From: Charlene Liu <[email protected]>

[ Upstream commit 5e8a71cf13bc9184fee915b2220be71b4c6cac74 ]

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

Reviewed-by: Alvin Lee <[email protected]>
Reviewed-by: Aric Cyr <[email protected]>
Acked-by: Alex Hung <[email protected]>
Signed-off-by: Charlene Liu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 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 18757c158523..bb8a762cf8da 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1664,8 +1664,8 @@ 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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