linux-kernel - Re: [PATCH v3 06/28] drm/cirrus: switch to drm_*_get(), drm_*

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Date:   Fri, 11 Aug 2017 12:02:12 -0400
From:   Sean Paul <seanpaul@...omium.org>
To:     Cihangir Akturk <cakturk@...il.com>
Cc:     daniel@...ll.ch, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...hat.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Alex Deucher <alexander.deucher@....com>,
        Sean Paul <seanpaul@...omium.org>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>, Peter Rosin <peda@...ntia.se>,
        Gabriel Krisman Bertazi <krisman@...labora.co.uk>,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v3 06/28] drm/cirrus: switch to drm_*_get(), drm_*_put()
 helpers

On Fri, Aug 11, 2017 at 03:32:52PM +0300, Cihangir Akturk wrote:
> Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference()
> and drm_*_unreference() helpers.
> 
> drm_*_reference() and drm_*_unreference() functions are just
> compatibility alias for drm_*_get() and drm_*_put() and should not be
> used by new code. So convert all users of compatibility functions to
> use the new APIs.
> 
> Generated by: scripts/coccinelle/api/drm-get-put.cocci
> 
> Signed-off-by: Cihangir Akturk <cakturk@...il.com>

Applied to drm-misc-next, thank you!

Sean

> ---
>  drivers/gpu/drm/cirrus/cirrus_fbdev.c |  2 +-
>  drivers/gpu/drm/cirrus/cirrus_main.c  | 10 +++++-----
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> index 0f6815f..32fbfba 100644
> --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
> @@ -251,7 +251,7 @@ static int cirrus_fbdev_destroy(struct drm_device *dev,
>  	drm_fb_helper_unregister_fbi(&gfbdev->helper);
>  
>  	if (gfb->obj) {
> -		drm_gem_object_unreference_unlocked(gfb->obj);
> +		drm_gem_object_put_unlocked(gfb->obj);
>  		gfb->obj = NULL;
>  	}
>  
> diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c
> index e7fc95f..b5f5285 100644
> --- a/drivers/gpu/drm/cirrus/cirrus_main.c
> +++ b/drivers/gpu/drm/cirrus/cirrus_main.c
> @@ -18,7 +18,7 @@ static void cirrus_user_framebuffer_destroy(struct drm_framebuffer *fb)
>  {
>  	struct cirrus_framebuffer *cirrus_fb = to_cirrus_framebuffer(fb);
>  
> -	drm_gem_object_unreference_unlocked(cirrus_fb->obj);
> +	drm_gem_object_put_unlocked(cirrus_fb->obj);
>  	drm_framebuffer_cleanup(fb);
>  	kfree(fb);
>  }
> @@ -67,13 +67,13 @@ cirrus_user_framebuffer_create(struct drm_device *dev,
>  
>  	cirrus_fb = kzalloc(sizeof(*cirrus_fb), GFP_KERNEL);
>  	if (!cirrus_fb) {
> -		drm_gem_object_unreference_unlocked(obj);
> +		drm_gem_object_put_unlocked(obj);
>  		return ERR_PTR(-ENOMEM);
>  	}
>  
>  	ret = cirrus_framebuffer_init(dev, cirrus_fb, mode_cmd, obj);
>  	if (ret) {
> -		drm_gem_object_unreference_unlocked(obj);
> +		drm_gem_object_put_unlocked(obj);
>  		kfree(cirrus_fb);
>  		return ERR_PTR(ret);
>  	}
> @@ -261,7 +261,7 @@ int cirrus_dumb_create(struct drm_file *file,
>  		return ret;
>  
>  	ret = drm_gem_handle_create(file, gobj, &handle);
> -	drm_gem_object_unreference_unlocked(gobj);
> +	drm_gem_object_put_unlocked(gobj);
>  	if (ret)
>  		return ret;
>  
> @@ -310,7 +310,7 @@ cirrus_dumb_mmap_offset(struct drm_file *file,
>  	bo = gem_to_cirrus_bo(obj);
>  	*offset = cirrus_bo_mmap_offset(bo);
>  
> -	drm_gem_object_unreference_unlocked(obj);
> +	drm_gem_object_put_unlocked(obj);
>  
>  	return 0;
>  }
> -- 
> 2.7.4
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS