diff --git a/local/recipes/gpu/redox-drm/source/src/drivers/intel/ring.rs b/local/recipes/gpu/redox-drm/source/src/drivers/intel/ring.rs
index a4417033e1..27541fb0c6 100644
--- a/local/recipes/gpu/redox-drm/source/src/drivers/intel/ring.rs
+++ b/local/recipes/gpu/redox-drm/source/src/drivers/intel/ring.rs
@@ -27,7 +27,7 @@ const RING_CTL_SIZE_MASK: u32 = !0x0FFF;
 
 const MI_NOOP: u32 = 0x0000_0000;
 const MI_FLUSH_DW: u32 = 0x0200_0000;
-const MI_USER_INTERRUPT: u32 = 0x0200_0000;
+const MI_USER_INTERRUPT: u32 = 0x6200_0000;
 
 #[derive(Clone, Copy, Debug)]
 pub enum RingType {
@@ -161,7 +161,7 @@ impl IntelRing {
     }
 
     pub fn flush(&mut self) -> Result<()> {
-        self.submit_batch(&[MI_FLUSH_DW, MI_NOOP])
+        self.submit_batch(&[MI_FLUSH_DW | (1 << 22), 0x0000_0000])
     }
 
     pub fn has_activity(&mut self) -> Result<bool> {
diff --git a/local/recipes/gpu/redox-drm/source/src/scheme.rs b/local/recipes/gpu/redox-drm/source/src/scheme.rs
index 339a89789f..6601d0fb05 100644
--- a/local/recipes/gpu/redox-drm/source/src/scheme.rs
+++ b/local/recipes/gpu/redox-drm/source/src/scheme.rs
@@ -1810,9 +1810,15 @@ impl DrmScheme {
             }
 
             DRM_IOCTL_MODE_SETPLANE => {
-                let _req = decode_wire::<DrmSetPlaneWire>(payload)?;
-                warn!("redox-drm: SETPLANE not implemented (hardware overlay/cursor planes require DC)");
-                return Err(Error::new(EOPNOTSUPP));
+                let req = decode_wire::<DrmSetPlaneWire>(payload)?;
+                if req.plane_id == PRIMARY_PLANE_ID && req.fb_id != 0 {
+                    self.driver.page_flip(req.crtc_id, req.fb_id, 0)
+                        .map_err(driver_to_syscall)?;
+                    Vec::new()
+                } else {
+                    debug!("redox-drm: SETPLANE ignored (overlay/cursor plane {})", req.plane_id);
+                    Vec::new()
+                }
             }
 
             DRM_IOCTL_MODE_ADDFB => {