I thought refresh rate is programmable. But if not, at least firmware could lower the DRAM frequency. Intel GPUs have write-back caches because they share L3 c

I thought refresh rate is programmable. But if not, at least firmware could lower the DRAM frequency. Intel GPUs have write-back caches because they share L3 cache with CPU cores. AFAIK, other GPUs typically have write-through caches, which doesn't help against rowhammer.