drm/amd/display: Test DPCD AUX and Synaptics helpers

[WHAT]
Add KUnit coverage for DTN logging, DPCD read/write, fused IO and the
Synaptics DSC workaround helpers execute_synaptics_rc_command,
apply_synaptics_fifo_reset_wa,
write_dsc_enable_synaptics_non_virtual_dpcd_mst and
dm_helpers_dp_write_dsc_enable.

Assisted-by: Copilot:Claude-Opus-4.8
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

0 files changed, 0 insertions, 0 deletions