1 files changed, 5 insertions, 2 deletions
diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c
index f2b874d5e3..bccf32af69 100644
--- a/hw/display/edid-generate.c
+++ b/hw/display/edid-generate.c
@@ -24,6 +24,9 @@ static const struct edid_mode {
     { .xres = 2048,   .yres = 1152 },
     { .xres = 1920,   .yres = 1080,   .dta =  31 },
 
+    /* dea/dta extension timings (all @ 60 Hz) */
+    { .xres = 3840,   .yres = 2160,   .dta =  97 },
+
     /* additional standard timings 3 (all @ 60Hz) */
     { .xres = 1920,   .yres = 1200,   .xtra3 = 10,   .bit = 0 },
     { .xres = 1600,   .yres = 1200,   .xtra3 =  9,   .bit = 2 },
@@ -401,10 +404,10 @@ void qemu_edid_generate(uint8_t *edid, size_t size,
         info->name = "QEMU Monitor";
     }
     if (!info->prefx) {
-        info->prefx = 1024;
+        info->prefx = 1280;
     }
     if (!info->prefy) {
-        info->prefy = 768;
+        info->prefy = 800;
     }
     if (info->prefx >= 4096 || info->prefy >= 4096) {
         large_screen = 1;