From: Dmytro Laktyushkin <[email protected]>

This function needs to re-calculate the scaling on the pipe
that loses it's half.

Change-Id: I448583eb13f17f868377aab2b1a5d68beb43989f
Signed-off-by: Dmytro Laktyushkin <[email protected]>
Reviewed-by: Eric Bernstein <[email protected]>
Acked-by: Bhawanpreet Lakha <Bhawanpreet [email protected]>
---
 .../gpu/drm/amd/display/dc/core/dc_resource.c | 39 ++++++++++---------
 1 file changed, 21 insertions(+), 18 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 20966325852f..47b99458d319 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1184,24 +1184,27 @@ static int acquire_first_split_pipe(
        int i;
 
        for (i = 0; i < pool->pipe_count; i++) {
-               struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
-
-               if (pipe_ctx->top_pipe &&
-                               pipe_ctx->top_pipe->plane_state == 
pipe_ctx->plane_state) {
-                       pipe_ctx->top_pipe->bottom_pipe = pipe_ctx->bottom_pipe;
-                       if (pipe_ctx->bottom_pipe)
-                               pipe_ctx->bottom_pipe->top_pipe = 
pipe_ctx->top_pipe;
-
-                       memset(pipe_ctx, 0, sizeof(*pipe_ctx));
-                       pipe_ctx->stream_res.tg = pool->timing_generators[i];
-                       pipe_ctx->plane_res.hubp = pool->hubps[i];
-                       pipe_ctx->plane_res.ipp = pool->ipps[i];
-                       pipe_ctx->plane_res.dpp = pool->dpps[i];
-                       pipe_ctx->stream_res.opp = pool->opps[i];
-                       pipe_ctx->plane_res.mpcc_inst = pool->dpps[i]->inst;
-                       pipe_ctx->pipe_idx = i;
-
-                       pipe_ctx->stream = stream;
+               struct pipe_ctx *split_pipe = &res_ctx->pipe_ctx[i];
+
+               if (split_pipe->top_pipe && 
!dc_res_is_odm_head_pipe(split_pipe) &&
+                               split_pipe->top_pipe->plane_state == 
split_pipe->plane_state) {
+                       split_pipe->top_pipe->bottom_pipe = 
split_pipe->bottom_pipe;
+                       if (split_pipe->bottom_pipe)
+                               split_pipe->bottom_pipe->top_pipe = 
split_pipe->top_pipe;
+
+                       if (split_pipe->top_pipe->plane_state)
+                               
resource_build_scaling_params(split_pipe->top_pipe);
+
+                       memset(split_pipe, 0, sizeof(*split_pipe));
+                       split_pipe->stream_res.tg = pool->timing_generators[i];
+                       split_pipe->plane_res.hubp = pool->hubps[i];
+                       split_pipe->plane_res.ipp = pool->ipps[i];
+                       split_pipe->plane_res.dpp = pool->dpps[i];
+                       split_pipe->stream_res.opp = pool->opps[i];
+                       split_pipe->plane_res.mpcc_inst = pool->dpps[i]->inst;
+                       split_pipe->pipe_idx = i;
+
+                       split_pipe->stream = stream;
                        return i;
                }
        }
-- 
2.17.1

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