[Intel-gfx] [PATCH] drm/i915/display: Cleanup intel_phy_is_combo()

[Murthy, Arun R]

> > > > > -----Original Message-----
> > > > > From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On
> > > > > Behalf Of Anusha Srivatsa
> > > > > Sent: Tuesday, July 19, 2022 12:42 AM
> > > > > To: intel-gfx at lists.freedesktop.org
> > > > > Subject: [Intel-gfx] [PATCH] drm/i915/display: Cleanup
> > > > > intel_phy_is_combo()
> > > > >
> > > > > No functional change. Cleanup the intel_phy_is_combo to
> > > > > accomodate for cases where combo phy is not available.
> > > > >
> > > > > Cc: Matt Roper <matthew.d.roper at intel.com>
> > > > > Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
> > > > > ---
> > > > >  drivers/gpu/drm/i915/display/intel_display.c | 9 +--------
> > > > >  1 file changed, 1 insertion(+), 8 deletions(-)
> > > > >
> > > > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> > > > > b/drivers/gpu/drm/i915/display/intel_display.c
> > > > > index a0f84cbe974f..b69208cf9a5e 100644
> > > > > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > > > > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > > > > @@ -2082,20 +2082,13 @@ bool intel_phy_is_combo(struct
> > > > > drm_i915_private *dev_priv, enum phy phy)  {
> > > > >  	if (phy == PHY_NONE)
> > > > >  		return false;
> > > > > -	else if (IS_DG2(dev_priv))
> > > > > -		/*
> > > > > -		 * DG2 outputs labelled as "combo PHY" in the bspec
> use
> > > > > -		 * SNPS PHYs with completely different programming,
> > > > > -		 * hence we always return false here.
> > > > > -		 */
> > > > > -		return false;
> > > > I feel it would be good to retain this. This is very well commented.
> > > > In future upon adding something like DISPLAY_VER(dev_priv) >= 11,
> > > > like the one done below can create confusion.
> > >
> > > What if I retain the comments with the code change?
> > >
> > Retaining this comment will do, but I feel this cleanup can be taken
> > upon updating this with the future platforms. Other can comment over
> here.
> 
> We need this for MTL. Hence the cleanup :)
> 
Can you float another version retaining the DG2 comments.

Thanks and Regards,
Arun R Murthy
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