drm: update crtc x/y when only fb changes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index ff447f1..fe86974 100644 (file)
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -869,6 +869,9 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
                }
                drm_helper_disable_unused_functions(dev);
        } else if (fb_changed) {
+               set->crtc->x = set->x;
+               set->crtc->y = set->y;
+
                old_fb = set->crtc->fb;
                if (set->crtc->fb != set->fb)
                        set->crtc->fb = set->fb;