On Tue, Dec 13, 2016 at 04:32:30PM -0500, Sean Paul wrote:
> On Tue, Dec 13, 2016 at 4:30 PM, Laurent Pinchart
> <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> > On Tuesday 13 Dec 2016 22:10:58 Daniel Vetter wrote:
> >> On Tue, Dec 13, 2016 at 09:34:05PM +0200, Laurent Pinchart wrote:
> >> > From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> >> >
> >> > The drm driver .load() operation is prone to race conditions as it
> >> > initializes the driver after registering the device nodes. Its usage is
> >> > deprecated, inline it in the probe function and call drm_dev_alloc() and
> >> > drm_dev_register() explicitly.
> >> >
> >> > For consistency inline the .unload() handler in the remove function as
> >> > well.
> >> >
> >> > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> >> > ---
> >> >
> >> > drivers/gpu/drm/exynos/exynos_dp.c | 1 -
> >> > drivers/gpu/drm/exynos/exynos_drm_dpi.c | 1 -
> >> > drivers/gpu/drm/exynos/exynos_drm_drv.c | 245 ++++++++++++++------------
> >> > drivers/gpu/drm/exynos/exynos_drm_dsi.c | 1 -
> >> > drivers/gpu/drm/exynos/exynos_drm_vidi.c | 1 -
> >> > drivers/gpu/drm/exynos/exynos_hdmi.c | 1 -
> >> > 6 files changed, 127 insertions(+), 123 deletions(-)
> >
> > [snip]
> >
> >> > static void exynos_drm_unbind(struct device *dev)
> >> > {
> >> > - drm_put_dev(dev_get_drvdata(dev));
> >> > + struct drm_device *drm = dev_get_drvdata(dev);
> >> > +
> >> > + drm_dev_unregister(drm);
> >> > +
> >> > + exynos_drm_device_subdrv_remove(drm);
> >> > +
> >> > + exynos_drm_fbdev_fini(drm);
> >> > + drm_kms_helper_poll_fini(drm);
> >>
> >> Unbind order is inverted from the error paths in the probe function, but
> >> meh, preexisting.
> >>
> >> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>o
> >>
> >> ... because I really want to see drm_platform.c gone! Feel free to push to
> >> drm-misc, you haz commit rights after all ;-)
> >
> > Let's try to get the patch tested first :-) Is exynosdrm merged through drm-
> > misc ?
> >
>
> Since 2/2 should go through misc, it makes sense to take the whole
> series through there (instead of lockstepping with exynos tree)
Same for the one omapdrm patch if that's ok. drm-misc is resynced with
drm-next-4.10, so there shouldn't be anything pending and it should all
apply cleanly.
-Daniel
>
> Sean
>
> >> > +
> >> > + component_unbind_all(drm->dev, drm);
> >> > + drm_mode_config_cleanup(drm);
> >> > + drm_release_iommu_mapping(drm);
> >> > +
> >> > + kfree(drm->dev_private);
> >> > + drm->dev_private = NULL;
> >> > +
> >> > + drm_dev_unref(drm);
> >> > }
> >
> > --
> > Regards,
> >
> > Laurent Pinchart
> >
> > _______________________________________________
> > 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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