[PATCH] drm/amd/display:: Fix NULL pointer in Raven hotplug

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Programming sequence to frontend and backend has been switched.
In such case, program_scaler() is getting called when programming
frontend, and should be removed from backend programming routine.

Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 6c220a213ff2..9a93228718f4 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1369,13 +1369,6 @@ static enum dc_status apply_single_controller_ctx_to_hw(
 	}
 
 	pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->bottom_pipe != 0;
-	/* program_scaler and allocate_mem_input are not new asic */
-	if ((!pipe_ctx_old ||
-	     memcmp(&pipe_ctx_old->plane_res.scl_data, &pipe_ctx->plane_res.scl_data,
-		    sizeof(struct scaler_data)) != 0) &&
-	     pipe_ctx->plane_state) {
-		program_scaler(dc, pipe_ctx);
-	}
 
 	pipe_ctx->stream->sink->link->psr_enabled = false;
 
-- 
2.11.0



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