提交 8d38c4b4 编写于 作者: D Daniel Vetter 提交者: Dave Airlie

drm: disallow legacy dma ioctls for modesetting drivers

Now only legacy ums drivers have the DRIVER_HAVE_DMA driver feature
flag set, so strictly speaking the modesetting check is redundant. But
adding it has the upside that it makes it very clear that the dma
support is legacy stuff.
Reviewed-by: NEric Anholt <eric@anholt.net>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: NDave Airlie <airlied@redhat.com>
上级 e2e99a82
无相关合并请求
......@@ -1305,6 +1305,9 @@ int drm_addbufs(struct drm_device *dev, void *data,
struct drm_buf_desc *request = data;
int ret;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
......@@ -1348,6 +1351,9 @@ int drm_infobufs(struct drm_device *dev, void *data,
int i;
int count;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
......@@ -1427,6 +1433,9 @@ int drm_markbufs(struct drm_device *dev, void *data,
int order;
struct drm_buf_entry *entry;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
......@@ -1472,6 +1481,9 @@ int drm_freebufs(struct drm_device *dev, void *data,
int idx;
struct drm_buf *buf;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
......@@ -1524,6 +1536,9 @@ int drm_mapbufs(struct drm_device *dev, void *data,
struct drm_buf_map *request = data;
int i;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
......
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