drm/i915: add support for physical memory objects

This is an initial patch to do support for objects which needs physical
contiguous main ram, cursors and overlay registers on older chipsets.

These objects are bound on cursor bin, like pinning, and we copy
the data to/from the backing store object into the real one on attach/detach.

notes:
possible over the top in attach/detach operations.
no overlay support yet.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 868f574363ad..bbadf1c04142 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1160,6 +1160,8 @@ int i915_driver_unload(struct drm_device *dev)
         if (drm_core_check_feature(dev, DRIVER_MODESET)) {
                 intel_modeset_cleanup(dev);
 
+                i915_gem_free_all_phys_object(dev);
+
                 mutex_lock(&dev->struct_mutex);
                 i915_gem_cleanup_ringbuffer(dev);
                 mutex_unlock(&dev->struct_mutex);