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authorDave Airlie <airlied@redhat.com>2010-12-06 12:56:44 +1000
committerDave Airlie <airlied@redhat.com>2011-01-05 13:43:32 +1000
commitd1fbd923da0f982f12b61a44e74c2e1f74c6ef56 (patch)
tree00f63b4834e43db75044c51db366cb59076357b4 /drivers
parent5ccb377feaaff3daa1e9a179534bbd7550d78af6 (diff)
downloadop-kernel-dev-d1fbd923da0f982f12b61a44e74c2e1f74c6ef56.zip
op-kernel-dev-d1fbd923da0f982f12b61a44e74c2e1f74c6ef56.tar.gz
nouveau/acpi: improve detection of what is IGD and what is DIS.
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_acpi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 1191526..a542380 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -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 = {
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