MHL3 protocol requires device to respond to feature request from peer.
This minimal answer fulfills the requirement and allows to continue
negotiation.

Signed-off-by: Andrzej Hajda <a.ha...@samsung.com>
---
 drivers/gpu/drm/bridge/sil-sii8620.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c 
b/drivers/gpu/drm/bridge/sil-sii8620.c
index 744e685..3842226 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -1475,6 +1475,10 @@ static void sii8620_msc_mr_set_int(struct sii8620 *ctx)
                        break;
                }
        }
+       if (ints[MHL_INT_RCHANGE] & MHL_INT_RC_FEAT_REQ) {
+               sii8620_mt_set_int(ctx, MHL_INT_REG(RCHANGE),
+                                  MHL_INT_RC_FEAT_COMPLETE);
+       }
 }
 
 static struct sii8620_mt_msg *sii8620_msc_msg_first(struct sii8620 *ctx)
-- 
2.7.4

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