[PATCH 02/13] drm/amd/display: fix audio format not updated after edid updated

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From: Charlene Liu <Charlene.Liu@xxxxxxx>

[why]
for the case edid change only changed audio format.
driver still need to update stream.

Reviewed-by: Alvin Lee <Alvin.Lee2@xxxxxxx>
Reviewed-by: Aric Cyr <Aric.Cyr@xxxxxxx>
Acked-by: Alex Hung <alex.hung@xxxxxxx>
Signed-off-by: Charlene Liu <Charlene.Liu@xxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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 7af153434e9e..d251c3f3a714 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1685,8 +1685,8 @@ bool dc_is_stream_unchanged(
 	if (old_stream->ignore_msa_timing_param != stream->ignore_msa_timing_param)
 		return false;
 
-	// Only Have Audio left to check whether it is same or not. This is a corner case for Tiled sinks
-	if (old_stream->audio_info.mode_count != stream->audio_info.mode_count)
+	/*compare audio info*/
+	if (memcmp(&old_stream->audio_info, &stream->audio_info, sizeof(stream->audio_info)) != 0)
 		return false;
 
 	return true;
-- 
2.35.1




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