On Thu, Apr 26, 2018 at 06:27:26PM +0300, Ville Syrjälä wrote:
> On Thu, Apr 26, 2018 at 08:22:12AM -0700, Lucas De Marchi wrote:
> > On Thu, Apr 26, 2018 at 04:43:38PM +0300, Ville Syrjälä wrote:
> > > On Wed, Apr 25, 2018 at 02:55:24PM -0700, Lucas De Marchi wrote:
> > > > This became dead code with commit 309bd8ed464f ("drm/i915: Reinstate
> > > > GMBUS and AUX interrupts on gen4/g4x").
> > > >
> > > > Cc: Ville Syrjälä <[email protected]>
> > > > Signed-off-by: Lucas De Marchi <[email protected]>
> > > > ---
> > > > drivers/gpu/drm/i915/i915_drv.h | 3 +--
> > > > drivers/gpu/drm/i915/intel_dp.c | 22 +++++++---------------
> > > > drivers/gpu/drm/i915/intel_drv.h | 1 -
> > > > drivers/gpu/drm/i915/intel_psr.c | 2 +-
> > > > 4 files changed, 9 insertions(+), 19 deletions(-)
> > > >
> > > > diff --git a/drivers/gpu/drm/i915/i915_drv.h
> > > > b/drivers/gpu/drm/i915/i915_drv.h
> > > > index 8444ca8d5aa3..09e1c2289ea1 100644
> > > > --- a/drivers/gpu/drm/i915/i915_drv.h
> > > > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > > > @@ -2545,7 +2545,7 @@ intel_info(const struct drm_i915_private
> > > > *dev_priv)
> > > > IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
> > > >
> > > > /*
> > > > - * dp aux and gmbus irq on gen4 seems to be able to generate legacy
> > > > interrupts
> > > > + * gmbus irq on gen4 seems to be able to generate legacy interrupts
> > >
> > > Why are you removing vital information from the comment?
> >
> > Because it wouldn't match the code anymore. We always use aux irq.
>
> The comment is documenting the hardware behaviour. We don't want to lose
> that information.
IMO it's confusing to have the comment saying one thing and then code
not following it. Reading it again I see the second paragraph you added
actually document the code and the first the HW behavior. Maybe starting
the second paragraph with a "However" would make it clearer. Or I can just
drop this change in the comment.
thanks
Lucas De Marchi
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