Dell laptop can`t access the discrete video cart

Hello,
I have huge problem. I have Dell Inspiron
CPU: intel i5-7200U
GPU: Intel + AMD R7 M445

On fresh install of Leap 42.2 performance is very bad freezing, laging… I thing the problem is with GPU`s

More info:

spci -k
00:00.0 Host bridge: Intel Corporation Device 5904 (rev 02)
        Subsystem: Dell Device 0767
00:02.0 VGA compatible controller: Intel Corporation Device 5916 (rev 02)
        Subsystem: Dell Device 0767
00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 02)
        Subsystem: Dell Device 0767
        Kernel driver in use: proc_thermal
        Kernel modules: processor_thermal_device
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
        Subsystem: Dell Device 0767
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
        Subsystem: Dell Device 0767
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
        Subsystem: Dell Device 0767
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
        Subsystem: Dell Device 0767
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
        Subsystem: Dell Device 0767
        Kernel driver in use: mei_me                                                                                                                                                                                                                                            
        Kernel modules: mei_me                                                                                                                                                                                                                                                  
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)                                                                                                                                                                                
        Subsystem: Dell Device 0767                                                                                                                                                                                                                                             
        Kernel driver in use: ahci                                                                                                                                                                                                                                              
        Kernel modules: ahci                                                                                                                                                                                                                                                    
00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1)                                                                                                                                                                                                                      
        Kernel driver in use: pcieport                                                                                                                                                                                                                                          
        Kernel modules: shpchp                                                                                                                                                                                                                                                  
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)                                                                                                                                                                                        
        Kernel driver in use: pcieport                                                                                                                                                                                                                                          
        Kernel modules: shpchp                                                                                                                                                                                                                                                  
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)                                                                                                                                                                                        
        Kernel driver in use: pcieport                                                                                                                                                                                                                                          
        Kernel modules: shpchp                                                                                                                                                                                                                                                  
00:1f.0 ISA bridge: Intel Corporation Device 9d58 (rev 21)                                                                                                                                                                                                                      
        Subsystem: Dell Device 0767                                                                                                                                                                                                                                             
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)                                                                                                                                                                                                      
        Subsystem: Dell Device 0767                                                                                                                                                                                                                                             
00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21)                                                                                                                                                                                                                    
        Subsystem: Dell Device 0767                                                                                                                                                                                                                                             
        Kernel driver in use: snd_hda_intel                                                                                                                                                                                                                                     
        Kernel modules: snd_hda_intel                                                                                                                                                                                                                                           
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)                                                                                                                                                                                                                
        Subsystem: Dell Device 0767                                                                                                                                                                                                                                             
        Kernel driver in use: i801_smbus                                                                                                                                                                                                                                        
        Kernel modules: i2c_i801                                                                                                                                                                                                                                                
01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT [Radeon R7 M260/M265 / M340/M360] (rev c3)                                                                                                                                                          
        Subsystem: Dell Device 0767                                                                                                                                                                                                                                             
        Kernel driver in use: amdgpu                                                                                                                                                                                                                                            
        Kernel modules: amdgpu                                                                                                                                                                                                                                                  
02:00.0 Network controller: Intel Corporation Wireless 3165 (rev 79)                                                                                                                                                                                                            
        Subsystem: Intel Corporation Device 4410                                                                                                                                                                                                                                
        Kernel driver in use: iwlwifi                                                                                                                                                                                                                                           
        Kernel modules: iwlwifi                                                                                                                                                                                                                                                 
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 07)                                                                                                                                                 
        Subsystem: Dell Device 0767                                                                                                                                                                                                                                             
        Kernel driver in use: r8169                                                                                                                                                                                                                                             
        Kernel modules: r8169

And output from
sudo cat /sys/kernel/debug/vgaswitcheroo/switch

cat: /sys/kernel/debug/vgaswitcheroo/switch: Няма такъв файл или директория ( No such directory of file) 

Fans of laptop is aways on high speed I can not understand what is going on ?

Any ideas ?