[PATCH 10/11] drm/amd/display: Check we got a stream in update_info_frame

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From: Hersen Wu <hersenxs.wu@xxxxxxx>

Change-Id: I649fd0d9a986a2a7474dafd262fa1b5282666ada
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 | 5 +++++
 1 file changed, 5 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 6dbfc570b8c6..ce56f23806bc 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
@@ -837,6 +837,11 @@ static enum dc_status bios_parser_crtc_source_select(
 
 void dce110_update_info_frame(struct pipe_ctx *pipe_ctx)
 {
+	ASSERT(pipe_ctx->stream);
+
+	if (pipe_ctx->stream_enc == NULL)
+		return;  /* this is not root pipe */
+
 	if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
 		pipe_ctx->stream_enc->funcs->update_hdmi_info_packets(
 			pipe_ctx->stream_enc,
-- 
2.9.3



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