diff --git a/drivers/graphics/ihdgd/src/device/mod.rs b/drivers/graphics/ihdgd/src/device/mod.rs
index 7c751573f4..45f4075167 100644
--- a/drivers/graphics/ihdgd/src/device/mod.rs
+++ b/drivers/graphics/ihdgd/src/device/mod.rs
@@ -392,7 +392,8 @@ impl Device {
             DeviceKind::Alchemist => {
                 // Many registers are identical to tigerlake
                 dplls = Dpll::tigerlake(&gttmm)?;
-                pipes = Pipe::tigerlake(&gttmm)?;
+                pipes = Pipe::alchemist(&gttmm)?;
+                // FIXME transcoders are probably different too
                 transcoders = Transcoder::tigerlake(&gttmm)?;
                 // Power wells are distinct
                 ddis = Ddi::alchemist(&gttmm)?;
diff --git a/drivers/graphics/ihdgd/src/device/pipe.rs b/drivers/graphics/ihdgd/src/device/pipe.rs
index ffad8f4e32..afa120d7a3 100644
--- a/drivers/graphics/ihdgd/src/device/pipe.rs
+++ b/drivers/graphics/ihdgd/src/device/pipe.rs
@@ -307,4 +307,61 @@ impl Pipe {
         }
         Ok(pipes)
     }
+
+    pub fn alchemist(gttmm: &MmioRegion) -> Result<Vec<Self>> {
+        let mut pipes = Vec::with_capacity(4);
+        for (i, name) in ["A", "B", "C", "D"].iter().enumerate() {
+            let mut planes = Vec::new();
+            //TODO: cursor plane
+            for (j, name) in ["1", "2", "3", "4", "5"].iter().enumerate() {
+                planes.push(Plane {
+                    name,
+                    index: j,
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_BUF_CFG
+                    buf_cfg: unsafe { gttmm.mmio(0x7057C + i * 0x1000 + j * 0x100)? },
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_COLOR_CTL
+                    color_ctl: Some(unsafe { gttmm.mmio(0x704CC + i * 0x1000 + j * 0x100)? }),
+                    color_ctl_gamma_disable: 1 << 13,
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_CTL
+                    ctl: unsafe { gttmm.mmio(0x70480 + i * 0x1000 + j * 0x100)? },
+                    ctl_source_rgb_8888: 0b01000 << 23,
+                    ctl_source_mask: 0b11111 << 23,
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_OFFSET
+                    offset: unsafe { gttmm.mmio(0x704A4 + i * 0x1000 + j * 0x100)? },
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_POS
+                    pos: unsafe { gttmm.mmio(0x7048C + i * 0x1000 + j * 0x100)? },
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_SIZE
+                    size: unsafe { gttmm.mmio(0x70490 + i * 0x1000 + j * 0x100)? },
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_STRIDE
+                    stride: unsafe { gttmm.mmio(0x70488 + i * 0x1000 + j * 0x100)? },
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_SURF
+                    surf: unsafe { gttmm.mmio(0x7049C + i * 0x1000 + j * 0x100)? },
+                    // IHD-OS-ACM-Vol 2c-3.23 PLANE_WM
+                    wm: [
+                        unsafe { gttmm.mmio(0x70540 + i * 0x1000 + j * 0x100)? },
+                        unsafe { gttmm.mmio(0x70544 + i * 0x1000 + j * 0x100)? },
+                        unsafe { gttmm.mmio(0x70548 + i * 0x1000 + j * 0x100)? },
+                        unsafe { gttmm.mmio(0x7054C + i * 0x1000 + j * 0x100)? },
+                        unsafe { gttmm.mmio(0x70550 + i * 0x1000 + j * 0x100)? },
+                        unsafe { gttmm.mmio(0x70554 + i * 0x1000 + j * 0x100)? },
+                        unsafe { gttmm.mmio(0x70558 + i * 0x1000 + j * 0x100)? },
+                        unsafe { gttmm.mmio(0x7055C + i * 0x1000 + j * 0x100)? },
+                    ],
+                    wm_trans: unsafe { gttmm.mmio(0x70568 + i * 0x1000 + j * 0x100)? },
+                });
+            }
+            pipes.push(Pipe {
+                name,
+                index: i,
+                planes,
+                // IHD-OS-ACM-Vol 2c-3.23 PIPE_BOTTOM_COLOR
+                bottom_color: unsafe { gttmm.mmio(0x70034 + i * 0x1000)? },
+                // IHD-OS-ACM-Vol 2c-3.23 PIPE_MISC
+                misc: unsafe { gttmm.mmio(0x70030 + i * 0x1000)? },
+                // IHD-OS-ACM-Vol 2c-3.23 PIPE_SRCSZ
+                srcsz: unsafe { gttmm.mmio(0x6001C + i * 0x1000)? },
+            })
+        }
+        Ok(pipes)
+    }
 }