On Mon, Feb 14, 2022 at 10:13:42PM -0800, Matt Roper wrote: > Registers that exist within the MCH BAR and are mirrored into the GPU's > MMIO space are a good candidate to separate out into their own header. > > For reference, the mirror of the MCH BAR starts at the following > locations in the graphics MMIO space (the end of the MCHBAR range > differs slightly on each platform): > > * Pre-gen6: 0x10000 > * Gen6-Gen11 + RKL: 0x140000 > > v2: > - Create separate patch to swtich a few register definitions to be > relative to the MCHBAR mirror base. > - Drop upper bound of MCHBAR mirror from commit message; there are too > many different combinations between various platforms to list out, > and the documentation is spotty for the older pre-gen6 platforms > anyway. > > Bspec: 134, 51771 > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Suggested-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> -- Ville Syrjälä Intel
