MacBook Pro 15-inch 2013 Early GPU panic (Help!)

Hello! Please, help with this problem!

*** Panic Report ***

panic(cpu 0 caller 0xffffff7f8ac86705): "GPU Panic: mux-regs 3 0 a0 d9 9 8 severity 3 switch-state 0 IG FBs 0 EG FBs 0:0 power-state 0 3D idle HDA idle : \n"@/Library/Caches/com.apple.xbs/Sources/AppleGraphicsControl/AppleGraphicsControl-3.14.49/src/AppleMuxControl/kext/GPUPanic.cpp:149

Backtrace (CPU 0), Frame : Return Address

0xffffff81e593af00 : 0xffffff80058e953c

0xffffff81e593af80 : 0xffffff7f8ac86705

0xffffff81e593aff0 : 0xffffff7f8b11877e

0xffffff81e593b0b0 : 0xffffff7f8b1eb0b8

0xffffff81e593b110 : 0xffffff7f8b1eb162

0xffffff81e593b140 : 0xffffff7f8b4991a4

0xffffff81e593b190 : 0xffffff7f8b498f4c

0xffffff81e593b240 : 0xffffff7f8b4b51a9

0xffffff81e593b280 : 0xffffff7f8b287467

0xffffff81e593b2b0 : 0xffffff7f8b285e70

0xffffff81e593b2f0 : 0xffffff7f8b2873e0

0xffffff81e593b320 : 0xffffff7f8b3ceca3

0xffffff81e593b350 : 0xffffff7f8b3c4ea7

0xffffff81e593b3f0 : 0xffffff7f8b3c5421

0xffffff81e593b450 : 0xffffff7f8b12f60d

0xffffff81e593b4a0 : 0xffffff7f8b3ca10e

0xffffff81e593b600 : 0xffffff7f8b3ca773

0xffffff81e593b6a0 : 0xffffff7f8b132404

0xffffff81e593b6d0 : 0xffffff7f8b22a0c9

0xffffff81e593b750 : 0xffffff7f8b229bc7

0xffffff81e593b780 : 0xffffff7f8b232c5f

0xffffff81e593b790 : 0xffffff7f8b1e815f

0xffffff81e593b7d0 : 0xffffff7f8b1e7a17

0xffffff81e593b820 : 0xffffff7f8b0ce93d

0xffffff81e593b840 : 0xffffff7f8b11b0ae

0xffffff81e593b860 : 0xffffff7f8b11b977

0xffffff81e593ba00 : 0xffffff7f8b11bb80

0xffffff81e593baa0 : 0xffffff7f8b0aa7c1

0xffffff81e593bb20 : 0xffffff7f8b0a9f8e

0xffffff81e593bb90 : 0xffffff7f8b0abe02

0xffffff81e593bbd0 : 0xffffff7f8ac1ff41

0xffffff81e593bc60 : 0xffffff7f8ac17816

0xffffff81e593bc90 : 0xffffff7f8b0ad16c

0xffffff81e593bce0 : 0xffffff8005e91051

0xffffff81e593bd30 : 0xffffff8005eeb1fd

0xffffff81e593bd80 : 0xffffff80059bcd62

0xffffff81e593bdd0 : 0xffffff80058ee7bc

0xffffff81e593be30 : 0xffffff80058cafb1

0xffffff81e593be80 : 0xffffff80058df777

0xffffff81e593bf10 : 0xffffff80059ea198

0xffffff81e593bfb0 : 0xffffff800589adb6

Kernel Extensions in backtrace:

com.apple.iokit.IOGraphicsFamily(515.3)[A423518D-758D-3021-A111-A59F44D760A8]@0xffffff7f8ac0d000->0xffffff7f8ac48fff

dependency: com.apple.iokit.IOPCIFamily(2.9)[3E00E7D2-E569-341D-9BE0-34D5DE491825]@0xffffff7f861b8000

com.apple.driver.AppleMuxControl(3.14.49)[E94DC546-FFEF-31AE-8D19-DBE9B7023088]@0xffffff7f8ac76000->0xffffff7f8ac8bfff

dependency: com.apple.driver.AppleGraphicsControl(3.14.49)[BA843D86-2E8D-33F5-8214-61C69BDC2D5E]@0xffffff7f8ac0a000

dependency: com.apple.iokit.IOACPIFamily(1.4)[4F7FB6AD-2498-3F71-827C-ED7AA4BF2511]@0xffffff7f8603a000

dependency: com.apple.iokit.IOPCIFamily(2.9)[3E00E7D2-E569-341D-9BE0-34D5DE491825]@0xffffff7f861b8000

dependency: com.apple.iokit.IOGraphicsFamily(515.3)[A423518D-758D-3021-A111-A59F44D760A8]@0xffffff7f8ac0d000

dependency: com.apple.driver.AppleBacklightExpert(1.1.0)[9D276DD1-4746-3504-A9D1-DA189588734D]@0xffffff7f8ac71000

com.apple.nvidia.driver.NVDAResman(10.1.7)[0B459CD3-9105-3AF5-96B0-F9BEA01315ED]@0xffffff7f8b0a8000->0xffffff7f8b399fff

dependency: com.apple.iokit.IOPCIFamily(2.9)[3E00E7D2-E569-341D-9BE0-34D5DE491825]@0xffffff7f861b8000

dependency: com.apple.iokit.IONDRVSupport(516.1)[480556A8-289E-3A63-83F8-0E9224255A68]@0xffffff7f8ac49000

dependency: com.apple.iokit.IOGraphicsFamily(515.3)[A423518D-758D-3021-A111-A59F44D760A8]@0xffffff7f8ac0d000

dependency: com.apple.AppleGraphicsDeviceControl(3.14.49)[FA94C7C0-04C2-3F83-9F96-0470C31E2AA3]@0xffffff7f8acc9000

com.apple.nvidia.driver.NVDAGK100Hal(10.1.7)[C5948D4C-6084-3BCD-9BFB-41F1EFFAF00D]@0xffffff7f8b39a000->0xffffff7f8b54cfff

dependency: com.apple.nvidia.driver.NVDAResman(10.1.7)[0B459CD3-9105-3AF5-96B0-F9BEA01315ED]@0xffffff7f8b0a8000

dependency: com.apple.iokit.IOPCIFamily(2.9)[3E00E7D2-E569-341D-9BE0-34D5DE491825]@0xffffff7f861b8000

BSD process name corresponding to current thread: WindowServer