maybe this fixes it.

cam_control/XilinxIP_backend.py

@@ -373,7 +373,8 @@ ADV7511_INITIAL_VALS = {
     'REG_0xA3' : 0xA4,
     'REG_0xE0' : 0xD0,
     'REG_0xF9' : 0x00,
-    'REG_0x55' : 0x02
+    'REG_0x55' : 0x02,
+    'REG_0x17' : 0x02,
 }
 
 class ADV7511_REGISTERS(RegisterBase):
@@ -533,8 +534,8 @@ TPG_REGISTERS = {
 
 TPG_VALUES = {
     'CONTROL' : 0x01,
-    'HEIGHT' : 1080,
-    'WIDTH' : 1920,
+    'HEIGHT' : 720,
+    'WIDTH' : 1280,
     'BACKGROUND_PATTERN_ID' : 0x01,
     'COLOR_FORMAT' : 0x3,
 }