I recently tried to install the amdgpu package. After which i lost brightness display options.. i then removed the package but still do not have any brightness controls. my display is UNCLAIMED and not sure what to do hear

sudo lshw -c video
  *-display UNCLAIMED       
       description: VGA compatible controller
       product: Picasso/Raven 2 [Radeon Vega Series / Radeon Vega Mobile Series]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:03:00.0
       version: c3
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi msix vga_controller bus_master cap_list
       configuration: latency=0
       resources: memory:e0000000-efffffff memory:f0000000-f01fffff ioport:d000(size=256) memory:fe700000-fe77ffff memory:c0000-dffff
  *-graphics
       product: EFI VGA
       physical id: 2
       logical name: /dev/fb0
       capabilities: fb
       configuration: depth=32 resolution=1366,768

i have tried to remove amdgpu and reinstall original X11 settings