Re: [PATCH v3 09/16] drm/i915/guc: Convert guc_ads_private_data_reset to iosys_map

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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.roper@xxxxxxxxx>
> Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: John Harrison <John.C.Harrison@xxxxxxxxx>
> Cc: Matthew Brost <matthew.brost@xxxxxxxxx>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

Reviewed-by: Matthew Brost <matthew.brost@xxxxxxxxx>

> ---
>  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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