[Intel-gfx] [PATCH 2/3] drm/i915: add the FBC mutex

[Chris Wilson]

On Tue, Jan 02, 2001 at 04:58:58AM -0200, Paulo Zanoni wrote:
> @@ -1619,7 +1621,11 @@ static int i915_fbc_fc_get(void *data, u64 *val)
>  		return -ENODEV;
>  
>  	drm_modeset_lock_all(dev);
> +	mutex_lock(&dev_priv->fbc.lock);
> +
>  	*val = dev_priv->fbc.false_color;
> +
> +	mutex_unlock(&dev_priv->fbc.lock);
>  	drm_modeset_unlock_all(dev);

A read of of a single value doesn't need any of these locks.
>  
>  	return 0;

-- 
Chris Wilson, Intel Open Source Technology Centre