Number of DSC slices can be shown in the DSC debugfs so that
test can take a call whether the configuration can support forcing
bigjoiner/ultrajoiner.
v2: used intel_dp_is_edp() as the parameter to
drm_dp_dsc_sink_max_slice_count() (Jani N)
Reviewed-by: Nemesa Garg <nemesa.garg@xxxxxxxxx> (v1)
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 | 2 ++
1 file changed, 2 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..a7c744654274 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1013,6 +1013,8 @@ 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));
+ seq_printf(m, "DSC_Sink_Max_Slice_Count: %d\n",
+ drm_dp_dsc_sink_max_slice_count((connector->dp.dsc_dpcd), intel_dp_is_edp(intel_dp)));
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
