[PATCH 22/31] drm/i915/display: Move runtime pm related calls under intel_display_driver

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Continue moving more display stuff from i915_driver to intel_display.
With the end goal of reconciling xe and i915 sequences.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
 .../drm/i915/display/intel_display_driver.c   | 58 +++++++++++++++++++
 .../drm/i915/display/intel_display_driver.h   |  4 ++
 drivers/gpu/drm/i915/i915_driver.c            | 46 ++-------------
 3 files changed, 66 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
index f3a586913c6f..62a7aa56f0da 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -856,6 +856,64 @@ void intel_display_driver_resume(struct drm_i915_private *i915)
 	intel_power_domains_enable(i915);
 }
 
+void intel_display_driver_runtime_suspend(struct drm_i915_private *i915)
+{
+	intel_display_power_suspend(i915);
+}
+
+void intel_display_driver_runtime_suspend_late(struct drm_i915_private *i915)
+{
+	struct intel_display *display = &i915->display;
+
+	/*
+	 * FIXME: We really should find a document that references the arguments
+	 * used below!
+	 */
+	if (IS_BROADWELL(i915)) {
+		/*
+		 * On Broadwell, if we use PCI_D1 the PCH DDI ports will stop
+		 * being detected, and the call we do at intel_runtime_resume()
+		 * won't be able to restore them. Since PCI_D3hot matches the
+		 * actual specification and appears to be working, use it.
+		 */
+		intel_opregion_notify_adapter(display, PCI_D3hot);
+	} else {
+		/*
+		 * current versions of firmware which depend on this opregion
+		 * notification have repurposed the D1 definition to mean
+		 * "runtime suspended" vs. what you would normally expect (D3)
+		 * to distinguish it from notifications that might be sent via
+		 * the suspend path.
+		 */
+		intel_opregion_notify_adapter(display, PCI_D1);
+	}
+
+	if (!IS_VALLEYVIEW(i915) && !IS_CHERRYVIEW(i915))
+		intel_hpd_poll_enable(i915);
+}
+
+void intel_display_driver_runtime_resume_early(struct drm_i915_private *i915)
+{
+	intel_opregion_notify_adapter(&i915->display, PCI_D0);
+
+	intel_display_power_resume(i915);
+}
+
+void intel_display_driver_runtime_resume(struct drm_i915_private *i915)
+{
+	/*
+	 * On VLV/CHV display interrupts are part of the display
+	 * power well, so hpd is reinitialized from there. For
+	 * everyone else do it here.
+	 */
+	if (!IS_VALLEYVIEW(i915) && !IS_CHERRYVIEW(i915)) {
+		intel_hpd_init(i915);
+		intel_hpd_poll_disable(i915);
+	}
+
+	skl_watermark_ipc_update(i915);
+}
+
 void intel_display_driver_shutdown(struct drm_i915_private *i915)
 {
 	intel_power_domains_disable(i915);
diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.h b/drivers/gpu/drm/i915/display/intel_display_driver.h
index e287574fcd35..b1441a55d72d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.h
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.h
@@ -33,6 +33,10 @@ void intel_display_driver_resume(struct drm_i915_private *i915);
 void intel_display_driver_resume_noirq(struct drm_i915_private *i915);
 void intel_display_driver_resume_noirq_legacy(struct drm_i915_private *i915);
 void intel_display_driver_resume_nogem(struct intel_display *display);
+void intel_display_driver_runtime_suspend(struct drm_i915_private *i915);
+void intel_display_driver_runtime_suspend_late(struct drm_i915_private *i915);
+void intel_display_driver_runtime_resume_early(struct drm_i915_private *i915);
+void intel_display_driver_runtime_resume(struct drm_i915_private *i915);
 void intel_display_driver_shutdown(struct drm_i915_private *i915);
 void intel_display_driver_shutdown_noirq(struct drm_i915_private *i915);
 void intel_display_driver_shutdown_nogem(struct drm_i915_private *i915);
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 7fce210d355d..b3eaa55ebacb 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -1373,7 +1373,6 @@ static int i915_pm_restore(struct device *kdev)
 static int intel_runtime_suspend(struct device *kdev)
 {
 	struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
-	struct intel_display *display = &dev_priv->display;
 	struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
 	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	struct pci_dev *root_pdev;
@@ -1403,7 +1402,7 @@ static int intel_runtime_suspend(struct device *kdev)
 	for_each_gt(gt, dev_priv, i)
 		intel_uncore_suspend(gt->uncore);
 
-	intel_display_power_suspend(dev_priv);
+	intel_display_driver_runtime_suspend(dev_priv);
 
 	ret = vlv_suspend_complete(dev_priv);
 	if (ret) {
@@ -1437,34 +1436,10 @@ static int intel_runtime_suspend(struct device *kdev)
 	if (root_pdev)
 		pci_d3cold_disable(root_pdev);
 
-	/*
-	 * FIXME: We really should find a document that references the arguments
-	 * used below!
-	 */
-	if (IS_BROADWELL(dev_priv)) {
-		/*
-		 * On Broadwell, if we use PCI_D1 the PCH DDI ports will stop
-		 * being detected, and the call we do at intel_runtime_resume()
-		 * won't be able to restore them. Since PCI_D3hot matches the
-		 * actual specification and appears to be working, use it.
-		 */
-		intel_opregion_notify_adapter(display, PCI_D3hot);
-	} else {
-		/*
-		 * current versions of firmware which depend on this opregion
-		 * notification have repurposed the D1 definition to mean
-		 * "runtime suspended" vs. what you would normally expect (D3)
-		 * to distinguish it from notifications that might be sent via
-		 * the suspend path.
-		 */
-		intel_opregion_notify_adapter(display, PCI_D1);
-	}
+	intel_display_driver_runtime_suspend_late(dev_priv);
 
 	assert_forcewakes_inactive(&dev_priv->uncore);
 
-	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
-		intel_hpd_poll_enable(dev_priv);
-
 	drm_dbg(&dev_priv->drm, "Device suspended\n");
 	return 0;
 }
@@ -1472,7 +1447,6 @@ static int intel_runtime_suspend(struct device *kdev)
 static int intel_runtime_resume(struct device *kdev)
 {
 	struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
-	struct intel_display *display = &dev_priv->display;
 	struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
 	struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
 	struct pci_dev *root_pdev;
@@ -1487,8 +1461,6 @@ static int intel_runtime_resume(struct device *kdev)
 	drm_WARN_ON_ONCE(&dev_priv->drm, atomic_read(&rpm->wakeref_count));
 	disable_rpm_wakeref_asserts(rpm);
 
-	intel_opregion_notify_adapter(display, PCI_D0);
-
 	root_pdev = pcie_find_root_port(pdev);
 	if (root_pdev)
 		pci_d3cold_enable(root_pdev);
@@ -1497,7 +1469,7 @@ static int intel_runtime_resume(struct device *kdev)
 		drm_dbg(&dev_priv->drm,
 			"Unclaimed access during suspend, bios?\n");
 
-	intel_display_power_resume(dev_priv);
+	intel_display_driver_runtime_resume_early(dev_priv);
 
 	ret = vlv_resume_prepare(dev_priv, true);
 
@@ -1515,17 +1487,7 @@ static int intel_runtime_resume(struct device *kdev)
 
 	intel_pxp_runtime_resume(dev_priv->pxp);
 
-	/*
-	 * On VLV/CHV display interrupts are part of the display
-	 * power well, so hpd is reinitialized from there. For
-	 * everyone else do it here.
-	 */
-	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) {
-		intel_hpd_init(dev_priv);
-		intel_hpd_poll_disable(dev_priv);
-	}
-
-	skl_watermark_ipc_update(dev_priv);
+	intel_display_driver_runtime_resume_early(dev_priv);
 
 	enable_rpm_wakeref_asserts(rpm);
 
-- 
2.46.0




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