drm/amdgpu: Implement the is_primary_gpu callback ofThere's unnecessary variation in the subject lines (and the commit
vga_client_register()
drm/radeon: Add an implement for the is_primary_gpu function callback
drm/i915: Add an implement for the is_primary_gpu hook
drm/ast: Register as a vga client to vgaarb by calling
vga_client_register()
drm/loongson: Add an implement for the is_primary_gpu function
callback
logs) of these patches. If they all do the same thing but in
different drivers, it's useful if the patches all*look* the same.
You might be able to write these subjects as
"Implement .is_primary_gpu() callback" for brevity.