Re: [PATCH 14/24] drm/nouveau: Merge pre/postclose hooks

[Sean Paul <seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>]

On Wed, Mar 08, 2017 at 03:12:47PM +0100, Daniel Vetter wrote:
> Again no apparent explanation for the split except hysterical raisins.
> Merging them also makes it a bit more obviuos what's going on wrt the
> runtime pm refdancing.

Yeah, holding the pm reference from preclose to postclose had me a little
nervous. However, it seems like the reference is just needed for
nouveau_abi16_fini() and nouveau_cli_fini(), as opposed to being needed while
drm_release() is active.

Reviewed-by: Sean Paul <seanpaul@chromium.org>

> 
> Cc: Ben Skeggs <bskeggs@redhat.com>
> Cc: nouveau@lists.freedesktop.org
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> ---
>  drivers/gpu/drm/nouveau/nouveau_drm.c | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
> index f0bb7606eb8b..0e26be017de7 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_drm.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
> @@ -881,7 +881,7 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
>  }
>  
>  static void
> -nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
> +nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
>  {
>  	struct nouveau_cli *cli = nouveau_cli(fpriv);
>  	struct nouveau_drm *drm = nouveau_drm(dev);
> @@ -897,12 +897,6 @@ nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
>  	list_del(&cli->head);
>  	mutex_unlock(&drm->client.mutex);
>  
> -}
> -
> -static void
> -nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
> -{
> -	struct nouveau_cli *cli = nouveau_cli(fpriv);
>  	nouveau_cli_fini(cli);
>  	kfree(cli);
>  	pm_runtime_mark_last_busy(dev->dev);
> @@ -974,7 +968,6 @@ driver_stub = {
>  	.load = nouveau_drm_load,
>  	.unload = nouveau_drm_unload,
>  	.open = nouveau_drm_open,
> -	.preclose = nouveau_drm_preclose,
>  	.postclose = nouveau_drm_postclose,
>  	.lastclose = nouveau_vga_lastclose,
>  
> -- 
> 2.11.0
> 
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