diff --git a/local/recipes/gpu/redox-drm/source/src/drivers/amd/display.rs b/local/recipes/gpu/redox-drm/source/src/drivers/amd/display.rs
index 5e71595c4b..1e7ff195a2 100644
--- a/local/recipes/gpu/redox-drm/source/src/drivers/amd/display.rs
+++ b/local/recipes/gpu/redox-drm/source/src/drivers/amd/display.rs
@@ -326,6 +326,9 @@ impl DisplayCore {
                 mm_height: raw.mm_height.max(0) as u32,
                 encoder_id: raw.encoder_id.max(0) as u32,
                 modes: self.modes_for_connector(idx as u32),
+                panel_orientation: Some(
+                    redox_driver_sys::quirks::dmi::load_drm_panel_orientation(),
+                ),
             });
         }
 
diff --git a/local/recipes/gpu/redox-drm/source/src/drivers/intel/display.rs b/local/recipes/gpu/redox-drm/source/src/drivers/intel/display.rs
index eefcf7e38b..d479637356 100644
--- a/local/recipes/gpu/redox-drm/source/src/drivers/intel/display.rs
+++ b/local/recipes/gpu/redox-drm/source/src/drivers/intel/display.rs
@@ -161,6 +161,9 @@ impl IntelDisplay {
                 mm_height,
                 encoder_id: port as u32 + 1,
                 modes,
+                panel_orientation: Some(
+                    redox_driver_sys::quirks::dmi::load_drm_panel_orientation(),
+                ),
             });
         }
 
diff --git a/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs b/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs
index 2c3e2a2d96..38f15a6022 100644
--- a/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs
+++ b/local/recipes/gpu/redox-drm/source/src/drivers/virtio/mod.rs
@@ -1552,6 +1552,9 @@ fn load_display_topology(device: &mut VirtioGpuDevice) -> Result<(Vec<Connector>
             mm_height: millimeters_for_pixels(mode.rect.height),
             encoder_id: scanout as u32 + 1,
             modes,
+            panel_orientation: Some(
+                redox_driver_sys::quirks::dmi::load_drm_panel_orientation(),
+            ),
         };
 
         connectors.push(Connector { info, edid });
@@ -1569,6 +1572,9 @@ fn load_display_topology(device: &mut VirtioGpuDevice) -> Result<(Vec<Connector>
                 mm_height: 0,
                 encoder_id: 1,
                 modes: vec![ModeInfo::default_1080p()],
+                panel_orientation: Some(
+                    redox_driver_sys::quirks::dmi::load_drm_panel_orientation(),
+                ),
             },
             edid: synthetic_edid(),
         });
diff --git a/local/recipes/gpu/redox-drm/source/src/kms/connector.rs b/local/recipes/gpu/redox-drm/source/src/kms/connector.rs
index 20d2c57e45..e8883492d8 100644
--- a/local/recipes/gpu/redox-drm/source/src/kms/connector.rs
+++ b/local/recipes/gpu/redox-drm/source/src/kms/connector.rs
@@ -1,4 +1,5 @@
 use crate::kms::{ConnectorInfo, ConnectorStatus, ConnectorType, ModeInfo};
+use redox_driver_sys::quirks::dmi::load_drm_panel_orientation;
 
 #[derive(Clone, Debug)]
 pub struct Connector {
@@ -26,6 +27,8 @@ impl Connector {
                 } else {
                     modes
                 },
+                // R12: DMI panel orientation from 50-drm-panel.toml.
+                panel_orientation: Some(load_drm_panel_orientation()),
             },
             edid,
         }
diff --git a/local/recipes/gpu/redox-drm/source/src/kms/mod.rs b/local/recipes/gpu/redox-drm/source/src/kms/mod.rs
index 5e8ede9946..cbc3c6c170 100644
--- a/local/recipes/gpu/redox-drm/source/src/kms/mod.rs
+++ b/local/recipes/gpu/redox-drm/source/src/kms/mod.rs
@@ -121,6 +121,11 @@ pub struct ConnectorInfo {
     pub mm_height: u32,
     pub encoder_id: u32,
     pub modes: Vec<ModeInfo>,
+    /// Panel orientation for portrait-screen devices, sourced from DMI
+    /// quirk lookup (Phase R12). `None` means no DMI rule matched —
+    /// callers should treat this as the default landscape orientation.
+    #[allow(dead_code)]
+    pub panel_orientation: Option<redox_driver_sys::quirks::DrmPanelOrientation>,
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
diff --git a/local/recipes/gpu/redox-drm/source/src/main.rs b/local/recipes/gpu/redox-drm/source/src/main.rs
index 16c6017a06..4d077f04e2 100644
--- a/local/recipes/gpu/redox-drm/source/src/main.rs
+++ b/local/recipes/gpu/redox-drm/source/src/main.rs
@@ -604,6 +604,23 @@ fn main() {
 
     init_logging(log_level);
 
+    // R13: platform DMI dispatch (touchscreen, tablet_mode, hotkey, etc.)
+    let platform_rules = redox_driver_sys::quirks::dmi::load_platform_dmi_quirks();
+    for rule in &platform_rules {
+        info!(
+            "redox-drm: R13 platform DMI match: subsystem={:?} sys_vendor={:?} product_name={:?}",
+            rule.subsystem,
+            rule.dmi_match.sys_vendor,
+            rule.dmi_match.product_name
+        );
+    }
+
+    // R21: AMD IOMMU bypass (Dell Inspiron 7375, Acer A315-41, etc.)
+    let acpi_flags = redox_driver_sys::quirks::dmi::load_dmi_acpi_quirks();
+    if acpi_flags.contains(redox_driver_sys::quirks::AcpiQuirkFlags::SUPPRESS_IVRS) {
+        info!("redox-drm: R21 AMD IOMMU bypass active (SUPPRESS_IVRS set)");
+    }
+
     daemon::Daemon::new(|daemon| {
         if let Err(error) = run(daemon) {
             error!("redox-drm: fatal error: {}", error);