From d6843dda38dfa6dec213786d514051af34c9b84c Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Wed, 2 Sep 2020 17:30:23 +0300
Subject: [PATCH] drm/i915: remove the extra modeset init layer
MIME-Version: 1.0
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Streamline the modeset init by removing the extra init layer.
No functional changes, which means the cleanup path looks hideous.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/62c32c35683b843ecdc2eca2bd2d3e62cb705e96.1599056955.git.jani.nikula@intel.com
---
drivers/gpu/drm/i915/i915_drv.c | 64 +++++++++++----------------------
1 file changed, 21 insertions(+), 43 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 452c86a31e026..2746f3dcdc34d 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 +913,16 @@ 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:
+ /* FIXME clean up the error path */
+ 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:
--
2.30.2