From: Alvin Lee <alvin.l...@amd.com>
[Why]
When determining synchronzied vblank we don't need to compare the stream
with itself
[How]
If comparing same stream, continue to next iteration
Signed-off-by: Alvin Lee <alvin.l...@amd.com>
Reviewed-by: Jun Lei <jun....@amd.com>
Acked-by: Qingqing Zhuo <qingqing.z...@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 4ffdbcbcdfd4..8bf7c5bc946c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2015,6 +2015,10 @@ int dcn20_populate_dml_pipes_from_context(
pipe_cnt = i;
continue;
}
+
+ if (res_ctx->pipe_ctx[pipe_cnt].stream ==
res_ctx->pipe_ctx[i].stream)
+ continue;
+
if (dc->debug.disable_timing_sync ||
!resource_are_streams_timing_synchronizable(
res_ctx->pipe_ctx[pipe_cnt].stream,
res_ctx->pipe_ctx[i].stream)) {
--
2.17.1
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