 
                                /* 0050 */    0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x87, 0x02, 
                                /* 0058 */    0x64, 0x01, 0x00, 0x00, 0x00, 0xFE, 0x00, 0x53, 
                                /* 0060 */    0x41, 0x4D, 0x53, 0x55, 0x4E, 0x47, 0x0A, 0x20, 
                                /* 0068 */    0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xFE, 
                                /* 0070 */    0x00, 0x4C, 0x54, 0x4E, 0x31, 0x35, 0x36, 0x41, 
                                /* 0078 */    0x54, 0x30, 0x32, 0x30, 0x30, 0x30, 0x00, 0x7C
                            }, 

                            "@0,compatible", 
                            Buffer (0x0B)
                            {
                                "NVDA,NVMac"
                            }, 

                            "@0,device_type", 
                            Buffer (0x08)
                            {
                                "display"
                            }, 

                            "@0,name", 
                            Buffer (0x0F)
                            {
                                "NVDA,Display-A"
                            }, 

                            "@1,compatible", 
                            Buffer (0x0B)
                            {
                                "NVDA,NVMac"
                            }, 

                            "@1,device_type", 
                            Buffer (0x08)
                            {
                                "display"
                            }, 

                            "@1,name", 
                            Buffer (0x0F)
                            {
                                "NVDA,Display-B"
                            }, 

                            "NVCAP", 
                            Buffer (0x18)
                            {
                                /* 0000 */    0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 
                                /* 0008 */    0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 
                                /* 0010 */    0x00, 0x00, 0x00, 0x00
                            }, 

                            "VRAM,totalsize", 
                            Buffer (0x04)
                            {
                                0x00, 0x00, 0x00, 0x40
                            }, 

                            "device_type", 
                            Buffer (0x0C)
                            {
                                "NVDA,Parent"
                            }, 

                            "model", 
                            Buffer (0x10)
                            {
                                "GeForce GT 525M"
                            }, 

                            "rom-revision", 
                            Buffer (0x0F)
                            {
                                "70.08.54.00.0B"
                            }
                        }, Local0)
                    DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                    Return (Local0)
                }

                Name (_PRW, Package (0x02)
                {
                    0x09, 
                    0x04
                })
            }

 

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