Re: [PATCH] drm/i915: protect HSW power well check with IS_HASWELL in redisable_vga

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On Fri, 11 Oct 2013 18:39:01 -0300
Paulo Zanoni <przanoni@xxxxxxxxx> wrote:

> 2013/10/11 Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>:
> > This may need work if other platforms do the same thing, but in the
> > meantime we should avoid looking at HSW specific bits in this generic
> > function.
> >
> > Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_display.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index 53c4ea8..e1b19b4 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -10667,7 +10667,7 @@ void i915_redisable_vga(struct drm_device *dev)
> >          * level, just check if the power well is enabled instead of trying to
> >          * follow the "don't touch the power well if we don't need it" policy
> >          * the rest of the driver uses. */
> > -       if (HAS_POWER_WELL(dev) &&
> > +       if (IS_HASWELL(dev) &&
> 
> But today, HAS_POWER_WELL is exactly the same thing as IS_HASWELL, so
> you're not really changing anything besides coding style :)
> 
> I know you have plans to add power well support for other platforms,
> so: Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> 
> But this patch really makes sense only when inside some bigger series
> that we haven't seen yet. I'll leave the decision to merge it or not
> to Daniel.

The bigger series is coming, indulge me with this patch. :)

-- 
Jesse Barnes, Intel Open Source Technology Center
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