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-rw-r--r--backend/drm/drm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index d1abe773..0680aeee 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -336,7 +336,7 @@ static bool drm_crtc_commit(struct wlr_drm_connector *conn, uint32_t flags) {
get_drm_backend_from_backend(conn->output.backend);
struct wlr_drm_crtc *crtc = conn->crtc;
bool ok = drm->iface->crtc_commit(drm, conn, flags);
- if (ok) {
+ if (ok && !(flags & DRM_MODE_ATOMIC_TEST_ONLY)) {
memcpy(&crtc->current, &crtc->pending, sizeof(struct wlr_drm_crtc_state));
} else {
memcpy(&crtc->pending, &crtc->current, sizeof(struct wlr_drm_crtc_state));