U-Boot sunxi display debug hack to list EDID reported modes

uboot_sunxi_edid_debug.patch

diff --git a/drivers/video/sunxi/sunxi_display.c b/drivers/video/sunxi/sunxi_display.c
index 61498d1642f..25e5f58b467 100644
--- a/drivers/video/sunxi/sunxi_display.c
+++ b/drivers/video/sunxi/sunxi_display.c
@@ -292,7 +292,11 @@ static int sunxi_hdmi_edid_get_mode(struct sunxi_display *sunxi_display,
 		for (i = 0; i < 4; i++, t++) {
 		r = video_edid_dtd_to_ctfb_res_modes(t, mode);
 		if (r == 0)
-			break;
+			printf("mode %d: %dx%d@%dHz; pixel clock: %d KHz\n",
+				i, mode->xres, mode->yres, mode->refresh,
+				mode->pixclock_khz);
+		else
+			printf("mode %d: error %d\n", i, r);
 	}
 	if (i == 4) {
 		printf("EDID: no usable detailed timing found\n");