[PATCH] drm/doc: Drop misleading comment on drm_mode_config_cleanup

[Mihail Atanassov]

On Tuesday, 22 October 2019 17:37:17 BST Daniel Vetter wrote:
> This is not something we'll fix, because failing to clean up stuff (or
> doing it in the wrong order) is a driver bug. The offending FIXME goes
> all the way back to the original modeset merge.
> 
> We've added a WARN_ON in
> 
> commit 2b677e8c08eed11e4ebe66a7c334f03e389a19a3
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Mon Dec 10 21:16:05 2012 +0100
> 
>     drm: reference framebuffers which are on the idr
> 
> including a comment blaming drivers on this. Right thing to do is most
> likely drm_atomic_helper_shutdown plus making sure that
> drm_mode_config_cleanup is not called too early (i.e. not in driver
> unload, but only in the final drm_device release callback).
> 
> Cc: Mihail Atanassov <Mihail.Atanassov at arm.com>
> Reported-by: Mihail Atanassov <Mihail.Atanassov at arm.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  drivers/gpu/drm/drm_mode_config.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c
> index 7bc03c3c154f..3b570a404933 100644
> --- a/drivers/gpu/drm/drm_mode_config.c
> +++ b/drivers/gpu/drm/drm_mode_config.c
> @@ -428,8 +428,6 @@ EXPORT_SYMBOL(drm_mode_config_init);
>   * Note that since this /should/ happen single-threaded at driver/device
>   * teardown time, no locking is required. It's the driver's job to ensure that
>   * this guarantee actually holds true.
> - *
> - * FIXME: cleanup any dangling user buffer objects too
>   */
>  void drm_mode_config_cleanup(struct drm_device *dev)
>  {
> 

Thanks,

Reviewed-by: Mihail Atanassov <mihail.atanassov at arm.com>

-- 
Mihail