Arch amdGPU not setting up its backlight

my journal is giving me,

archlinux kernel: amdgpu 0000:c2:00.0: Runtime PM not available

Apr 29 16:19:35 archlinux kernel: amdgpu 0000:c2:00.0: [drm] Skipping amdgpu DM backlight registration

Apr 29 16:19:35 archlinux kernel: amdgpu 0000:c2:00.0: [drm] Registered 4 planes with drm panic