On Wed, May 10, 2017 at 05:19:32PM +0200, Daniel Vetter wrote: > The unconditionally fallback to the blocking wait_for resulted in > impressive fireworks at boot-up on my snb here. Make sure if we set > the slow timeout to 0 that we never ever sleep. The tail of the > callchain was > > intel_wait_for_register > -> __intel_wait_for_register_fw > -> usleep_range > -> BOOM > > It blew up in intel_crt_detect load detection code on the > ADPA_CRT_HOTPLUG_FORCE_TRIGGER in the ADPA register. > > v2: Shut up gcc. u32 uninitialized_var(reg_value) ? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
