On Thu, Feb 01, 2018 at 11:03:41AM +0000, Jani Nikula wrote:
> This will be useful later on. Also move the functions around to not need
> forward declarations in subsequent patches. No functional changes.
>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_dp.c | 38 ++++++++++++++++++++++----------------
> 1 file changed, 22 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 03d86ff9b805..3c1c11c1cd30 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -157,6 +157,28 @@ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp)
> intel_dp->num_sink_rates = i;
> }
>
> +/* Get length of rates array potentially limited by max_rate. */
> +static int intel_dp_rate_limit_len(const int *rates, int len, int max_rate)
> +{
> + int i;
> +
> + /* Limit results by potentially reduced max rate */
> + for (i = 0; i < len; i++) {
> + if (rates[len - i - 1] <= max_rate)
> + return len - i;
> + }
> +
> + return 0;
> +}
> +
> +/* Get length of common rates array potentially limited by max_rate. */
> +static int intel_dp_common_len_rate_limit(const struct intel_dp *intel_dp,
> + int max_rate)
> +{
> + return intel_dp_rate_limit_len(intel_dp->common_rates,
> + intel_dp->num_common_rates, max_rate);
> +}
> +
> /* Theoretical max between source and sink */
> static int intel_dp_max_common_rate(struct intel_dp *intel_dp)
> {
> @@ -328,22 +350,6 @@ static void intel_dp_set_common_rates(struct intel_dp *intel_dp)
> }
> }
>
> -/* get length of common rates potentially limited by max_rate */
> -static int intel_dp_common_len_rate_limit(struct intel_dp *intel_dp,
> - int max_rate)
> -{
> - const int *common_rates = intel_dp->common_rates;
> - int i, common_len = intel_dp->num_common_rates;
> -
> - /* Limit results by potentially reduced max rate */
> - for (i = 0; i < common_len; i++) {
> - if (common_rates[common_len - i - 1] <= max_rate)
> - return common_len - i;
> - }
> -
> - return 0;
> -}
> -
> static bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate,
> uint8_t lane_count)
> {
> --
> 2.11.0
>
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