drivers/gpu/drm/bochs/bochs_mm.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  */
   4
   5 #include "bochs.h"
   6
   7 /* ---------------------------------------------------------------------- */
   8
   9 int bochs_mm_init(struct bochs_device *bochs)
  10 {
  11         struct drm_vram_mm *vmm;
  12
  13         vmm = drm_vram_helper_alloc_mm(bochs->dev, bochs->fb_base,
  14                                        bochs->fb_size,
  15                                        &drm_gem_vram_mm_funcs);
  16         return PTR_ERR_OR_ZERO(vmm);
  17 }
  18
  19 void bochs_mm_fini(struct bochs_device *bochs)
  20 {
  21         if (!bochs->dev->vram_mm)
  22                 return;
  23
  24         drm_vram_helper_release_mm(bochs->dev);
  25 }