Handle the case with DP to HDMI PCON, where sink_format is set to YCbCr444.
In that case PCON is required to be configured to convert from given
output_format to YCbCR444.
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 837532952936..c3f3003c52ca 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2862,6 +2862,22 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp,
MISSING_CASE(crtc_state->output_format);
break;
}
+ } else if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR444) {
+ switch (crtc_state->output_format) {
+ case INTEL_OUTPUT_FORMAT_YCBCR420:
+ drm_WARN(&i915->drm,
+ crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420,
+ "Cannot convert YCbCr420->YCbCr444\n");
+ break;
+ case INTEL_OUTPUT_FORMAT_YCBCR444:
+ break;
+ case INTEL_OUTPUT_FORMAT_RGB:
+ rgb_to_ycbcr = true;
+ break;
+ default:
+ MISSING_CASE(crtc_state->output_format);
+ break;
+ }
}
tmp = ycbcr444_to_420 ? DP_CONVERSION_TO_YCBCR420_ENABLE : 0;
--
2.25.1
