If we don't have a surface in dc_commit_streams scl_data won't get
populated in resource_build_scaling_params_for_context. In this case we
shouldn't attempt to program the scaler.
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
pipe_ctx->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->scl_data,
- &pipe_ctx->scl_data,
- sizeof(struct scaler_data)) != 0)
+ if ((!pipe_ctx_old ||
+ memcmp(&pipe_ctx_old->scl_data, &pipe_ctx->scl_data,
+ sizeof(struct scaler_data)) != 0) &&
+ pipe_ctx->surface) {
program_scaler(dc, pipe_ctx);
+ }
/* mst support - use total stream count */
#if defined(CONFIG_DRM_AMD_DC_DCN1_0)