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drm/i915: Intruduce display.wq.cleanup

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Introduce a dedicated workqueue for the commit cleanup work.
In the future we'll need this to guarantee all the cleanup
works have finished at a specific point during suspend.

Cc: Brian Geffon <bgeffon@google.com>
Cc: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241127061117.25622-3-ville.syrjala@linux.intel.com
Reviewed-by: Vidya Srinivas <vidya.srinivas@intel.com>
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
This commit is contained in:
Ville Syrjälä 2024-11-27 08:11:15 +02:00
parent 0768530b7c
commit 37ab41e11f
3 changed files with 7 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -7937,7 +7937,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
* down.
*/
INIT_WORK(&state->cleanup_work, intel_atomic_cleanup_work);
queue_work(system_highpri_wq, &state->cleanup_work);
queue_work(dev_priv->display.wq.cleanup, &state->cleanup_work);
}
static void intel_atomic_commit_work(struct work_struct *work)

3
drivers/gpu/drm/i915/display/intel_display_core.h
View File

@ -554,6 +554,9 @@ struct intel_display {
/* unbound hipri wq for page flips/plane updates */
struct workqueue_struct *flip;
/* hipri wq for commit cleanups */
struct workqueue_struct *cleanup;
} wq;
/* Grouping using named structs. Keep sorted. */

3
drivers/gpu/drm/i915/display/intel_display_driver.c
View File

@ -242,6 +242,7 @@ int intel_display_driver_probe_noirq(struct drm_i915_private *i915)
i915->display.wq.modeset = alloc_ordered_workqueue("i915_modeset", 0);
i915->display.wq.flip = alloc_workqueue("i915_flip", WQ_HIGHPRI |
WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE);
i915->display.wq.cleanup = alloc_workqueue("i915_cleanup", WQ_HIGHPRI, 0);
intel_mode_config_init(i915);
@ -571,6 +572,7 @@ void intel_display_driver_remove(struct drm_i915_private *i915)
flush_workqueue(i915->display.wq.flip);
flush_workqueue(i915->display.wq.modeset);
flush_workqueue(i915->display.wq.cleanup);
/*
* MST topology needs to be suspended so we don't have any calls to
@ -613,6 +615,7 @@ void intel_display_driver_remove_noirq(struct drm_i915_private *i915)
destroy_workqueue(i915->display.wq.flip);
destroy_workqueue(i915->display.wq.modeset);
destroy_workqueue(i915->display.wq.cleanup);
intel_fbc_cleanup(&i915->display);
}