1 files changed, 24 insertions, 34 deletions

diff --git a/drivers/gpu/drm/drm_dma.c b/drivers/gpu/drm/drm_dma.c
index 7a8e2fba467..8a140a95375 100644
--- a/drivers/gpu/drm/drm_dma.c
+++ b/drivers/gpu/drm/drm_dma.c
@@ -33,7 +33,8 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "drmP.h"
+#include <linux/export.h>
+#include <drm/drmP.h>
 
 /**
  * Initialize the DMA data.
@@ -43,16 +44,22 @@
  *
  * Allocate and initialize a drm_device_dma structure.
  */
-int drm_dma_setup(struct drm_device *dev)
+int drm_legacy_dma_setup(struct drm_device *dev)
 {
 	int i;
 
-	dev->dma = drm_alloc(sizeof(*dev->dma), DRM_MEM_DRIVER);
+	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA) ||
+	    drm_core_check_feature(dev, DRIVER_MODESET)) {
+		return 0;
+	}
+
+	dev->buf_use = 0;
+	atomic_set(&dev->buf_alloc, 0);
+
+	dev->dma = kzalloc(sizeof(*dev->dma), GFP_KERNEL);
 	if (!dev->dma)
 		return -ENOMEM;
 
-	memset(dev->dma, 0, sizeof(*dev->dma));
-
 	for (i = 0; i <= DRM_MAX_ORDER; i++)
 		memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
 
@@ -67,11 +74,16 @@ int drm_dma_setup(struct drm_device *dev)
  * Free all pages associated with DMA buffers, the buffers and pages lists, and
  * finally the drm_device::dma structure itself.
  */
-void drm_dma_takedown(struct drm_device *dev)
+void drm_legacy_dma_takedown(struct drm_device *dev)
 {
 	struct drm_device_dma *dma = dev->dma;
 	int i, j;
 
+	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA) ||
+	    drm_core_check_feature(dev, DRIVER_MODESET)) {
+		return;
+	}
+
 	if (!dma)
 		return;
 
@@ -88,36 +100,19 @@ void drm_dma_takedown(struct drm_device *dev)
 					drm_pci_free(dev, dma->bufs[i].seglist[j]);
 				}
 			}
-			drm_free(dma->bufs[i].seglist,
-				 dma->bufs[i].seg_count
-				 * sizeof(*dma->bufs[0].seglist), DRM_MEM_SEGS);
+			kfree(dma->bufs[i].seglist);
 		}
 		if (dma->bufs[i].buf_count) {
 			for (j = 0; j < dma->bufs[i].buf_count; j++) {
-				if (dma->bufs[i].buflist[j].dev_private) {
-					drm_free(dma->bufs[i].buflist[j].
-						 dev_private,
-						 dma->bufs[i].buflist[j].
-						 dev_priv_size, DRM_MEM_BUFS);
-				}
+				kfree(dma->bufs[i].buflist[j].dev_private);
 			}
-			drm_free(dma->bufs[i].buflist,
-				 dma->bufs[i].buf_count *
-				 sizeof(*dma->bufs[0].buflist), DRM_MEM_BUFS);
+			kfree(dma->bufs[i].buflist);
 		}
 	}
 
-	if (dma->buflist) {
-		drm_free(dma->buflist,
-			 dma->buf_count * sizeof(*dma->buflist), DRM_MEM_BUFS);
-	}
-
-	if (dma->pagelist) {
-		drm_free(dma->pagelist,
-			 dma->page_count * sizeof(*dma->pagelist),
-			 DRM_MEM_PAGES);
-	}
-	drm_free(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER);
+	kfree(dma->buflist);
+	kfree(dma->pagelist);
+	kfree(dev->dma);
 	dev->dma = NULL;
 }
 
@@ -138,11 +133,6 @@ 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);
-	}
 }
 
 /**