Re: [Freedreno] [PATCH] drm/msm/a6xx: Fix misleading comment

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On Fri, Jun 30, 2023 at 09:20:43AM -0700, Rob Clark wrote:
> 
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
> 
> The range is actually len+1.
> 
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>

Reviewed-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx>

-Akhil
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
> index eea2e60ce3b7..edf76a4b16bd 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
> @@ -39,8 +39,8 @@ struct a6xx_gpu {
>  
>  /*
>   * Given a register and a count, return a value to program into
> - * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
> - * registers starting at _reg.
> + * REG_CP_PROTECT_REG(n) - this will block both reads and writes for
> + * _len + 1 registers starting at _reg.
>   */
>  #define A6XX_PROTECT_NORDWR(_reg, _len) \
>  	((1 << 31) | \
> -- 
> 2.41.0
> 



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