On Tue, Nov 11, 2014 at 12:22:28PM +0000, Damien Lespiau wrote: > Have us always take the AUX power domain in the AUX ->transfer vfunc. > This won't toggle the power well on/off for each transfer if we > correctly wrap known heavy users of the AUX channel, intel_dp_detect(), > intel_dp_get_edid(), intel_dp_force and intel_dp_hpd_pulse() so we keep > the power well alive for the duration of those. This will also allow > one-of AUX transfers from DRM core when the power is down. This kind of high-freq flip-flop of power domains is why the linux power domain and runtime pm code has a disable timer. I guess as predicted, we'll eventually implement it all ;-) -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
