[PATCH] drm/i915/gvt: add 2 new MMIO to cmd_access white list

[Zhang, Pei]

Sorry, will cook a quick fix soon.

*********  ***** 
BRs, 
Pei Zhang

> -----Original Message-----
> From: Zhenyu Wang [mailto:zhenyuw at linux.intel.com]
> Sent: Thursday, February 23, 2017 10:52
> To: Zhang, Pei <pei.zhang at intel.com>
> Cc: intel-gvt-dev at lists.freedesktop.org
> Subject: Re: [PATCH] drm/i915/gvt: add 2 new MMIO to cmd_access white list
> 
> On 2017.02.18 01:18:55 +0800, Pei Zhang wrote:
> > Guest is now acces 2 MMIO (0x215c, 0x20c0) through command which is
> > not originally in gvt's white list. This cause huge error log printed in
> gvt.
> > This patch addes these 2 MMIO to the white list.
> >
> > V2. change the commit message content.
> >
> > Signed-off-by: Pei Zhang <pei.zhang at intel.com>
> > ---
> >  drivers/gpu/drm/i915/gvt/handlers.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/gvt/handlers.c
> > b/drivers/gpu/drm/i915/gvt/handlers.c
> > index 1d45062..baf3d62 100644
> > --- a/drivers/gpu/drm/i915/gvt/handlers.c
> > +++ b/drivers/gpu/drm/i915/gvt/handlers.c
> > @@ -2160,7 +2160,8 @@ static int init_generic_mmio_info(struct
> > intel_gvt *gvt)
> >
> >  	MMIO_D(0x44070, D_ALL);
> >
> > -	MMIO_D(0x215c, D_HSW_PLUS);
> > +	MMIO_DFH(0x215c, D_HSW_PLUS, F_CMD_ACCESS, NULL, NULL);
> > +	MMIO_DFH(0x20c0, D_HSW_PLUS, F_CMD_ACCESS, NULL, NULL);
> >  	MMIO_DFH(0x2178, D_ALL, F_CMD_ACCESS, NULL, NULL);
> >  	MMIO_DFH(0x217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
> >  	MMIO_DFH(0x12178, D_ALL, F_CMD_ACCESS, NULL, NULL);
> 
> INSTPM(0x20c0) already has handler, this will cause an dup error message.
> 
> --
> Open Source Technology Center, Intel ltd.
> 
> $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827