vga: Mark relevant portio lists regions as coalesced MMIO flushing

This allows to remove the explicit qemu_flush_coalesced_mmio_buffer
calls.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index ee2db0da1a07c44b07b44cfd30b2517ccf570ff9..30510067653df3177a456c804eea55679e4c02cd 100644 (file)
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -2074,6 +2074,7 @@ 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 7b91d9c54e2cd50ea36f719151a8e4f54d792ce2..b5e22849abdbcee02f3497f125b6798f8725a733 100644 (file)
--- 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) {