/* helper for getconnector and getproperties ioctls */
int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
uint32_t __user *prop_ptr,
uint64_t __user *prop_values,
uint32_t *arg_count_props)
{
int i, ret, count;
for (i = 0, count = 0; i < obj->properties->count; i++) {
struct drm_property *prop = obj->properties->properties[i];
uint64_t val;
if ((prop->flags & DRM_MODE_PROP_ATOMIC) && !atomic)
continue;
if (*arg_count_props > count) {
ret = drm_object_property_get_value(obj, prop, &val);
if (ret)
return ret;
if (put_user(prop->base.id, prop_ptr + count))
return -EFAULT;
if (put_user(val, prop_values + count))
return -EFAULT;
}
count++;
}
*arg_count_props = count;
return 0;
}
static int cdv_hdmi_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
struct drm_encoder *encoder = connector->encoder;
if (!strcmp(property->name, "scaling mode") && encoder) {
struct gma_crtc *crtc = to_gma_crtc(encoder->crtc);
bool centre;
uint64_t curValue;
if (!crtc)
return -1;
switch (value) {
case DRM_MODE_SCALE_FULLSCREEN:
break;
case DRM_MODE_SCALE_NO_SCALE:
break;
case DRM_MODE_SCALE_ASPECT:
break;
default:
return -1;
}
if (drm_object_property_get_value(&connector->base,
property, &curValue))
return -1;
if (curValue == value)
return 0;
if (drm_object_property_set_value(&connector->base,
property, value))
return -1;
centre = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
(value == DRM_MODE_SCALE_NO_SCALE);
if (crtc->saved_mode.hdisplay != 0 &&
crtc->saved_mode.vdisplay != 0) {
if (centre) {
if (!drm_crtc_helper_set_mode(encoder->crtc, &crtc->saved_mode,
encoder->crtc->x, encoder->crtc->y, encoder->crtc->primary->fb))
return -1;
} else {
const struct drm_encoder_helper_funcs *helpers
= encoder->helper_private;
helpers->mode_set(encoder, &crtc->saved_mode,
&crtc->saved_adjusted_mode);
}
}
}
return 0;
}
static int omap_crtc_atomic_get_property(struct drm_crtc *crtc,
const struct drm_crtc_state *state,
struct drm_property *property,
uint64_t *val)
{
/*
* Delegate property get to the primary plane. The
* drm_atomic_plane_get_property() function isn't exported, but can be
* called through drm_object_property_get_value() as that will call
* drm_atomic_get_property() for atomic drivers.
*/
return drm_object_property_get_value(&crtc->primary->base, property,
val);
}
