1  /* SPDX-License-Identifier: GPL-2.0-only */
 2  
 3  #include <assert.h>
 4  #include <bootmode.h>
 5  #include <security/vboot/misc.h>
 6  #include <vb2_api.h>
 7  
 8  static int gfx_init_done = -1;
 9  
10  int gfx_get_init_done(void)
11  {
12  	if (gfx_init_done < 0)
13  		return 0;
14  	return gfx_init_done;
15  }
16  
17  void gfx_set_init_done(int done)
18  {
19  	gfx_init_done = done;
20  }
21  
22  int display_init_required(void)
23  {
24  	/* For vboot, honor VB2_CONTEXT_DISPLAY_INIT. */
25  	if (CONFIG(VBOOT)) {
26  		/* Must always select MUST_REQUEST_DISPLAY when using this
27  		   function. */
28  		if (!CONFIG(VBOOT_MUST_REQUEST_DISPLAY))
29  			dead_code();
30  		return vboot_get_context()->flags & VB2_CONTEXT_DISPLAY_INIT;
31  	}
32  
33  	/* By default always initialize display. */
34  	return 1;
35  }