The encoders duplicate the same omap_dss_device src and dst fields set
and checks in their connect and disconnect handlers. Move the code to
the connect and disconnect wrappers.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/gpu/drm/omapdrm/displays/encoder-opa362.c | 10 ---------
drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c | 10 ---------
.../gpu/drm/omapdrm/displays/encoder-tpd12s015.c | 11 ----------
drivers/gpu/drm/omapdrm/dss/base.c | 24 ++++++++++++++++++++--
drivers/gpu/drm/omapdrm/dss/dpi.c | 5 -----
drivers/gpu/drm/omapdrm/dss/dsi.c | 5 -----
drivers/gpu/drm/omapdrm/dss/hdmi4.c | 5 -----
drivers/gpu/drm/omapdrm/dss/hdmi5.c | 5 -----
drivers/gpu/drm/omapdrm/dss/omapdss.h | 8 +++-----
drivers/gpu/drm/omapdrm/dss/output.c | 6 ------
drivers/gpu/drm/omapdrm/dss/sdi.c | 5 -----
drivers/gpu/drm/omapdrm/dss/venc.c | 5 -----
12 files changed, 25 insertions(+), 74 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
index 5b9ef09e6b2d..6baca0dc2b62 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
@@ -51,9 +51,6 @@ static int opa362_connect(struct omap_dss_device *dssdev,
return r;
}
- dst->src = dssdev;
- dssdev->dst = dst;
-
ddata->in = in;
return 0;
}
@@ -64,13 +61,6 @@ static void opa362_disconnect(struct omap_dss_device *dssdev,
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
- WARN_ON(dst != dssdev->dst);
- if (dst != dssdev->dst)
- return;
-
- dst->src = NULL;
- dssdev->dst = NULL;
-
omapdss_device_disconnect(in, &ddata->dssdev);
omap_dss_put_device(in);
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
index b22c8f71c0e5..c1ae8bebf04d 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
@@ -47,9 +47,6 @@ static int tfp410_connect(struct omap_dss_device *dssdev,
return r;
}
- dst->src = dssdev;
- dssdev->dst = dst;
-
ddata->in = in;
return 0;
}
@@ -60,13 +57,6 @@ static void tfp410_disconnect(struct omap_dss_device *dssdev,
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
- WARN_ON(dst != dssdev->dst);
- if (dst != dssdev->dst)
- return;
-
- dst->src = NULL;
- dssdev->dst = NULL;
-
omapdss_device_disconnect(in, &ddata->dssdev);
omap_dss_put_device(in);
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
index 640f15b88467..8aa338d01bf7 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
@@ -55,9 +55,6 @@ static int tpd_connect(struct omap_dss_device *dssdev,
return r;
}
- dst->src = dssdev;
- dssdev->dst = dst;
-
gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1);
gpiod_set_value_cansleep(ddata->ls_oe_gpio, 1);
@@ -74,17 +71,9 @@ static void tpd_disconnect(struct omap_dss_device *dssdev,
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0);
gpiod_set_value_cansleep(ddata->ls_oe_gpio, 0);
- dst->src = NULL;
- dssdev->dst = NULL;
-
omapdss_device_disconnect(in, &ddata->dssdev);
omap_dss_put_device(in);
diff --git a/drivers/gpu/drm/omapdrm/dss/base.c
b/drivers/gpu/drm/omapdrm/dss/base.c
index 01c117d8775b..810dcddded8a 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -105,15 +105,27 @@ struct omap_dss_device
*omapdss_find_device_by_port(struct device_node *src,
int omapdss_device_connect(struct omap_dss_device *src,
struct omap_dss_device *dst)
{
+ int ret;
+
dev_dbg(src->dev, "connect\n");
if (omapdss_device_is_connected(src))
return -EBUSY;
if (src->driver)
- return src->driver->connect(src);
+ ret = src->driver->connect(src);
else
- return src->ops->connect(src, dst);
+ ret = src->ops->connect(src, dst);
+
+ if (ret < 0)
+ return ret;
+
+ if (dst) {
+ dst->src = src;
+ src->dst = dst;
+ }
+
+ return 0;
}
EXPORT_SYMBOL_GPL(omapdss_device_connect);
@@ -127,6 +139,14 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
return;
}
+ if (dst) {
+ if (WARN_ON(dst != src->dst))
+ return;
+
+ dst->src = NULL;
+ src->dst = NULL;
+ }
+
if (src->driver)
src->driver->disconnect(src);
else
diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c
b/drivers/gpu/drm/omapdrm/dss/dpi.c
index 4516086e85fa..c13feaf8b086 100644
--- a/drivers/gpu/drm/omapdrm/dss/dpi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
@@ -671,11 +671,6 @@ static void dpi_disconnect(struct omap_dss_device *dssdev,
{
struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(&dpi->output, dssdev);
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c
b/drivers/gpu/drm/omapdrm/dss/dsi.c
index e4f496382617..4427389e0049 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -4990,11 +4990,6 @@ static void dsi_disconnect(struct omap_dss_device
*dssdev,
{
struct dsi_data *dsi = to_dsi_data(dssdev);
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(&dsi->output, dssdev);
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index e0406f2a90e7..7e5474e87c11 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -478,11 +478,6 @@ static void hdmi_disconnect(struct omap_dss_device *dssdev,
{
struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(&hdmi->output, dssdev);
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
index 45d2eacedb2a..86b18ccb8d24 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
@@ -481,11 +481,6 @@ static void hdmi_disconnect(struct omap_dss_device *dssdev,
{
struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(&hdmi->output, dssdev);
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h
b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 58bd6948bcde..0033adf534d3 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -391,6 +391,9 @@ struct omap_dss_device {
struct module *owner;
+ struct omap_dss_device *src;
+ struct omap_dss_device *dst;
+
struct list_head list;
struct list_head panel_list;
@@ -409,8 +412,6 @@ struct omap_dss_device {
enum omap_display_caps caps;
- struct omap_dss_device *src;
-
enum omap_dss_display_state state;
/* OMAP DSS output specific fields */
@@ -426,9 +427,6 @@ struct omap_dss_device {
/* the port number in the DT node */
int port_num;
-
- /* dynamic fields */
- struct omap_dss_device *dst;
};
struct omap_dss_driver {
diff --git a/drivers/gpu/drm/omapdrm/dss/output.c
b/drivers/gpu/drm/omapdrm/dss/output.c
index e659c8e5c419..6abdb615a4c0 100644
--- a/drivers/gpu/drm/omapdrm/dss/output.c
+++ b/drivers/gpu/drm/omapdrm/dss/output.c
@@ -47,9 +47,6 @@ int omapdss_output_set_device(struct omap_dss_device *out,
goto err;
}
- out->dst = dssdev;
- dssdev->src = out;
-
mutex_unlock(&output_lock);
return 0;
@@ -81,9 +78,6 @@ int omapdss_output_unset_device(struct omap_dss_device *out)
goto err;
}
- out->dst->src = NULL;
- out->dst = NULL;
-
mutex_unlock(&output_lock);
return 0;
diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c
b/drivers/gpu/drm/omapdrm/dss/sdi.c
index 49499a2aae46..77a8f7d86f7a 100644
--- a/drivers/gpu/drm/omapdrm/dss/sdi.c
+++ b/drivers/gpu/drm/omapdrm/dss/sdi.c
@@ -298,11 +298,6 @@ static void sdi_disconnect(struct omap_dss_device *dssdev,
{
struct sdi_device *sdi = dssdev_to_sdi(dssdev);
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(&sdi->output, dssdev);
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c
b/drivers/gpu/drm/omapdrm/dss/venc.c
index c2ea182f1074..8ea622d02b5c 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -740,11 +740,6 @@ static void venc_disconnect(struct omap_dss_device *dssdev,
{
struct venc_device *venc = dssdev_to_venc(dssdev);
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
omapdss_output_unset_device(dssdev);
dss_mgr_disconnect(&venc->output, dssdev);
--
Regards,
Laurent Pinchart
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