Only the radeon/r128/ati ums drivers use this. Furthermore the cleanup was already only done for UMS drivers. Also a quick check of the ATI ddx git history shows that only the UMS code ever used this facility.
So we can safely disallow these pair of ioctls for modesetting drivers.
Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_scatter.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/drm_scatter.c b/drivers/gpu/drm/drm_scatter.c index dd8a648..1c78406 100644 --- a/drivers/gpu/drm/drm_scatter.c +++ b/drivers/gpu/drm/drm_scatter.c @@ -87,6 +87,9 @@ int drm_sg_alloc(struct drm_device *dev, void *data,
DRM_DEBUG("\n");
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + if (!drm_core_check_feature(dev, DRIVER_SG)) return -EINVAL;
@@ -197,6 +200,9 @@ int drm_sg_free(struct drm_device *dev, void *data, struct drm_scatter_gather *request = data; struct drm_sg_mem *entry;
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + if (!drm_core_check_feature(dev, DRIVER_SG)) return -EINVAL;