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drm/i915/lpe: Mark LPE audio runtime pm as "no callbacks"

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The LPE audio is a child device of i915, it is powered up and down
alongside the igfx and presents no independent runtime interface. This
aptly fulfils the description of a "No-Callback" Device, so mark it
thus.

Fixes: 183c00350c ("drm/i915: Fix runtime PM for LPE audio")
Testcase: igt/pm_rpm/basic-pci-d3-state
Testcase: igt/pm_rpm/basic-rte
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180802140416.6062-1-chris@chris-wilson.co.uk
(cherry picked from commit 46e831abe8)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Chris Wilson 2018-08-02 15:04:16 +01:00 committed by Rodrigo Vivi
parent 497bfb7068
commit 75eef0f1ed
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/i915/intel_lpe_audio.c
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@ -126,9 +126,7 @@ lpe_audio_platdev_create(struct drm_i915_private *dev_priv)
return platdev;
}
pm_runtime_forbid(&platdev->dev);
pm_runtime_set_active(&platdev->dev);
pm_runtime_enable(&platdev->dev);
pm_runtime_no_callbacks(&platdev->dev);
return platdev;
}