On Fri, Apr 24, 2020 at 04:55:56PM +0200, Sam Ravnborg wrote:
> Hi Daniel.
>
> On Wed, Apr 15, 2020 at 09:39:46AM +0200, Daniel Vetter wrote:
> > Also init the fbdev emulation before we register the device, that way
> > we can rely on the auto-cleanup and simplify the probe error code even
> > more.
> >
> > v2: Rebase on top of Thomas' patches to remove the return value from
> > drm_fbdev_generic_setup()
>
> with the rebase the changelog in confusing as this patch does nothing of
> what is described in the changelog.
> Only the title (that is in convinently not available when replying to
> email) describes what this patch does.
Good point, I fixed that up while applying, thanks for taking a look.
-Daniel
>
> With the changelog properly adjusted:
> Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
>
> >
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
> > Cc: Dave Airlie <airlied@xxxxxxxxxx>
> > Cc: Sean Paul <sean@xxxxxxxxxx>
> > Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> > Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx>
> > Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/udl/udl_drv.c | 26 +++++++-------------------
> > 1 file changed, 7 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
> > index 9cc6d075cb40..523f60e02a85 100644
> > --- a/drivers/gpu/drm/udl/udl_drv.c
> > +++ b/drivers/gpu/drm/udl/udl_drv.c
> > @@ -57,27 +57,20 @@ static struct udl_device *udl_driver_create(struct usb_interface *interface)
> > struct udl_device *udl;
> > int r;
> >
> > - udl = kzalloc(sizeof(*udl), GFP_KERNEL);
> > - if (!udl)
> > - return ERR_PTR(-ENOMEM);
> > -
> > - r = drm_dev_init(&udl->drm, &driver, &interface->dev);
> > - if (r) {
> > - kfree(udl);
> > - return ERR_PTR(r);
> > - }
> > + udl = devm_drm_dev_alloc(&interface->dev, &driver,
> > + struct udl_device, drm);
> > + if (IS_ERR(udl))
> > + return udl;
> >
> > udl->udev = udev;
> > udl->drm.dev_private = udl;
> > - drmm_add_final_kfree(&udl->drm, udl);
> >
> > r = udl_init(udl);
> > - if (r) {
> > - drm_dev_put(&udl->drm);
> > + if (r)
> > return ERR_PTR(r);
> > - }
> >
> > usb_set_intfdata(interface, udl);
> > +
> > return udl;
> > }
> >
> > @@ -93,17 +86,13 @@ static int udl_usb_probe(struct usb_interface *interface,
> >
> > r = drm_dev_register(&udl->drm, 0);
> > if (r)
> > - goto err_free;
> > + return r;
> >
> > DRM_INFO("Initialized udl on minor %d\n", udl->drm.primary->index);
> >
> > drm_fbdev_generic_setup(&udl->drm, 0);
> >
> > return 0;
> > -
> > -err_free:
> > - drm_dev_put(&udl->drm);
> > - return r;
> > }
> >
> > static void udl_usb_disconnect(struct usb_interface *interface)
> > @@ -113,7 +102,6 @@ static void udl_usb_disconnect(struct usb_interface *interface)
> > drm_kms_helper_poll_fini(dev);
> > udl_drop_usb(dev);
> > drm_dev_unplug(dev);
> > - drm_dev_put(dev);
> > }
> >
> > /*
> > --
> > 2.25.1
> >
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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