[Bug 106959] kernel 4.18rc1 amdgpu can't 4k60hz over HDMI

https://bugs.freedesktop.org/show_bug.cgi?id=106959 --- Comment #17 from Öyvind Saether --- Created attachment 140267 --> https://bugs.freedesktop.org/attachment.cgi?id=140267=edit VP28U on HDMI dmesg with working kernel that gives 4k 60Hz dmesg with drm.debug=0x04 log_buf_len=5M on kernel

[Bug 106959] kernel 4.18rc1 amdgpu can't 4k60hz over HDMI

https://bugs.freedesktop.org/show_bug.cgi?id=106959 --- Comment #16 from Öyvind Saether --- Created attachment 140266 --> https://bugs.freedesktop.org/attachment.cgi?id=140266=edit VP28U on HDMI gives same result as PB27U, 24hz on that display ASUS PB27U or VP28U on HDMI produces the same

[Bug 106959] kernel 4.18rc1 amdgpu can't 4k60hz over HDMI

https://bugs.freedesktop.org/show_bug.cgi?id=106959 --- Comment #15 from Öyvind Saether --- Created attachment 140256 --> https://bugs.freedesktop.org/attachment.cgi?id=140256=edit dmesg after booting with drm.debug=0x04 log_buf_len=5M and switching to 24hz then back to 60hz with kernel that