https://bugs.freedesktop.org/show_bug.cgi?id=102646
--- Comment #96 from magist3r magist3r@gmail.com --- (In reply to tempel.julian from comment #95)
but it forces VRAM into highest state with amdgpu.dc=1
Yes, and this is what the kernel code does to prevent flickering. My patch is only about doing the same thing with PP_OVERDRIVE_MASK enabled.