https://bugzilla.kernel.org/show_bug.cgi?id=71891
--- Comment #31 from sdh sh.siddhartha@gmail.com --- I just noticed I'm getting the following errors during the sleep and wake up cycle:
[drm:rv730_stop_dpm] *ERROR* Could not force DPM to low [drm:rv770_dpm_set_power_state] *ERROR* rv770_set_sw_state failed
Kernel is 3.14.2-1-git-dirty with above patch