20 files changed, 86 insertions, 138 deletions

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index ff2f104..766c468 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -434,11 +434,11 @@ static int drm_version(struct drm_device *dev, void *data,
  * Looks up the ioctl function in the ::ioctls table, checking for root
  * previleges if so required, and dispatches to the respective function.
  */
-int drm_ioctl(struct inode *inode, struct file *filp,
+long drm_ioctl(struct file *filp,
 	      unsigned int cmd, unsigned long arg)
 {
 	struct drm_file *file_priv = filp->private_data;
-	struct drm_device *dev = file_priv->minor->dev;
+	struct drm_device *dev;
 	struct drm_ioctl_desc *ioctl;
 	drm_ioctl_t *func;
 	unsigned int nr = DRM_IOCTL_NR(cmd);
@@ -446,6 +446,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 	char stack_kdata[128];
 	char *kdata = NULL;
 
+	dev = file_priv->minor->dev;
 	atomic_inc(&dev->ioctl_count);
 	atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]);
 	++file_priv->ioctl_count;
@@ -501,7 +502,13 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 				goto err_i1;
 			}
 		}
-		retcode = func(dev, kdata, file_priv);
+		if (ioctl->flags & DRM_UNLOCKED)
+			retcode = func(dev, kdata, file_priv);
+		else {
+			lock_kernel();
+			retcode = func(dev, kdata, file_priv);
+			unlock_kernel();
+		}
 
 		if (cmd & IOC_OUT) {
 			if (copy_to_user((void __user *)arg, kdata,
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
index 282d9fd..d61d185 100644
--- a/drivers/gpu/drm/drm_ioc32.c
+++ b/drivers/gpu/drm/drm_ioc32.c
@@ -104,7 +104,7 @@ static int compat_drm_version(struct file *file, unsigned int cmd,
 			  &version->desc))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
+	err = drm_ioctl(file,
 			DRM_IOCTL_VERSION, (unsigned long)version);
 	if (err)
 		return err;
@@ -145,8 +145,7 @@ static int compat_drm_getunique(struct file *file, unsigned int cmd,
 			  &u->unique))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_GET_UNIQUE, (unsigned long)u);
+	err = drm_ioctl(file, DRM_IOCTL_GET_UNIQUE, (unsigned long)u);
 	if (err)
 		return err;
 
@@ -174,8 +173,7 @@ static int compat_drm_setunique(struct file *file, unsigned int cmd,
 			  &u->unique))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_SET_UNIQUE, (unsigned long)u);
+	return drm_ioctl(file, DRM_IOCTL_SET_UNIQUE, (unsigned long)u);
 }
 
 typedef struct drm_map32 {
@@ -205,8 +203,7 @@ static int compat_drm_getmap(struct file *file, unsigned int cmd,
 	if (__put_user(idx, &map->offset))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_GET_MAP, (unsigned long)map);
+	err = drm_ioctl(file, DRM_IOCTL_GET_MAP, (unsigned long)map);
 	if (err)
 		return err;
 
@@ -246,8 +243,7 @@ static int compat_drm_addmap(struct file *file, unsigned int cmd,
 	    || __put_user(m32.flags, &map->flags))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_ADD_MAP, (unsigned long)map);
+	err = drm_ioctl(file, DRM_IOCTL_ADD_MAP, (unsigned long)map);
 	if (err)
 		return err;
 
@@ -284,8 +280,7 @@ static int compat_drm_rmmap(struct file *file, unsigned int cmd,
 	if (__put_user((void *)(unsigned long)handle, &map->handle))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RM_MAP, (unsigned long)map);
+	return drm_ioctl(file, DRM_IOCTL_RM_MAP, (unsigned long)map);
 }
 
 typedef struct drm_client32 {
@@ -314,8 +309,7 @@ static int compat_drm_getclient(struct file *file, unsigned int cmd,
 	if (__put_user(idx, &client->idx))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_GET_CLIENT, (unsigned long)client);
+	err = drm_ioctl(file, DRM_IOCTL_GET_CLIENT, (unsigned long)client);
 	if (err)
 		return err;
 
@@ -351,8 +345,7 @@ static int compat_drm_getstats(struct file *file, unsigned int cmd,
 	if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats)))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_GET_STATS, (unsigned long)stats);
+	err = drm_ioctl(file, DRM_IOCTL_GET_STATS, (unsigned long)stats);
 	if (err)
 		return err;
 
@@ -395,8 +388,7 @@ static int compat_drm_addbufs(struct file *file, unsigned int cmd,
 	    || __put_user(agp_start, &buf->agp_start))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_ADD_BUFS, (unsigned long)buf);
+	err = drm_ioctl(file, DRM_IOCTL_ADD_BUFS, (unsigned long)buf);
 	if (err)
 		return err;
 
@@ -427,8 +419,7 @@ static int compat_drm_markbufs(struct file *file, unsigned int cmd,
 	    || __put_user(b32.high_mark, &buf->high_mark))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_MARK_BUFS, (unsigned long)buf);
+	return drm_ioctl(file, DRM_IOCTL_MARK_BUFS, (unsigned long)buf);
 }
 
 typedef struct drm_buf_info32 {
@@ -469,8 +460,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd,
 	    || __put_user(list, &request->list))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_INFO_BUFS, (unsigned long)request);
+	err = drm_ioctl(file, DRM_IOCTL_INFO_BUFS, (unsigned long)request);
 	if (err)
 		return err;
 
@@ -531,8 +521,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd,
 	    || __put_user(list, &request->list))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_MAP_BUFS, (unsigned long)request);
+	err = drm_ioctl(file, DRM_IOCTL_MAP_BUFS, (unsigned long)request);
 	if (err)
 		return err;
 
@@ -578,8 +567,7 @@ static int compat_drm_freebufs(struct file *file, unsigned int cmd,
 			  &request->list))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_FREE_BUFS, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_FREE_BUFS, (unsigned long)request);
 }
 
 typedef struct drm_ctx_priv_map32 {
@@ -605,8 +593,7 @@ static int compat_drm_setsareactx(struct file *file, unsigned int cmd,
 			  &request->handle))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request);
 }
 
 static int compat_drm_getsareactx(struct file *file, unsigned int cmd,
@@ -628,8 +615,7 @@ static int compat_drm_getsareactx(struct file *file, unsigned int cmd,
 	if (__put_user(ctx_id, &request->ctx_id))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request);
+	err = drm_ioctl(file, DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request);
 	if (err)
 		return err;
 
@@ -664,8 +650,7 @@ static int compat_drm_resctx(struct file *file, unsigned int cmd,
 			  &res->contexts))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_RES_CTX, (unsigned long)res);
+	err = drm_ioctl(file, DRM_IOCTL_RES_CTX, (unsigned long)res);
 	if (err)
 		return err;
 
@@ -718,8 +703,7 @@ static int compat_drm_dma(struct file *file, unsigned int cmd,
 			  &d->request_sizes))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_DMA, (unsigned long)d);
+	err = drm_ioctl(file, DRM_IOCTL_DMA, (unsigned long)d);
 	if (err)
 		return err;
 
@@ -751,8 +735,7 @@ static int compat_drm_agp_enable(struct file *file, unsigned int cmd,
 	if (put_user(m32.mode, &mode->mode))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_AGP_ENABLE, (unsigned long)mode);
+	return drm_ioctl(file, DRM_IOCTL_AGP_ENABLE, (unsigned long)mode);
 }
 
 typedef struct drm_agp_info32 {
@@ -781,8 +764,7 @@ static int compat_drm_agp_info(struct file *file, unsigned int cmd,
 	if (!access_ok(VERIFY_WRITE, info, sizeof(*info)))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_AGP_INFO, (unsigned long)info);
+	err = drm_ioctl(file, DRM_IOCTL_AGP_INFO, (unsigned long)info);
 	if (err)
 		return err;
 
@@ -827,16 +809,14 @@ static int compat_drm_agp_alloc(struct file *file, unsigned int cmd,
 	    || __put_user(req32.type, &request->type))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_AGP_ALLOC, (unsigned long)request);
+	err = drm_ioctl(file, DRM_IOCTL_AGP_ALLOC, (unsigned long)request);
 	if (err)
 		return err;
 
 	if (__get_user(req32.handle, &request->handle)
 	    || __get_user(req32.physical, &request->physical)
 	    || copy_to_user(argp, &req32, sizeof(req32))) {
-		drm_ioctl(file->f_path.dentry->d_inode, file,
-			  DRM_IOCTL_AGP_FREE, (unsigned long)request);
+		drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request);
 		return -EFAULT;
 	}
 
@@ -856,8 +836,7 @@ static int compat_drm_agp_free(struct file *file, unsigned int cmd,
 	    || __put_user(handle, &request->handle))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_AGP_FREE, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request);
 }
 
 typedef struct drm_agp_binding32 {
@@ -881,8 +860,7 @@ static int compat_drm_agp_bind(struct file *file, unsigned int cmd,
 	    || __put_user(req32.offset, &request->offset))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_AGP_BIND, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_AGP_BIND, (unsigned long)request);
 }
 
 static int compat_drm_agp_unbind(struct file *file, unsigned int cmd,
@@ -898,8 +876,7 @@ static int compat_drm_agp_unbind(struct file *file, unsigned int cmd,
 	    || __put_user(handle, &request->handle))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_AGP_UNBIND, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_AGP_UNBIND, (unsigned long)request);
 }
 #endif				/* __OS_HAS_AGP */
 
@@ -923,8 +900,7 @@ static int compat_drm_sg_alloc(struct file *file, unsigned int cmd,
 	    || __put_user(x, &request->size))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_SG_ALLOC, (unsigned long)request);
+	err = drm_ioctl(file, DRM_IOCTL_SG_ALLOC, (unsigned long)request);
 	if (err)
 		return err;
 
@@ -950,8 +926,7 @@ static int compat_drm_sg_free(struct file *file, unsigned int cmd,
 	    || __put_user(x << PAGE_SHIFT, &request->handle))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_SG_FREE, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_SG_FREE, (unsigned long)request);
 }
 
 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
@@ -981,8 +956,7 @@ static int compat_drm_update_draw(struct file *file, unsigned int cmd,
 	    __put_user(update32.data, &request->data))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_UPDATE_DRAW, (unsigned long)request);
+	err = drm_ioctl(file, DRM_IOCTL_UPDATE_DRAW, (unsigned long)request);
 	return err;
 }
 #endif
@@ -1023,8 +997,7 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd,
 	    || __put_user(req32.request.signal, &request->request.signal))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_WAIT_VBLANK, (unsigned long)request);
+	err = drm_ioctl(file, DRM_IOCTL_WAIT_VBLANK, (unsigned long)request);
 	if (err)
 		return err;
 
@@ -1094,16 +1067,14 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	 * than always failing.
 	 */
 	if (nr >= ARRAY_SIZE(drm_compat_ioctls))
-		return drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+		return drm_ioctl(filp, cmd, arg);
 
 	fn = drm_compat_ioctls[nr];
 
-	lock_kernel();		/* XXX for now */
 	if (fn != NULL)
 		ret = (*fn) (filp, cmd, arg);
 	else
-		ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
+		ret = drm_ioctl(filp, cmd, arg);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index 7d1d88c..de32d22 100644
--- a/drivers/gpu/drm/i810/i810_dma.c
+++ b/drivers/gpu/drm/i810/i810_dma.c
@@ -115,7 +115,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 static const struct file_operations i810_buffer_fops = {
 	.open = drm_open,
 	.release = drm_release,
-	.ioctl = drm_ioctl,
+	.unlocked_ioctl = drm_ioctl,
 	.mmap = i810_mmap_buffers,
 	.fasync = drm_fasync,
 };
diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c
index fabb9a8..c1e0275 100644
--- a/drivers/gpu/drm/i810/i810_drv.c
+++ b/drivers/gpu/drm/i810/i810_drv.c
@@ -59,7 +59,7 @@ static struct drm_driver driver = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = drm_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
diff --git a/drivers/gpu/drm/i830/i830_dma.c b/drivers/gpu/drm/i830/i830_dma.c
index 877bf6c..06bd732 100644
--- a/drivers/gpu/drm/i830/i830_dma.c
+++ b/drivers/gpu/drm/i830/i830_dma.c
@@ -117,7 +117,7 @@ static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 static const struct file_operations i830_buffer_fops = {
 	.open = drm_open,
 	.release = drm_release,
-	.ioctl = drm_ioctl,
+	.unlocked_ioctl = drm_ioctl,
 	.mmap = i830_mmap_buffers,
 	.fasync = drm_fasync,
 };
diff --git a/drivers/gpu/drm/i830/i830_drv.c b/drivers/gpu/drm/i830/i830_drv.c
index 389597e..44f990b 100644
--- a/drivers/gpu/drm/i830/i830_drv.c
+++ b/drivers/gpu/drm/i830/i830_drv.c
@@ -70,7 +70,7 @@ static struct drm_driver driver = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = drm_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 2fa2178..24286ca 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -329,7 +329,7 @@ static struct drm_driver driver = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = drm_gem_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c
index 1fe68a2..13b0289 100644
--- a/drivers/gpu/drm/i915/i915_ioc32.c
+++ b/drivers/gpu/drm/i915/i915_ioc32.c
@@ -66,8 +66,7 @@ static int compat_i915_batchbuffer(struct file *file, unsigned int cmd,
 			  &batchbuffer->cliprects))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_I915_BATCHBUFFER,
+	return drm_ioctl(file, DRM_IOCTL_I915_BATCHBUFFER,
 			 (unsigned long)batchbuffer);
 }
 
@@ -102,8 +101,8 @@ static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd,
 			  &cmdbuffer->cliprects))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_I915_CMDBUFFER, (unsigned long)cmdbuffer);
+	return drm_ioctl(file, DRM_IOCTL_I915_CMDBUFFER,
+			 (unsigned long)cmdbuffer);
 }
 
 typedef struct drm_i915_irq_emit32 {
@@ -125,8 +124,8 @@ static int compat_i915_irq_emit(struct file *file, unsigned int cmd,
 			  &request->irq_seq))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_I915_IRQ_EMIT, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_I915_IRQ_EMIT,
+			 (unsigned long)request);
 }
 typedef struct drm_i915_getparam32 {
 	int param;
@@ -149,8 +148,8 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd,
 			  &request->value))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_I915_GETPARAM, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_I915_GETPARAM,
+			 (unsigned long)request);
 }
 
 typedef struct drm_i915_mem_alloc32 {
@@ -178,8 +177,8 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd,
 			  &request->region_offset))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_I915_ALLOC, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_I915_ALLOC,
+			 (unsigned long)request);
 }
 
 drm_ioctl_compat_t *i915_compat_ioctls[] = {
@@ -211,12 +210,10 @@ long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(i915_compat_ioctls))
 		fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE];
 
-	lock_kernel();		/* XXX for now */
 	if (fn != NULL)
 		ret = (*fn) (filp, cmd, arg);
 	else
-		ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
+		ret = drm_ioctl(filp, cmd, arg);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c
index 97ee566..ddfe161 100644
--- a/drivers/gpu/drm/mga/mga_drv.c
+++ b/drivers/gpu/drm/mga/mga_drv.c
@@ -68,7 +68,7 @@ static struct drm_driver driver = {
 		.owner = THIS_MODULE,
 		.open = drm_open,
 		.release = drm_release,
-		.ioctl = drm_ioctl,
+		.unlocked_ioctl = drm_ioctl,
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c
index 30d0047..c1f877b 100644
--- a/drivers/gpu/drm/mga/mga_ioc32.c
+++ b/drivers/gpu/drm/mga/mga_ioc32.c
@@ -100,8 +100,7 @@ static int compat_mga_init(struct file *file, unsigned int cmd,
 	if (err)
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_MGA_INIT, (unsigned long)init);
+	return drm_ioctl(file, DRM_IOCTL_MGA_INIT, (unsigned long)init);
 }
 
 typedef struct drm_mga_getparam32 {
@@ -125,8 +124,7 @@ static int compat_mga_getparam(struct file *file, unsigned int cmd,
 			  &getparam->value))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_MGA_GETPARAM, (unsigned long)getparam);
+	return drm_ioctl(file, DRM_IOCTL_MGA_GETPARAM, (unsigned long)getparam);
 }
 
 typedef struct drm_mga_drm_bootstrap32 {
@@ -166,8 +164,7 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd,
 	    || __put_user(dma_bootstrap32.agp_size, &dma_bootstrap->agp_size))
 		return -EFAULT;
 
-	err = drm_ioctl(file->f_path.dentry->d_inode, file,
-			DRM_IOCTL_MGA_DMA_BOOTSTRAP,
+	err = drm_ioctl(file, DRM_IOCTL_MGA_DMA_BOOTSTRAP,
 			(unsigned long)dma_bootstrap);
 	if (err)
 		return err;
@@ -220,12 +217,10 @@ long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(mga_compat_ioctls))
 		fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE];
 
-	lock_kernel();		/* XXX for now */
 	if (fn != NULL)
 		ret = (*fn) (filp, cmd, arg);
 	else
-		ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
+		ret = drm_ioctl(filp, cmd, arg);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 35249c3..3f943c0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -341,7 +341,7 @@ static struct drm_driver driver = {
 		.owner = THIS_MODULE,
 		.open = drm_open,
 		.release = drm_release,
-		.ioctl = drm_ioctl,
+		.unlocked_ioctl = drm_ioctl,
 		.mmap = nouveau_ttm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
diff --git a/drivers/gpu/drm/nouveau/nouveau_ioc32.c b/drivers/gpu/drm/nouveau/nouveau_ioc32.c
index a2c30f4..475ba81 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ioc32.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ioc32.c
@@ -61,12 +61,10 @@ long nouveau_compat_ioctl(struct file *filp, unsigned int cmd,
 	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(mga_compat_ioctls))
 		fn = nouveau_compat_ioctls[nr - DRM_COMMAND_BASE];
 #endif
-	lock_kernel();	  /* XXX for now */
 	if (fn != NULL)
 		ret = (*fn)(filp, cmd, arg);
 	else
-		ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
+		ret = drm_ioctl(filp, cmd, arg);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c
index 601f4c0..b806fdc 100644
--- a/drivers/gpu/drm/r128/r128_drv.c
+++ b/drivers/gpu/drm/r128/r128_drv.c
@@ -64,7 +64,7 @@ static struct drm_driver driver = {
 		.owner = THIS_MODULE,
 		.open = drm_open,
 		.release = drm_release,
-		.ioctl = drm_ioctl,
+		.unlocked_ioctl = drm_ioctl,
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c
index d3cb676..51c99fc 100644
--- a/drivers/gpu/drm/r128/r128_ioc32.c
+++ b/drivers/gpu/drm/r128/r128_ioc32.c
@@ -95,8 +95,7 @@ static int compat_r128_init(struct file *file, unsigned int cmd,
 			  &init->agp_textures_offset))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_R128_INIT, (unsigned long)init);
+	return drm_ioctl(file, DRM_IOCTL_R128_INIT, (unsigned long)init);
 }
 
 typedef struct drm_r128_depth32 {
@@ -129,8 +128,7 @@ static int compat_r128_depth(struct file *file, unsigned int cmd,
 			  &depth->mask))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_R128_DEPTH, (unsigned long)depth);
+	return drm_ioctl(file, DRM_IOCTL_R128_DEPTH, (unsigned long)depth);
 
 }
 
@@ -153,8 +151,7 @@ static int compat_r128_stipple(struct file *file, unsigned int cmd,
 			  &stipple->mask))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_R128_STIPPLE, (unsigned long)stipple);
+	return drm_ioctl(file, DRM_IOCTL_R128_STIPPLE, (unsigned long)stipple);
 }
 
 typedef struct drm_r128_getparam32 {
@@ -178,8 +175,7 @@ static int compat_r128_getparam(struct file *file, unsigned int cmd,
 			  &getparam->value))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam);
+	return drm_ioctl(file, DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam);
 }
 
 drm_ioctl_compat_t *r128_compat_ioctls[] = {
@@ -210,12 +206,10 @@ long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(r128_compat_ioctls))
 		fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE];
 
-	lock_kernel();		/* XXX for now */
 	if (fn != NULL)
 		ret = (*fn) (filp, cmd, arg);
 	else
-		ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
+		ret = drm_ioctl(filp, cmd, arg);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index dbd56ef..8ba3de7 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -196,7 +196,7 @@ static struct drm_driver driver_old = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = drm_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
@@ -284,7 +284,7 @@ static struct drm_driver kms_driver = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = radeon_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
diff --git a/drivers/gpu/drm/radeon/radeon_ioc32.c b/drivers/gpu/drm/radeon/radeon_ioc32.c
index a1bf11d..48b7cea 100644
--- a/drivers/gpu/drm/radeon/radeon_ioc32.c
+++ b/drivers/gpu/drm/radeon/radeon_ioc32.c
@@ -92,8 +92,7 @@ static int compat_radeon_cp_init(struct file *file, unsigned int cmd,
 			  &init->gart_textures_offset))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_CP_INIT, (unsigned long)init);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_CP_INIT, (unsigned long)init);
 }
 
 typedef struct drm_radeon_clear32 {
@@ -125,8 +124,7 @@ static int compat_radeon_cp_clear(struct file *file, unsigned int cmd,
 			  &clr->depth_boxes))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_CLEAR, (unsigned long)clr);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_CLEAR, (unsigned long)clr);
 }
 
 typedef struct drm_radeon_stipple32 {
@@ -149,8 +147,7 @@ static int compat_radeon_cp_stipple(struct file *file, unsigned int cmd,
 			  &request->mask))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_STIPPLE, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_STIPPLE, (unsigned long)request);
 }
 
 typedef struct drm_radeon_tex_image32 {
@@ -204,8 +201,7 @@ static int compat_radeon_cp_texture(struct file *file, unsigned int cmd,
 			  &image->data))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_TEXTURE, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_TEXTURE, (unsigned long)request);
 }
 
 typedef struct drm_radeon_vertex2_32 {
@@ -238,8 +234,7 @@ static int compat_radeon_cp_vertex2(struct file *file, unsigned int cmd,
 			  &request->prim))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_VERTEX2, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_VERTEX2, (unsigned long)request);
 }
 
 typedef struct drm_radeon_cmd_buffer32 {
@@ -268,8 +263,7 @@ static int compat_radeon_cp_cmdbuf(struct file *file, unsigned int cmd,
 			  &request->boxes))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_CMDBUF, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_CMDBUF, (unsigned long)request);
 }
 
 typedef struct drm_radeon_getparam32 {
@@ -293,8 +287,7 @@ static int compat_radeon_cp_getparam(struct file *file, unsigned int cmd,
 			  &request->value))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_GETPARAM, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_GETPARAM, (unsigned long)request);
 }
 
 typedef struct drm_radeon_mem_alloc32 {
@@ -322,8 +315,7 @@ static int compat_radeon_mem_alloc(struct file *file, unsigned int cmd,
 			  &request->region_offset))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_ALLOC, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_ALLOC, (unsigned long)request);
 }
 
 typedef struct drm_radeon_irq_emit32 {
@@ -345,8 +337,7 @@ static int compat_radeon_irq_emit(struct file *file, unsigned int cmd,
 			  &request->irq_seq))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_path.dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long)request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long)request);
 }
 
 /* The two 64-bit arches where alignof(u64)==4 in 32-bit code */
@@ -372,8 +363,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd,
 			  &request->value))
 		return -EFAULT;
 
-	return drm_ioctl(file->f_dentry->d_inode, file,
-			 DRM_IOCTL_RADEON_SETPARAM, (unsigned long) request);
+	return drm_ioctl(file, DRM_IOCTL_RADEON_SETPARAM, (unsigned long) request);
 }
 #else
 #define compat_radeon_cp_setparam NULL
@@ -413,12 +403,10 @@ long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(radeon_compat_ioctls))
 		fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE];
 
-	lock_kernel();		/* XXX for now */
 	if (fn != NULL)
 		ret = (*fn) (filp, cmd, arg);
 	else
-		ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
+		ret = drm_ioctl(filp, cmd, arg);
 
 	return ret;
 }
@@ -431,9 +419,7 @@ long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long
 	if (nr < DRM_COMMAND_BASE)
 		return drm_compat_ioctl(filp, cmd, arg);
 
-	lock_kernel();		/* XXX for now */
-	ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
+	ret = drm_ioctl(filp, cmd, arg);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c
index eee52aa..021de44 100644
--- a/drivers/gpu/drm/savage/savage_drv.c
+++ b/drivers/gpu/drm/savage/savage_drv.c
@@ -50,7 +50,7 @@ static struct drm_driver driver = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = drm_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c
index e725cc0..4fd1f06 100644
--- a/drivers/gpu/drm/sis/sis_drv.c
+++ b/drivers/gpu/drm/sis/sis_drv.c
@@ -80,7 +80,7 @@ static struct drm_driver driver = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = drm_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
diff --git a/drivers/gpu/drm/tdfx/tdfx_drv.c b/drivers/gpu/drm/tdfx/tdfx_drv.c
index 012ff2e..ec5a43e 100644
--- a/drivers/gpu/drm/tdfx/tdfx_drv.c
+++ b/drivers/gpu/drm/tdfx/tdfx_drv.c
@@ -48,7 +48,7 @@ static struct drm_driver driver = {
 		 .owner = THIS_MODULE,
 		 .open = drm_open,
 		 .release = drm_release,
-		 .ioctl = drm_ioctl,
+		 .unlocked_ioctl = drm_ioctl,
 		 .mmap = drm_mmap,
 		 .poll = drm_poll,
 		 .fasync = drm_fasync,
diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c
index bc2f518..7a1b210 100644
--- a/drivers/gpu/drm/via/via_drv.c
+++ b/drivers/gpu/drm/via/via_drv.c
@@ -58,7 +58,7 @@ static struct drm_driver driver = {
 		.owner = THIS_MODULE,
 		.open = drm_open,
 		.release = drm_release,
-		.ioctl = drm_ioctl,
+		.unlocked_ioctl = drm_ioctl,
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,