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
