[PATCH 12/20] drm/amd/display: LGD panel willl flash line under window

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From: Hersen Wu <hersenxs.wu@xxxxxxx>

Signed-off-by: Hersen Wu <hersenxs.wu at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 5e5763c0ee94..e8b8daeeed97 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1399,6 +1399,15 @@ static void power_down_encoders(struct dc *dc)
 	int i;
 	enum connector_id connector_id;
 	enum signal_type signal = SIGNAL_TYPE_NONE;
+
+	/* do not know BIOS back-front mapping, simply blank all. It will not
+	 * hurt for non-DP
+	 */
+	for (i = 0; i < dc->res_pool->stream_enc_count; i++) {
+		dc->res_pool->stream_enc[i]->funcs->dp_blank(
+					dc->res_pool->stream_enc[i]);
+	}
+
 	for (i = 0; i < dc->link_count; i++) {
 		connector_id = dal_graphics_object_id_get_connector_id(dc->links[i]->link_id);
 		if ((connector_id == CONNECTOR_ID_DISPLAY_PORT) ||
-- 
2.14.1



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