1 files changed, 19 insertions, 3 deletions

diff --git a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c
index fc7d4a594bca..c8e1b6c83636 100644
--- a/drivers/char/drm/mga_dma.c
+++ b/drivers/char/drm/mga_dma.c
@@ -437,7 +437,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
                                     drm_mga_dma_bootstrap_t * dma_bs)
 {
         drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
-        const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
+        unsigned int warp_size = mga_warp_microcode_size(dev_priv);
         int err;
         unsigned  offset;
         const unsigned secondary_size = dma_bs->secondary_bin_count
@@ -499,6 +499,12 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
                 return err;
         }
 
+        /* Make drm_addbufs happy by not trying to create a mapping for less
+         * than a page.
+         */
+        if (warp_size < PAGE_SIZE)
+                warp_size = PAGE_SIZE;
+
         offset = 0;
         err = drm_addmap( dev, offset, warp_size,
                           _DRM_AGP, _DRM_READ_ONLY, & dev_priv->warp );
@@ -587,7 +593,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
                                     drm_mga_dma_bootstrap_t * dma_bs)
 {
         drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
-        const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
+        unsigned int warp_size = mga_warp_microcode_size(dev_priv);
         unsigned int primary_size;
         unsigned int bin_count;
         int err;
@@ -599,6 +605,12 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
                 return DRM_ERR(EFAULT);
         }
 
+        /* Make drm_addbufs happy by not trying to create a mapping for less
+         * than a page.
+         */
+        if (warp_size < PAGE_SIZE)
+                warp_size = PAGE_SIZE;
+
         /* The proper alignment is 0x100 for this mapping */
         err = drm_addmap(dev, 0, warp_size, _DRM_CONSISTENT,
                          _DRM_READ_ONLY, &dev_priv->warp);
@@ -812,6 +824,10 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
         }
 
         if (! dev_priv->used_new_dma_init) {
+
+                dev_priv->dma_access = MGA_PAGPXFER;
+                dev_priv->wagp_enable = MGA_WAGP_ENABLE;
+
                 dev_priv->status = drm_core_findmap(dev, init->status_offset);
                 if (!dev_priv->status) {
                         DRM_ERROR("failed to find status page!\n");
@@ -928,7 +944,7 @@ static int mga_do_cleanup_dma( drm_device_t *dev )
                 drm_mga_private_t *dev_priv = dev->dev_private;
 
                 if ((dev_priv->warp != NULL) 
-                    && (dev_priv->mmio->type != _DRM_CONSISTENT))
+                    && (dev_priv->warp->type != _DRM_CONSISTENT))
                         drm_core_ioremapfree(dev_priv->warp, dev);
 
                 if ((dev_priv->primary != NULL)