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path: root/drivers/gpu/drm/i915/i915_gem.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c38
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e0389ad1477..1449b452cc6 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1072,6 +1072,7 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
case -EAGAIN:
return VM_FAULT_OOM;
case -EFAULT:
+ case -EINVAL:
return VM_FAULT_SIGBUS;
default:
return VM_FAULT_NOPAGE;
@@ -1324,8 +1325,10 @@ i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno)
obj_priv->active = 1;
}
/* Move from whatever list we were on to the tail of execution. */
+ spin_lock(&dev_priv->mm.active_list_lock);
list_move_tail(&obj_priv->list,
&dev_priv->mm.active_list);
+ spin_unlock(&dev_priv->mm.active_list_lock);
obj_priv->last_rendering_seqno = seqno;
}
@@ -1467,6 +1470,7 @@ i915_gem_retire_request(struct drm_device *dev,
/* Move any buffers on the active list that are no longer referenced
* by the ringbuffer to the flushing/inactive lists as appropriate.
*/
+ spin_lock(&dev_priv->mm.active_list_lock);
while (!list_empty(&dev_priv->mm.active_list)) {
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
@@ -1481,7 +1485,7 @@ i915_gem_retire_request(struct drm_device *dev,
* this seqno.
*/
if (obj_priv->last_rendering_seqno != request->seqno)
- return;
+ goto out;
#if WATCH_LRU
DRM_INFO("%s: retire %d moves to inactive list %p\n",
@@ -1493,6 +1497,8 @@ i915_gem_retire_request(struct drm_device *dev,
else
i915_gem_object_move_to_inactive(obj);
}
+out:
+ spin_unlock(&dev_priv->mm.active_list_lock);
}
/**
@@ -1990,20 +1996,23 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
int regnum = obj_priv->fence_reg;
uint32_t val;
uint32_t pitch_val;
+ uint32_t fence_size_bits;
- if ((obj_priv->gtt_offset & ~I915_FENCE_START_MASK) ||
+ if ((obj_priv->gtt_offset & ~I830_FENCE_START_MASK) ||
(obj_priv->gtt_offset & (obj->size - 1))) {
- WARN(1, "%s: object 0x%08x not 1M or size aligned\n",
+ WARN(1, "%s: object 0x%08x not 512K or size aligned\n",
__func__, obj_priv->gtt_offset);
return;
}
pitch_val = (obj_priv->stride / 128) - 1;
-
+ WARN_ON(pitch_val & ~0x0000000f);
val = obj_priv->gtt_offset;
if (obj_priv->tiling_mode == I915_TILING_Y)
val |= 1 << I830_FENCE_TILING_Y_SHIFT;
- val |= I830_FENCE_SIZE_BITS(obj->size);
+ fence_size_bits = I830_FENCE_SIZE_BITS(obj->size);
+ WARN_ON(fence_size_bits & ~0x00000f00);
+ val |= fence_size_bits;
val |= pitch_val << I830_FENCE_PITCH_SHIFT;
val |= I830_FENCE_REG_VALID;
@@ -2194,7 +2203,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
return -EBUSY;
if (alignment == 0)
alignment = i915_gem_get_gtt_alignment(obj);
- if (alignment & (PAGE_SIZE - 1)) {
+ if (alignment & (i915_gem_get_gtt_alignment(obj) - 1)) {
DRM_ERROR("Invalid object alignment requested %u\n", alignment);
return -EINVAL;
}
@@ -2211,15 +2220,20 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
}
}
if (obj_priv->gtt_space == NULL) {
+ bool lists_empty;
+
/* If the gtt is empty and we're still having trouble
* fitting our object in, we're out of memory.
*/
#if WATCH_LRU
DRM_INFO("%s: GTT full, evicting something\n", __func__);
#endif
- if (list_empty(&dev_priv->mm.inactive_list) &&
- list_empty(&dev_priv->mm.flushing_list) &&
- list_empty(&dev_priv->mm.active_list)) {
+ spin_lock(&dev_priv->mm.active_list_lock);
+ lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
+ list_empty(&dev_priv->mm.flushing_list) &&
+ list_empty(&dev_priv->mm.active_list));
+ spin_unlock(&dev_priv->mm.active_list_lock);
+ if (lists_empty) {
DRM_ERROR("GTT full, but LRU list empty\n");
return -ENOMEM;
}
@@ -3675,6 +3689,7 @@ i915_gem_idle(struct drm_device *dev)
i915_gem_retire_requests(dev);
+ spin_lock(&dev_priv->mm.active_list_lock);
if (!dev_priv->mm.wedged) {
/* Active and flushing should now be empty as we've
* waited for a sequence higher than any pending execbuffer
@@ -3701,6 +3716,7 @@ i915_gem_idle(struct drm_device *dev)
obj_priv->obj->write_domain &= ~I915_GEM_GPU_DOMAINS;
i915_gem_object_move_to_inactive(obj_priv->obj);
}
+ spin_unlock(&dev_priv->mm.active_list_lock);
while (!list_empty(&dev_priv->mm.flushing_list)) {
struct drm_i915_gem_object *obj_priv;
@@ -3949,7 +3965,10 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
if (ret != 0)
return ret;
+ spin_lock(&dev_priv->mm.active_list_lock);
BUG_ON(!list_empty(&dev_priv->mm.active_list));
+ spin_unlock(&dev_priv->mm.active_list_lock);
+
BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
BUG_ON(!list_empty(&dev_priv->mm.request_list));
@@ -3993,6 +4012,7 @@ i915_gem_load(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ spin_lock_init(&dev_priv->mm.active_list_lock);
INIT_LIST_HEAD(&dev_priv->mm.active_list);
INIT_LIST_HEAD(&dev_priv->mm.flushing_list);
INIT_LIST_HEAD(&dev_priv->mm.inactive_list);