Hi Peter,
Thank you for the patch.
On Thursday, 19 April 2018 19:27:50 EEST Peter Rosin wrote:
> This enables reuse of the machinery for the case where a drm_bridge
> needs to do the same work via different interfaces.
>
> Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
> ---
> drivers/gpu/drm/i2c/tda998x_drv.c | 46 ++++++++++++++++++++++++++++--------
> 1 file changed, 36 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c
> b/drivers/gpu/drm/i2c/tda998x_drv.c index 8f6e013f2b87..9c78f7bde49c 100644
> --- a/drivers/gpu/drm/i2c/tda998x_drv.c
> +++ b/drivers/gpu/drm/i2c/tda998x_drv.c
> @@ -1163,9 +1163,8 @@ static int tda998x_connector_init(struct tda998x_priv
> *priv,
>
> /* DRM encoder functions */
>
> -static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
> +static void tda998x_dpms(struct tda998x_priv *priv, int mode)
I'd split this function into tda998x_enable() and tda998x_disable(), as the
DRM bridge API doesn't need to care about DPMS. The core of the driver would
then be DPMS-free.
Apart from that the patch looks good to me.
> {
> - struct tda998x_priv *priv = enc_to_tda998x_priv(encoder);
> bool on;
>
> /* we only care about on or off: */
> @@ -1195,12 +1194,18 @@ static void tda998x_encoder_dpms(struct drm_encoder
> *encoder, int mode) }
> }
>
> -static void
> -tda998x_encoder_mode_set(struct drm_encoder *encoder,
> - struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode)
> +static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
> {
> struct tda998x_priv *priv = enc_to_tda998x_priv(encoder);
> +
> + tda998x_dpms(priv, mode);
> +}
> +
> +static void
> +tda998x_mode_set(struct tda998x_priv *priv,
> + struct drm_display_mode *mode,
> + struct drm_display_mode *adjusted_mode)
> +{
> u16 ref_pix, ref_line, n_pix, n_line;
> u16 hs_pix_s, hs_pix_e;
> u16 vs1_pix_s, vs1_pix_e, vs1_line_s, vs1_line_e;
> @@ -1407,6 +1412,16 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder,
> mutex_unlock(&priv->audio_mutex);
> }
>
> +static void
> +tda998x_encoder_mode_set(struct drm_encoder *encoder,
> + struct drm_display_mode *mode,
> + struct drm_display_mode *adjusted_mode)
> +{
> + struct tda998x_priv *priv = enc_to_tda998x_priv(encoder);
> +
> + tda998x_mode_set(priv, mode, adjusted_mode);
> +}
> +
> static void tda998x_destroy(struct tda998x_priv *priv)
> {
> /* disable all IRQs and free the IRQ handler */
> @@ -1653,11 +1668,10 @@ static void tda998x_set_config(struct tda998x_priv
> *priv, priv->audio_params = p->audio_params;
> }
>
> -static int tda998x_bind(struct device *dev, struct device *master, void
> *data)
> +static int tda998x_init(struct device *dev, struct drm_device *drm)
> {
> struct tda998x_encoder_params *params = dev->platform_data;
> struct i2c_client *client = to_i2c_client(dev);
> - struct drm_device *drm = data;
> struct tda998x_priv *priv;
> u32 crtcs = 0;
> int ret;
> @@ -1705,8 +1719,7 @@ static int tda998x_bind(struct device *dev, struct
> device *master, void *data) return ret;
> }
>
> -static void tda998x_unbind(struct device *dev, struct device *master,
> - void *data)
> +static void tda998x_fini(struct device *dev)
> {
> struct tda998x_priv *priv = dev_get_drvdata(dev);
>
> @@ -1715,6 +1728,19 @@ static void tda998x_unbind(struct device *dev, struct
> device *master, tda998x_destroy(priv);
> }
>
> +static int tda998x_bind(struct device *dev, struct device *master, void
> *data)
> +{
> + struct drm_device *drm = data;
> +
> + return tda998x_init(dev, drm);
> +}
> +
> +static void tda998x_unbind(struct device *dev, struct device *master,
> + void *data)
> +{
> + tda998x_fini(dev);
> +}
> +
> static const struct component_ops tda998x_ops = {
> .bind = tda998x_bind,
> .unbind = tda998x_unbind,
--
Regards,
Laurent Pinchart
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