On Wed, May 10, 2017 at 05:06:38PM +0100, Chris Wilson wrote: > 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) ? Polished to v3 and applied, thanks for your review. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
