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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Copyright 2015 Freescale Semiconductor, Inc.4 *5 * Freescale DCU drm device driver6 */7 8#include <drm/drm_atomic_helper.h>9#include <drm/drm_gem_framebuffer_helper.h>10#include <drm/drm_probe_helper.h>11 12#include "fsl_dcu_drm_crtc.h"13#include "fsl_dcu_drm_drv.h"14 15static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {16 .atomic_check = drm_atomic_helper_check,17 .atomic_commit = drm_atomic_helper_commit,18 .fb_create = drm_gem_fb_create,19};20 21int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)22{23 int ret;24 25 drm_mode_config_init(fsl_dev->drm);26 27 fsl_dev->drm->mode_config.min_width = 0;28 fsl_dev->drm->mode_config.min_height = 0;29 fsl_dev->drm->mode_config.max_width = 2031;30 fsl_dev->drm->mode_config.max_height = 2047;31 fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;32 33 ret = fsl_dcu_drm_crtc_create(fsl_dev);34 if (ret)35 goto err;36 37 ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);38 if (ret)39 goto err;40 41 ret = fsl_dcu_create_outputs(fsl_dev);42 if (ret)43 goto err;44 45 drm_mode_config_reset(fsl_dev->drm);46 drm_kms_helper_poll_init(fsl_dev->drm);47 48 return 0;49 50err:51 drm_mode_config_cleanup(fsl_dev->drm);52 return ret;53}54