drivers/gpu/drm/qxl/qxl_prime.c

   1 /*
   2  * Copyright 2014 Canonical
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Andreas Pokorny
  23  */
  24
  25 #include "qxl_drv.h"
  26
  27 /* Empty Implementations as there should not be any other driver for a virtual
  28  * device that might share buffers with qxl */
  29
  30 int qxl_gem_prime_pin(struct drm_gem_object *obj)
  31 {
  32         WARN_ONCE(1, "not implemented");
  33         return -ENOSYS;
  34 }
  35
  36 void qxl_gem_prime_unpin(struct drm_gem_object *obj)
  37 {
  38         WARN_ONCE(1, "not implemented");
  39 }
  40
  41
  42 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
  43 {
  44         WARN_ONCE(1, "not implemented");
  45         return ERR_PTR(-ENOSYS);
  46 }
  47
  48 struct drm_gem_object *qxl_gem_prime_import_sg_table(
  49         struct drm_device *dev, struct dma_buf_attachment *attach,
  50         struct sg_table *table)
  51 {
  52         WARN_ONCE(1, "not implemented");
  53         return ERR_PTR(-ENOSYS);
  54 }
  55
  56 void *qxl_gem_prime_vmap(struct drm_gem_object *obj)
  57 {
  58         WARN_ONCE(1, "not implemented");
  59         return ERR_PTR(-ENOSYS);
  60 }
  61
  62 void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
  63 {
  64         WARN_ONCE(1, "not implemented");
  65 }
  66
  67 int qxl_gem_prime_mmap(struct drm_gem_object *obj,
  68                        struct vm_area_struct *area)
  69 {
  70         WARN_ONCE(1, "not implemented");
  71         return -ENOSYS;
  72 }