diff options
Diffstat (limited to 'drivers/gpu/drm/drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/drm_plane.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index c6bbb0c209f4..eaca367bdc7e 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -230,6 +230,47 @@ static int create_in_format_blob(struct drm_device *dev, struct drm_plane *plane return 0; } +/** + * drm_plane_create_hotspot_properties - creates the mouse hotspot + * properties and attaches them to the given cursor plane + * + * @plane: drm cursor plane + * + * This function enables the mouse hotspot property on a given + * cursor plane. + * + * RETURNS: + * Zero for success or -errno + */ +static int drm_plane_create_hotspot_properties(struct drm_plane *plane) +{ + struct drm_property *prop_x; + struct drm_property *prop_y; + + drm_WARN_ON(plane->dev, + !drm_core_check_feature(plane->dev, + DRIVER_CURSOR_HOTSPOT)); + + prop_x = drm_property_create_signed_range(plane->dev, 0, "HOTSPOT_X", + INT_MIN, INT_MAX); + if (IS_ERR(prop_x)) + return PTR_ERR(prop_x); + + prop_y = drm_property_create_signed_range(plane->dev, 0, "HOTSPOT_Y", + INT_MIN, INT_MAX); + if (IS_ERR(prop_y)) { + drm_property_destroy(plane->dev, prop_x); + return PTR_ERR(prop_y); + } + + drm_object_attach_property(&plane->base, prop_x, 0); + drm_object_attach_property(&plane->base, prop_y, 0); + plane->hotspot_x_property = prop_x; + plane->hotspot_y_property = prop_y; + + return 0; +} + __printf(9, 0) static int __drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, @@ -348,6 +389,10 @@ static int __drm_universal_plane_init(struct drm_device *dev, drm_object_attach_property(&plane->base, config->prop_src_w, 0); drm_object_attach_property(&plane->base, config->prop_src_h, 0); } + if (drm_core_check_feature(dev, DRIVER_CURSOR_HOTSPOT) && + type == DRM_PLANE_TYPE_CURSOR) { + drm_plane_create_hotspot_properties(plane); + } if (format_modifier_count) create_in_format_blob(dev, plane); @@ -1067,6 +1112,11 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc, fb->hot_x = req->hot_x; fb->hot_y = req->hot_y; + + if (plane->hotspot_x_property && plane->state) + plane->state->hotspot_x = req->hot_x; + if (plane->hotspot_y_property && plane->state) + plane->state->hotspot_y = req->hot_y; } else { fb = NULL; } |