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Commit 3dadef6c authored by Daniel Vetter's avatar Daniel Vetter Committed by Dave Airlie
Browse files

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: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@gmail.com>
parent 492d774d

drivers/gpu/drm/drm_context.c

+0 −1
Original line number Diff line number Diff line
@@ -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;

}

drivers/gpu/drm/drm_fops.c

+0 −1
Original line number Diff line number Diff line
@@ -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;

include/drm/drmP.h

+0 −1
Original line number Diff line number Diff line
@@ -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 */