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drm/i915/rpm: Enable runtime pm autosuspend by default

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Let's enable runtime pm autosuspend by default everywhere.
So, we can allow D3hot and bigger power savings on idle scenarios.

But at this time let's not touch the autosuspend_delay time,
what caused some regression on our previous attempt.

Also, the latest identified issue on GuC PM has been fixed by
commit 1a52faed3131 ("drm/i915/guc: Take GT PM ref when deregistering
context")

v1: Enable runtime pm autosuspend by default for Gen12
and later versions.

v2: Enable runtime pm autosuspend by default for all
platforms(Syrjala Ville)

v3: Change commit message(Nikula Jani)

Signed-off-by: Tilak Tangudu <tilak.tangudu@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211116155238.3226516-1-tilak.tangudu@intel.com
This commit is contained in:
Tilak Tangudu 2021-11-16 21:22:38 +05:30 committed by Rodrigo Vivi
parent eeb04fa64a
commit 527bab0473
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/intel_runtime_pm.c
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@ -600,6 +600,9 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
pm_runtime_use_autosuspend(kdev);
}
/* Enable by default */
pm_runtime_allow(kdev);
/*
* The core calls the driver load handler with an RPM reference held.
* We drop that here and will reacquire it during unloading in