W dniu 21 listopada 2009 13:51 użytkownik Rafał Miłecki <zaj...@gmail.com> napisał: > This adds dynamic engine reclocking when engine doesn't work too much. > > I calculate amount of not processed commands using fences. If that is > 0, I set planned action to DOWNCLOCK with some delay. If that amount > is bigger than 3 (just some my guess) i set planned action to UPCLOCK > (with delay). > > This keeps my engine downclocked when just using KDE or even starting > glxgears. > > When playing openarena this upclocks my engine. I didn't notice any > serious regression in openarena demo (I don't cound 0.5FPS drop). > > Please try this patch and developers please comment. After applying > this you have to load radeon module with parameter dynclks > modprobe radeon dynclks=1 > > To confirm you applied patch, recompiled kernel and used parameter try: > dmesg | grep "dynamic" > > TODO: > - calculate minimum engine clock using AtomBIOS data > - avoid ~10 horizontal black lines when reclocking > > LATER: > - wait for IRQ support, add memory reclocking > - add voltage changing > - consider other heuristics (more aggressive reclocking?)
You may want to apply this patch to watch engine changes -- Rafał
engine.debug.patch
Description: Binary data
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