1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_dac.c b/drivers/gpu/drm/nouveau/nv50_dac.c
index 98d312623eda..71e0d5f21f93 100644
--- a/drivers/gpu/drm/nouveau/nv50_dac.c
+++ b/drivers/gpu/drm/nouveau/nv50_dac.c
@@ -47,16 +47,19 @@ nv50_dac_disconnect(struct drm_encoder *encoder)
 
         if (!nv_encoder->crtc)
                 return;
+        nv50_crtc_blank(nouveau_crtc(nv_encoder->crtc), true);
 
         NV_DEBUG_KMS(dev, "Disconnecting DAC %d\n", nv_encoder->or);
 
-        ret = RING_SPACE(evo, 2);
+        ret = RING_SPACE(evo, 4);
         if (ret) {
                 NV_ERROR(dev, "no space while disconnecting DAC\n");
                 return;
         }
         BEGIN_RING(evo, 0, NV50_EVO_DAC(nv_encoder->or, MODE_CTRL), 1);
-        OUT_RING(evo, 0);
+        OUT_RING  (evo, 0);
+        BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1);
+        OUT_RING  (evo, 0);
 
         nv_encoder->crtc = NULL;
 }