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kernel/linux-rt-4.4.41/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_kms.c 1.29 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright 2015 Freescale Semiconductor, Inc.
   *
   * Freescale DCU drm device driver
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  
  #include <drm/drmP.h>
  #include <drm/drm_atomic_helper.h>
  #include <drm/drm_crtc_helper.h>
  #include <drm/drm_fb_cma_helper.h>
  
  #include "fsl_dcu_drm_crtc.h"
  #include "fsl_dcu_drm_drv.h"
  
  static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
  	.atomic_check = drm_atomic_helper_check,
  	.atomic_commit = drm_atomic_helper_commit,
  	.fb_create = drm_fb_cma_create,
  };
  
  int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
  {
  	drm_mode_config_init(fsl_dev->drm);
  
  	fsl_dev->drm->mode_config.min_width = 0;
  	fsl_dev->drm->mode_config.min_height = 0;
  	fsl_dev->drm->mode_config.max_width = 2031;
  	fsl_dev->drm->mode_config.max_height = 2047;
  	fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
  
  	drm_kms_helper_poll_init(fsl_dev->drm);
  	fsl_dcu_drm_crtc_create(fsl_dev);
  	fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
  	fsl_dcu_drm_connector_create(fsl_dev, &fsl_dev->encoder);
  	drm_mode_config_reset(fsl_dev->drm);
  
  	return 0;
  }