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drm/amd/display: Update function to get optimal number of taps
[Why] Diagnostics scaling test failing to set required number of vertical taps in 4:2:0 surface case [How] In dpp3_get_optimal_number_of_taps() need to use LB_MEMORY_CONFIG_3 for 4:2:0 surface case. In resource_build_scaling_params() make sure to also set plane res alpha enable based on updated surface state Signed-off-by: Eric Bernstein <eric.bernstein@amd.com> Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -1077,6 +1077,7 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx)
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* on certain displays, such as the Sharp 4k
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*/
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pipe_ctx->plane_res.scl_data.lb_params.depth = LB_PIXEL_DEPTH_30BPP;
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pipe_ctx->plane_res.scl_data.lb_params.alpha_en = plane_state->per_pixel_alpha;
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pipe_ctx->plane_res.scl_data.recout.x += timing->h_border_left;
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pipe_ctx->plane_res.scl_data.recout.y += timing->v_border_top;
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