Hi Tomi,
Thank you for the patch.
On Fri, May 30, 2025 at 04:50:34PM +0300, Tomi Valkeinen wrote:
> Move the function so that it can call rcsi2_get_active_lanes() in the
> following patch.
I would add "No functional change intended." or something similar.
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
> ---
> drivers/media/platform/renesas/rcar-csi2.c | 66 +++++++++++++++---------------
> 1 file changed, 33 insertions(+), 33 deletions(-)
>
> diff --git a/drivers/media/platform/renesas/rcar-csi2.c b/drivers/media/platform/renesas/rcar-csi2.c
> index 698eb0e60f32..8aca35096408 100644
> --- a/drivers/media/platform/renesas/rcar-csi2.c
> +++ b/drivers/media/platform/renesas/rcar-csi2.c
> @@ -951,39 +951,6 @@ static int rcsi2_set_phypll(struct rcar_csi2 *priv, unsigned int mbps)
> return 0;
> }
>
> -static int rcsi2_calc_mbps(struct rcar_csi2 *priv, unsigned int bpp,
> - unsigned int lanes)
> -{
> - struct media_pad *remote_pad;
> - struct v4l2_subdev *source;
> - s64 freq;
> - u64 mbps;
> -
> - if (!priv->remote)
> - return -ENODEV;
> -
> - source = priv->remote;
> - remote_pad = &source->entity.pads[priv->remote_pad];
> -
> - freq = v4l2_get_link_freq(remote_pad, bpp, 2 * lanes);
> - if (freq < 0) {
> - int ret = (int)freq;
> -
> - dev_err(priv->dev, "failed to get link freq for %s: %d\n",
> - source->name, ret);
> -
> - return ret;
> - }
> -
> - mbps = div_u64(freq * 2, MEGA);
> -
> - /* Adjust for C-PHY, divide by 2.8. */
> - if (priv->cphy)
> - mbps = div_u64(mbps * 5, 14);
> -
> - return mbps;
> -}
> -
> static int rcsi2_get_active_lanes(struct rcar_csi2 *priv,
> unsigned int *lanes)
> {
> @@ -1031,6 +998,39 @@ static int rcsi2_get_active_lanes(struct rcar_csi2 *priv,
> return 0;
> }
>
> +static int rcsi2_calc_mbps(struct rcar_csi2 *priv, unsigned int bpp,
> + unsigned int lanes)
> +{
> + struct media_pad *remote_pad;
> + struct v4l2_subdev *source;
> + s64 freq;
> + u64 mbps;
> +
> + if (!priv->remote)
> + return -ENODEV;
> +
> + source = priv->remote;
> + remote_pad = &source->entity.pads[priv->remote_pad];
> +
> + freq = v4l2_get_link_freq(remote_pad, bpp, 2 * lanes);
> + if (freq < 0) {
> + int ret = (int)freq;
> +
> + dev_err(priv->dev, "failed to get link freq for %s: %d\n",
> + source->name, ret);
> +
> + return ret;
> + }
> +
> + mbps = div_u64(freq * 2, MEGA);
> +
> + /* Adjust for C-PHY, divide by 2.8. */
> + if (priv->cphy)
> + mbps = div_u64(mbps * 5, 14);
> +
> + return mbps;
> +}
> +
> static int rcsi2_start_receiver_gen3(struct rcar_csi2 *priv,
> struct v4l2_subdev_state *state)
> {
--
Regards,
Laurent Pinchart