linux-kernel - Re: [PATCH v3 14/28] drm/mgag200: switch to drm_*_get(), drm_*

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Message-ID: <20170811160302.fguscsz7vhtyw7go@art_vandelay>
Date:   Fri, 11 Aug 2017 12:03:02 -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>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sean Paul <seanpaul@...omium.org>,
        Gabriel Krisman Bertazi <krisman@...labora.co.uk>,
        Peter Rosin <peda@...ntia.se>,
        Wei Yongjun <weiyj.lk@...il.com>,
        Christian König <christian.koenig@....com>,
        Arvind Yadav <arvind.yadav.cs@...il.com>
Subject: Re: [PATCH v3 14/28] drm/mgag200: switch to drm_*_get(), drm_*_put()
 helpers

On Fri, Aug 11, 2017 at 03:33:00PM +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/mgag200/mgag200_cursor.c |  2 +-
>  drivers/gpu/drm/mgag200/mgag200_fb.c     |  4 ++--
>  drivers/gpu/drm/mgag200/mgag200_main.c   | 10 +++++-----
>  3 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c
> index 2ac3fcb..968e203 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_cursor.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_cursor.c
> @@ -248,7 +248,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc,
>  out_unreserve1:
>  	mgag200_bo_unreserve(pixels_2);
>  out_unref:
> -	drm_gem_object_unreference_unlocked(obj);
> +	drm_gem_object_put_unlocked(obj);
>  
>  	return ret;
>  }
> diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
> index 9d914ca..30726c9 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_fb.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
> @@ -232,7 +232,7 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
>  err_alloc_fbi:
>  	vfree(sysram);
>  err_sysram:
> -	drm_gem_object_unreference_unlocked(gobj);
> +	drm_gem_object_put_unlocked(gobj);
>  
>  	return ret;
>  }
> @@ -245,7 +245,7 @@ static int mga_fbdev_destroy(struct drm_device *dev,
>  	drm_fb_helper_unregister_fbi(&mfbdev->helper);
>  
>  	if (mfb->obj) {
> -		drm_gem_object_unreference_unlocked(mfb->obj);
> +		drm_gem_object_put_unlocked(mfb->obj);
>  		mfb->obj = NULL;
>  	}
>  	drm_fb_helper_fini(&mfbdev->helper);
> diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
> index dce8a3e..780f983 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_main.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_main.c
> @@ -18,7 +18,7 @@ static void mga_user_framebuffer_destroy(struct drm_framebuffer *fb)
>  {
>  	struct mga_framebuffer *mga_fb = to_mga_framebuffer(fb);
>  
> -	drm_gem_object_unreference_unlocked(mga_fb->obj);
> +	drm_gem_object_put_unlocked(mga_fb->obj);
>  	drm_framebuffer_cleanup(fb);
>  	kfree(fb);
>  }
> @@ -59,13 +59,13 @@ mgag200_user_framebuffer_create(struct drm_device *dev,
>  
>  	mga_fb = kzalloc(sizeof(*mga_fb), GFP_KERNEL);
>  	if (!mga_fb) {
> -		drm_gem_object_unreference_unlocked(obj);
> +		drm_gem_object_put_unlocked(obj);
>  		return ERR_PTR(-ENOMEM);
>  	}
>  
>  	ret = mgag200_framebuffer_init(dev, mga_fb, mode_cmd, obj);
>  	if (ret) {
> -		drm_gem_object_unreference_unlocked(obj);
> +		drm_gem_object_put_unlocked(obj);
>  		kfree(mga_fb);
>  		return ERR_PTR(ret);
>  	}
> @@ -317,7 +317,7 @@ int mgag200_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;
>  
> @@ -366,6 +366,6 @@ mgag200_dumb_mmap_offset(struct drm_file *file,
>  	bo = gem_to_mga_bo(obj);
>  	*offset = mgag200_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