static void vc_uniscr_debug_check(struct vc_data *vc)
{
	struct uni_screen *uniscr = get_vc_uniscr(vc);
	unsigned short *p;
	int x, y, mask;

	if (!VC_UNI_SCREEN_DEBUG || !uniscr)
		return;

	WARN_CONSOLE_UNLOCKED();

	/*
	 * Make sure our unicode screen translates into the same glyphs
	 * as the actual screen. This is brutal indeed.
	 */
	p = (unsigned short *)vc->vc_origin;
	mask = vc->vc_hi_font_mask | 0xff;
	for (y = 0; y < vc->vc_rows; y++) {
		char32_t *line = uniscr->lines[y];
		for (x = 0; x < vc->vc_cols; x++) {
			u16 glyph = scr_readw(p++) & mask;
			char32_t uc = line[x];
			int tc = conv_uni_to_pc(vc, uc);
			if (tc == -4)
				tc = conv_uni_to_pc(vc, 0xfffd);
			if (tc == -4)
				tc = conv_uni_to_pc(vc, '?');
			if (tc != glyph)
				pr_err_ratelimited(
					"%s: mismatch at %d,%d: glyph=%#x tc=%#x\n",
					__func__, x, y, glyph, tc);
		}
	}
}
static void vc_uniscr_debug_check(struct vc_data *vc)
{
	struct uni_screen *uniscr = get_vc_uniscr(vc);
	unsigned short *p;
	int x, y, mask;

	if (!VC_UNI_SCREEN_DEBUG || !uniscr)
		return;

	WARN_CONSOLE_UNLOCKED();

	 
	p = (unsigned short *)vc->vc_origin;
	mask = vc->vc_hi_font_mask | 0xff;
	for (y = 0; y < vc->vc_rows; y++) {
		char32_t *line = uniscr->lines[y];
		for (x = 0; x < vc->vc_cols; x++) {
			u16 glyph = scr_readw(p++) & mask;
			char32_t uc = line[x];
			int tc = conv_uni_to_pc(vc, uc);
			if (tc == -4)
				tc = conv_uni_to_pc(vc, 0xfffd);
			if (tc == -4)
				tc = conv_uni_to_pc(vc, '?');
			if (tc != glyph)
				pr_err_ratelimited(
					"%s: mismatch at %d,%d: glyph=%#x tc=%#x\n",
					__func__, x, y, glyph, tc);
		}
	}
}