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Message-ID: <CA+M3ks5=7N=sB2K6oqMGAUoi8DaCoRW1SEOs3_JHOj13qRV1oQ@mail.gmail.com>
Date: Thu, 3 Oct 2019 11:52:34 +0200
From: Benjamin Gaignard <benjamin.gaignard@...aro.org>
To: Benjamin Gaignard <benjamin.gaignard@...com>
Cc: David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
ML dri-devel <dri-devel@...ts.freedesktop.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm: atomic helper: fix W=1 warnings
Le lun. 16 sept. 2019 à 15:19, Benjamin Gaignard
<benjamin.gaignard@...aro.org> a écrit :
>
> Le lun. 9 sept. 2019 à 16:41, Benjamin Gaignard
> <benjamin.gaignard@...com> a écrit :
> >
> > Fix warnings with W=1.
> > Few for_each macro set variables that are never used later.
> > Prevent warning by marking these variables as __maybe_unused.
> >
>
Gentle Ping
benjamin
> A little up on this one because it may exist others ways to fix these warnings.
> Get feedback on this path could give the direction for similar ones in drm.
>
> Thanks,
> Benjamin
>
> > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> > ---
> > drivers/gpu/drm/drm_atomic_helper.c | 36 ++++++++++++++++++------------------
> > 1 file changed, 18 insertions(+), 18 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
> > index aa16ea17ff9b..b69d17b0b9bd 100644
> > --- a/drivers/gpu/drm/drm_atomic_helper.c
> > +++ b/drivers/gpu/drm/drm_atomic_helper.c
> > @@ -262,7 +262,7 @@ steal_encoder(struct drm_atomic_state *state,
> > struct drm_encoder *encoder)
> > {
> > struct drm_crtc_state *crtc_state;
> > - struct drm_connector *connector;
> > + struct drm_connector __maybe_unused *connector;
> > struct drm_connector_state *old_connector_state, *new_connector_state;
> > int i;
> >
> > @@ -412,7 +412,7 @@ mode_fixup(struct drm_atomic_state *state)
> > {
> > struct drm_crtc *crtc;
> > struct drm_crtc_state *new_crtc_state;
> > - struct drm_connector *connector;
> > + struct drm_connector __maybe_unused *connector;
> > struct drm_connector_state *new_conn_state;
> > int i;
> > int ret;
> > @@ -608,7 +608,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
> > {
> > struct drm_crtc *crtc;
> > struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> > - struct drm_connector *connector;
> > + struct drm_connector __maybe_unused *connector;
> > struct drm_connector_state *old_connector_state, *new_connector_state;
> > int i, ret;
> > unsigned connectors_mask = 0;
> > @@ -984,7 +984,7 @@ crtc_needs_disable(struct drm_crtc_state *old_state,
> > static void
> > disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
> > {
> > - struct drm_connector *connector;
> > + struct drm_connector __maybe_unused *connector;
> > struct drm_connector_state *old_conn_state, *new_conn_state;
> > struct drm_crtc *crtc;
> > struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> > @@ -1173,7 +1173,7 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state)
> > {
> > struct drm_crtc *crtc;
> > struct drm_crtc_state *new_crtc_state;
> > - struct drm_connector *connector;
> > + struct drm_connector __maybe_unused *connector;
> > struct drm_connector_state *new_conn_state;
> > int i;
> >
> > @@ -1294,7 +1294,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
> > struct drm_crtc *crtc;
> > struct drm_crtc_state *old_crtc_state;
> > struct drm_crtc_state *new_crtc_state;
> > - struct drm_connector *connector;
> > + struct drm_connector __maybe_unused *connector;
> > struct drm_connector_state *new_conn_state;
> > int i;
> >
> > @@ -1384,7 +1384,7 @@ int drm_atomic_helper_wait_for_fences(struct drm_device *dev,
> > struct drm_atomic_state *state,
> > bool pre_swap)
> > {
> > - struct drm_plane *plane;
> > + struct drm_plane __maybe_unused *plane;
> > struct drm_plane_state *new_plane_state;
> > int i, ret;
> >
> > @@ -1431,7 +1431,7 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
> > struct drm_atomic_state *old_state)
> > {
> > struct drm_crtc *crtc;
> > - struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> > + struct drm_crtc_state __maybe_unused *old_crtc_state, *new_crtc_state;
> > int i, ret;
> > unsigned crtc_mask = 0;
> >
> > @@ -1621,7 +1621,7 @@ static void commit_work(struct work_struct *work)
> > int drm_atomic_helper_async_check(struct drm_device *dev,
> > struct drm_atomic_state *state)
> > {
> > - struct drm_crtc *crtc;
> > + struct drm_crtc __maybe_unused *crtc;
> > struct drm_crtc_state *crtc_state;
> > struct drm_plane *plane = NULL;
> > struct drm_plane_state *old_plane_state = NULL;
> > @@ -1982,9 +1982,9 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,
> > {
> > struct drm_crtc *crtc;
> > struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> > - struct drm_connector *conn;
> > + struct drm_connector __maybe_unused *conn;
> > struct drm_connector_state *old_conn_state, *new_conn_state;
> > - struct drm_plane *plane;
> > + struct drm_plane __maybe_unused *plane;
> > struct drm_plane_state *old_plane_state, *new_plane_state;
> > struct drm_crtc_commit *commit;
> > int i, ret;
> > @@ -2214,7 +2214,7 @@ EXPORT_SYMBOL(drm_atomic_helper_fake_vblank);
> > */
> > void drm_atomic_helper_commit_hw_done(struct drm_atomic_state *old_state)
> > {
> > - struct drm_crtc *crtc;
> > + struct drm_crtc __maybe_unused *crtc;
> > struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> > struct drm_crtc_commit *commit;
> > int i;
> > @@ -2300,7 +2300,7 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_cleanup_done);
> > int drm_atomic_helper_prepare_planes(struct drm_device *dev,
> > struct drm_atomic_state *state)
> > {
> > - struct drm_connector *connector;
> > + struct drm_connector __maybe_unused *connector;
> > struct drm_connector_state *new_conn_state;
> > struct drm_plane *plane;
> > struct drm_plane_state *new_plane_state;
> > @@ -2953,9 +2953,9 @@ int drm_atomic_helper_disable_all(struct drm_device *dev,
> > {
> > struct drm_atomic_state *state;
> > struct drm_connector_state *conn_state;
> > - struct drm_connector *conn;
> > + struct drm_connector __maybe_unused *conn;
> > struct drm_plane_state *plane_state;
> > - struct drm_plane *plane;
> > + struct drm_plane __maybe_unused *plane;
> > struct drm_crtc_state *crtc_state;
> > struct drm_crtc *crtc;
> > int ret, i;
> > @@ -3199,11 +3199,11 @@ int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state,
> > {
> > int i, ret;
> > struct drm_plane *plane;
> > - struct drm_plane_state *new_plane_state;
> > + struct drm_plane_state __maybe_unused *new_plane_state;
> > struct drm_connector *connector;
> > - struct drm_connector_state *new_conn_state;
> > + struct drm_connector_state __maybe_unused *new_conn_state;
> > struct drm_crtc *crtc;
> > - struct drm_crtc_state *new_crtc_state;
> > + struct drm_crtc_state __maybe_unused *new_crtc_state;
> >
> > state->acquire_ctx = ctx;
> >
> > --
> > 2.15.0
> >
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