[Intel-gfx] [PATCH 08/18] drm/i915: Use memmove() for punching the hole into infoframes

[Daniel Vetter]

On Thu, Sep 20, 2018 at 09:51:35PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Replace the hand rolled memmove() with the real thing.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/i915/intel_hdmi.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index a2dab0b6bde6..3b56ab253171 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -457,9 +457,7 @@ static void intel_write_infoframe(struct drm_encoder *encoder,
>  		return;
>  
>  	/* Insert the 'hole' (see big comment above) at position 3 */
> -	buffer[0] = buffer[1];
> -	buffer[1] = buffer[2];
> -	buffer[2] = buffer[3];
> +	memmove(&buffer[0], &buffer[1], 3);
>  	buffer[3] = 0;
>  	len++;
>  
> -- 
> 2.16.4
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch