v2:
- Replace discouraged with deprecated
- Link to new initialization/teardown functions
Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxx>
---
include/drm/drm_drv.h | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index c4fc49583dc0..9c2d9f0bb043 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -64,12 +64,47 @@ struct drm_mode_create_dumb;
* structure for GEM drivers.
*/
struct drm_driver {
+
+ /**
+ * @load:
+ *
+ * Backward-compatible driver callback to complete
+ * initialization steps after the driver is registered. For
+ * this reason, may suffer from race conditions and its use is
+ * deprecated for new drivers. It is therefore only supported
+ * for existing drivers not yet converted to the new scheme.
+ * See drm_dev_init() and drm_dev_register() for proper and
+ * race-free way to set up a &struct drm_device.
+ *
+ * Returns:
+ *
+ * Zero on success, non-zero value on failure.
+ */
int (*load) (struct drm_device *, unsigned long flags);
int (*firstopen) (struct drm_device *);
int (*open) (struct drm_device *, struct drm_file *);
void (*preclose) (struct drm_device *, struct drm_file *file_priv);
void (*postclose) (struct drm_device *, struct drm_file *);
void (*lastclose) (struct drm_device *);
+
+ /**
+ * @unload:
+ *
+ * Reverse the effects of the driver load callback. Ideally,
+ * the clean up performed by the driver should happen in the
+ * reverse order of the initialization. Similarly to the load
+ * hook, this handler is deprecated and its usage should be
+ * dropped in favor of an open-coded teardown function at the
+ * driver layer. See drm_dev_unregister() and drm_dev_unref()
+ * for the proper way to remove a &struct drm_device.
+ *
+ * The unload() hook is called right after unregistering
+ * the device.
+ *
+ * Returns:
+ *
+ * The return value is ignored.
+ */
int (*unload) (struct drm_device *);
int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
int (*dma_quiescent) (struct drm_device *);
--
2.11.0
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