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

[Zhenyu Wang]

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.

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