Re: [PATCH 28/34] drm/i915/gvt: convert to use vfio_register_emulated_iommu_dev

From: Jason Gunthorpe
Date: Mon Apr 11 2022 - 14:36:55 EST


On Mon, Apr 11, 2022 at 04:13:57PM +0200, Christoph Hellwig wrote:

> -static int intel_vgpu_create(struct mdev_device *mdev)
> -{
> - struct device *pdev = mdev_parent_dev(mdev);
> - struct intel_gvt *gvt = kdev_to_i915(pdev)->gvt;
> - struct intel_vgpu_type *type;
> - struct intel_vgpu *vgpu;
> -
> - type = &gvt->types[mdev_get_type_group_id(mdev)];
> - if (!type)
> - return -EINVAL;
> -
> - vgpu = intel_gvt_create_vgpu(gvt, type);
> - if (IS_ERR(vgpu)) {
> - gvt_err("failed to create intel vgpu: %ld\n", PTR_ERR(vgpu));
> - return PTR_ERR(vgpu);
> - }
> -
> - INIT_WORK(&vgpu->release_work, intel_vgpu_release_work);
> -
> - vgpu->mdev = mdev;
> - mdev_set_drvdata(mdev, vgpu);
> -
> - gvt_dbg_core("intel_vgpu_create succeeded for mdev: %s\n",
> - dev_name(mdev_dev(mdev)));

nit: the debug print has the wrong function name now

Rest looks OK

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason