DMUB_WINDOW_5_TRACEBUFF
memset(fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].cpu_addr, 0,
fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].size);
tbuf_base = (uint8_t *)fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].cpu_addr;
window_sizes[DMUB_WINDOW_5_TRACEBUFF] = trace_buffer_size;
struct dmub_fb *tracebuff_fb = params->fb[DMUB_WINDOW_5_TRACEBUFF];