Create new tests for checking if ASSR is working on eDP displays.
The tests also cover embedded and non-removable displays that
appear as DP.

Currrently the tests are verified to work on AMD hardware but failing
on some others, so they are AMD-specific for the time being.

Changes from prior rev1 to now:

v4:
  - Move tests back to being amdgpu specific
  - Fix spacing in the test description
v3:
  - Move tests from amdgpu to generic
v2:
  - Fix static local variable used in path name creation
  - Fix test assertion
  - Allow tests to run on any GPU
  - Keep test in alphabetical order

Stylon Wang (2):
  tests/amdgpu: New ASSR test on DP/eDP links
  tests/amdgpu: Add suspend and DPMS subtests to ASSR test

 tests/amdgpu/amd_assr.c  | 303 +++++++++++++++++++++++++++++++++++++++
 tests/amdgpu/meson.build |   1 +
 2 files changed, 304 insertions(+)
 create mode 100644 tests/amdgpu/amd_assr.c

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2.32.0