drm: kill dma queue support

Absolutely unused. All the values are only ever initialized and
then used at most in some debug printout functions.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/gpu/drm/drm_dma.c b/drivers/gpu/drm/drm_dma.c
index cfb4e333ec0..08f5e5309b2 100644
--- a/drivers/gpu/drm/drm_dma.c
+++ b/drivers/gpu/drm/drm_dma.c
@@ -120,11 +120,6 @@ void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf)
         buf->pending = 0;
         buf->file_priv = NULL;
         buf->used = 0;
-
-        if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE)
-            && waitqueue_active(&buf->dma_wait)) {
-                wake_up_interruptible(&buf->dma_wait);
-        }
 }
 
 /**