ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/omapdrm/dss/display.c b/marvell/linux/drivers/gpu/drm/omapdrm/dss/display.c
new file mode 100644
index 0000000..8a3f61f
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/omapdrm/dss/display.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "DISPLAY"
+
+#include <linux/kernel.h>
+#include <linux/of.h>
+
+#include <drm/drm_connector.h>
+#include <drm/drm_modes.h>
+
+#include "omapdss.h"
+
+static int disp_num_counter;
+
+void omapdss_display_init(struct omap_dss_device *dssdev)
+{
+ int id;
+
+ /*
+ * Note: this presumes that all displays either have an DT alias, or
+ * none has.
+ */
+ id = of_alias_get_id(dssdev->dev->of_node, "display");
+ if (id < 0)
+ id = disp_num_counter++;
+
+ /* Use 'label' property for name, if it exists */
+ of_property_read_string(dssdev->dev->of_node, "label", &dssdev->name);
+
+ if (dssdev->name == NULL)
+ dssdev->name = devm_kasprintf(dssdev->dev, GFP_KERNEL,
+ "display%u", id);
+}
+EXPORT_SYMBOL_GPL(omapdss_display_init);
+
+struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output)
+{
+ while (output->next)
+ output = output->next;
+
+ return omapdss_device_get(output);
+}
+EXPORT_SYMBOL_GPL(omapdss_display_get);
+
+int omapdss_display_get_modes(struct drm_connector *connector,
+ const struct videomode *vm)
+{
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode)
+ return 0;
+
+ drm_display_mode_from_videomode(vm, mode);
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+EXPORT_SYMBOL_GPL(omapdss_display_get_modes);