On Wed, Feb 16, 2022 at 09:41:40AM -0800, Lucas De Marchi wrote:
> Use iosys_map_memset() to zero the private data as ADS may be either
> on system or IO memory.
> 
> Cc: Matt Roper <matthew.d.ro...@intel.com>
> Cc: Thomas Hellström <thomas.hellst...@linux.intel.com>
> Cc: Daniel Vetter <dan...@ffwll.ch>
> Cc: John Harrison <john.c.harri...@intel.com>
> Cc: Matthew Brost <matthew.br...@intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>

Reviewed-by: Matthew Brost <matthew.br...@intel.com>

> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c 
> b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> index c61648ef3920..d924486490c1 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> @@ -714,8 +714,8 @@ static void guc_ads_private_data_reset(struct intel_guc 
> *guc)
>       if (!size)
>               return;
>  
> -     memset((void *)guc->ads_blob + guc_ads_private_data_offset(guc), 0,
> -            size);
> +     iosys_map_memset(&guc->ads_map, guc_ads_private_data_offset(guc),
> +                      0, size);
>  }
>  
>  /**
> -- 
> 2.35.1
> 

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