drm: kill dev->context_wait
No one ever waits on this waitqueue, so the wake_up call is wasted. Remove it all. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@gmail.com>
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@ -261,7 +261,6 @@ static int drm_context_switch_complete(struct drm_device *dev,
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when the kernel holds the lock, release
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when the kernel holds the lock, release
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that lock here. */
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that lock here. */
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clear_bit(0, &dev->context_flag);
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clear_bit(0, &dev->context_flag);
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wake_up(&dev->context_wait);
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return 0;
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return 0;
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}
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}
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@ -81,7 +81,6 @@ static int drm_setup(struct drm_device * dev)
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dev->last_context = 0;
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dev->last_context = 0;
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dev->last_switch = 0;
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dev->last_switch = 0;
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dev->last_checked = 0;
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dev->last_checked = 0;
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init_waitqueue_head(&dev->context_wait);
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dev->if_version = 0;
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dev->if_version = 0;
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dev->ctx_start = 0;
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dev->ctx_start = 0;
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@ -1133,7 +1133,6 @@ struct drm_device {
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__volatile__ long context_flag; /**< Context swapping flag */
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__volatile__ long context_flag; /**< Context swapping flag */
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__volatile__ long interrupt_flag; /**< Interruption handler flag */
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__volatile__ long interrupt_flag; /**< Interruption handler flag */
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__volatile__ long dma_flag; /**< DMA dispatch flag */
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__volatile__ long dma_flag; /**< DMA dispatch flag */
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wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
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int last_checked; /**< Last context checked for DMA */
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int last_checked; /**< Last context checked for DMA */
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int last_context; /**< Last current context */
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int last_context; /**< Last current context */
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unsigned long last_switch; /**< jiffies at last context switch */
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unsigned long last_switch; /**< jiffies at last context switch */
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