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(parent: c50a430) | patch
drm/amd/display: Test backlight device registration
authorAlex Hung <alex.hung@amd.com>
Tue, 30 Jun 2026 00:40:26 +0000 (18:40 -0600)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 15 Jul 2026 13:15:39 +0000 (09:15 -0400)
commit0198bf2a7c707bf1a73cda80df7200f7317520f5
tree5b8e60a641951f45fe37492d26296d99a00180bftree
parentc50a4305dfc2e91681c3991af3006ccbb2ec0eb7commit | diff
drm/amd/display: Test backlight device registration

[WHAT]
Add KUnit test to amdgpu_dm_register_backlight_device() and
cover its bl_idx == -1 early return, which must leave the
backlight device slot untouched.

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>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_backlight.c diff | blob | history
drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_backlight_test.c diff | blob | history
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