840 	struct drm_fb_helper_surface_size sizes;  in drm_fb_helper_single_fb_probe()  local
849 	memset(&sizes, 0, sizeof(struct drm_fb_helper_surface_size));  in drm_fb_helper_single_fb_probe()
850 	sizes.surface_depth = 24;  in drm_fb_helper_single_fb_probe()
851 	sizes.surface_bpp = 32;  in drm_fb_helper_single_fb_probe()
852 	sizes.fb_width = (unsigned)-1;  in drm_fb_helper_single_fb_probe()
853 	sizes.fb_height = (unsigned)-1;  in drm_fb_helper_single_fb_probe()
857 	if (preferred_bpp != sizes.surface_bpp)  in drm_fb_helper_single_fb_probe()
858 		sizes.surface_depth = sizes.surface_bpp = preferred_bpp;  in drm_fb_helper_single_fb_probe()
870 				sizes.surface_depth = sizes.surface_bpp = 8;  in drm_fb_helper_single_fb_probe()
873 				sizes.surface_depth = 15;  in drm_fb_helper_single_fb_probe()
874 				sizes.surface_bpp = 16;  in drm_fb_helper_single_fb_probe()
877 				sizes.surface_depth = sizes.surface_bpp = 16;  in drm_fb_helper_single_fb_probe()
880 				sizes.surface_depth = sizes.surface_bpp = 24;  in drm_fb_helper_single_fb_probe()
883 				sizes.surface_depth = 24;  in drm_fb_helper_single_fb_probe()
884 				sizes.surface_bpp = 32;  in drm_fb_helper_single_fb_probe()
899 			if (desired_mode->hdisplay < sizes.fb_width)  in drm_fb_helper_single_fb_probe()
900 				sizes.fb_width = desired_mode->hdisplay;  in drm_fb_helper_single_fb_probe()
901 			if (desired_mode->vdisplay < sizes.fb_height)  in drm_fb_helper_single_fb_probe()
902 				sizes.fb_height = desired_mode->vdisplay;  in drm_fb_helper_single_fb_probe()
903 			if (desired_mode->hdisplay > sizes.surface_width)  in drm_fb_helper_single_fb_probe()
904 				sizes.surface_width = desired_mode->hdisplay;  in drm_fb_helper_single_fb_probe()
905 			if (desired_mode->vdisplay > sizes.surface_height)  in drm_fb_helper_single_fb_probe()
906 				sizes.surface_height = desired_mode->vdisplay;  in drm_fb_helper_single_fb_probe()
911 	if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) {  in drm_fb_helper_single_fb_probe()
914 		DRM_INFO("Cannot find any crtc or sizes - going 1024x768\n");  in drm_fb_helper_single_fb_probe()
915 		sizes.fb_width = sizes.surface_width = 1024;  in drm_fb_helper_single_fb_probe()
916 		sizes.fb_height = sizes.surface_height = 768;  in drm_fb_helper_single_fb_probe()
920 	new_fb = (*fb_helper->funcs->fb_probe)(fb_helper, &sizes);  in drm_fb_helper_single_fb_probe()