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Re: [Xen-devel] ResettRe: [v5][PATCH 0/5] xen: add Intel IGD passthrough support
- To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, daniel.vetter@xxxxxxxx, jani.nikula@xxxxxxxxxxxxxxx, airlied@xxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx
- From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
- Date: Wed, 02 Jul 2014 18:27:58 +0200
- Cc: "peter.maydell@xxxxxxxxxx" <peter.maydell@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ross Philipson <ross.philipson@xxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, "qemu-devel@xxxxxxxxxx" <qemu-devel@xxxxxxxxxx>, "Kelly.Zytaruk@xxxxxxx" <Kelly.Zytaruk@xxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxx>, "anthony@xxxxxxxxxxxxx" <anthony@xxxxxxxxxxxxx>, "yang.z.zhang@xxxxxxxxx" <yang.z.zhang@xxxxxxxxx>, "Chen, Tiejun" <tiejun.chen@xxxxxxxxx>
- Delivery-date: Wed, 02 Jul 2014 16:28:10 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
Il 02/07/2014 18:23, Konrad Rzeszutek Wilk ha scritto:
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 651e65e..03f2829 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -433,6 +433,8 @@ void intel_detect_pch(struct drm_device *dev)
unsigned short id = pch->device &
INTEL_PCH_DEVICE_ID_MASK;
dev_priv->pch_id = id;
+ if (pch->subsystem_vendor == PCI_VENDOR_ID_XEN)
+ id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
Actually you could look at *dev*'s subsystem IDs and skip the pch lookup
completely.
Paolo
if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_IBX;
DRM_DEBUG_KMS("Found Ibex Peak PCH\n");
>
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