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path: root/drivers/video/omap2/dss/dpi.c
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Diffstat (limited to 'drivers/video/omap2/dss/dpi.c')
-rw-r--r--drivers/video/omap2/dss/dpi.c58
1 files changed, 47 insertions, 11 deletions
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 5ccce9b69e42..fac19d39ab18 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -371,10 +371,14 @@ static int __init dpi_init_display(struct omap_dss_device *dssdev)
return 0;
}
-static void __init dpi_probe_pdata(struct platform_device *pdev)
+static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
- int i, r;
+ const char *def_disp_name = dss_get_default_display_name();
+ struct omap_dss_device *def_dssdev;
+ int i;
+
+ def_dssdev = NULL;
for (i = 0; i < pdata->num_devices; ++i) {
struct omap_dss_device *dssdev = pdata->devices[i];
@@ -382,16 +386,48 @@ static void __init dpi_probe_pdata(struct platform_device *pdev)
if (dssdev->type != OMAP_DISPLAY_TYPE_DPI)
continue;
- r = dpi_init_display(dssdev);
- if (r) {
- DSSERR("device %s init failed: %d\n", dssdev->name, r);
- continue;
+ if (def_dssdev == NULL)
+ def_dssdev = dssdev;
+
+ if (def_disp_name != NULL &&
+ strcmp(dssdev->name, def_disp_name) == 0) {
+ def_dssdev = dssdev;
+ break;
}
+ }
- r = omap_dss_register_device(dssdev, &pdev->dev, i);
- if (r)
- DSSERR("device %s register failed: %d\n",
- dssdev->name, r);
+ return def_dssdev;
+}
+
+static void __init dpi_probe_pdata(struct platform_device *dpidev)
+{
+ struct omap_dss_device *plat_dssdev;
+ struct omap_dss_device *dssdev;
+ int r;
+
+ plat_dssdev = dpi_find_dssdev(dpidev);
+
+ if (!plat_dssdev)
+ return;
+
+ dssdev = dss_alloc_and_init_device(&dpidev->dev);
+ if (!dssdev)
+ return;
+
+ dss_copy_device_pdata(dssdev, plat_dssdev);
+
+ r = dpi_init_display(dssdev);
+ if (r) {
+ DSSERR("device %s init failed: %d\n", dssdev->name, r);
+ dss_put_device(dssdev);
+ return;
+ }
+
+ r = dss_add_device(dssdev);
+ if (r) {
+ DSSERR("device %s register failed: %d\n", dssdev->name, r);
+ dss_put_device(dssdev);
+ return;
}
}
@@ -406,7 +442,7 @@ static int __init omap_dpi_probe(struct platform_device *pdev)
static int __exit omap_dpi_remove(struct platform_device *pdev)
{
- omap_dss_unregister_child_devices(&pdev->dev);
+ dss_unregister_child_devices(&pdev->dev);
return 0;
}