Re: [PATCH 10/44] drm/vboxvideo: Use devm_gen_pool_create

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On Fri, Apr 03, 2020 at 03:57:54PM +0200, Daniel Vetter wrote:
> Aside from deleting all the cleanup code we're now also setting a name
> for the pool
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>

Nice cleanup.
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/vboxvideo/vbox_main.c | 22 ++++++++--------------
>  1 file changed, 8 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vboxvideo/vbox_main.c b/drivers/gpu/drm/vboxvideo/vbox_main.c
> index 1336ab9795fc..d68d9bad7674 100644
> --- a/drivers/gpu/drm/vboxvideo/vbox_main.c
> +++ b/drivers/gpu/drm/vboxvideo/vbox_main.c
> @@ -121,7 +121,8 @@ int vbox_hw_init(struct vbox_private *vbox)
>  		return -ENOMEM;
>  
>  	/* Create guest-heap mem-pool use 2^4 = 16 byte chunks */
> -	vbox->guest_pool = gen_pool_create(4, -1);
> +	vbox->guest_pool = devm_gen_pool_create(vbox->ddev.dev, 4, -1,
> +						"vboxvideo-accel");
>  	if (!vbox->guest_pool)
>  		return -ENOMEM;
>  
> @@ -130,12 +131,12 @@ int vbox_hw_init(struct vbox_private *vbox)
>  				GUEST_HEAP_OFFSET(vbox),
>  				GUEST_HEAP_USABLE_SIZE, -1);
>  	if (ret)
> -		goto err_destroy_guest_pool;
> +		return ret;
>  
>  	ret = hgsmi_test_query_conf(vbox->guest_pool);
>  	if (ret) {
>  		DRM_ERROR("vboxvideo: hgsmi_test_query_conf failed\n");
> -		goto err_destroy_guest_pool;
> +		return ret;
>  	}
>  
>  	/* Reduce available VRAM size to reflect the guest heap. */
> @@ -147,30 +148,23 @@ int vbox_hw_init(struct vbox_private *vbox)
>  
>  	if (!have_hgsmi_mode_hints(vbox)) {
>  		ret = -ENOTSUPP;
> -		goto err_destroy_guest_pool;
> +		return ret;
>  	}
>  
>  	vbox->last_mode_hints = devm_kcalloc(vbox->ddev.dev, vbox->num_crtcs,
>  					     sizeof(struct vbva_modehint),
>  					     GFP_KERNEL);
> -	if (!vbox->last_mode_hints) {
> -		ret = -ENOMEM;
> -		goto err_destroy_guest_pool;
> -	}
> +	if (!vbox->last_mode_hints)
> +		return -ENOMEM;
>  
>  	ret = vbox_accel_init(vbox);
>  	if (ret)
> -		goto err_destroy_guest_pool;
> +		return ret;
>  
>  	return 0;
> -
> -err_destroy_guest_pool:
> -	gen_pool_destroy(vbox->guest_pool);
> -	return ret;
>  }
>  
>  void vbox_hw_fini(struct vbox_private *vbox)
>  {
>  	vbox_accel_fini(vbox);
> -	gen_pool_destroy(vbox->guest_pool);
>  }
> -- 
> 2.25.1
> 
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> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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