[Intel-gfx] [PATCH] drm/i915/bdw: don't try to check IPS state on BDW

Jesse Barnes jbarnes at virtuousgeek.org
Tue Jan 7 22:33:44 CET 2014


On Tue, 7 Jan 2014 17:49:05 -0200
Paulo Zanoni <przanoni at gmail.com> wrote:

> 2014/1/6 Jesse Barnes <jbarnes at virtuousgeek.org>:
> > According to Art, we don't have a way to read back the state reliably at
> > runtime, at least not without risking disabling it again.  So drop the
> > readout and checking on BDW.
> 
> Based on that, we also need to:
> - Replace the TODO comment at hsw_enable_ips() with something else
> - Move the POSTING_READ() at hsw_disable_ips() to the IS_HASWELL() case
> - Print "enisabled" when someone reads i915_ips_status on BDW

All good changes.  Just sent an updated patch.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center



More information about the Intel-gfx mailing list