prev_top_pipe_to_program 1158 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c struct pipe_ctx *prev_top_pipe_to_program = prev_top_pipe_to_program 1262 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c (prev_top_pipe_to_program == NULL || prev_top_pipe_to_program->plane_state == NULL)) {