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Date: Tue, 6 Apr 2021 11:52:35 +0200
From: Robert Foss <robert.foss@...aro.org>
To: Dafna Hirschfeld <dafna.hirschfeld@...labora.com>
Cc: dri-devel <dri-devel@...ts.freedesktop.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
kernel@...labora.com, dafna3@...il.com,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>, enric.balletbo@...labora.com,
Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH] drm: bridge: rename the function drm_bridge_hpd_notify to drm_bridge_hpd_cb
Reviewed-by: Robert Foss <robert.foss@...aro.org>
On Tue, 30 Mar 2021 at 14:28, Robert Foss <robert.foss@...aro.org> wrote:
>
> 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@...labora.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@...labora.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(<9611uxc->ocm_lock);
> >
> > - drm_bridge_hpd_notify(<9611uxc->bridge,
> > - connected ?
> > - connector_status_connected :
> > - connector_status_disconnected);
> > + drm_bridge_hpd_cb(<9611uxc->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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