drivers/gpu/drm/sun4i/sun4i_framebuffer.c

   1 /*
   2  * Copyright (C) 2015 Free Electrons
   3  * Copyright (C) 2015 NextThing Co
   4  *
   5  * Maxime Ripard <maxime.ripard@free-electrons.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  */
  12
  13 #include <drm/drm_atomic_helper.h>
  14 #include <drm/drm_fb_helper.h>
  15 #include <drm/drm_fb_cma_helper.h>
  16 #include <drm/drm_gem_framebuffer_helper.h>
  17 #include <drm/drmP.h>
  18
  19 #include "sun4i_drv.h"
  20 #include "sun4i_framebuffer.h"
  21
  22 static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
  23         .output_poll_changed    = drm_fb_helper_output_poll_changed,
  24         .atomic_check           = drm_atomic_helper_check,
  25         .atomic_commit          = drm_atomic_helper_commit,
  26         .fb_create              = drm_gem_fb_create,
  27 };
  28
  29 int sun4i_framebuffer_init(struct drm_device *drm)
  30 {
  31         drm_mode_config_reset(drm);
  32
  33         drm->mode_config.max_width = 8192;
  34         drm->mode_config.max_height = 8192;
  35
  36         drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
  37
  38         return drm_fb_cma_fbdev_init(drm, 32, 0);
  39 }
  40
  41 void sun4i_framebuffer_free(struct drm_device *drm)
  42 {
  43         drm_fb_cma_fbdev_fini(drm);
  44 }