Hi
This gives me a blank screen when booting on my Ryzen 9 5900HX Laptop
03:00.0 Display controller [0380]: Advanced Micro Devices, Inc.
[AMD/ATI] Navi 22 [Radeon RX 6700/6700 XT/6750 XT / 6800M/6850M XT]
[1002:73df] (rev c3)
08:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
From: Zhongwei
[Why]
disable_vbios_mode_if_required() will set dpms_off to false during boot
when pixel clk dismatches with driver requires. This will cause extra
backlight on and off if OS call 2 times setmode.
[How]
Set dpms_off to true to keep power_off and let OS control backlight by
