Message ID | 20180606093650.26034-16-laurent.pinchart@ideasonboard.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Hi, On Wed, Jun 06, 2018 at 12:36:44PM +0300, Laurent Pinchart wrote: > The HPD-related omap_dss_device operations are now only called when the > device supports HPD. There's no need to duplicate that check in the > omap_dss_device drivers. The .register_hpd_cb() operation can as a > result be turned into a void operation. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > --- Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> -- Sebastian > drivers/gpu/drm/omapdrm/displays/connector-dvi.c | 9 +-------- > drivers/gpu/drm/omapdrm/displays/connector-hdmi.c | 14 +++----------- > drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c | 8 +++----- > drivers/gpu/drm/omapdrm/dss/omapdss.h | 6 +++--- > drivers/gpu/drm/omapdrm/omap_connector.c | 17 ++++------------- > 5 files changed, 14 insertions(+), 40 deletions(-) > > diff --git a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c > index e9353e4cd297..a53d5967e5a9 100644 > --- a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c > +++ b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c > @@ -211,30 +211,23 @@ static bool dvic_detect(struct omap_dss_device *dssdev) > return r == 0; > } > > -static int dvic_register_hpd_cb(struct omap_dss_device *dssdev, > +static void dvic_register_hpd_cb(struct omap_dss_device *dssdev, > void (*cb)(void *cb_data, > enum drm_connector_status status), > void *cb_data) > { > struct panel_drv_data *ddata = to_panel_data(dssdev); > > - if (!ddata->hpd_gpio) > - return -ENOTSUPP; > - > mutex_lock(&ddata->hpd_lock); > ddata->hpd_cb = cb; > ddata->hpd_cb_data = cb_data; > mutex_unlock(&ddata->hpd_lock); > - return 0; > } > > static void dvic_unregister_hpd_cb(struct omap_dss_device *dssdev) > { > struct panel_drv_data *ddata = to_panel_data(dssdev); > > - if (!ddata->hpd_gpio) > - return; > - > mutex_lock(&ddata->hpd_lock); > ddata->hpd_cb = NULL; > ddata->hpd_cb_data = NULL; > diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c > index 8eae973474dd..c58bf64d1a9b 100644 > --- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c > +++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c > @@ -147,31 +147,23 @@ static bool hdmic_detect(struct omap_dss_device *dssdev) > return connected; > } > > -static int hdmic_register_hpd_cb(struct omap_dss_device *dssdev, > - void (*cb)(void *cb_data, > +static void hdmic_register_hpd_cb(struct omap_dss_device *dssdev, > + void (*cb)(void *cb_data, > enum drm_connector_status status), > - void *cb_data) > + void *cb_data) > { > struct panel_drv_data *ddata = to_panel_data(dssdev); > > - if (!ddata->hpd_gpio) > - return -ENOTSUPP; > - > mutex_lock(&ddata->hpd_lock); > ddata->hpd_cb = cb; > ddata->hpd_cb_data = cb_data; > mutex_unlock(&ddata->hpd_lock); > - > - return 0; > } > > static void hdmic_unregister_hpd_cb(struct omap_dss_device *dssdev) > { > struct panel_drv_data *ddata = to_panel_data(dssdev); > > - if (!ddata->hpd_gpio) > - return; > - > mutex_lock(&ddata->hpd_lock); > ddata->hpd_cb = NULL; > ddata->hpd_cb_data = NULL; > diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c > index e5a25baa0364..7a6cac5b29e1 100644 > --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c > +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c > @@ -140,10 +140,10 @@ static bool tpd_detect(struct omap_dss_device *dssdev) > return connected; > } > > -static int tpd_register_hpd_cb(struct omap_dss_device *dssdev, > - void (*cb)(void *cb_data, > +static void tpd_register_hpd_cb(struct omap_dss_device *dssdev, > + void (*cb)(void *cb_data, > enum drm_connector_status status), > - void *cb_data) > + void *cb_data) > { > struct panel_drv_data *ddata = to_panel_data(dssdev); > > @@ -151,8 +151,6 @@ static int tpd_register_hpd_cb(struct omap_dss_device *dssdev, > ddata->hpd_cb = cb; > ddata->hpd_cb_data = cb_data; > mutex_unlock(&ddata->hpd_lock); > - > - return 0; > } > > static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev) > diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h > index e9a47d8c0edc..d7e06883f95c 100644 > --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h > +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h > @@ -372,10 +372,10 @@ struct omap_dss_device_ops { > > bool (*detect)(struct omap_dss_device *dssdev); > > - int (*register_hpd_cb)(struct omap_dss_device *dssdev, > - void (*cb)(void *cb_data, > + void (*register_hpd_cb)(struct omap_dss_device *dssdev, > + void (*cb)(void *cb_data, > enum drm_connector_status status), > - void *cb_data); > + void *cb_data); > void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); > void (*enable_hpd)(struct omap_dss_device *dssdev); > void (*disable_hpd)(struct omap_dss_device *dssdev); > diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c > index 578b0b105755..ba9a3dfec33e 100644 > --- a/drivers/gpu/drm/omapdrm/omap_connector.c > +++ b/drivers/gpu/drm/omapdrm/omap_connector.c > @@ -299,19 +299,10 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, > */ > dssdev = omap_connector_find_device(connector, OMAP_DSS_DEVICE_OP_HPD); > if (dssdev) { > - int ret; > - > - ret = dssdev->ops->register_hpd_cb(dssdev, > - omap_connector_hpd_cb, > - omap_connector); > - if (ret < 0) > - DBG("%s: Failed to register HPD callback (%d).", > - dssdev->name, ret); > - else > - connector->polled = DRM_CONNECTOR_POLL_HPD; > - } > - > - if (!connector->polled) { > + dssdev->ops->register_hpd_cb(dssdev, omap_connector_hpd_cb, > + omap_connector); > + connector->polled = DRM_CONNECTOR_POLL_HPD; > + } else { > dssdev = omap_connector_find_device(connector, > OMAP_DSS_DEVICE_OP_DETECT); > if (dssdev) > -- > Regards, > > Laurent Pinchart > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c index e9353e4cd297..a53d5967e5a9 100644 --- a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c +++ b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c @@ -211,30 +211,23 @@ static bool dvic_detect(struct omap_dss_device *dssdev) return r == 0; } -static int dvic_register_hpd_cb(struct omap_dss_device *dssdev, +static void dvic_register_hpd_cb(struct omap_dss_device *dssdev, void (*cb)(void *cb_data, enum drm_connector_status status), void *cb_data) { struct panel_drv_data *ddata = to_panel_data(dssdev); - if (!ddata->hpd_gpio) - return -ENOTSUPP; - mutex_lock(&ddata->hpd_lock); ddata->hpd_cb = cb; ddata->hpd_cb_data = cb_data; mutex_unlock(&ddata->hpd_lock); - return 0; } static void dvic_unregister_hpd_cb(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - if (!ddata->hpd_gpio) - return; - mutex_lock(&ddata->hpd_lock); ddata->hpd_cb = NULL; ddata->hpd_cb_data = NULL; diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c index 8eae973474dd..c58bf64d1a9b 100644 --- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c +++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c @@ -147,31 +147,23 @@ static bool hdmic_detect(struct omap_dss_device *dssdev) return connected; } -static int hdmic_register_hpd_cb(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, +static void hdmic_register_hpd_cb(struct omap_dss_device *dssdev, + void (*cb)(void *cb_data, enum drm_connector_status status), - void *cb_data) + void *cb_data) { struct panel_drv_data *ddata = to_panel_data(dssdev); - if (!ddata->hpd_gpio) - return -ENOTSUPP; - mutex_lock(&ddata->hpd_lock); ddata->hpd_cb = cb; ddata->hpd_cb_data = cb_data; mutex_unlock(&ddata->hpd_lock); - - return 0; } static void hdmic_unregister_hpd_cb(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - if (!ddata->hpd_gpio) - return; - mutex_lock(&ddata->hpd_lock); ddata->hpd_cb = NULL; ddata->hpd_cb_data = NULL; diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c index e5a25baa0364..7a6cac5b29e1 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c @@ -140,10 +140,10 @@ static bool tpd_detect(struct omap_dss_device *dssdev) return connected; } -static int tpd_register_hpd_cb(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, +static void tpd_register_hpd_cb(struct omap_dss_device *dssdev, + void (*cb)(void *cb_data, enum drm_connector_status status), - void *cb_data) + void *cb_data) { struct panel_drv_data *ddata = to_panel_data(dssdev); @@ -151,8 +151,6 @@ static int tpd_register_hpd_cb(struct omap_dss_device *dssdev, ddata->hpd_cb = cb; ddata->hpd_cb_data = cb_data; mutex_unlock(&ddata->hpd_lock); - - return 0; } static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev) diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index e9a47d8c0edc..d7e06883f95c 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -372,10 +372,10 @@ struct omap_dss_device_ops { bool (*detect)(struct omap_dss_device *dssdev); - int (*register_hpd_cb)(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, + void (*register_hpd_cb)(struct omap_dss_device *dssdev, + void (*cb)(void *cb_data, enum drm_connector_status status), - void *cb_data); + void *cb_data); void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); void (*enable_hpd)(struct omap_dss_device *dssdev); void (*disable_hpd)(struct omap_dss_device *dssdev); diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 578b0b105755..ba9a3dfec33e 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -299,19 +299,10 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, */ dssdev = omap_connector_find_device(connector, OMAP_DSS_DEVICE_OP_HPD); if (dssdev) { - int ret; - - ret = dssdev->ops->register_hpd_cb(dssdev, - omap_connector_hpd_cb, - omap_connector); - if (ret < 0) - DBG("%s: Failed to register HPD callback (%d).", - dssdev->name, ret); - else - connector->polled = DRM_CONNECTOR_POLL_HPD; - } - - if (!connector->polled) { + dssdev->ops->register_hpd_cb(dssdev, omap_connector_hpd_cb, + omap_connector); + connector->polled = DRM_CONNECTOR_POLL_HPD; + } else { dssdev = omap_connector_find_device(connector, OMAP_DSS_DEVICE_OP_DETECT); if (dssdev)
The HPD-related omap_dss_device operations are now only called when the device supports HPD. There's no need to duplicate that check in the omap_dss_device drivers. The .register_hpd_cb() operation can as a result be turned into a void operation. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- drivers/gpu/drm/omapdrm/displays/connector-dvi.c | 9 +-------- drivers/gpu/drm/omapdrm/displays/connector-hdmi.c | 14 +++----------- drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c | 8 +++----- drivers/gpu/drm/omapdrm/dss/omapdss.h | 6 +++--- drivers/gpu/drm/omapdrm/omap_connector.c | 17 ++++------------- 5 files changed, 14 insertions(+), 40 deletions(-)