[PATCH v3 0/3] refactor the force-nonpriv handler

[Zhenyu Wang]

On 2018.05.08 14:51:52 +0800, Zhao Yan wrote:
> Each ring has 12 force_to_nonpriv registers, the registers written to
> those registers will be converted to nonprivleged from privileged.
> 
> In this patch set, 
> 1. let NOPID of each ring to be default value of force_to_nonpriv
> registers, which is in accord with guest drivers
> 2. do not return error in the handlers to avoid guest enter into failsafe
> mode
> 3. refactor the cmd handler to cover only LRI cmd case.
> 
> 
> v3: remove the patch to expand force_to_nonpriv registers range to cover
> all rings. Because currently in guest drivers, force_to_nonpriv
> registers (as one implementation of workaround) are only written in RCS
> ring, we don't want to add registers in other rings to add burden for
> context save restore.  (zhenyu wang)
> v2: split a big patch into 4 smaller patches (zhenyu wang)
> 
> Zhao Yan (3):
>   drm/i915/gvt: let NOPID be the default value of force_to_nonpriv
>     registers
>   drm/i915/gvt: do not return error on handling force_to_nonpriv
>     registers
>   drm/i915/gvt: let force_to_nonpriv cmd handler only valid for LRI cmd
> 
>  drivers/gpu/drm/i915/gvt/cmd_parser.c | 26 +++++++++++++++++++++-----
>  drivers/gpu/drm/i915/gvt/handlers.c   | 24 +++++++++++++++---------
>  2 files changed, 36 insertions(+), 14 deletions(-)
> 

Applied, thanks!

-- 
Open Source Technology Center, Intel ltd.

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