Re: [PATCH v3 1/5] drm/rockchip: Add basic drm driver

[Mark yao <mark.yao@xxxxxxxxxxxxxx>]

On 2014年09月19日 21:04, David Herrmann wrote:
> Hi
>
> On Fri, Sep 19, 2014 at 7:47 AM, Mark yao <mark.yao@xxxxxxxxxxxxxx> wrote:
> [snip]
> > +static int rockchip_drm_bind(struct device *dev)
> > +{
> > +       return drm_platform_init(&rockchip_drm_driver, to_platform_device(dev));
> Please avoid drm_platform_*() usage. We're about to drop all the
> drm_bus midlayers. See the tegra driver how to do it, but basically
> just this:
OK, I will do it.
> struct drm_device *ddev;
>
> ddev = drm_dev_alloc(&rockchip_drm_driver, &to_platform_device(dev)->dev);
> if (!ddev)
>          return -ENOMEM;
>
> r = drm_dev_set_unique(ddev, dev_name(&ddev->dev));
> if (r < 0) {
>          drm_dev_unref(ddev);
>          return r;
> }
>
> r = drm_dev_register(ddev);
> if (r < 0) {
>          drm_dev_unref(ddev);
>          return r;
> }
>
> > +}
> > +
> > +static void rockchip_drm_unbind(struct device *dev)
> > +{
> > +       drm_put_dev(dev_get_drvdata(dev));
> Please use:
>
> struct drm_device *ddev = dev_get_drvdata(dev);
>
> drm_dev_unregister(ddev);
> drm_dev_unref(ddev);
>
>
> Thanks
> David


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