[PATCH 4/7] drm/i915/display: move hotplug.dp_wq init from xe and i915 to display

[Jani Nikula]

The workqueue init and destroy belongs in display. Move it.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 .../gpu/drm/i915/display/intel_display_driver.c  | 11 ++++++++++-
 drivers/gpu/drm/i915/i915_driver.c               | 13 +------------
 drivers/gpu/drm/xe/display/xe_display.c          | 16 +---------------
 3 files changed, 12 insertions(+), 28 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
index 411fe7b918a7..e40f1935323a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -243,10 +243,16 @@ int intel_display_driver_probe_noirq(struct intel_display *display)
 
 	intel_dmc_init(display);
 
+	display->hotplug.dp_wq = alloc_ordered_workqueue("intel-dp", 0);
+	if (!display->hotplug.dp_wq) {
+		ret = -ENOMEM;
+		goto cleanup_vga_client_pw_domain_dmc;
+	}
+
 	display->wq.modeset = alloc_ordered_workqueue("i915_modeset", 0);
 	if (!display->wq.modeset) {
 		ret = -ENOMEM;
-		goto cleanup_vga_client_pw_domain_dmc;
+		goto cleanup_wq_dp;
 	}
 
 	display->wq.flip = alloc_workqueue("i915_flip", WQ_HIGHPRI |
@@ -296,6 +302,8 @@ int intel_display_driver_probe_noirq(struct intel_display *display)
 	destroy_workqueue(display->wq.flip);
 cleanup_wq_modeset:
 	destroy_workqueue(display->wq.modeset);
+cleanup_wq_dp:
+	destroy_workqueue(display->hotplug.dp_wq);
 cleanup_vga_client_pw_domain_dmc:
 	intel_dmc_fini(display);
 	intel_power_domains_driver_remove(display);
@@ -631,6 +639,7 @@ void intel_display_driver_remove_noirq(struct intel_display *display)
 
 	intel_gmbus_teardown(display);
 
+	destroy_workqueue(display->hotplug.dp_wq);
 	destroy_workqueue(display->wq.flip);
 	destroy_workqueue(display->wq.modeset);
 	destroy_workqueue(display->wq.cleanup);
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 5c69d14a7673..950b7ad8d675 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -115,8 +115,6 @@ static const struct drm_driver i915_drm_driver;
 
 static int i915_workqueues_init(struct drm_i915_private *dev_priv)
 {
-	struct intel_display *display = dev_priv->display;
-
 	/*
 	 * The i915 workqueue is primarily used for batched retirement of
 	 * requests (and thus managing bo) once the task has been completed
@@ -135,10 +133,6 @@ static int i915_workqueues_init(struct drm_i915_private *dev_priv)
 	if (dev_priv->wq == NULL)
 		goto out_err;
 
-	display->hotplug.dp_wq = alloc_ordered_workqueue("i915-dp", 0);
-	if (!display->hotplug.dp_wq)
-		goto out_free_wq;
-
 	/*
 	 * The unordered i915 workqueue should be used for all work
 	 * scheduling that do not require running in order, which used
@@ -147,12 +141,10 @@ static int i915_workqueues_init(struct drm_i915_private *dev_priv)
 	 */
 	dev_priv->unordered_wq = alloc_workqueue("i915-unordered", 0, 0);
 	if (dev_priv->unordered_wq == NULL)
-		goto out_free_dp_wq;
+		goto out_free_wq;
 
 	return 0;
 
-out_free_dp_wq:
-	destroy_workqueue(display->hotplug.dp_wq);
 out_free_wq:
 	destroy_workqueue(dev_priv->wq);
 out_err:
@@ -163,10 +155,7 @@ static int i915_workqueues_init(struct drm_i915_private *dev_priv)
 
 static void i915_workqueues_cleanup(struct drm_i915_private *dev_priv)
 {
-	struct intel_display *display = dev_priv->display;
-
 	destroy_workqueue(dev_priv->unordered_wq);
-	destroy_workqueue(display->hotplug.dp_wq);
 	destroy_workqueue(dev_priv->wq);
 }
 
diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index 9513b03847a8..b0f5624177bd 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -83,14 +83,6 @@ static void unset_display_features(struct xe_device *xe)
 	xe->drm.driver_features &= ~(DRIVER_MODESET | DRIVER_ATOMIC);
 }
 
-static void display_destroy(struct drm_device *dev, void *dummy)
-{
-	struct xe_device *xe = to_xe_device(dev);
-	struct intel_display *display = xe->display;
-
-	destroy_workqueue(display->hotplug.dp_wq);
-}
-
 /**
  * xe_display_create - create display struct
  * @xe: XE device instance
@@ -105,15 +97,9 @@ static void display_destroy(struct drm_device *dev, void *dummy)
 int xe_display_create(struct xe_device *xe)
 {
 	/* TODO: Allocate display dynamically. */
-	struct intel_display *display = &xe->__display;
-
 	xe->display = &xe->__display;
 
-	display->hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0);
-	if (!display->hotplug.dp_wq)
-		return -ENOMEM;
-
-	return drmm_add_action_or_reset(&xe->drm, display_destroy, NULL);
+	return 0;
 }
 
 static void xe_display_fini_early(void *arg)
-- 
2.39.5