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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 503 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2009 Nokia Corporation
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* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
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*
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* Some code and ideas taken from drivers/video/omap/ driver
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* by Imre Deak.
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*/
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#define DSS_SUBSYS_NAME "DISPLAY"
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#include <linux/kernel.h>
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#include <linux/of.h>
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#include <drm/drm_connector.h>
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#include <drm/drm_modes.h>
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#include "omapdss.h"
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static int disp_num_counter;
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void omapdss_display_init(struct omap_dss_device *dssdev)
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{
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int id;
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/*
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* Note: this presumes that all displays either have an DT alias, or
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* none has.
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*/
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id = of_alias_get_id(dssdev->dev->of_node, "display");
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if (id < 0)
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id = disp_num_counter++;
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/* Use 'label' property for name, if it exists */
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of_property_read_string(dssdev->dev->of_node, "label", &dssdev->name);
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if (dssdev->name == NULL)
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dssdev->name = devm_kasprintf(dssdev->dev, GFP_KERNEL,
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"display%u", id);
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}
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EXPORT_SYMBOL_GPL(omapdss_display_init);
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struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output)
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{
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while (output->next)
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output = output->next;
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return omapdss_device_get(output);
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}
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EXPORT_SYMBOL_GPL(omapdss_display_get);
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int omapdss_display_get_modes(struct drm_connector *connector,
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const struct videomode *vm)
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{
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struct drm_display_mode *mode;
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mode = drm_mode_create(connector->dev);
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if (!mode)
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return 0;
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drm_display_mode_from_videomode(vm, mode);
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mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
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drm_mode_set_name(mode);
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drm_mode_probed_add(connector, mode);
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return 1;
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}
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EXPORT_SYMBOL_GPL(omapdss_display_get_modes);
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