1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2009 Nokia Corporation
6 * Some code and ideas taken from drivers/video/omap/ driver
10 #define DSS_SUBSYS_NAME "DISPLAY"
12 #include <linux/kernel.h>
15 #include <drm/drm_connector.h>
16 #include <drm/drm_modes.h>
20 static int disp_num_counter;
22 void omapdss_display_init(struct omap_dss_device *dssdev)
27 * Note: this presumes that all displays either have an DT alias, or
30 id = of_alias_get_id(dssdev->dev->of_node, "display");
32 id = disp_num_counter++;
34 /* Use 'label' property for name, if it exists */
35 of_property_read_string(dssdev->dev->of_node, "label", &dssdev->name);
37 if (dssdev->name == NULL)
38 dssdev->name = devm_kasprintf(dssdev->dev, GFP_KERNEL,
41 EXPORT_SYMBOL_GPL(omapdss_display_init);
43 int omapdss_display_get_modes(struct drm_connector *connector,
44 const struct videomode *vm)
46 struct drm_display_mode *mode;
48 mode = drm_mode_create(connector->dev);
52 drm_display_mode_from_videomode(vm, mode);
54 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
55 drm_mode_set_name(mode);
56 drm_mode_probed_add(connector, mode);
60 EXPORT_SYMBOL_GPL(omapdss_display_get_modes);