Added support for zorder changes through DRM plane properties
Signed-off-by: Andre Renaud andre@bluewatersys.com --- drivers/staging/omapdrm/omap_drv.h | 1 + drivers/staging/omapdrm/omap_plane.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+)
diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h index 799dd46..14d67de 100644 --- a/drivers/staging/omapdrm/omap_drv.h +++ b/drivers/staging/omapdrm/omap_drv.h @@ -62,6 +62,7 @@ struct omap_drm_private {
/* properties: */ struct drm_property *rotation_prop; + struct drm_property *zorder_prop; };
/* this should probably be in drm-core to standardize amongst drivers */ diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c index 6931d06..4bde639 100644 --- a/drivers/staging/omapdrm/omap_plane.c +++ b/drivers/staging/omapdrm/omap_plane.c @@ -433,6 +433,15 @@ void omap_plane_install_properties(struct drm_plane *plane, priv->rotation_prop = prop; } drm_object_attach_property(obj, prop, 0); + + prop = priv->zorder_prop; + if (!prop) { + prop = drm_property_create_range(dev, 0, "zorder", 0, 3); + if (prop == NULL) + return; + priv->zorder_prop = prop; + } + drm_object_attach_property(obj, prop, 0); }
int omap_plane_set_property(struct drm_plane *plane, @@ -452,6 +461,16 @@ int omap_plane_set_property(struct drm_plane *plane, ret = omap_plane_dpms(plane, DRM_MODE_DPMS_ON); else ret = 0; + } else if (property == priv->zorder_prop) { + struct omap_overlay *ovl = omap_plane->ovl; + + DBG("%s: zorder: %d", ovl->name, (uint32_t)val); + omap_plane->info.zorder = val; + + if (ovl->is_enabled(ovl)) + ret = omap_plane_dpms(plane, DRM_MODE_DPMS_ON); + else + ret = 0; }
return ret;