drm/nvd0/disp: push the update button in mode_set_base()

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

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 376acc1619a0..4fadea47b3b4 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -192,6 +192,10 @@ nvd0_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
                 evo_data(push, nvfb->r_pitch);
                 evo_data(push, nvfb->r_format);
                 evo_data(push, nvfb->r_dma);
+                if (update) {
+                        evo_mthd(push, 0x0080, 1);
+                        evo_data(push, 0x00000000);
+                }
                 evo_kick(push, fb->dev, 0);
         }