vga: raise default vgamem size

Old size: 8 MB (traditional upstream qemu value).
New size: 16 MB (traditional qemu-kvm value).

Also adds compat properties so old machine types
keep the old default values.

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

hw/pc_piix.c

@@ -358,14 +358,38 @@ static QEMUMachine pc_machine_v1_2 = {
     .is_default = 1,
 };
 
+#define PC_COMPAT_1_1 \
+        {\
+            .driver   = "VGA",\
+            .property = "vgamem_mb",\
+            .value    = stringify(8),\
+        },{\
+            .driver   = "vmware-svga",\
+            .property = "vgamem_mb",\
+            .value    = stringify(8),\
+        },{\
+            .driver   = "qxl-vga",\
+            .property = "vgamem_mb",\
+            .value    = stringify(8),\
+        },{\
+            .driver   = "qxl",\
+            .property = "vgamem_mb",\
+            .value    = stringify(8),\
+        }
+
 static QEMUMachine pc_machine_v1_1 = {
     .name = "pc-1.1",
     .desc = "Standard PC",
     .init = pc_init_pci,
     .max_cpus = 255,
+    .compat_props = (GlobalProperty[]) {
+        PC_COMPAT_1_1,
+        { /* end of list */ }
+    },
 };
 
 #define PC_COMPAT_1_0 \
+        PC_COMPAT_1_1,\
         {\
             .driver   = "pc-sysfw",\
             .property = "rom_only",\

hw/qxl.c

@@ -2067,7 +2067,7 @@ static Property qxl_properties[] = {
         DEFINE_PROP_UINT32("ram_size_mb",  PCIQXLDevice, ram_size_mb, -1),
         DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1),
         DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1),
-        DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 8),
+        DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
         DEFINE_PROP_END_OF_LIST(),
 };
 

hw/vga-pci.c

@@ -76,7 +76,7 @@ DeviceState *pci_vga_init(PCIBus *bus)
 }
 
 static Property vga_pci_properties[] = {
-    DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 8),
+    DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
     DEFINE_PROP_END_OF_LIST(),
 };
 

hw/vmware_vga.c

@@ -1201,7 +1201,7 @@ static int pci_vmsvga_initfn(PCIDevice *dev)
 
 static Property vga_vmware_properties[] = {
     DEFINE_PROP_UINT32("vgamem_mb", struct pci_vmsvga_state_s,
-                       chip.vga.vram_size_mb, 8),
+                       chip.vga.vram_size_mb, 16),
     DEFINE_PROP_END_OF_LIST(),
 };