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Re: [Qemu-devel] [PATCH v4 2/2] pci: Teach PCI Bridges about VGA routing
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH v4 2/2] pci: Teach PCI Bridges about VGA routing |
Date: |
Mon, 4 Mar 2013 09:39:04 +0800 |
On 4 March 2013 01:21, Alex Williamson <address@hidden> wrote:
> --- a/hw/pci/pcie_port.c
> +++ b/hw/pci/pcie_port.c
> @@ -28,10 +28,12 @@ void pcie_port_init_reg(PCIDevice *d)
> pci_set_word(d->config + PCI_SEC_STATUS, 0);
>
> /* Unlike conventional pci bridge, some bits are hardwired to 0. */
> +#define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */
Shouldn't this #define be in pci_regs.h with the other PCI_BRIDGE_CTL_*
constants?
> pci_set_word(d->wmask + PCI_BRIDGE_CONTROL,
> PCI_BRIDGE_CTL_PARITY |
> PCI_BRIDGE_CTL_ISA |
> PCI_BRIDGE_CTL_VGA |
> + PCI_BRIDGE_CTL_VGA_16BIT | /* Req, but no alias support yet
> */
> PCI_BRIDGE_CTL_SERR |
> PCI_BRIDGE_CTL_BUS_RESET);
> }
thanks
-- PMM