forked from Minki/linux
7566e24767
If initialization fails (e.g. due to missing panel node or deferred probe) make sure to roll-back all operations and return the error code. Signed-off-by: Stefan Agner <stefan@agner.ch>
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* Copyright 2015 Freescale Semiconductor, Inc.
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*
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* Freescale DCU drm device driver
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <drm/drmP.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_fb_cma_helper.h>
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#include "fsl_dcu_drm_crtc.h"
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#include "fsl_dcu_drm_drv.h"
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static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
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.atomic_check = drm_atomic_helper_check,
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.atomic_commit = drm_atomic_helper_commit,
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.fb_create = drm_fb_cma_create,
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};
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int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
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{
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int ret;
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drm_mode_config_init(fsl_dev->drm);
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fsl_dev->drm->mode_config.min_width = 0;
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fsl_dev->drm->mode_config.min_height = 0;
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fsl_dev->drm->mode_config.max_width = 2031;
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fsl_dev->drm->mode_config.max_height = 2047;
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fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
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ret = fsl_dcu_drm_crtc_create(fsl_dev);
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if (ret)
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return ret;
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ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
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if (ret)
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goto fail_encoder;
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ret = fsl_dcu_drm_connector_create(fsl_dev, &fsl_dev->encoder);
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if (ret)
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goto fail_connector;
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drm_mode_config_reset(fsl_dev->drm);
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drm_kms_helper_poll_init(fsl_dev->drm);
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return 0;
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fail_encoder:
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fsl_dev->crtc.funcs->destroy(&fsl_dev->crtc);
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fail_connector:
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fsl_dev->encoder.funcs->destroy(&fsl_dev->encoder);
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return ret;
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}
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