[libvirt] [PATCH v2 4/4] hw/display: Remove "rombar" hack from vga-pci and vmware_vga
Philippe Mathieu-Daudé
philmd at redhat.com
Mon Dec 9 13:12:35 UTC 2019
On 12/9/19 1:52 PM, Thomas Huth wrote:
> Now that the old pc-0.x machine types have been removed, we do not need
> the old "rombar" hacks anymore.
>
> Signed-off-by: Thomas Huth <thuth at redhat.com>
> ---
> hw/display/vga-pci.c | 5 -----
> hw/display/vga.c | 4 +---
> hw/display/vmware_vga.c | 5 -----
> 3 files changed, 1 insertion(+), 13 deletions(-)
>
> diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
> index a27b88122d..cfe095713e 100644
> --- a/hw/display/vga-pci.c
> +++ b/hw/display/vga-pci.c
> @@ -264,11 +264,6 @@ static void pci_std_vga_realize(PCIDevice *dev, Error **errp)
>
> pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
> }
> -
> - if (!dev->rom_bar) {
> - /* compatibility with pc-0.13 and older */
> - vga_init_vbe(s, OBJECT(dev), pci_address_space(dev));
> - }
> }
>
> static void pci_std_vga_init(Object *obj)
> diff --git a/hw/display/vga.c b/hw/display/vga.c
> index 82ebe53610..636586a476 100644
> --- a/hw/display/vga.c
> +++ b/hw/display/vga.c
> @@ -2304,9 +2304,7 @@ void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
>
> void vga_init_vbe(VGACommonState *s, Object *obj, MemoryRegion *system_memory)
> {
> - /* With pc-0.12 and below we map both the PCI BAR and the fixed VBE region,
> - * so use an alias to avoid double-mapping the same region.
> - */
> + /* Use an alias to avoid double-mapping the same region */
If I understand the comment correctly, we can now revert commit
8294a64d7f9 and and remove the alias, isn't it?
> memory_region_init_alias(&s->vram_vbe, obj, "vram.vbe",
> &s->vram, 0, memory_region_size(&s->vram));
> /* XXX: use optimized standard vga accesses */
> diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
> index 23dc8910cc..ead754eccf 100644
> --- a/hw/display/vmware_vga.c
> +++ b/hw/display/vmware_vga.c
> @@ -1312,11 +1312,6 @@ static void pci_vmsvga_realize(PCIDevice *dev, Error **errp)
> &s->chip.vga.vram);
> pci_register_bar(dev, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
> &s->chip.fifo_ram);
> -
> - if (!dev->rom_bar) {
> - /* compatibility with pc-0.13 and older */
> - vga_init_vbe(&s->chip.vga, OBJECT(dev), pci_address_space(dev));
> - }
> }
>
> static Property vga_vmware_properties[] = {
>
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