On Wed, 08 May 2024, "Murthy, Arun R" <arun.r.murthy@xxxxxxxxx> wrote: >> -----Original Message----- >> From: Nikula, Jani <jani.nikula@xxxxxxxxx> >> Sent: Wednesday, May 8, 2024 3:29 PM >> To: Murthy, Arun R <arun.r.murthy@xxxxxxxxx>; Ville Syrjälä >> <ville.syrjala@xxxxxxxxxxxxxxx> >> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx >> Subject: RE: [PATCH] drm/i915/display/dp: Remove UHBR13.5 for icl >> >> On Wed, 08 May 2024, "Murthy, Arun R" <arun.r.murthy@xxxxxxxxx> wrote: >> > This is the limitation from the retimer hardware. >> >> The commit message needs to reflect this. >> >> Do all units have a retimer with the limitation? Or could you have a DG2 >> without the limitation? Do we need to check for that instead of blanket removal >> of UHBR 13.5 for DG2? >> > Changed the commit msg as below > > Display 12+ hardware supports UHBR13.5 Not true. > but due to the retimer constraints platform doesn't support UHBR13.5. Which platform? > This is the same for mtl and UHBR13.5 is removed as part of the commit caf3d748f646 ("drm/i915/dp: Remove support for UHBR13.5") > This patch removes UHBR13.5 support for icl/dg2. ICL does not support UHBR 13.5. BR, Jani. > > Thanks and Regards, > Arun R Murthy > -------------------- >> BR, >> Jani. >> >> >> -- >> Jani Nikula, Intel -- Jani Nikula, Intel