[PATCH v2] drm: shmobile: Perform initialization/cleanup at probe/remove time
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Tue Dec 13 17:19:15 UTC 2016
Hi Daniel,
On Tuesday 13 Dec 2016 18:11:34 Daniel Vetter wrote:
> On Tue, Dec 13, 2016 at 02:59:48PM +0200, Laurent Pinchart wrote:
> > From: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> >
> > 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 at ideasonboard.com>
> > Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> > ---
> > Changes since v1:
> >
> > - Removed manual the drm_connector_register() that caused sysfs-related
> >
> > warnings
>
> Hm, what did go boom there? We should catch multiple calls to
> drm_connector_register ...
Trying to register the connector before the DRM device is registered makes
sysfs unhappy due to the lack of a parent.
> > drivers/gpu/drm/shmobile/shmob_drm_crtc.c | 7 +-
> > drivers/gpu/drm/shmobile/shmob_drm_drv.c | 206 +++++++++++-------------
> > 2 files changed, 104 insertions(+), 109 deletions(-)
--
Regards,
Laurent Pinchart
More information about the dri-devel
mailing list