From: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
commit 14c5cec5d0cd73e7e9d4fbea2bbfeea8f3ade871 upstream.
commit 181d1b9e31c668259d3798c521672afb8edd355c
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date: Sun Jul 21 13:16:24 2013 +0200
drm/i915: fix up gt init sequence fallout
moved dev_priv->gt_lock initialization after use. Do the initialization
much earlier with other spin lock initializations.
Reported-by: Sedat Dilek <sedat.dilek@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Tested-by: Sedat Dilek <sedat.dilek@xxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Zhouping Liu <zliu@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_dma.c | 1 +
drivers/gpu/drm/i915/intel_pm.c | 2 --
2 files changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1514,6 +1514,7 @@ int i915_driver_load(struct drm_device *
spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->gpu_error.lock);
spin_lock_init(&dev_priv->rps.lock);
+ spin_lock_init(&dev_priv->gt_lock);
mutex_init(&dev_priv->dpio_lock);
mutex_init(&dev_priv->rps.hw_lock);
mutex_init(&dev_priv->modeset_restore_lock);
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4507,8 +4507,6 @@ void intel_gt_init(struct drm_device *de
{
struct drm_i915_private *dev_priv = dev->dev_private;
- spin_lock_init(&dev_priv->gt_lock);
-
if (IS_VALLEYVIEW(dev)) {
dev_priv->gt.force_wake_get = vlv_force_wake_get;
dev_priv->gt.force_wake_put = vlv_force_wake_put;
Patches currently in stable-queue which might be from jani.nikula@xxxxxxxxxxxxxxx are
queue-3.10/drm-i915-initialize-gt_lock-early-with-other-spin-locks.patch
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