drivers/gpu/drm/vc4/tests/vc4_mock_plane.c

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include <drm/drm_atomic_state_helper.h>
   4 #include <drm/drm_fourcc.h>
   5 #include <drm/drm_modeset_helper_vtables.h>
   6 #include <drm/drm_plane.h>
   7
   8 #include <kunit/test.h>
   9
  10 #include "vc4_mock.h"
  11
  12 static const struct drm_plane_helper_funcs vc4_dummy_plane_helper_funcs = {
  13 };
  14
  15 static const struct drm_plane_funcs vc4_dummy_plane_funcs = {
  16         .atomic_destroy_state   = drm_atomic_helper_plane_destroy_state,
  17         .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
  18         .reset                  = drm_atomic_helper_plane_reset,
  19 };
  20
  21 static const uint32_t vc4_dummy_plane_formats[] = {
  22         DRM_FORMAT_XRGB8888,
  23 };
  24
  25 struct vc4_dummy_plane *vc4_dummy_plane(struct kunit *test,
  26                                         struct drm_device *drm,
  27                                         enum drm_plane_type type)
  28 {
  29         struct vc4_dummy_plane *dummy_plane;
  30         struct drm_plane *plane;
  31
  32         dummy_plane = drmm_universal_plane_alloc(drm,
  33                                                  struct vc4_dummy_plane, plane.base,
  34                                                  0,
  35                                                  &vc4_dummy_plane_funcs,
  36                                                  vc4_dummy_plane_formats,
  37                                                  ARRAY_SIZE(vc4_dummy_plane_formats),
  38                                                  NULL,
  39                                                  DRM_PLANE_TYPE_PRIMARY,
  40                                                  NULL);
  41         KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dummy_plane);
  42
  43         plane = &dummy_plane->plane.base;
  44         drm_plane_helper_add(plane, &vc4_dummy_plane_helper_funcs);
  45
  46         return dummy_plane;
  47 }