drm/amdgpu/display: restore the backlight on modeset (v2)
To stay consistent with the user's setting. v2: rebase on multi-eDP support Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1337 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -9093,6 +9093,12 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
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/* Update audio instances for each connector. */
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amdgpu_dm_commit_audio(dev, state);
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#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || \
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defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
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/* restore the backlight level */
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if (dm->backlight_dev)
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amdgpu_dm_backlight_set_level(dm, dm->brightness[0]);
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#endif
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/*
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* send vblank event on all events not handled in flip and
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* mark consumed event for drm_atomic_helper_commit_hw_done
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