On Fri, Aug 19, 2016 at 11:39:29AM +0300, Laurent Pinchart wrote: > The plane .prepare_fb() and .cleanup_fb() helpers are optional, there's > no need to implement empty stubs, and no need to explicitly set the > function pointers to NULL either. > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> Rebased onto Chris' patch (which I had already in the queue) and applied to drm-misc. Thanks, Daniel > --- > drivers/gpu/drm/arc/arcpgu_crtc.c | 2 -- > drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 15 --------------- > drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 15 --------------- > drivers/gpu/drm/tegra/dc.c | 17 ----------------- > drivers/gpu/drm/vc4/vc4_plane.c | 2 -- > 5 files changed, 51 deletions(-) > > diff --git a/drivers/gpu/drm/arc/arcpgu_crtc.c b/drivers/gpu/drm/arc/arcpgu_crtc.c > index ee0a61c2861b..7130b044b004 100644 > --- a/drivers/gpu/drm/arc/arcpgu_crtc.c > +++ b/drivers/gpu/drm/arc/arcpgu_crtc.c > @@ -183,8 +183,6 @@ static void arc_pgu_plane_atomic_update(struct drm_plane *plane, > } > > static const struct drm_plane_helper_funcs arc_pgu_plane_helper_funcs = { > - .prepare_fb = NULL, > - .cleanup_fb = NULL, > .atomic_update = arc_pgu_plane_atomic_update, > }; > > diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c > index e50467a0deb0..a7e5486bd1e9 100644 > --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c > +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c > @@ -169,25 +169,10 @@ static void fsl_dcu_drm_plane_atomic_update(struct drm_plane *plane, > return; > } > > -static void > -fsl_dcu_drm_plane_cleanup_fb(struct drm_plane *plane, > - const struct drm_plane_state *new_state) > -{ > -} > - > -static int > -fsl_dcu_drm_plane_prepare_fb(struct drm_plane *plane, > - const struct drm_plane_state *new_state) > -{ > - return 0; > -} > - > static const struct drm_plane_helper_funcs fsl_dcu_drm_plane_helper_funcs = { > .atomic_check = fsl_dcu_drm_plane_atomic_check, > .atomic_disable = fsl_dcu_drm_plane_atomic_disable, > .atomic_update = fsl_dcu_drm_plane_atomic_update, > - .cleanup_fb = fsl_dcu_drm_plane_cleanup_fb, > - .prepare_fb = fsl_dcu_drm_plane_prepare_fb, > }; > > static void fsl_dcu_drm_plane_destroy(struct drm_plane *plane) > diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c > index c3707d47cd89..635ead039b8b 100644 > --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c > +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c > @@ -815,19 +815,6 @@ static void ade_disable_channel(struct ade_plane *aplane) > ade_compositor_routing_disable(base, ch); > } > > -static int ade_plane_prepare_fb(struct drm_plane *plane, > - const struct drm_plane_state *new_state) > -{ > - /* do nothing */ > - return 0; > -} > - > -static void ade_plane_cleanup_fb(struct drm_plane *plane, > - const struct drm_plane_state *old_state) > -{ > - /* do nothing */ > -} > - > static int ade_plane_atomic_check(struct drm_plane *plane, > struct drm_plane_state *state) > { > @@ -895,8 +882,6 @@ static void ade_plane_atomic_disable(struct drm_plane *plane, > } > > static const struct drm_plane_helper_funcs ade_plane_helper_funcs = { > - .prepare_fb = ade_plane_prepare_fb, > - .cleanup_fb = ade_plane_cleanup_fb, > .atomic_check = ade_plane_atomic_check, > .atomic_update = ade_plane_atomic_update, > .atomic_disable = ade_plane_atomic_disable, > diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c > index 8495bd01b544..3de7ce33d3d4 100644 > --- a/drivers/gpu/drm/tegra/dc.c > +++ b/drivers/gpu/drm/tegra/dc.c > @@ -480,17 +480,6 @@ static const struct drm_plane_funcs tegra_primary_plane_funcs = { > .atomic_destroy_state = tegra_plane_atomic_destroy_state, > }; > > -static int tegra_plane_prepare_fb(struct drm_plane *plane, > - const struct drm_plane_state *new_state) > -{ > - return 0; > -} > - > -static void tegra_plane_cleanup_fb(struct drm_plane *plane, > - const struct drm_plane_state *old_fb) > -{ > -} > - > static int tegra_plane_state_add(struct tegra_plane *plane, > struct drm_plane_state *state) > { > @@ -624,8 +613,6 @@ static void tegra_plane_atomic_disable(struct drm_plane *plane, > } > > static const struct drm_plane_helper_funcs tegra_primary_plane_helper_funcs = { > - .prepare_fb = tegra_plane_prepare_fb, > - .cleanup_fb = tegra_plane_cleanup_fb, > .atomic_check = tegra_plane_atomic_check, > .atomic_update = tegra_plane_atomic_update, > .atomic_disable = tegra_plane_atomic_disable, > @@ -796,8 +783,6 @@ static const struct drm_plane_funcs tegra_cursor_plane_funcs = { > }; > > static const struct drm_plane_helper_funcs tegra_cursor_plane_helper_funcs = { > - .prepare_fb = tegra_plane_prepare_fb, > - .cleanup_fb = tegra_plane_cleanup_fb, > .atomic_check = tegra_cursor_atomic_check, > .atomic_update = tegra_cursor_atomic_update, > .atomic_disable = tegra_cursor_atomic_disable, > @@ -866,8 +851,6 @@ static const uint32_t tegra_overlay_plane_formats[] = { > }; > > static const struct drm_plane_helper_funcs tegra_overlay_plane_helper_funcs = { > - .prepare_fb = tegra_plane_prepare_fb, > - .cleanup_fb = tegra_plane_cleanup_fb, > .atomic_check = tegra_plane_atomic_check, > .atomic_update = tegra_plane_atomic_update, > .atomic_disable = tegra_plane_atomic_disable, > diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c > index 29e4b400e25e..881bf489478b 100644 > --- a/drivers/gpu/drm/vc4/vc4_plane.c > +++ b/drivers/gpu/drm/vc4/vc4_plane.c > @@ -735,8 +735,6 @@ void vc4_plane_async_set_fb(struct drm_plane *plane, struct drm_framebuffer *fb) > } > > static const struct drm_plane_helper_funcs vc4_plane_helper_funcs = { > - .prepare_fb = NULL, > - .cleanup_fb = NULL, > .atomic_check = vc4_plane_atomic_check, > .atomic_update = vc4_plane_atomic_update, > }; > -- > 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