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, 2 insertions, 14 deletions

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 348b367debeb..b356c719f2f1 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -641,8 +641,6 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
 
         if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
                 return -EINVAL;
-        if (dev->queue_count)
-                return -EBUSY;  /* Not while in use */
 
         /* Make sure buffers are located in AGP memory that we own */
         valid = 0;
@@ -704,7 +702,6 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
                 buf->next = NULL;
                 buf->waiting = 0;
                 buf->pending = 0;
-                init_waitqueue_head(&buf->dma_wait);
                 buf->file_priv = NULL;
 
                 buf->dev_priv_size = dev->driver->dev_priv_size;
@@ -796,13 +793,11 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
         order = drm_order(request->size);
         size = 1 << order;
 
-        DRM_DEBUG("count=%d, size=%d (%d), order=%d, queue_count=%d\n",
-                  request->count, request->size, size, order, dev->queue_count);
+        DRM_DEBUG("count=%d, size=%d (%d), order=%d\n",
+                  request->count, request->size, size, order);
 
         if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
                 return -EINVAL;
-        if (dev->queue_count)
-                return -EBUSY;  /* Not while in use */
 
         alignment = (request->flags & _DRM_PAGE_ALIGN)
             ? PAGE_ALIGN(size) : size;
@@ -904,7 +899,6 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
                         buf->next = NULL;
                         buf->waiting = 0;
                         buf->pending = 0;
-                        init_waitqueue_head(&buf->dma_wait);
                         buf->file_priv = NULL;
 
                         buf->dev_priv_size = dev->driver->dev_priv_size;
@@ -1019,8 +1013,6 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request
 
         if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
                 return -EINVAL;
-        if (dev->queue_count)
-                return -EBUSY;  /* Not while in use */
 
         spin_lock(&dev->count_lock);
         if (dev->buf_use) {
@@ -1071,7 +1063,6 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request
                 buf->next = NULL;
                 buf->waiting = 0;
                 buf->pending = 0;
-                init_waitqueue_head(&buf->dma_wait);
                 buf->file_priv = NULL;
 
                 buf->dev_priv_size = dev->driver->dev_priv_size;
@@ -1177,8 +1168,6 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
 
         if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
                 return -EINVAL;
-        if (dev->queue_count)
-                return -EBUSY;  /* Not while in use */
 
         spin_lock(&dev->count_lock);
         if (dev->buf_use) {
@@ -1228,7 +1217,6 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
                 buf->next = NULL;
                 buf->waiting = 0;
                 buf->pending = 0;
-                init_waitqueue_head(&buf->dma_wait);
                 buf->file_priv = NULL;
 
                 buf->dev_priv_size = dev->driver->dev_priv_size;