[PATCH/RFC 26/60] drm/omap: dss: Remove output devices list

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The output devices list isn't used anymore, all output devices are
accessed through the global devices list. Remove it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/omapdrm/displays/encoder-opa362.c  |  9 ++-----
 drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c  |  8 ++----
 .../gpu/drm/omapdrm/displays/encoder-tpd12s015.c   |  8 ++----
 drivers/gpu/drm/omapdrm/dss/base.c                 |  2 ++
 drivers/gpu/drm/omapdrm/dss/dpi.c                  |  4 +--
 drivers/gpu/drm/omapdrm/dss/dsi.c                  |  4 +--
 drivers/gpu/drm/omapdrm/dss/hdmi4.c                |  4 +--
 drivers/gpu/drm/omapdrm/dss/hdmi5.c                |  4 +--
 drivers/gpu/drm/omapdrm/dss/omapdss.h              |  5 ----
 drivers/gpu/drm/omapdrm/dss/output.c               | 29 ----------------------
 drivers/gpu/drm/omapdrm/dss/sdi.c                  |  4 +--
 drivers/gpu/drm/omapdrm/dss/venc.c                 |  4 +--
 12 files changed, 20 insertions(+), 65 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
index c9c744e0c92e..c1ed4e2ce8f3 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
@@ -146,7 +146,6 @@ static int opa362_probe(struct platform_device *pdev)
 	struct panel_drv_data *ddata;
 	struct omap_dss_device *dssdev;
 	struct gpio_desc *gpio;
-	int r;
 
 	dev_dbg(&pdev->dev, "probe\n");
 
@@ -169,11 +168,7 @@ static int opa362_probe(struct platform_device *pdev)
 	dssdev->output_type = OMAP_DISPLAY_TYPE_VENC;
 	dssdev->owner = THIS_MODULE;
 
-	r = omapdss_register_output(dssdev);
-	if (r) {
-		dev_err(&pdev->dev, "Failed to register output\n");
-		return r;
-	}
+	omapdss_device_register(dssdev);
 
 	return 0;
 }
@@ -183,7 +178,7 @@ static int __exit opa362_remove(struct platform_device *pdev)
 	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
 	struct omap_dss_device *dssdev = &ddata->dssdev;
 
-	omapdss_unregister_output(&ddata->dssdev);
+	omapdss_device_unregister(&ddata->dssdev);
 
 	WARN_ON(omapdss_device_is_enabled(dssdev));
 	if (omapdss_device_is_enabled(dssdev))
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
index f568e53a9104..b360a68f074d 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
@@ -192,11 +192,7 @@ static int tfp410_probe(struct platform_device *pdev)
 	dssdev->owner = THIS_MODULE;
 	dssdev->port_num = 1;
 
-	r = omapdss_register_output(dssdev);
-	if (r) {
-		dev_err(&pdev->dev, "Failed to register output\n");
-		return r;
-	}
+	omapdss_device_register(dssdev);
 
 	return 0;
 }
@@ -206,7 +202,7 @@ static int __exit tfp410_remove(struct platform_device *pdev)
 	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
 	struct omap_dss_device *dssdev = &ddata->dssdev;
 
-	omapdss_unregister_output(&ddata->dssdev);
+	omapdss_device_unregister(&ddata->dssdev);
 
 	WARN_ON(omapdss_device_is_enabled(dssdev));
 	if (omapdss_device_is_enabled(dssdev))
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
index b15b83108833..6dc5b4b8b5ac 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
@@ -292,11 +292,7 @@ static int tpd_probe(struct platform_device *pdev)
 	dssdev->owner = THIS_MODULE;
 	dssdev->port_num = 1;
 
-	r = omapdss_register_output(dssdev);
-	if (r) {
-		dev_err(&pdev->dev, "Failed to register output\n");
-		return r;
-	}
+	omapdss_device_register(dssdev);
 
 	return 0;
 }
@@ -306,7 +302,7 @@ static int __exit tpd_remove(struct platform_device *pdev)
 	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
 	struct omap_dss_device *dssdev = &ddata->dssdev;
 
-	omapdss_unregister_output(&ddata->dssdev);
+	omapdss_device_unregister(&ddata->dssdev);
 
 	WARN_ON(omapdss_device_is_enabled(dssdev));
 	if (omapdss_device_is_enabled(dssdev))
diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
index 810dcddded8a..7cd3076c2140 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -63,6 +63,7 @@ void omapdss_device_register(struct omap_dss_device *dssdev)
 	list_add_tail(&dssdev->list, &omapdss_devices_list);
 	mutex_unlock(&omapdss_devices_lock);
 }
+EXPORT_SYMBOL_GPL(omapdss_device_register);
 
 void omapdss_device_unregister(struct omap_dss_device *dssdev)
 {
@@ -70,6 +71,7 @@ void omapdss_device_unregister(struct omap_dss_device *dssdev)
 	list_del(&dssdev->list);
 	mutex_unlock(&omapdss_devices_lock);
 }
+EXPORT_SYMBOL_GPL(omapdss_device_unregister);
 
 static bool omapdss_device_is_registered(struct device_node *node)
 {
diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c
index aab47a31f01b..d708dfa39141 100644
--- a/drivers/gpu/drm/omapdrm/dss/dpi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
@@ -717,7 +717,7 @@ static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port)
 	out->ops = &dpi_ops;
 	out->owner = THIS_MODULE;
 
-	omapdss_register_output(out);
+	omapdss_device_register(out);
 }
 
 static void dpi_uninit_output_port(struct device_node *port)
@@ -725,7 +725,7 @@ static void dpi_uninit_output_port(struct device_node *port)
 	struct dpi_data *dpi = port->data;
 	struct omap_dss_device *out = &dpi->output;
 
-	omapdss_unregister_output(out);
+	omapdss_device_unregister(out);
 }
 
 int dpi_init_port(struct dss_device *dss, struct platform_device *pdev,
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index adfda2a63ada..90820402e81f 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -4995,14 +4995,14 @@ static void dsi_init_output(struct dsi_data *dsi)
 	out->ops = &dsi_ops;
 	out->owner = THIS_MODULE;
 
-	omapdss_register_output(out);
+	omapdss_device_register(out);
 }
 
 static void dsi_uninit_output(struct dsi_data *dsi)
 {
 	struct omap_dss_device *out = &dsi->output;
 
-	omapdss_unregister_output(out);
+	omapdss_device_unregister(out);
 }
 
 static int dsi_probe_of(struct dsi_data *dsi)
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index 95b5590f70a9..c21af2eec65e 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -555,14 +555,14 @@ static void hdmi_init_output(struct omap_hdmi *hdmi)
 	out->ops = &hdmi_ops;
 	out->owner = THIS_MODULE;
 
-	omapdss_register_output(out);
+	omapdss_device_register(out);
 }
 
 static void hdmi_uninit_output(struct omap_hdmi *hdmi)
 {
 	struct omap_dss_device *out = &hdmi->output;
 
-	omapdss_unregister_output(out);
+	omapdss_device_unregister(out);
 }
 
 static int hdmi_probe_of(struct omap_hdmi *hdmi)
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
index 3e79865d4b6c..51e597a76eee 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
@@ -546,14 +546,14 @@ static void hdmi_init_output(struct omap_hdmi *hdmi)
 	out->ops = &hdmi_ops;
 	out->owner = THIS_MODULE;
 
-	omapdss_register_output(out);
+	omapdss_device_register(out);
 }
 
 static void hdmi_uninit_output(struct omap_hdmi *hdmi)
 {
 	struct omap_dss_device *out = &hdmi->output;
 
-	omapdss_unregister_output(out);
+	omapdss_device_unregister(out);
 }
 
 static int hdmi_probe_of(struct omap_hdmi *hdmi)
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index a34b1f97c085..8d2258aec952 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -414,8 +414,6 @@ struct omap_dss_device {
 
 	/* OMAP DSS output specific fields */
 
-	struct list_head output_list;
-
 	/* DISPC channel for this output */
 	enum omap_channel dispc_channel;
 	bool dispc_channel_connected;
@@ -508,9 +506,6 @@ int omap_dss_get_num_overlay_managers(void);
 
 int omap_dss_get_num_overlays(void);
 
-int omapdss_register_output(struct omap_dss_device *output);
-void omapdss_unregister_output(struct omap_dss_device *output);
-struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id);
 int omapdss_output_set_device(struct omap_dss_device *out,
 		struct omap_dss_device *dssdev);
 int omapdss_output_unset_device(struct omap_dss_device *out);
diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c
index 6abdb615a4c0..e62da96f83af 100644
--- a/drivers/gpu/drm/omapdrm/dss/output.c
+++ b/drivers/gpu/drm/omapdrm/dss/output.c
@@ -23,7 +23,6 @@
 
 #include "omapdss.h"
 
-static LIST_HEAD(output_list);
 static DEFINE_MUTEX(output_lock);
 
 int omapdss_output_set_device(struct omap_dss_device *out,
@@ -88,34 +87,6 @@ int omapdss_output_unset_device(struct omap_dss_device *out)
 }
 EXPORT_SYMBOL(omapdss_output_unset_device);
 
-int omapdss_register_output(struct omap_dss_device *out)
-{
-	list_add_tail(&out->output_list, &output_list);
-	omapdss_device_register(out);
-	return 0;
-}
-EXPORT_SYMBOL(omapdss_register_output);
-
-void omapdss_unregister_output(struct omap_dss_device *out)
-{
-	list_del(&out->output_list);
-	omapdss_device_unregister(out);
-}
-EXPORT_SYMBOL(omapdss_unregister_output);
-
-struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id)
-{
-	struct omap_dss_device *out;
-
-	list_for_each_entry(out, &output_list, output_list) {
-		if (out->id == id)
-			return out;
-	}
-
-	return NULL;
-}
-EXPORT_SYMBOL(omap_dss_get_output);
-
 struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev)
 {
 	while (dssdev->src)
diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c
index 77a8f7d86f7a..76842ca4a619 100644
--- a/drivers/gpu/drm/omapdrm/dss/sdi.c
+++ b/drivers/gpu/drm/omapdrm/dss/sdi.c
@@ -328,12 +328,12 @@ static void sdi_init_output(struct sdi_device *sdi)
 	out->ops = &sdi_ops;
 	out->owner = THIS_MODULE;
 
-	omapdss_register_output(out);
+	omapdss_device_register(out);
 }
 
 static void sdi_uninit_output(struct sdi_device *sdi)
 {
-	omapdss_unregister_output(&sdi->output);
+	omapdss_device_unregister(&sdi->output);
 }
 
 int sdi_init_port(struct dss_device *dss, struct platform_device *pdev,
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c
index 8ea622d02b5c..bed7fcb35d89 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -768,12 +768,12 @@ static void venc_init_output(struct venc_device *venc)
 	out->ops = &venc_ops;
 	out->owner = THIS_MODULE;
 
-	omapdss_register_output(out);
+	omapdss_device_register(out);
 }
 
 static void venc_uninit_output(struct venc_device *venc)
 {
-	omapdss_unregister_output(&venc->output);
+	omapdss_device_unregister(&venc->output);
 }
 
 static int venc_probe_of(struct venc_device *venc)
-- 
Regards,

Laurent Pinchart

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