drm/omap: dss: Split omapdss_register_display()

Split the function into omapdss_display_init() to perform
display-specific initialization of the omap_dss_device, and
omapdss_register_display() to register the device. The latter will then
be replaced by more generic registration.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c

@@ -171,6 +171,7 @@ static int tvc_probe(struct platform_device *pdev)
 	dssdev->type = OMAP_DISPLAY_TYPE_VENC;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&pdev->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/connector-dvi.c

@@ -390,6 +390,7 @@ static int dvic_probe(struct platform_device *pdev)
 	dssdev->type = OMAP_DISPLAY_TYPE_DVI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&pdev->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/connector-hdmi.c

@@ -350,6 +350,7 @@ static int hdmic_probe(struct platform_device *pdev)
 	dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&pdev->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-dpi.c

@@ -218,6 +218,7 @@ static int panel_dpi_probe(struct platform_device *pdev)
 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&pdev->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c

@@ -1328,6 +1328,7 @@ static int dsicm_probe(struct platform_device *pdev)
 	dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE |
 		OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c

@@ -270,6 +270,7 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi)
 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&spi->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c

@@ -293,6 +293,7 @@ static int nec_8048_probe(struct spi_device *spi)
 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&spi->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c

@@ -269,6 +269,7 @@ static int sharp_ls_probe(struct platform_device *pdev)
 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&pdev->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c

@@ -800,6 +800,7 @@ static int acx565akm_probe(struct spi_device *spi)
 	dssdev->type = OMAP_DISPLAY_TYPE_SDI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&spi->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c

@@ -394,6 +394,7 @@ static int td028ttec1_panel_probe(struct spi_device *spi)
 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&spi->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c

@@ -537,6 +537,7 @@ static int tpo_td043_probe(struct spi_device *spi)
 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;
 	dssdev->owner = THIS_MODULE;
 
+	omapdss_display_init(dssdev);
 	r = omapdss_register_display(dssdev);
 	if (r) {
 		dev_err(&spi->dev, "Failed to register panel\n");

drivers/gpu/drm/omapdrm/dss/display.c

@@ -32,7 +32,7 @@ static LIST_HEAD(panel_list);
 static DEFINE_MUTEX(panel_list_mutex);
 static int disp_num_counter;
 
-int omapdss_register_display(struct omap_dss_device *dssdev)
+void omapdss_display_init(struct omap_dss_device *dssdev)
 {
 	int id;
 
@@ -52,7 +52,11 @@ int omapdss_register_display(struct omap_dss_device *dssdev)
 	if (dssdev->name == NULL)
 		dssdev->name = devm_kasprintf(dssdev->dev, GFP_KERNEL,
 					      "display%u", id);
+}
+EXPORT_SYMBOL_GPL(omapdss_display_init);
 
+int omapdss_register_display(struct omap_dss_device *dssdev)
+{
 	mutex_lock(&panel_list_mutex);
 	list_add_tail(&dssdev->panel_list, &panel_list);
 	mutex_unlock(&panel_list_mutex);

drivers/gpu/drm/omapdrm/dss/omapdss.h

@@ -487,6 +487,7 @@ static inline bool omapdss_is_initialized(void)
 	return !!omapdss_get_dss();
 }
 
+void omapdss_display_init(struct omap_dss_device *dssdev);
 int omapdss_register_display(struct omap_dss_device *dssdev);
 void omapdss_unregister_display(struct omap_dss_device *dssdev);
 #define for_each_dss_display(d) \