On Thu, Jun 20, 2019 at 01:28:55PM +0200, Daniel Vetter wrote:
> On Wed, Jun 19, 2019 at 02:19:47PM -0400, Sean Paul wrote:
> > From: Sean Paul <[email protected]>
> >
> > If state allocation fails, we still try to give back the reference on
> > it. Also initialize ret in case the crtc is not enabled and we hit the
> > eject button.
> >
> > Fixes: 1452c25b0e60 ("drm: Add helpers to kick off self refresh mode in
> > drivers")
> > Cc: Daniel Vetter <[email protected]>
> > Cc: Jose Souza <[email protected]>
> > Cc: Zain Wang <[email protected]>
> > Cc: Tomasz Figa <[email protected]>
> > Cc: Ville Syrjälä <[email protected]>
> > Cc: Sam Ravnborg <[email protected]>
> > Cc: Sean Paul <[email protected]>
> > Cc: Maarten Lankhorst <[email protected]>
> > Cc: Maxime Ripard <[email protected]>
> > Cc: Sean Paul <[email protected]>
> > Cc: David Airlie <[email protected]>
> > Cc: [email protected]
> > Reported-by: Dan Carpenter <[email protected]>
> > Signed-off-by: Sean Paul <[email protected]>
>
> Reviewed-by: Daniel Vetter <[email protected]>
>
Applied to -misc-next, thanks!
Sean
> > ---
> > drivers/gpu/drm/drm_self_refresh_helper.c | 6 ++++--
> > 1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_self_refresh_helper.c
> > b/drivers/gpu/drm/drm_self_refresh_helper.c
> > index e0d2ad1f070cb..4b9424a8f1f1c 100644
> > --- a/drivers/gpu/drm/drm_self_refresh_helper.c
> > +++ b/drivers/gpu/drm/drm_self_refresh_helper.c
> > @@ -69,14 +69,14 @@ static void drm_self_refresh_helper_entry_work(struct
> > work_struct *work)
> > struct drm_connector *conn;
> > struct drm_connector_state *conn_state;
> > struct drm_crtc_state *crtc_state;
> > - int i, ret;
> > + int i, ret = 0;
> >
> > drm_modeset_acquire_init(&ctx, 0);
> >
> > state = drm_atomic_state_alloc(dev);
> > if (!state) {
> > ret = -ENOMEM;
> > - goto out;
> > + goto out_drop_locks;
> > }
> >
> > retry:
> > @@ -116,6 +116,8 @@ static void drm_self_refresh_helper_entry_work(struct
> > work_struct *work)
> > }
> >
> > drm_atomic_state_put(state);
> > +
> > +out_drop_locks:
> > drm_modeset_drop_locks(&ctx);
> > drm_modeset_acquire_fini(&ctx);
> > }
> > --
> > Sean Paul, Software Engineer, Google / Chromium OS
> >
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
--
Sean Paul, Software Engineer, Google / Chromium OS
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