[PATCH 02/39] drm: kill dev->context_wait

[Daniel Vetter]

No one ever waits on this waitqueue, so the wake_up call is wasted.
Remove it all.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/drm_context.c | 1 -
 drivers/gpu/drm/drm_fops.c    | 1 -
 include/drm/drmP.h            | 1 -
 3 files changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
index 6f9731f..5cc17f3 100644
--- a/drivers/gpu/drm/drm_context.c
+++ b/drivers/gpu/drm/drm_context.c
@@ -261,7 +261,6 @@ static int drm_context_switch_complete(struct drm_device *dev,
 	   when the kernel holds the lock, release
 	   that lock here. */
 	clear_bit(0, &dev->context_flag);
-	wake_up(&dev->context_wait);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 3a24385..0dcbbdb 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -81,7 +81,6 @@ static int drm_setup(struct drm_device * dev)
 	dev->last_context = 0;
 	dev->last_switch = 0;
 	dev->last_checked = 0;
-	init_waitqueue_head(&dev->context_wait);
 	dev->if_version = 0;
 
 	dev->ctx_start = 0;
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 523e5f2..4499133 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1133,7 +1133,6 @@ struct drm_device {
 	__volatile__ long context_flag;	/**< Context swapping flag */
 	__volatile__ long interrupt_flag; /**< Interruption handler flag */
 	__volatile__ long dma_flag;	/**< DMA dispatch flag */
-	wait_queue_head_t context_wait;	/**< Processes waiting on ctx switch */
 	int last_checked;		/**< Last context checked for DMA */
 	int last_context;		/**< Last current context */
 	unsigned long last_switch;	/**< jiffies at last context switch */
-- 
1.8.3.2