[Intel-gfx] [PATCH] drm/i915: report correct frequencies on SNB

Jesse Barnes jbarnes at virtuousgeek.org
Fri Mar 18 17:29:25 CET 2011


On Fri, 18 Mar 2011 12:14:33 +0000
Chris Wilson <chris at chris-wilson.co.uk> wrote:

> On Tue, 15 Mar 2011 12:07:23 -0700, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> > Fix up the debug file to report the right frequencies.  On SNB, we program
> > the PCU with a frequency ratio, which is multiplied by 100MHz on the CPU
> > side.  But GFX only runs at half that, so report it as such to avoid
> > confusion.
> 
> Jesse, you said you had a patch that superseded this one?

Yeah, need to update the DRM_DEBUG in intel_display.c as well, if
overclocking is detected.  I can send a new patch unless you want to
fix it up at apply time.

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



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