3 files changed, 3 insertions, 6 deletions
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index dbd1f4a47b..e4c345fa82 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -2447,7 +2447,6 @@ static uint64_t cirrus_vga_ioport_read(void *opaque, hwaddr addr,
     VGACommonState *s = &c->vga;
     int val, index;
 
-    qemu_flush_coalesced_mmio_buffer();
     addr += 0x3b0;
 
     if (vga_ioport_invalid(s, addr)) {
@@ -2544,7 +2543,6 @@ static void cirrus_vga_ioport_write(void *opaque, hwaddr addr, uint64_t val,
     VGACommonState *s = &c->vga;
     int index;
 
-    qemu_flush_coalesced_mmio_buffer();
     addr += 0x3b0;
 
     /* check port range access depending on color/monochrome mode */
@@ -2843,6 +2841,7 @@ static void cirrus_init_common(CirrusVGAState *s, Object *owner,
     /* Register ioport 0x3b0 - 0x3df */
     memory_region_init_io(&s->cirrus_vga_io, owner, &cirrus_vga_io_ops, s,
                           "cirrus-io", 0x30);
+    memory_region_set_flush_coalesced(&s->cirrus_vga_io);
     memory_region_add_subregion(system_io, 0x3b0, &s->cirrus_vga_io);
 
     memory_region_init(&s->low_mem_container, owner,
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index c2cea1ce88..de835d6af8 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -2073,6 +2073,7 @@ static int qxl_init_primary(PCIDevice *dev)
              pci_address_space(dev), pci_address_space_io(dev), false);
     portio_list_init(qxl_vga_port_list, OBJECT(dev), qxl_vga_portio_list,
                      vga, "vga");
+    portio_list_set_flush_coalesced(qxl_vga_port_list);
     portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
 
     vga->con = graphic_console_init(DEVICE(dev), &qxl_ops, qxl);
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 7b91d9c54e..b5e22849ab 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -359,8 +359,6 @@ uint32_t vga_ioport_read(void *opaque, uint32_t addr)
     VGACommonState *s = opaque;
     int val, index;
 
-    qemu_flush_coalesced_mmio_buffer();
-
     if (vga_ioport_invalid(s, addr)) {
         val = 0xff;
     } else {
@@ -453,8 +451,6 @@ void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
     VGACommonState *s = opaque;
     int index;
 
-    qemu_flush_coalesced_mmio_buffer();
-
     /* check port range access depending on color/monochrome mode */
     if (vga_ioport_invalid(s, addr)) {
         return;
@@ -2373,6 +2369,7 @@ void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
     memory_region_set_coalescing(vga_io_memory);
     if (init_vga_ports) {
         portio_list_init(vga_port_list, obj, vga_ports, s, "vga");
+        portio_list_set_flush_coalesced(vga_port_list);
         portio_list_add(vga_port_list, address_space_io, 0x3b0);
     }
     if (vbe_ports) {