Windows latest APU driver broke brightness slider

[jetfire890501]

device: deck LCD dual booting windows 11 23H2 with latest APU driver installed

the latest APU driver broke brightness slider as in the screen brightness does not change accordingly to the slider value (0 does not set to min. brightness and vice versa). Instead some "wiggling" is needed to dim/brighten the screen. For example sliding back and forth in the slider region below 50 can dim the screen.

I've heard the latest Amernime custom driver also has this issue, so maybe it's AMD's problem, but I would truly like Valve to fix it

[Wii_is_Tom]

I'm experiencing the exact same issue. Surprised I'm not seeing more posts about it. I guess most people don't bother updating their drivers after the initial install. Although I'm certainly regretting updating right now so maybe they're onto something.

[Lemon Tea]

Same issue here as well, even after installing latest windows updates and reinstalling APU driver.

[Mr Cook]

Originally posted by Wii_is_Tom:

I guess most people don't bother updating their drivers after the initial install. Although I'm certainly regretting updating right now so maybe they're onto something.

I can confirm I haven't I updated win drivers after the initial setup :D

[deaddoof]

I've heard the latest Amernime custom driver also has this issue, so maybe it's AMD's problem, but I would truly like Valve to fix it

Valve doesn't own the code base. How can Valve fix it? Steam deck uses a custom APU from Magic Leap 2 silicon

https://www.techspot.com/news/101341-custom-steam-deck-apu-amd-exposed-detailed-die.html

ID and other buses are custom and require constant maintenance on all platforms including Linux.

[要你命3000]

I had the same problem, the brightness adjustment in Windows became very weird, so I had to downgrade the APU driver, apparently the Windows platform is not a priority for Valve

[Win_7]

i have the same problem maybe someone has a link to the previous driver that didnt have this issue? does it have any downsides
but it isnt a terrible dealbreaker