On 26.06.2013 23:57, Julian Wollrath wrote: > Hi, > > I just tried the DPM support out on a E-450 APU (HD6320) and it did not > work like expected. In the terminal everything seemed ok but when I > started a display manager, the screen showed garbage and the system > basically locked up. The radeon and drm related parts of the syslog are > below. > > If you need further information, feel free to ask. >
I have the same problem with the same APU. Disabling power gating (set enable_gfx_power_gating to false in sumo_dpm.c:sumo_dpm_init) fixes it. So this problem may related to power gating. The difference in power consumption seems to be small, but I'd still prefer it working. By the way, the "disable_gfx_power_gating_in_uvd" quirk is not actually used, seems to be some leftover from debugging or such. Best regards Grigori
