> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Swati > Sharma > Sent: Tuesday, December 10, 2024 7:36 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Nautiyal, Ankit K <ankit.k.nautiyal@xxxxxxxxx>; Sharma, Swati2 > <swati2.sharma@xxxxxxxxx> > Subject: [PATCH 1/1] drm/i915/dsc: Expose dsc sink max slice count via > debugfs > > Expose dsc sink max slice count via i915_dsc_fec_support debugfs. > This debugfs entry is required in cases, where sink doesn't support minimum > of 8 slices in case of ultrajoiner and minimum of 4 slices in case of big joiner. > > Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3387 > Signed-off-by: Swati Sharma <swati2.sharma@xxxxxxxxx> > --- > drivers/gpu/drm/i915/display/intel_display_debugfs.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c > b/drivers/gpu/drm/i915/display/intel_display_debugfs.c > index 3eb7565cd83c..4823d27cafb5 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c > +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c > @@ -1013,6 +1013,12 @@ static int i915_dsc_fec_support_show(struct > seq_file *m, void *data) > > DP_DSC_YCbCr444))); > seq_printf(m, "DSC_Sink_BPP_Precision: %d\n", > drm_dp_dsc_sink_bpp_incr(connector- > >dp.dsc_dpcd)); > + if (intel_dp_is_edp(intel_dp)) > + seq_printf(m, "DSC_Sink_Max_Slice_Count: %d\n", > + > drm_dp_dsc_sink_max_slice_count((connector->dp.dsc_dpcd), true)); > + else > + seq_printf(m, "DSC_Sink_Max_Slice_Count: %d\n", > + > drm_dp_dsc_sink_max_slice_count((connector->dp.dsc_dpcd), > +false)); LGTM, Reviewed-by: Nemesa Garg <nemesa.garg@xxxxxxxxx> > seq_printf(m, "Force_DSC_Enable: %s\n", > str_yes_no(intel_dp->force_dsc_en)); > if (!intel_dp_is_edp(intel_dp)) > -- > 2.25.1
