drm: reorganise minor number handling using backported modesetting code.
rips out the head crap and replaces it with an idr and drm_minor structure
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index 8d7ea81..e5de8ea 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -94,7 +94,7 @@
drm_i810_buf_priv_t *buf_priv;
lock_kernel();
- dev = priv->head->dev;
+ dev = priv->minor->dev;
dev_priv = dev->dev_private;
buf = dev_priv->mmap_buffer;
buf_priv = buf->dev_private;
@@ -122,7 +122,7 @@
static int i810_map_buffer(struct drm_buf * buf, struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
+ struct drm_device *dev = file_priv->minor->dev;
drm_i810_buf_priv_t *buf_priv = buf->dev_private;
drm_i810_private_t *dev_priv = dev->dev_private;
const struct file_operations *old_fops;