drm/amd/display: test VRR transitions

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[WHAT]
Add tests for amdgpu_dm_handle_vrr_transition() covering steady inactive
state and an inactive-to-active-to-inactive vblank reference round trip.

Assisted-by: Copilot:GPT-5.6-Sol
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Hung 2026-07-29 13:43:19 -06:00 • committed by Alex Deucher

parent a7b7620512

commit 7f50f13108

2 changed files with 62 additions and 0 deletions

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1

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_freesync.c

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61

drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_freesync_test.c

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