Quoting Bob Paauwe (2019-02-07 16:29:51)
> diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
> index 720e2b10adaa..314e40121e47 100644
> --- a/drivers/gpu/drm/i915/gvt/vgpu.c
> +++ b/drivers/gpu/drm/i915/gvt/vgpu.c
> @@ -44,7 +44,7 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
> vgpu_vreg_t(vgpu, vgtif_reg(display_ready)) = 0;
> vgpu_vreg_t(vgpu, vgtif_reg(vgt_id)) = vgpu->id;
>
> - vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_48BIT_PPGTT;
> + vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_PPGTT;
> vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) |= VGT_CAPS_HWSP_EMULATION;
> vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) |= VGT_CAPS_HUGE_GTT;
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 7de90701f6f1..2a7bd202f7d8 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1379,7 +1379,7 @@ static int i915_driver_init_hw(struct drm_i915_private
> *dev_priv)
>
> if (HAS_PPGTT(dev_priv)) {
> if (intel_vgpu_active(dev_priv) &&
> - !intel_vgpu_has_full_48bit_ppgtt(dev_priv)) {
> + !intel_vgpu_has_4lvl_ppgtt(dev_priv)) {
> i915_report_error(dev_priv,
> "incompatible vGPU found, support
> for isolated ppGTT required\n");
It was the full-ppgtt support that was the relevant detail, not 4lvl per
se.
-Chris
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