qxl: set default revision to 4

Set qxl pci revision to 4 (for pc-1.3+) so guests know
spice-server 0.12 features are available.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/pc_piix.c

@@ -371,6 +371,14 @@ static QEMUMachine pc_machine_v1_3 = {
             .driver   = "ivshmem",\
             .property = "use64",\
             .value    = "0",\
+        },{\
+            .driver   = "qxl",\
+            .property = "revision",\
+            .value    = stringify(3),\
+        },{\
+            .driver   = "qxl-vga",\
+            .property = "revision",\
+            .value    = stringify(3),\
         }
 
 static QEMUMachine pc_machine_v1_2 = {

hw/qxl.h

@@ -129,12 +129,7 @@ typedef struct PCIQXLDevice {
         }                                                               \
     } while (0)
 
-#if 0
-/* spice-server 0.12 is still in development */
 #define QXL_DEFAULT_REVISION QXL_REVISION_STABLE_V12
-#else
-#define QXL_DEFAULT_REVISION QXL_REVISION_STABLE_V10
-#endif
 
 /* qxl.c */
 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL phys, int group_id);