drm/i915: move wedged to the other gpu error handling stuff
And to make Ben Widawsky happier, use the gpu_error instead of
the entire device as the argument in some functions.
Drop the outdated comment on ->wedged for now, a follow-up patch will
change the semantics and add a proper comment again.
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 95e022e..04b2f92 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -87,14 +87,13 @@
}
static int
-i915_gem_wait_for_error(struct drm_device *dev)
+i915_gem_wait_for_error(struct i915_gpu_error *error)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct completion *x = &dev_priv->gpu_error.completion;
+ struct completion *x = &error->completion;
unsigned long flags;
int ret;
- if (!atomic_read(&dev_priv->mm.wedged))
+ if (!atomic_read(&error->wedged))
return 0;
/*
@@ -110,7 +109,7 @@
return ret;
}
- if (atomic_read(&dev_priv->mm.wedged)) {
+ if (atomic_read(&error->wedged)) {
/* GPU is hung, bump the completion count to account for
* the token we just consumed so that we never hit zero and
* end up waiting upon a subsequent completion event that
@@ -125,9 +124,10 @@
int i915_mutex_lock_interruptible(struct drm_device *dev)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
- ret = i915_gem_wait_for_error(dev);
+ ret = i915_gem_wait_for_error(&dev_priv->gpu_error);
if (ret)
return ret;
@@ -939,11 +939,11 @@
}
int
-i915_gem_check_wedge(struct drm_i915_private *dev_priv,
+i915_gem_check_wedge(struct i915_gpu_error *error,
bool interruptible)
{
- if (atomic_read(&dev_priv->mm.wedged)) {
- struct completion *x = &dev_priv->gpu_error.completion;
+ if (atomic_read(&error->wedged)) {
+ struct completion *x = &error->completion;
bool recovery_complete;
unsigned long flags;
@@ -1025,7 +1025,7 @@
#define EXIT_COND \
(i915_seqno_passed(ring->get_seqno(ring, false), seqno) || \
- atomic_read(&dev_priv->mm.wedged))
+ atomic_read(&dev_priv->gpu_error.wedged))
do {
if (interruptible)
end = wait_event_interruptible_timeout(ring->irq_queue,
@@ -1035,7 +1035,7 @@
end = wait_event_timeout(ring->irq_queue, EXIT_COND,
timeout_jiffies);
- ret = i915_gem_check_wedge(dev_priv, interruptible);
+ ret = i915_gem_check_wedge(&dev_priv->gpu_error, interruptible);
if (ret)
end = ret;
} while (end == 0 && wait_forever);
@@ -1081,7 +1081,7 @@
BUG_ON(!mutex_is_locked(&dev->struct_mutex));
BUG_ON(seqno == 0);
- ret = i915_gem_check_wedge(dev_priv, interruptible);
+ ret = i915_gem_check_wedge(&dev_priv->gpu_error, interruptible);
if (ret)
return ret;
@@ -1146,7 +1146,7 @@
if (seqno == 0)
return 0;
- ret = i915_gem_check_wedge(dev_priv, true);
+ ret = i915_gem_check_wedge(&dev_priv->gpu_error, true);
if (ret)
return ret;
@@ -1379,7 +1379,7 @@
/* If this -EIO is due to a gpu hang, give the reset code a
* chance to clean up the mess. Otherwise return the proper
* SIGBUS. */
- if (!atomic_read(&dev_priv->mm.wedged))
+ if (!atomic_read(&dev_priv->gpu_error.wedged))
return VM_FAULT_SIGBUS;
case -EAGAIN:
/* Give the error handler a chance to run and move the
@@ -3390,7 +3390,7 @@
u32 seqno = 0;
int ret;
- if (atomic_read(&dev_priv->mm.wedged))
+ if (atomic_read(&dev_priv->gpu_error.wedged))
return -EIO;
spin_lock(&file_priv->mm.lock);
@@ -3978,9 +3978,9 @@
if (drm_core_check_feature(dev, DRIVER_MODESET))
return 0;
- if (atomic_read(&dev_priv->mm.wedged)) {
+ if (atomic_read(&dev_priv->gpu_error.wedged)) {
DRM_ERROR("Reenabling wedged hardware, good luck\n");
- atomic_set(&dev_priv->mm.wedged, 0);
+ atomic_set(&dev_priv->gpu_error.wedged, 0);
}
mutex_lock(&dev->struct_mutex);