Re: [PATCH] drm: bridge: rename the function drm_bridge_hpd_notify to drm_bridge_hpd_cb

[Robert Foss <robert.foss@xxxxxxxxxx>]

Hey Dafna,

Thanks for submitting a cleanup patch, it is much appreciated. It
looks good to me, feel free to add my r-b.

I'm not going to merge this right away, but will let this patch soak
for a while to let other people have a look at it.

On Tue, 30 Mar 2021 at 13:52, Dafna Hirschfeld
<dafna.hirschfeld@xxxxxxxxxxxxx> wrote:
>
> drm_bridge_funcs has a function called 'hpd_notify'.
> The function drm_bridge_hpd_notify does not call
> 'hpd_notify' but it calls 'hpd_cb'. This is rather
> confusing. Rename the function to fix this confusion.
>
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c        | 2 +-
>  drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 4 ++--
>  drivers/gpu/drm/bridge/display-connector.c          | 2 +-
>  drivers/gpu/drm/bridge/lontium-lt9611uxc.c          | 8 ++++----
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c           | 2 +-
>  drivers/gpu/drm/bridge/ti-tpd12s015.c               | 2 +-
>  drivers/gpu/drm/drm_bridge.c                        | 8 ++++----
>  include/drm/drm_bridge.h                            | 8 ++++----
>  8 files changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> index 76555ae64e9c..748f82910f4f 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -449,7 +449,7 @@ static void adv7511_hpd_work(struct work_struct *work)
>                                 cec_phys_addr_invalidate(adv7511->cec_adap);
>                         drm_kms_helper_hotplug_event(adv7511->connector.dev);
>                 } else {
> -                       drm_bridge_hpd_notify(&adv7511->bridge, status);
> +                       drm_bridge_hpd_cb(&adv7511->bridge, status);
>                 }
>         }
>  }
> diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
> index d0c65610ebb5..682da288ff6d 100644
> --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
> +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
> @@ -794,7 +794,7 @@ static void cdns_mhdp_fw_cb(const struct firmware *fw, void *context)
>                 if (mhdp->connector.dev)
>                         drm_kms_helper_hotplug_event(mhdp->bridge.dev);
>                 else
> -                       drm_bridge_hpd_notify(&mhdp->bridge, cdns_mhdp_detect(mhdp));
> +                       drm_bridge_hpd_cb(&mhdp->bridge, cdns_mhdp_detect(mhdp));
>         }
>  }
>
> @@ -2314,7 +2314,7 @@ static irqreturn_t cdns_mhdp_irq_handler(int irq, void *data)
>                         else
>                                 drm_kms_helper_hotplug_event(mhdp->bridge.dev);
>                 } else {
> -                       drm_bridge_hpd_notify(&mhdp->bridge, cdns_mhdp_detect(mhdp));
> +                       drm_bridge_hpd_cb(&mhdp->bridge, cdns_mhdp_detect(mhdp));
>                 }
>         }
>
> diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c
> index 05eb759da6fc..8ccd69d7fe34 100644
> --- a/drivers/gpu/drm/bridge/display-connector.c
> +++ b/drivers/gpu/drm/bridge/display-connector.c
> @@ -98,7 +98,7 @@ static irqreturn_t display_connector_hpd_irq(int irq, void *arg)
>         struct display_connector *conn = arg;
>         struct drm_bridge *bridge = &conn->bridge;
>
> -       drm_bridge_hpd_notify(bridge, display_connector_detect(bridge));
> +       drm_bridge_hpd_cb(bridge, display_connector_detect(bridge));
>
>         return IRQ_HANDLED;
>  }
> diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> index fee27952ec6d..58f61b5da605 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> @@ -175,10 +175,10 @@ static void lt9611uxc_hpd_work(struct work_struct *work)
>                 connected = lt9611uxc->hdmi_connected;
>                 mutex_unlock(&lt9611uxc->ocm_lock);
>
> -               drm_bridge_hpd_notify(&lt9611uxc->bridge,
> -                                     connected ?
> -                                     connector_status_connected :
> -                                     connector_status_disconnected);
> +               drm_bridge_hpd_cb(&lt9611uxc->bridge,
> +                                 connected ?
> +                                 connector_status_connected :
> +                                 connector_status_disconnected);
>         }
>  }
>
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index dda4fa9a1a08..984ab5c4bc71 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -3026,7 +3026,7 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
>
>                 if (hdmi->bridge.dev) {
>                         drm_helper_hpd_irq_event(hdmi->bridge.dev);
> -                       drm_bridge_hpd_notify(&hdmi->bridge, status);
> +                       drm_bridge_hpd_cb(&hdmi->bridge, status);
>                 }
>         }
>
> diff --git a/drivers/gpu/drm/bridge/ti-tpd12s015.c b/drivers/gpu/drm/bridge/ti-tpd12s015.c
> index e0e015243a60..2f079b6f51bc 100644
> --- a/drivers/gpu/drm/bridge/ti-tpd12s015.c
> +++ b/drivers/gpu/drm/bridge/ti-tpd12s015.c
> @@ -103,7 +103,7 @@ static irqreturn_t tpd12s015_hpd_isr(int irq, void *data)
>         struct tpd12s015_device *tpd = data;
>         struct drm_bridge *bridge = &tpd->bridge;
>
> -       drm_bridge_hpd_notify(bridge, tpd12s015_detect(bridge));
> +       drm_bridge_hpd_cb(bridge, tpd12s015_detect(bridge));
>
>         return IRQ_HANDLED;
>  }
> diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
> index 64f0effb52ac..653761a0d5f9 100644
> --- a/drivers/gpu/drm/drm_bridge.c
> +++ b/drivers/gpu/drm/drm_bridge.c
> @@ -1173,7 +1173,7 @@ void drm_bridge_hpd_disable(struct drm_bridge *bridge)
>  EXPORT_SYMBOL_GPL(drm_bridge_hpd_disable);
>
>  /**
> - * drm_bridge_hpd_notify - notify hot plug detection events
> + * drm_bridge_hpd_cb - notify hot plug detection events
>   * @bridge: bridge control structure
>   * @status: output connection status
>   *
> @@ -1183,15 +1183,15 @@ EXPORT_SYMBOL_GPL(drm_bridge_hpd_disable);
>   *
>   * This function shall be called in a context that can sleep.
>   */
> -void drm_bridge_hpd_notify(struct drm_bridge *bridge,
> -                          enum drm_connector_status status)
> +void drm_bridge_hpd_cb(struct drm_bridge *bridge,
> +                      enum drm_connector_status status)
>  {
>         mutex_lock(&bridge->hpd_mutex);
>         if (bridge->hpd_cb)
>                 bridge->hpd_cb(bridge->hpd_data, status);
>         mutex_unlock(&bridge->hpd_mutex);
>  }
> -EXPORT_SYMBOL_GPL(drm_bridge_hpd_notify);
> +EXPORT_SYMBOL_GPL(drm_bridge_hpd_cb);
>
>  #ifdef CONFIG_OF
>  /**
> diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
> index 2195daa289d2..ab54715eda8b 100644
> --- a/include/drm/drm_bridge.h
> +++ b/include/drm/drm_bridge.h
> @@ -605,7 +605,7 @@ struct drm_bridge_funcs {
>          * @hpd_enable:
>          *
>          * Enable hot plug detection. From now on the bridge shall call
> -        * drm_bridge_hpd_notify() each time a change is detected in the output
> +        * drm_bridge_hpd_cb() each time a change is detected in the output
>          * connection status, until hot plug detection gets disabled with
>          * @hpd_disable.
>          *
> @@ -620,7 +620,7 @@ struct drm_bridge_funcs {
>          * @hpd_disable:
>          *
>          * Disable hot plug detection. Once this function returns the bridge
> -        * shall not call drm_bridge_hpd_notify() when a change in the output
> +        * shall not call drm_bridge_hpd_cb() when a change in the output
>          * connection status occurs.
>          *
>          * This callback is optional and shall only be implemented by bridges
> @@ -878,8 +878,8 @@ void drm_bridge_hpd_enable(struct drm_bridge *bridge,
>                                       enum drm_connector_status status),
>                            void *data);
>  void drm_bridge_hpd_disable(struct drm_bridge *bridge);
> -void drm_bridge_hpd_notify(struct drm_bridge *bridge,
> -                          enum drm_connector_status status);
> +void drm_bridge_hpd_cb(struct drm_bridge *bridge,
> +                      enum drm_connector_status status);
>
>  #ifdef CONFIG_DRM_PANEL_BRIDGE
>  struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel);
> --
> 2.17.1
>
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