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.pinch...@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(-)
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
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