On Wed, Dec 28, 2016 at 12:32:15PM -0200, Gabriel Krisman Bertazi wrote:
> Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxx>
> ---
> include/drm/drm_drv.h | 30 ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
> index c4fc49583dc0..0c8e4e979870 100644
> --- a/include/drm/drm_drv.h
> +++ b/include/drm/drm_drv.h
> @@ -64,12 +64,42 @@ 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
> + * dicouraged for new drivers. It is therefore only supported
s/discouraged/deprecated/ ... need some stronger wording here.
> + * for existing drivers not yet converted to the new scheme.
I think a link to the new scheme would be good, maybe:
"See drm_dev_init() and drm_dev_register() for proper and race-free way to
set up a &drm_device."
Unload is also deprecated, so similar comments apply for that.
-Daniel
> + *
> + * 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.
> + *
> + * The unload() hook is called immediately 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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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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