version 4: fix null pointer issue while setting zpos in plane reset function
This patch replaces zpos property handling custom code in rcar DRM driver with calls to generic DRM code.
Signed-off-by: Benjamin Gaignard benjamin.gaignard@linaro.org
Cc: Daniel Vetter daniel@ffwll.ch Cc: Ville Syrjala ville.syrjala@linux.intel.com Cc: Laurent Pinchart laurent.pinchart@ideasonboard.com Cc: Marek Szyprowski m.szyprowski@samsung.com --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +- drivers/gpu/drm/rcar-du/rcar_du_drv.h | 1 - drivers/gpu/drm/rcar-du/rcar_du_kms.c | 5 ----- drivers/gpu/drm/rcar-du/rcar_du_plane.c | 9 ++------- drivers/gpu/drm/rcar-du/rcar_du_plane.h | 2 -- 5 files changed, 3 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index e39fcef..7316fc7 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -196,7 +196,7 @@ void rcar_du_crtc_route_output(struct drm_crtc *crtc,
static unsigned int plane_zpos(struct rcar_du_plane *plane) { - return to_rcar_plane_state(plane->plane.state)->zpos; + return plane->plane.state->normalized_zpos; }
static const struct rcar_du_format_info * diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index ed35467..c843c31 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -92,7 +92,6 @@ struct rcar_du_device { struct { struct drm_property *alpha; struct drm_property *colorkey; - struct drm_property *zpos; } props;
unsigned int dpad0_source; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 6bb032d..f03eb55 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -527,11 +527,6 @@ static int rcar_du_properties_init(struct rcar_du_device *rcdu) if (rcdu->props.colorkey == NULL) return -ENOMEM;
- rcdu->props.zpos = - drm_property_create_range(rcdu->ddev, 0, "zpos", 1, 7); - if (rcdu->props.zpos == NULL) - return -ENOMEM; - return 0; }
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c index bfe31ca..a74f8ed 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c @@ -652,7 +652,7 @@ static void rcar_du_plane_reset(struct drm_plane *plane) state->source = RCAR_DU_PLANE_MEMORY; state->alpha = 255; state->colorkey = RCAR_DU_COLORKEY_NONE; - state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1; + state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
plane->state = &state->state; plane->state->plane = plane; @@ -670,8 +670,6 @@ static int rcar_du_plane_atomic_set_property(struct drm_plane *plane, rstate->alpha = val; else if (property == rcdu->props.colorkey) rstate->colorkey = val; - else if (property == rcdu->props.zpos) - rstate->zpos = val; else return -EINVAL;
@@ -690,8 +688,6 @@ static int rcar_du_plane_atomic_get_property(struct drm_plane *plane, *val = rstate->alpha; else if (property == rcdu->props.colorkey) *val = rstate->colorkey; - else if (property == rcdu->props.zpos) - *val = rstate->zpos; else return -EINVAL;
@@ -763,8 +759,7 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp) drm_object_attach_property(&plane->plane.base, rcdu->props.colorkey, RCAR_DU_COLORKEY_NONE); - drm_object_attach_property(&plane->plane.base, - rcdu->props.zpos, 1); + drm_plane_create_zpos_property(&plane->plane, 1, 1, 7); }
return 0; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h b/drivers/gpu/drm/rcar-du/rcar_du_plane.h index b18b7b2..8b91dd3 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h @@ -51,7 +51,6 @@ static inline struct rcar_du_plane *to_rcar_plane(struct drm_plane *plane) * @hwindex: 0-based hardware plane index, -1 means unused * @alpha: value of the plane alpha property * @colorkey: value of the plane colorkey property - * @zpos: value of the plane zpos property */ struct rcar_du_plane_state { struct drm_plane_state state; @@ -62,7 +61,6 @@ struct rcar_du_plane_state {
unsigned int alpha; unsigned int colorkey; - unsigned int zpos; };
static inline struct rcar_du_plane_state *