On 2017.05.24 16:50:39 +0800, changbin.du@xxxxxxxxx wrote: > From: Changbin Du <changbin.du@xxxxxxxxx> > > At least we need one MPT module (currently only have one) selected > to get GVTg functional. When GVTg is enabled while no MPT selected, > the build just includes useless GVTg code. This doesn't make sense. > The reason was that we tried to merge gvt device model in upstream first while finishing KVMGT part later. I'm ok with this now. > With this patch, a submenut is created under i915 as below: > -*- Enable Intel GVT-g graphics virtualization host support > <M> Enable KVM/VFIO support for Intel GVT-g > > If no MPT is selected, GVTg will be disabled automatically. > < > Enable KVM/VFIO support for Intel GVT-g > > Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx> > --- > drivers/gpu/drm/i915/Kconfig | 16 ++++++++++------ > 1 file changed, 10 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig > index a5cd5da..e380a5d 100644 > --- a/drivers/gpu/drm/i915/Kconfig > +++ b/drivers/gpu/drm/i915/Kconfig > @@ -91,12 +91,15 @@ config DRM_I915_USERPTR > > If in doubt, say "Y". > > +menu "Intel GVT-g graphics virtualization host support" > + depends on DRM_I915 > + depends on 64BIT > + > config DRM_I915_GVT > - bool "Enable Intel GVT-g graphics virtualization host support" > - depends on DRM_I915 > - depends on 64BIT > - default n > - help > + bool "Enable Intel GVT-g graphics virtualization host support" > + default n > + depends on DRM_I915_GVT_KVMGT > + help > Choose this option if you want to enable Intel GVT-g graphics > virtualization technology host support with integrated graphics. > With GVT-g, it's possible to have one integrated graphics > @@ -116,13 +119,14 @@ config DRM_I915_GVT > > config DRM_I915_GVT_KVMGT > tristate "Enable KVM/VFIO support for Intel GVT-g" > - depends on DRM_I915_GVT > + select DRM_I915_GVT > depends on KVM > depends on VFIO_MDEV && VFIO_MDEV_DEVICE > default n > help > Choose this option if you want to enable KVMGT support for > Intel GVT-g. > +endmenu > > menu "drm/i915 Debugging" > depends on DRM_I915 > -- > 2.7.4 > -- Open Source Technology Center, Intel ltd. $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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