Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6

[linux-2.6-omap-h63xx.git] / drivers / gpu / drm / drm_fops.c

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 3a6c439652a592c4d6777a1dca1305f584c5fb3b..6c020fe5431ca5eea366e60fd9560f5096e6da58 100644 (file)
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -35,7 +35,6 @@
  */
 
 #include "drmP.h"
-#include "drm_sarea.h"
 #include <linux/poll.h>
 #include <linux/smp_lock.h>
 
@@ -55,10 +54,12 @@ static int drm_setup(struct drm_device * dev)
 
        atomic_set(&dev->ioctl_count, 0);
        atomic_set(&dev->vma_count, 0);
-       dev->buf_use = 0;
-       atomic_set(&dev->buf_alloc, 0);
 
-       if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) {
+       if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&
+           !drm_core_check_feature(dev, DRIVER_MODESET)) {
+               dev->buf_use = 0;
+               atomic_set(&dev->buf_alloc, 0);
+
                i = drm_dma_setup(dev);
                if (i < 0)
                        return i;
@@ -138,14 +139,14 @@ int drm_open(struct inode *inode, struct file *filp)
                }
                spin_unlock(&dev->count_lock);
        }
-
 out:
        mutex_lock(&dev->struct_mutex);
-       if (dev->dev_mapping == NULL)
-               dev->dev_mapping = inode->i_mapping;
-       else if (dev->dev_mapping != inode->i_mapping)
-               WARN(1, "dev->dev_mapping not inode mapping (%p expected %p)\n",
-                    dev->dev_mapping, inode->i_mapping);
+       if (minor->type == DRM_MINOR_LEGACY) {
+               BUG_ON((dev->dev_mapping != NULL) &&
+                       (dev->dev_mapping != inode->i_mapping));
+               if (dev->dev_mapping == NULL)
+                       dev->dev_mapping = inode->i_mapping;
+       }
        mutex_unlock(&dev->struct_mutex);
 
        return retcode;
@@ -182,6 +183,10 @@ int drm_stub_open(struct inode *inode, struct file *filp)
 
        old_fops = filp->f_op;
        filp->f_op = fops_get(&dev->driver->fops);
+       if (filp->f_op == NULL) {
+               filp->f_op = old_fops;
+               goto out;
+       }
        if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) {
                fops_put(filp->f_op);
                filp->f_op = fops_get(old_fops);
@@ -251,6 +256,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
        priv->lock_count = 0;
 
        INIT_LIST_HEAD(&priv->lhead);
+       INIT_LIST_HEAD(&priv->fbs);
 
        if (dev->driver->driver_features & DRIVER_GEM)
                drm_gem_open(dev, priv);
@@ -451,6 +457,9 @@ int drm_release(struct inode *inode, struct file *filp)
        if (dev->driver->driver_features & DRIVER_GEM)
                drm_gem_release(dev, file_priv);
 
+       if (dev->driver->driver_features & DRIVER_MODESET)
+               drm_fb_release(file_priv);
+
        mutex_lock(&dev->ctxlist_mutex);
        if (!list_empty(&dev->ctxlist)) {
                struct drm_ctx_list *pos, *n;