On 11/28/2013 08:12 AM, Armin K. wrote: > On 28.11.2013 15:05, Dan McGhee wrote: >> I'm belaboring this point in case any other LFS'ers get this chip. I'm >> really careful when it comes to recent AMD-Radeon graphics. Not knowing >> the incompatibility between Xorg and the recent chips, I burned up three >> laptops. Apparently, one of the lacks in those drivers is temperature >> sensing or fan management. So, I decided that until I could verify >> beyond a shadow of a doubt that an Xorg driver supported my chip, I was >> going to use the proprietary driver. >> > Kernels 3.11 and 3.12 include (very good) power management for OSS > radeon driver. It's not enabled by default though. Use radeon.dpm=1 > kernel parameter. You need whatever_dpm.bin microcode (firmware) for > your model for dpm to work though. > Thanks, Armin. I need to take a look at 3.12, just to see if there's anything new regarding UEFI firmware in addition to the radeon stuff.
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