提交 9c9fe1f8 编写于 作者: E Eric Anholt

drm/i915: Use our own workqueue to avoid wedging the system along with the GPU.

Signed-off-by: NEric Anholt <eric@anholt.net>
上级 0c2e3952
......@@ -1186,6 +1186,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (ret)
goto out_iomapfree;
dev_priv->wq = create_workqueue("i915");
if (dev_priv->wq == NULL) {
DRM_ERROR("Failed to create our workqueue.\n");
ret = -ENOMEM;
goto out_iomapfree;
}
/* enable GEM by default */
dev_priv->has_gem = 1;
......@@ -1211,7 +1218,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (!I915_NEED_GFX_HWS(dev)) {
ret = i915_init_phys_hws(dev);
if (ret != 0)
goto out_iomapfree;
goto out_workqueue_free;
}
i915_get_mem_freq(dev);
......@@ -1245,7 +1252,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
ret = i915_load_modeset_init(dev, prealloc_size, agp_size);
if (ret < 0) {
DRM_ERROR("failed to init modeset\n");
goto out_rmmap;
goto out_workqueue_free;
}
}
......@@ -1256,6 +1263,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
return 0;
out_workqueue_free:
destroy_workqueue(dev_priv->wq);
out_iomapfree:
io_mapping_free(dev_priv->mm.gtt_mapping);
out_rmmap:
......@@ -1269,6 +1278,8 @@ int i915_driver_unload(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
destroy_workqueue(dev_priv->wq);
io_mapping_free(dev_priv->mm.gtt_mapping);
if (dev_priv->mm.gtt_mtrr >= 0) {
mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base,
......
......@@ -231,6 +231,7 @@ typedef struct drm_i915_private {
spinlock_t error_lock;
struct drm_i915_error_state *first_error;
struct work_struct error_work;
struct workqueue_struct *wq;
/* Register state */
u8 saveLBB;
......
......@@ -1570,7 +1570,7 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
}
if (was_empty && !dev_priv->mm.suspended)
schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
return seqno;
}
......@@ -1719,7 +1719,7 @@ i915_gem_retire_work_handler(struct work_struct *work)
i915_gem_retire_requests(dev);
if (!dev_priv->mm.suspended &&
!list_empty(&dev_priv->mm.request_list))
schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
mutex_unlock(&dev->struct_mutex);
}
......
......@@ -482,7 +482,7 @@ static void i915_handle_error(struct drm_device *dev)
I915_WRITE(IIR, I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
}
schedule_work(&dev_priv->error_work);
queue_work(dev_priv->wq, &dev_priv->error_work);
}
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
......@@ -560,7 +560,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
DRM_DEBUG("hotplug event received, stat 0x%08x\n",
hotplug_status);
if (hotplug_status & dev_priv->hotplug_supported_mask)
schedule_work(&dev_priv->hotplug_work);
queue_work(dev_priv->wq,
&dev_priv->hotplug_work);
I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status);
I915_READ(PORT_HOTPLUG_STAT);
......
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