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nouveau/acpi: improve detection of what is IGD and what is DIS.

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This improves the IGD/DIS picking using firstly if Intel, then
if the bus is bus 0. There may be a correct way to do this, but
I've no idea what it is.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2010-12-06 12:56:44 +10:00
parent 5ccb377fea
commit d1fbd923da
1 changed files with 8 additions and 3 deletions
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11
drivers/gpu/drm/nouveau/nouveau_acpi.c
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@ -130,10 +130,15 @@ static int nouveau_dsm_init(void)
static int nouveau_dsm_get_client_id(struct pci_dev *pdev)
{
if (nouveau_dsm_priv.dhandle == DEVICE_ACPI_HANDLE(&pdev->dev))
/* easy option one - intel vendor ID means Integrated */
if (pdev->vendor == PCI_VENDOR_ID_INTEL)
return VGA_SWITCHEROO_IGD;
else
return VGA_SWITCHEROO_DIS;
/* is this device on Bus 0? - this may need improving */
if (pdev->bus->number == 0)
return VGA_SWITCHEROO_IGD;
return VGA_SWITCHEROO_DIS;
}
static struct vga_switcheroo_handler nouveau_dsm_handler = {