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authorJesse Barnes <jbarnes@virtuousgeek.org>2008-11-05 10:31:53 -0800
committerDave Airlie <airlied@linux.ie>2008-12-29 17:47:22 +1000
commita2c0a97b784f837300f7b0869c82ab712c600952 (patch)
treeaca1cdf3d32e1cfa7387350483f6a70c74a24ffd /drivers/gpu/drm/drm_drv.c
parenta9587470f753d670d910293ecbf1c7b66c99de50 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
-rw-r--r--drivers/gpu/drm/drm_drv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 9f04ca37df6..98a781375f6 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -209,6 +209,7 @@ int drm_lastclose(struct drm_device * dev)
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 @@ EXPORT_SYMBOL(drm_init);
*/
static void drm_cleanup(struct drm_device * dev)
{
+ struct drm_driver *driver = dev->driver;
+
DRM_DEBUG("\n");
if (!dev) {
@@ -304,6 +307,9 @@ static void drm_cleanup(struct drm_device * dev)
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");