[PATCH 4/4] drm/i915: remove the extra modeset init layer

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Streamline the modeset init by removing the extra init layer.

No functional changes, which means the cleanup path looks hideous.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.c | 63 +++++++++++----------------------
 1 file changed, 20 insertions(+), 43 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index e332b6fd701d..4d9b61b1a115 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -215,46 +215,6 @@ intel_teardown_mchbar(struct drm_i915_private *dev_priv)
 		release_resource(&dev_priv->mch_res);
 }
 
-/* part #1: call before irq install */
-static int i915_driver_modeset_probe_noirq(struct drm_i915_private *i915)
-{
-	return intel_modeset_init_noirq(i915);
-}
-
-/* part #2: call after irq install */
-static int i915_driver_modeset_probe(struct drm_i915_private *i915)
-{
-	int ret;
-
-	/* Important: The output setup functions called by modeset_init need
-	 * working irqs for e.g. gmbus and dp aux transfers. */
-	ret = intel_modeset_init_nogem(i915);
-	if (ret)
-		goto out;
-
-	ret = i915_gem_init(i915);
-	if (ret)
-		goto cleanup_modeset;
-
-	ret = intel_modeset_init(i915);
-	if (ret)
-		goto cleanup_gem;
-
-	return 0;
-
-cleanup_gem:
-	i915_gem_suspend(i915);
-	i915_gem_driver_remove(i915);
-	i915_gem_driver_release(i915);
-cleanup_modeset:
-	/* FIXME */
-	intel_modeset_driver_remove(i915);
-	intel_irq_uninstall(i915);
-	intel_modeset_driver_remove_noirq(i915);
-out:
-	return ret;
-}
-
 static void intel_init_dpio(struct drm_i915_private *dev_priv)
 {
 	/*
@@ -923,7 +883,7 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret < 0)
 		goto out_cleanup_mmio;
 
-	ret = i915_driver_modeset_probe_noirq(i915);
+	ret = intel_modeset_init_noirq(i915);
 	if (ret < 0)
 		goto out_cleanup_hw;
 
@@ -931,10 +891,18 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret)
 		goto out_cleanup_modeset;
 
-	ret = i915_driver_modeset_probe(i915);
-	if (ret < 0)
+	ret = intel_modeset_init_nogem(i915);
+	if (ret)
 		goto out_cleanup_irq;
 
+	ret = i915_gem_init(i915);
+	if (ret)
+		goto out_cleanup_modeset2;
+
+	ret = intel_modeset_init(i915);
+	if (ret)
+		goto out_cleanup_gem;
+
 	i915_driver_register(i915);
 
 	enable_rpm_wakeref_asserts(&i915->runtime_pm);
@@ -945,6 +913,15 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	return 0;
 
+out_cleanup_gem:
+	i915_gem_suspend(i915);
+	i915_gem_driver_remove(i915);
+	i915_gem_driver_release(i915);
+out_cleanup_modeset2:
+	intel_modeset_driver_remove(i915);
+	intel_irq_uninstall(i915);
+	intel_modeset_driver_remove_noirq(i915);
+	goto out_cleanup_modeset;
 out_cleanup_irq:
 	intel_irq_uninstall(i915);
 out_cleanup_modeset:
-- 
2.20.1

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