Re: [PATCH v5 2/6] drm/dp: Add helpers to query the branch DSC max throughput/line-width

[Imre Deak <imre.deak@intel.com>]

On Mon, Sep 29, 2025 at 12:00:03PM +0300, Dmitry Baryshkov wrote:
> On Mon, Sep 29, 2025 at 09:36:44AM +0300, Imre Deak wrote:
> > Add helpers to query the DP DSC sink device's per-slice throughput as
> > well as a DSC branch device's overall throughput and line-width
> > capabilities.
> > 
> > v2 (Ville):
> > - Rename pixel_clock to peak_pixel_rate, document what the value means
> >   in case of MST tiled displays.
> > - Fix name of drm_dp_dsc_branch_max_slice_throughput() to
> >   drm_dp_dsc_sink_max_slice_throughput().
> > v3:
> > - Fix the DSC branch device minimum valid line width value from 2560
> >   to 5120 pixels.
> > - Fix drm_dp_dsc_sink_max_slice_throughput()'s pixel_clock parameter
> >   name to peak_pixel_rate in header file.
> > - Add handling for throughput mode 0 granular delta, defined by DP
> >   Standard v2.1a.
> 
> This one got sent as a separate V5, without a proper changelog. What has
> changed?

This is v3 of the patch, the changes are listed under v3. The patchset's
version is v5.

> > Cc: dri-devel@lists.freedesktop.org
> > Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > Signed-off-by: Imre Deak <imre.deak@intel.com>
> > ---
> >  drivers/gpu/drm/display/drm_dp_helper.c | 156 ++++++++++++++++++++++++
> >  include/drm/display/drm_dp.h            |   3 +
> >  include/drm/display/drm_dp_helper.h     |   5 +
> >  3 files changed, 164 insertions(+)
> > 
> 
> -- 
> With best wishes
> Dmitry