[Intel-gfx] [PATCH v6 14/14] drm/i915: Enable platform support for vGPU huge gtt pages

[Joonas Lahtinen]

This is a purely a gvt patch too, so the patch subject should reflect
that.

Regards, Joonas

Quoting changbin.du at intel.com (2018-05-08 12:05:16)
> From: Changbin Du <changbin.du at intel.com>
> 
> Now GVTg supports shadowing both 2M/64K huge gtt pages. So let's turn on
> the cap info bit VGT_CAPS_HUGE_GTT.
> 
> v2: Split changes in i915 side into a separated patch.
> 
> Signed-off-by: Changbin Du <changbin.du at intel.com>
> ---
>  drivers/gpu/drm/i915/gvt/vgpu.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
> index 2e0a02a..861b398 100644
> --- a/drivers/gpu/drm/i915/gvt/vgpu.c
> +++ b/drivers/gpu/drm/i915/gvt/vgpu.c
> @@ -46,6 +46,7 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
>  
>         vgpu_vreg_t(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_48BIT_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;
>  
>         vgpu_vreg_t(vgpu, vgtif_reg(avail_rs.mappable_gmadr.base)) =
>                 vgpu_aperture_gmadr_base(vgpu);
> -- 
> 2.7.4
> 
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