linux-kernel - Re: [PATCH v3 04/28] drm/ast: switch to drm_*_get(), drm_*

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Date:   Fri, 11 Aug 2017 12:02:03 -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>, Sean Paul <seanpaul@...omium.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Gabriel Krisman Bertazi <krisman@...labora.co.uk>,
        Peter Rosin <peda@...ntia.se>,
        Andrew Donnellan <andrew.donnellan@....ibm.com>,
        Joel Stanley <joel@....id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        "Y.C. Chen" <yc_chen@...eedtech.com>,
        Russell Currey <ruscur@...sell.cc>
Subject: Re: [PATCH v3 04/28] drm/ast: switch to drm_*_get(), drm_*_put()
 helpers

On Fri, Aug 11, 2017 at 03:32:50PM +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>
> Acked-by: Joel Stanley <joel@....id.au>

Applied to drm-misc-next, thank you!

Sean

> ---
>  drivers/gpu/drm/ast/ast_fb.c   |  2 +-
>  drivers/gpu/drm/ast/ast_main.c | 10 +++++-----
>  drivers/gpu/drm/ast/ast_mode.c |  6 +++---
>  3 files changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
> index 9052ebe..0cd827e 100644
> --- a/drivers/gpu/drm/ast/ast_fb.c
> +++ b/drivers/gpu/drm/ast/ast_fb.c
> @@ -266,7 +266,7 @@ static void ast_fbdev_destroy(struct drm_device *dev,
>  	drm_fb_helper_unregister_fbi(&afbdev->helper);
>  
>  	if (afb->obj) {
> -		drm_gem_object_unreference_unlocked(afb->obj);
> +		drm_gem_object_put_unlocked(afb->obj);
>  		afb->obj = NULL;
>  	}
>  	drm_fb_helper_fini(&afbdev->helper);
> diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
> index 262c2c0..cb05e8e 100644
> --- a/drivers/gpu/drm/ast/ast_main.c
> +++ b/drivers/gpu/drm/ast/ast_main.c
> @@ -387,7 +387,7 @@ static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb)
>  {
>  	struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb);
>  
> -	drm_gem_object_unreference_unlocked(ast_fb->obj);
> +	drm_gem_object_put_unlocked(ast_fb->obj);
>  	drm_framebuffer_cleanup(fb);
>  	kfree(fb);
>  }
> @@ -429,13 +429,13 @@ ast_user_framebuffer_create(struct drm_device *dev,
>  
>  	ast_fb = kzalloc(sizeof(*ast_fb), GFP_KERNEL);
>  	if (!ast_fb) {
> -		drm_gem_object_unreference_unlocked(obj);
> +		drm_gem_object_put_unlocked(obj);
>  		return ERR_PTR(-ENOMEM);
>  	}
>  
>  	ret = ast_framebuffer_init(dev, ast_fb, mode_cmd, obj);
>  	if (ret) {
> -		drm_gem_object_unreference_unlocked(obj);
> +		drm_gem_object_put_unlocked(obj);
>  		kfree(ast_fb);
>  		return ERR_PTR(ret);
>  	}
> @@ -627,7 +627,7 @@ int ast_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;
>  
> @@ -675,7 +675,7 @@ ast_dumb_mmap_offset(struct drm_file *file,
>  	bo = gem_to_ast_bo(obj);
>  	*offset = ast_bo_mmap_offset(bo);
>  
> -	drm_gem_object_unreference_unlocked(obj);
> +	drm_gem_object_put_unlocked(obj);
>  
>  	return 0;
>  
> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
> index 724c16b..fea790b 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -934,7 +934,7 @@ static void ast_cursor_fini(struct drm_device *dev)
>  {
>  	struct ast_private *ast = dev->dev_private;
>  	ttm_bo_kunmap(&ast->cache_kmap);
> -	drm_gem_object_unreference_unlocked(ast->cursor_cache);
> +	drm_gem_object_put_unlocked(ast->cursor_cache);
>  }
>  
>  int ast_mode_init(struct drm_device *dev)
> @@ -1199,10 +1199,10 @@ static int ast_cursor_set(struct drm_crtc *crtc,
>  
>  	ast_show_cursor(crtc);
>  
> -	drm_gem_object_unreference_unlocked(obj);
> +	drm_gem_object_put_unlocked(obj);
>  	return 0;
>  fail:
> -	drm_gem_object_unreference_unlocked(obj);
> +	drm_gem_object_put_unlocked(obj);
>  	return ret;
>  }
>  
> -- 
> 2.7.4
> 

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