drm/amd/display: fix is odm head pipe logic

Simply return true/false, don't iterate up the tree.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 f798fc28fb2a0d16e0d90a294f9208b81d72c6ec..3830e6ce13558bac96d34bd684c40c19eacfe5bd 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1305,18 +1305,13 @@ struct pipe_ctx *dc_res_get_odm_bottom_pipe(struct pipe_ctx *pipe_ctx)
 bool dc_res_is_odm_head_pipe(struct pipe_ctx *pipe_ctx)
 {
        struct pipe_ctx *top_pipe = pipe_ctx->top_pipe;
-       bool result = false;
 
+       if (!top_pipe)
+               return false;
        if (top_pipe && top_pipe->stream_res.opp == pipe_ctx->stream_res.opp)
                return false;
 
-       while (top_pipe) {
-               if (!top_pipe->top_pipe && top_pipe->stream_res.opp != pipe_ctx->stream_res.opp)
-                       result = true;
-               top_pipe = top_pipe->top_pipe;
-       }
-
-       return result;
+       return true;
 }
 
 bool dc_remove_plane_from_context(