Re: [PATCH] drm: Use the driver's gem_object_free function from CMA helpers.

[Daniel Vetter <daniel@ffwll.ch>]

On Mon, Dec 14, 2015 at 04:26:26PM -0800, Eric Anholt wrote:
> VC4 wraps the CMA objects in its own structures, so it needs to do its
> own teardown (waiting for GPU to finish, updating bo_stats tracking).
> The other CMA drivers are using drm_gem_cma_free_object as their
> gem_free_object, so this should be a no-op for them.
> 
> Signed-off-by: Eric Anholt <eric@anholt.net>

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Since vc4 landed already I'll pull this into drm-misc.
-Daniel

> ---
>  drivers/gpu/drm/drm_fb_cma_helper.c  | 6 +++---
>  drivers/gpu/drm/drm_gem_cma_helper.c | 4 ++--
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
> index 5c1aca4..99b5673 100644
> --- a/drivers/gpu/drm/drm_fb_cma_helper.c
> +++ b/drivers/gpu/drm/drm_fb_cma_helper.c
> @@ -279,7 +279,7 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper,
>  	if (!fbi) {
>  		dev_err(dev->dev, "Failed to allocate framebuffer info.\n");
>  		ret = -ENOMEM;
> -		goto err_drm_gem_cma_free_object;
> +		goto err_gem_free_object;
>  	}
>  
>  	fbdev_cma->fb = drm_fb_cma_alloc(dev, &mode_cmd, &obj, 1);
> @@ -322,8 +322,8 @@ err_drm_fb_cma_destroy:
>  	drm_fb_cma_destroy(fb);
>  err_framebuffer_release:
>  	framebuffer_release(fbi);
> -err_drm_gem_cma_free_object:
> -	drm_gem_cma_free_object(&obj->base);
> +err_gem_free_object:
> +	dev->driver->gem_free_object(&obj->base);
>  	return ret;
>  }
>  
> diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
> index 7dcb43f..b409123 100644
> --- a/drivers/gpu/drm/drm_gem_cma_helper.c
> +++ b/drivers/gpu/drm/drm_gem_cma_helper.c
> @@ -121,7 +121,7 @@ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
>  	return cma_obj;
>  
>  error:
> -	drm_gem_cma_free_object(&cma_obj->base);
> +	drm->driver->gem_free_object(&cma_obj->base);
>  	return ERR_PTR(ret);
>  }
>  EXPORT_SYMBOL_GPL(drm_gem_cma_create);
> @@ -171,7 +171,7 @@ drm_gem_cma_create_with_handle(struct drm_file *file_priv,
>  	return cma_obj;
>  
>  err_handle_create:
> -	drm_gem_cma_free_object(gem_obj);
> +	drm->driver->gem_free_object(gem_obj);
>  
>  	return ERR_PTR(ret);
>  }
> -- 
> 2.6.2
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch