It seems that the timeout is too small. A dirty fix replacing rdev->usec_timeout with 1000000 in rv770_send_msg_to_smc (drivers/gpu/drm/radeon/rv770_smc.c) works for me (both *ERROR*s in kernel log disappear, performance returns to normal).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1319589 Title: [drm:rv770_dpm_set_power_state] *ERROR* rv770_set_sw_state failed To manage notifications about this bug go to: https://bugs.launchpad.net/dri/+bug/1319589/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
