commit a2c0a97b784f837300f7b0869c82ab712c600952
author Jesse Barnes <jbarnes@virtuousgeek.org> Wed Nov 05 10:31:53 2008 -0800
committer Dave Airlie <airlied@linux.ie> Mon Dec 29 17:47:22 2008 +1000
tree aca1cdf3d32e1cfa7387350483f6a70c74a24ffd
parent a9587470f753d670d910293ecbf1c7b66c99de50

drm: GEM mmap support

Add core support for mapping of GEM objects.  Drivers should provide a
vm_operations_struct if they want to support page faulting of objects.
The code for handling GEM object offsets was taken from TTM, which was
written by Thomas Hellström.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_drv.c

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 9f04ca3..98a7813 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -209,6 +209,7 @@
 	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
 		drm_dma_takedown(dev);
 
+	dev->dev_mapping = NULL;
 	mutex_unlock(&dev->struct_mutex);
 
 	DRM_DEBUG("lastclose completed\n");
@@ -273,6 +274,8 @@
  */
 static void drm_cleanup(struct drm_device * dev)
 {
+	struct drm_driver *driver = dev->driver;
+
 	DRM_DEBUG("\n");
 
 	if (!dev) {
@@ -304,6 +307,9 @@
 	drm_ht_remove(&dev->map_hash);
 	drm_ctxbitmap_cleanup(dev);
 
+	if (driver->driver_features & DRIVER_GEM)
+		drm_gem_destroy(dev);
+
 	drm_put_minor(&dev->primary);
 	if (drm_put_dev(dev))
 		DRM_ERROR("Cannot unload module\n");