haraldwolff/qemu-patch-raspberry4
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vga: Mark relevant portio lists regions as coalesced MMIO flushing

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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>
This commit is contained in:
Jan Kiszka 2013-07-02 21:37:40 +02:00 committed by Paolo Bonzini
parent eb25a1d9d4
commit c46860ea53
2 changed files with 2 additions and 4 deletions
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1
hw/display/qxl.c
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@ -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);

5
hw/display/vga.c
View file

@ -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) {