Merge tag 'drm-misc-fixes-2016-11-30' of git://anongit.freedesktop.or…

…g/git/drm-misc into drm-fixes single drm fix. * tag 'drm-misc-fixes-2016-11-30' of git://anongit.freedesktop.org/git/drm-misc: drm: Don't call drm_for_each_crtc with a non-KMS driver
mariux64 · Dec 1, 2016 · 83fb8b0 · 83fb8b0
2 parents b14fd8e + e94bd17
commit 83fb8b0
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
@@ -254,10 +254,12 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_
 		req->value = dev->mode_config.async_page_flip;
 		break;
 	case DRM_CAP_PAGE_FLIP_TARGET:
-		req->value = 1;
-		drm_for_each_crtc(crtc, dev) {
-			if (!crtc->funcs->page_flip_target)
-				req->value = 0;
+		if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+			req->value = 1;
+			drm_for_each_crtc(crtc, dev) {
+				if (!crtc->funcs->page_flip_target)
+					req->value = 0;
+			}
 		}
 		break;
 	case DRM_CAP_CURSOR_WIDTH: