[Intel-gfx] [PATCH v14 6/7] drm/i915: Introduce GEM proxy

[Joonas Lahtinen]

On Fri, 2017-08-18 at 18:21 +0800, Tina Zhang wrote:
> GEM proxy is a kind of GEM, whose backing physical memory is pinned
> and produced by guest VM and is used by host as read only. With GEM
> proxy, host is able to access guest physical memory through GEM object
> interface. As GEM proxy is such a special kind of GEM, a new flag
> I915_GEM_OBJECT_IS_PROXY is introduced to ban host from changing the
> backing storage of GEM proxy.
> 
> v14:
> - return -ENXIO when gem proxy object is banned by ioctl.
>   (Chris) (Daniel)
> 
> v13:
> - add comments to GEM proxy. (Chris)
> - don't ban GEM proxy in i915_gem_sw_finish_ioctl. (Chris)
> - check GEM proxy bar after finishing i915_gem_object_wait. (Chris)
> - remove GEM proxy bar in i915_gem_madvise_ioctl.
> 
> v6:
> - add gem proxy barrier in the following ioctls. (Chris)
>   i915_gem_set_caching_ioctl
>   i915_gem_set_domain_ioctl
>   i915_gem_sw_finish_ioctl
>   i915_gem_set_tiling_ioctl
>   i915_gem_madvise_ioctl
> 
> Signed-off-by: Tina Zhang <tina.zhang at intel.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

This is now as agreed.

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas

PS. I think you have --no-stat option turned on in git format-patch.
Please turn it back off, it'll make it far easier for anybody reading
the patches to get an overview of which files the patch touches.
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation