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/i830_dma.c b/drivers/char/drm/i830_dma.c
index 9df0810..60c9376 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -96,7 +96,7 @@
drm_i830_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;
@@ -124,7 +124,7 @@
static int i830_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_i830_buf_priv_t *buf_priv = buf->dev_private;
drm_i830_private_t *dev_priv = dev->dev_private;
const struct file_operations *old_fops;