[PATCH 20/27] drm/amd/display: Do not copy bottom pipe when map resource.

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From: Yongqiang Sun <yongqiang.sun@xxxxxxx>

Change-Id: I30658257832be3865f3f3af0b471fd490fab4426
Signed-off-by: Yongqiang Sun <yongqiang.sun at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index f1b1dae5399e..c38f71e45381 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1134,6 +1134,9 @@ enum dc_status resource_map_pool_resources(
 			if (!are_stream_backends_same(old_pipe_ctx->stream, stream))
 				continue;
 
+			if (old_pipe_ctx->top_pipe)
+				continue;
+
 			pipe_ctx->stream = stream;
 			copy_pipe_ctx(old_pipe_ctx, pipe_ctx);
 
-- 
2.10.2



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