DOOM Eternal

Installed a DLSS Unlocker mod then typed the following launch option: WINEDLLOVERRIDES="WINMM=n,b" %command% 

Manual CPU Clock: 1000 MHz 
Aspect Ratio: 16:10 (Native) 
Resolution: 1280x800 (Native) 
Vertical Sync: On 
Enable HDR: Off 
Render Mode: Subjective 
Raytracing: Off 
DLSS: Balanced 
DLSS Sharpness: 50 
Overall Quality: Low 
Chromatic Aberration: Subjective 
Sharpening: Subjective 
Film Grain: Subjective 
Resolution Scaling Mode: Static 
Resolution Scale: 80 
Depth of Field: On 
Depth of Field Anti-Aliasing: On 

After these settings you get the same quality as the Nintendo Switch port of DOOM Eternal but with a higher framerate 

Motion blur off
FOV 110
Chromatic aberation off
Resolution scaling dynamic
All else default
If you put the deck to sleep and then wake it, the game goes into offline mode and it can increase the battery life.