| Message ID | 20240926072638.3689367-13-ankit.k.nautiyal@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Ultrajoiner basic functionality series | expand |
On Thu, Sep 26, 2024 at 12:56:35PM +0530, Ankit Nautiyal wrote: > From: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> > > When bigjoiner is used, we need at least 2 dsc slices per pipe. > Modify the condition in intel_dp_dsc_get_slice_count() to reflect the > same. > > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> > Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index a0afb4991334..eb92fda21e87 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -999,8 +999,12 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, > drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false)) > break; > > - /* big joiner needs small joiner to be enabled */ > - if (num_joined_pipes == 2 && test_slice_count < 4) > + /* > + * Bigjoiner needs small joiner to be enabled. > + * So there should be at least 2 dsc slices per pipe, > + * whenever bigjoiner is enabled. > + */ > + if (num_joined_pipes > 1 && valid_dsc_slicecount[i] < 2) > continue; > > if (min_slice_count <= test_slice_count) > -- > 2.45.2
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a0afb4991334..eb92fda21e87 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -999,8 +999,12 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false)) break; - /* big joiner needs small joiner to be enabled */ - if (num_joined_pipes == 2 && test_slice_count < 4) + /* + * Bigjoiner needs small joiner to be enabled. + * So there should be at least 2 dsc slices per pipe, + * whenever bigjoiner is enabled. + */ + if (num_joined_pipes > 1 && valid_dsc_slicecount[i] < 2) continue; if (min_slice_count <= test_slice_count)