[Intel-gfx] [RFC 01/10] drm/i915/gvt: add module parameter enable_pvmmio

[Joonas Lahtinen]

Quoting Xiaolin Zhang (2018-09-27 19:37:46)
> This int type module parameter is used to control the different
> level pvmmio feature for MMIO emulation in GVT.
> 
> This parameter is default zero, no pvmmio feature enabled.
> 
> Its permission type is 0400 which means user could only change its
> value through the cmdline, this is to prevent the dynamic modification
> during runtime which would break the pvmmio internal logic.
> 
> Signed-off-by: Xiaolin Zhang <xiaolin.zhang at intel.com>

This shouldn't really be a module parameter. We should detect the
capability from the vGPU device and use it always when possible.

Regards, Joonas