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drm/i915: add a dedicated workqueue inside drm_i915_private

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In order to avoid flush_scheduled_work() usage, add a dedicated
workqueue in the drm_i915_private structure.  In this way, we don't
need to use the system queue anymore.

This change is mostly mechanical and based on Tetsuo's original
patch[1].

v6 by Jani:
- Also create unordered_wq for mock device

Link: https://patchwork.freedesktop.org/series/114608/ [1]
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c816ebe17ef08d363981942a096a586a7658a65e.1686231190.git.jani.nikula@intel.com
This commit is contained in:
Luca Coelho
2023-06-08 16:35:45 +03:00
committed by Jani Nikula
parent 8d208a5eed
commit 848a4e5c09
25 changed files with 110 additions and 54 deletions
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2
drivers/gpu/drm/i915/intel_wakeref.c
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@@ -75,7 +75,7 @@ void __intel_wakeref_put_last(struct intel_wakeref *wf, unsigned long flags)
/* Assume we are not in process context and so cannot sleep. */
if (flags & INTEL_WAKEREF_PUT_ASYNC || !mutex_trylock(&wf->mutex)) {
mod_delayed_work(system_wq, &wf->work,
mod_delayed_work(wf->i915->unordered_wq, &wf->work,
FIELD_GET(INTEL_WAKEREF_PUT_DELAY, flags));
return;
}