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SubjectRe: [PATCH] drm: bridge: rename the function drm_bridge_hpd_notify to drm_bridge_hpd_cb
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@collabora.com> 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@collabora.com>
> ---
> 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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