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.hajda@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)