drivers/staging/imx-drm/imx-fb.c

   1 /*
   2  * i.MX drm driver
   3  *
   4  * Copyright (C) 2012 Sascha Hauer, Pengutronix
   5  *
   6  * Based on Samsung Exynos code
   7  *
   8  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  */
  20 #include <linux/module.h>
  21 #include <drm/drmP.h>
  22 #include <drm/drm_crtc.h>
  23 #include <drm/drm_crtc_helper.h>
  24 #include <drm/drm_gem_cma_helper.h>
  25 #include <drm/drm_fb_cma_helper.h>
  26
  27 #include "imx-drm.h"
  28
  29 static struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
  30         .fb_create = drm_fb_cma_create,
  31 };
  32
  33 void imx_drm_mode_config_init(struct drm_device *dev)
  34 {
  35         dev->mode_config.min_width = 64;
  36         dev->mode_config.min_height = 64;
  37
  38         /*
  39          * set max width and height as default value(4096x4096).
  40          * this value would be used to check framebuffer size limitation
  41          * at drm_mode_addfb().
  42          */
  43         dev->mode_config.max_width = 4096;
  44         dev->mode_config.max_height = 4096;
  45
  46         dev->mode_config.funcs = &imx_drm_mode_config_funcs;
  47 }