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[WHAT]
Add KUnit coverage for amdgpu_dm_commit_audio(), the remaining function
reported as untested by gcov.
The tests build hand-rolled drm_atomic_state arrays and back
dc_stream_get_status() with a fake dc->current_state to cover the
removal and addition ELD notifications along with their guard/skip
paths: writeback connector, detached connector, missing new CRTC state,
no modeset, and absent stream status.
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Drop the amdgpu_dm_kunit_helpers.h include across the amdgpu_dm source
files and use dm_helpers.h instead
Assisted-by: Copilot:Claude-Opus-4.8
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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amdgpu_dm_audio_eld_notify() is currently only called in atomic commits.
This results in the state of the HDA driver never getting updated when
an audio sink is removed and an atomic commit never comes. (eg the HDMI
audio jack switch in ALSA stays 'on' after the HDMI cable is
disconnected if no other display is connected to cause the compositor to
submit an atomic commit)
Call amdgpu_dm_audio_eld_notify() in
amdgpu_dm_update_connector_after_detect() when a sink is no longer
available to ensure that the HDA driver always gets notified on
disconnect regardless of atomic commits.
Assisted-by: Copilot:claude-sonnet-4.6
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Split audio init to make the initialization modular
Test the audio pin initialization
Assisted-by: Copilot:Claude-Opus-4.8
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add KUnit tests for amdgpu_dm_audio.c.
Tests cover:
- amdgpu_dm_audio_init(): early exit when audio is disabled
- amdgpu_dm_audio_fini(): early exit when audio is not enabled
- fill_audio_info(): manufacturer and product ID propagation,
display name copy, speaker allocation flags, CEA revision
gating of audio mode copying (including the zero-mode case),
and latency field propagation
- amdgpu_dm_audio_component_bind()/unbind(): component ops, device,
and audio_component pointer are wired up on bind and cleared on
unbind
- amdgpu_dm_audio_eld_notify(): callback is forwarded with the
correct port and audio pointer, and the no-op guard paths for a
missing component, audio_ops, or pin_eld_notify callback
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: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move audio component, init/fini, ELD notification,
fill_audio_info, and commit_audio functions from
amdgpu_dm.c into a dedicated amdgpu_dm_audio.c file
with its own header.
No functional change intended.
Assisted-by: Copilot:Claude-Opus-4.6
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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