Slow performance on 9070 in doom the dark ages

Hi all, I just updated to latest bazzite deck and I seeing much slower than normal performance on my 9070, down to the teens fps wise. 4k resolution and settings as I used a month ago with medium preset fsr balanced scaling enabled. I am running 42.20250908: Stable (F42.20250908) and mesa 25.2. All stats like memory and CPU use are fine but the GPU use is pegged very high, it is drawing about 200w and seems fully utilized. CPU is a 5600. Running off an nvme ssd.

Is there a problem with my setup or a specific build I should roll back to? Thanks.
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