[PATCH v6 2/4] drm/dp: add helpers for capture of frame CRCs

[Gabriel Krisman Bertazi]

Tomeu Vizoso <tomeu.vizoso at collabora.com> writes:

> +
> +/**
> + * drm_dp_start_crc() - start capture of frame CRCs
> + * @aux: DisplayPort AUX channel
> + *
> + * Returns 0 on success or a negative error code on failure.
> + */
> +int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc)
> +{
> +	u8 buf;
> +	int ret;
> +
> +	ret = drm_dp_dpcd_readb(aux, DP_TEST_SINK, &buf);
> +	if (ret < 0)
> +		return ret;
> +
> +	ret = drm_dp_dpcd_writeb(aux, DP_TEST_SINK, buf | DP_TEST_SINK_START);
> +	if (ret < 0)
> +		return ret;
> +
> +	aux->crc_count = 0;
> +	aux->crtc = crtc;
> +	schedule_work(&aux->crc_work);
> +
> +	return 0;
> +}
> +EXPORT_SYMBOL(drm_dp_start_crc);
> +

Hi Tomeu,

This triggers a new warning when building documentation:

./drivers/gpu/drm/drm_dp_helper.c:1165: warning: No description found
for parameter 'crtc'
./drivers/gpu/drm/drm_dp_helper.c:1166: warning: No description found
for parameter 'crtc'

-- 
Gabriel Krisman Bertazi