DMUB_WINDOW_SHARED_STATE
memset(fb_info->fb[DMUB_WINDOW_SHARED_STATE].cpu_addr, 0,
fb_info->fb[DMUB_WINDOW_SHARED_STATE].size);
window_sizes[DMUB_WINDOW_SHARED_STATE] = max(DMUB_FW_HEADER_SHARED_STATE_SIZE, shared_state_size);
struct dmub_fb *shared_state_fb = params->fb[DMUB_WINDOW_SHARED_STATE];