forked from Minki/linux
1802d0beec
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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* ARC PGU DRM driver.
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*
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* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
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*/
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#include <drm/drm_crtc.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_device.h>
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#include "arcpgu.h"
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static struct drm_encoder_funcs arcpgu_drm_encoder_funcs = {
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.destroy = drm_encoder_cleanup,
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};
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int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np)
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{
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struct drm_encoder *encoder;
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struct drm_bridge *bridge;
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int ret = 0;
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encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL);
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if (encoder == NULL)
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return -ENOMEM;
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/* Locate drm bridge from the hdmi encoder DT node */
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bridge = of_drm_find_bridge(np);
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if (!bridge)
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return -EPROBE_DEFER;
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encoder->possible_crtcs = 1;
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encoder->possible_clones = 0;
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ret = drm_encoder_init(drm, encoder, &arcpgu_drm_encoder_funcs,
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DRM_MODE_ENCODER_TMDS, NULL);
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if (ret)
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return ret;
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/* Link drm_bridge to encoder */
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ret = drm_bridge_attach(encoder, bridge, NULL);
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if (ret)
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drm_encoder_cleanup(encoder);
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return ret;
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}
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