> -----Original Message-----
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Sent: Monday, May 6, 2024 5:36 PM
> To: Murthy, Arun R <arun.r.murthy@xxxxxxxxx>
> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; Nikula, Jani <jani.nikula@xxxxxxxxx>
> Subject: Re: [PATCH] drm/i915/display/dp: Remove UHBR13.5 for icl
>
> On Mon, May 06, 2024 at 02:36:25PM +0530, Arun R Murthy wrote:
> > UHBR13.5 is not supported in icl+ as well. This has been removed for
> > mtl by the commit caf3d748f646 ("drm/i915/dp: Remove support for
> > UHBR13.5")
>
> icl/tgl/adl don't support UHBR at all. The numbers are there for dg2
> presumably, which I think does support this.
As per the recommendation from hardware team this is not supported on DG2 and MTL.
Thanks and Regards,
Arun R Murthy
-------------------
>
> >
> > Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/display/intel_dp.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> > b/drivers/gpu/drm/i915/display/intel_dp.c
> > index 163da48bc406..7098ca65701f 100644
> > --- a/drivers/gpu/drm/i915/display/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> > @@ -507,7 +507,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
> > };
> > static const int icl_rates[] = {
> > 162000, 216000, 270000, 324000, 432000, 540000, 648000,
> 810000,
> > - 1000000, 1350000,
> > + 1000000,
> > };
> > static const int bxt_rates[] = {
> > 162000, 216000, 243000, 270000, 324000, 432000, 540000
> > --
> > 2.25.1
>
> --
> Ville Syrjälä
> Intel
