Merge branch 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux into drm-next
radeon userptr support.
* 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: allow userptr write access under certain conditions
drm/radeon: add userptr flag to register MMU notifier v3
drm/radeon: add userptr flag to directly validate the BO to GTT
drm/radeon: add userptr flag to limit it to anonymous memory v2
drm/radeon: add userptr support v8
Conflicts:
drivers/gpu/drm/radeon/radeon_prime.c
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index 0b16f2c..d5414d4 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -111,3 +111,13 @@
return bo->tbo.resv;
}
+
+struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
+ struct drm_gem_object *gobj,
+ int flags)
+{
+ struct radeon_bo *bo = gem_to_radeon_bo(gobj);
+ if (radeon_ttm_tt_has_userptr(bo->tbo.ttm))
+ return ERR_PTR(-EPERM);
+ return drm_gem_prime_export(dev, gobj, flags);
+}