Fix some memory leaks in drm.

Changes in v2:
- Fix it with new introduced helper instead of drm_mode_destroy().
- Update the commit message.
- Add Reviewed-by.

Jinjie Ruan (4):
  drm/tests: helpers: Add helper for drm_display_mode_from_cea_vic()
  drm/connector: hdmi: Fix memory leak in
    drm_display_mode_from_cea_vic()
  drm/ttm/tests: Fix memory leak in ttm_tt_simple_create()
  drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()

 drivers/gpu/drm/tests/drm_connector_test.c    | 24 +++++------
 .../drm/tests/drm_hdmi_state_helper_test.c    |  8 ++--
 drivers/gpu/drm/tests/drm_kunit_helpers.c     | 40 +++++++++++++++++++
 drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c |  1 +
 include/drm/drm_kunit_helpers.h               |  6 +++
 5 files changed, 63 insertions(+), 16 deletions(-)

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2.34.1