@@ -625,6 +625,7 @@ static void validate_encoder_possible_crtcs(struct drm_encoder *encoder)
void drm_mode_config_validate(struct drm_device *dev)
{
struct drm_encoder *encoder;
+ struct drm_crtc *crtc;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return;
@@ -636,4 +637,19 @@ void drm_mode_config_validate(struct drm_device *dev)
validate_encoder_possible_clones(encoder);
validate_encoder_possible_crtcs(encoder);
}
+
+ drm_for_each_crtc(crtc, dev) {
+ if (crtc->primary) {
+ WARN(!(crtc->primary->possible_crtcs & BIT(crtc->index)),
+ "Bogus primary plane possible_crtcs: [PLANE:%d:%s] must be compatible with [CRTC:%d:%s]\n",
+ crtc->primary->base.id, crtc->primary->name,
+ crtc->base.id, crtc->name);
+ }
+ if (crtc->cursor) {
+ WARN(!(crtc->cursor->possible_crtcs & BIT(crtc->index)),
+ "Bogus cursor plane possible_crtcs: [PLANE:%d:%s] must be compatible with [CRTC:%d:%s]\n",
+ crtc->cursor->base.id, crtc->cursor->name,
+ crtc->base.id, crtc->name);
+ }
+ }
}