propogate failed fixups back up

diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index 345569b..5f93275 100644 (file)
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -458,12 +458,12 @@ bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
                if (output->crtc != crtc)
                        continue;
                
-               if (!output->funcs->mode_fixup(output, mode, adjusted_mode)) {
+               if (!(ret = output->funcs->mode_fixup(output, mode, adjusted_mode))) {
                        goto done;
                }
        }
        
-       if (!crtc->funcs->mode_fixup(crtc, mode, adjusted_mode)) {
+       if (!(ret = crtc->funcs->mode_fixup(crtc, mode, adjusted_mode))) {
                goto done;
        }
 
@@ -517,10 +517,16 @@ bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
 //             drm_crtc_set_screen_sub_pixel_order(dev);
 
 done:
+       if (!ret) { 
+               crtc->mode = saved_mode;
+               crtc->x = saved_x;
+               crtc->y = saved_y;
+       } 
+
        if (didLock)
                crtc->funcs->unlock (crtc);
        
-       return true;
+       return ret;
 }
 EXPORT_SYMBOL(drm_crtc_set_mode);