drm/nouveau/kms/tu102: wait for core update to complete when assigning windows

Fixes a race on Turing between the core cross-channel error checks and
the following window update.

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

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index dc90d4f..800b775 100644 (file)
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2073,7 +2073,7 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
         */
        if (core->assign_windows) {
                core->func->wndw.owner(core);
-               core->func->update(core, interlock, false);
+               nv50_disp_atomic_commit_core(state, interlock);
                core->assign_windows = false;
                interlock[NV50_DISP_INTERLOCK_CORE] = 0;
        }