UPDATE: As soon as I set the undervolt values to 0 everything is working back to normal I guess this was my issue so weird it gave that static MHZ with undervolting for any who can confirm this on there end hope this helped.

I have the steam deck LE OLED and can confirm the following three games only hit 200 or 1040 mhz on my OLED

-Star Ocean Second Story R

-Armored Core 6

- Forza Horizon

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When I lock the GPU all issues with perfomance go away but switching to another game after lock puts the manual clock to 200. Im just at a loss with what to do unless waiting for another update is the only way.