diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 9f887a86e555d..da42389107f9c 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -209,7 +209,8 @@ i915-y += \
 	display/intel_vga.o
 i915-$(CONFIG_ACPI) += \
 	display/intel_acpi.o \
-	display/intel_opregion.o
+	display/intel_opregion.o \
+	display/intel_privacy_screen.o
 i915-$(CONFIG_DRM_FBDEV_EMULATION) += \
 	display/intel_fbdev.o
 
diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
index d043057d2fa03..fc6264b4a7f73 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic.c
@@ -150,6 +150,7 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn,
 	    new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio ||
 	    new_conn_state->base.content_type != old_conn_state->base.content_type ||
 	    new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode ||
+	    new_conn_state->base.privacy_screen_status != old_conn_state->base.privacy_screen_status ||
 	    !blob_equal(new_conn_state->base.hdr_output_metadata,
 			old_conn_state->base.hdr_output_metadata))
 		crtc_state->mode_changed = true;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 41c623b029464..a39b0c420b50a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -62,6 +62,7 @@
 #include "intel_lspcon.h"
 #include "intel_lvds.h"
 #include "intel_panel.h"
+#include "intel_privacy_screen.h"
 #include "intel_psr.h"
 #include "intel_sideband.h"
 #include "intel_tc.h"
@@ -5886,6 +5887,12 @@ intel_dp_connector_register(struct drm_connector *connector)
 		dev_priv->acpi_scan_done = true;
 	}
 
+	/* Check for integrated Privacy screen support */
+	if (intel_privacy_screen_present(to_intel_connector(connector)))
+		drm_connector_attach_privacy_screen_property(connector);
+	else
+		drm_connector_destroy_privacy_screen_property(connector);
+
 	DRM_DEBUG_KMS("registering %s bus for %s\n",
 		      intel_dp->aux.name, connector->kdev->kobj.name);
 
@@ -6881,9 +6888,30 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 		drm_connector_attach_scaling_mode_property(connector, allowed_scalers);
 
 		connector->state->scaling_mode = DRM_MODE_SCALE_ASPECT;
+
+		drm_connector_create_privacy_screen_property(connector);
 	}
 }
 
+static void intel_dp_update_privacy_screen(struct intel_encoder *encoder,
+				const struct intel_crtc_state *crtc_state,
+				const struct drm_connector_state *conn_state)
+{
+	struct drm_connector *connector = conn_state->connector;
+
+	if (connector->privacy_screen_property)
+		intel_privacy_screen_set_val(to_intel_connector(connector),
+					     conn_state->privacy_screen_status);
+}
+
+static void intel_dp_update_pipe(struct intel_encoder *encoder,
+				 const struct intel_crtc_state *crtc_state,
+				 const struct drm_connector_state *conn_state)
+{
+	intel_dp_update_privacy_screen(encoder, crtc_state, conn_state);
+	intel_panel_update_backlight(encoder, crtc_state, conn_state);
+}
+
 static void intel_dp_init_panel_power_timestamps(struct intel_dp *intel_dp)
 {
 	intel_dp->panel_power_off_time = ktime_get_boottime();
@@ -7825,7 +7853,7 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
 	intel_encoder->compute_config = intel_dp_compute_config;
 	intel_encoder->get_hw_state = intel_dp_get_hw_state;
 	intel_encoder->get_config = intel_dp_get_config;
-	intel_encoder->update_pipe = intel_panel_update_backlight;
+	intel_encoder->update_pipe = intel_dp_update_pipe;
 	intel_encoder->suspend = intel_dp_encoder_suspend;
 	if (IS_CHERRYVIEW(dev_priv)) {
 		intel_encoder->pre_pll_enable = chv_dp_pre_pll_enable;
diff --git a/drivers/gpu/drm/i915/display/intel_privacy_screen.c b/drivers/gpu/drm/i915/display/intel_privacy_screen.c
new file mode 100644
index 0000000000000..6ff61ddf4c0a4
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_privacy_screen.c
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Intel ACPI privacy screen code
+ *
+ * Copyright © 2020 Google Inc.
+ *
+ * This code can help detect and control an integrated EPS (electronic
+ * privacy screen) via ACPI functions. It expects an ACPI node for the
+ * drm connector device with the following elements:
+ *
+ * UUID should be "c7033113-8720-4ceb-9090-9d52b3e52d73"
+ *
+ * _ADR = ACPI address per Spec (also see intel_acpi_device_id_update())
+ * https://uefi.org/sites/default/files/resources/ACPI_6_3_final_Jan30.pdf
+ * Pages 1119 - 1123.
+ *
+ * _DSM method that will perform the following functions according to
+ * Local1 argument passed to it:
+ *  - Local1 = 0 (EPS capabilities): Report EPS presence and capabilities.
+ *  - Local1 = 1 (EPS State)  :  _DSM returns 1 if EPS is enabled, 0 otherwise.
+ *  - Local1 = 2 (EPS Enable) :  _DSM enables EPS
+ *  - Local1 = 3 (EPS Disable):  _DSM disables EPS
+ *
+ * Here is a sample ACPI node:
+ *
+ *  Scope (\_SB.PCI0.GFX0) // Intel graphics device (PCI device)
+ *  {
+ *      Method (_DOD, 0, NotSerialized)  // _DOD: Display Output Devices
+ *      {
+ *          Return (Package (0x01)
+ *          {
+ *              0x80010400
+ *          })
+ *      }
+ *
+ *      Device (LCD)
+ *      {
+ *          Name (_ADR, 0x80010400)  // _ADR: Address
+ *          Name (_STA, 0x0F)  // _STA: Status
+ *
+ *          Method (EPSP, 0, NotSerialized) // EPS Present
+ *          {
+ *              Return (0x01)
+ *          }
+ *
+ *          Method (EPSS, 0, NotSerialized) // EPS State
+ *          {
+ *              Local0 = \_SB.PCI0.GRXS (0xCD)
+ *              Return (Local0)
+ *          }
+ *
+ *          Method (EPSE, 0, NotSerialized) // EPS Enable
+ *          {
+ *              \_SB.PCI0.STXS (0xCD)
+ *          }
+ *
+ *          Method (EPSD, 0, NotSerialized) // EPS Disable
+ *          {
+ *              \_SB.PCI0.CTXS (0xCD)
+ *          }
+ *
+ *          Method (_DSM, 4, Serialized)  // _DSM: Device-Specific Method
+ *          {
+ *              ToBuffer (Arg0, Local0)
+ *              If ((Local0 == ToUUID ("c7033113-8720-4ceb-9090-9d52b3e52d73")))
+ *              {
+ *                  ToInteger (Arg2, Local1)
+ *                  If ((Local1 == Zero))
+ *                  {
+ *                      Local2 = EPSP ()
+ *                      If ((Local2 == One))
+ *                      {
+ *                          Return (Buffer (One)
+ *                          {
+ *                               0x0F
+ *                          })
+ *                      }
+ *                  }
+ *
+ *                  If ((Local1 == One))
+ *                  {
+ *                      Return (EPSS ())
+ *                  }
+ *
+ *                  If ((Local1 == 0x02))
+ *                  {
+ *                      EPSE ()
+ *                  }
+ *
+ *                  If ((Local1 == 0x03))
+ *                  {
+ *                      EPSD ()
+ *                  }
+ *
+ *                  Return (Buffer (One)
+ *                  {
+ *                       0x00
+ *                  })
+ *              }
+ *
+ *              Return (Buffer (One)
+ *              {
+ *                   0x00
+ *              })
+ *          }
+ *      }
+ *  }
+ */
+
+#include <linux/acpi.h>
+
+#include "intel_privacy_screen.h"
+
+#define CONNECTOR_DSM_REVID 1
+
+#define CONNECTOR_DSM_FN_PRIVACY_ENABLE		2
+#define CONNECTOR_DSM_FN_PRIVACY_DISABLE	3
+
+static const guid_t drm_conn_dsm_guid =
+	GUID_INIT(0xC7033113, 0x8720, 0x4CEB,
+		  0x90, 0x90, 0x9D, 0x52, 0xB3, 0xE5, 0x2D, 0x73);
+
+/* Makes _DSM call to set privacy screen status */
+static void acpi_privacy_screen_call_dsm(struct intel_connector *connector,
+					 u64 func)
+{
+	union acpi_object *obj;
+	acpi_handle acpi_handle = connector->acpi_handle;
+
+	if (!acpi_handle)
+		return;
+
+	obj = acpi_evaluate_dsm(acpi_handle, &drm_conn_dsm_guid,
+				CONNECTOR_DSM_REVID, func, NULL);
+	if (!obj) {
+		drm_err(connector->base.dev,
+			"failed to evaluate _DSM for fn %llx\n", func);
+		return;
+	}
+
+	ACPI_FREE(obj);
+}
+
+void intel_privacy_screen_set_val(struct intel_connector *connector,
+				  enum drm_privacy_screen_status val)
+{
+	if (val == PRIVACY_SCREEN_DISABLED)
+		acpi_privacy_screen_call_dsm(connector,
+					     CONNECTOR_DSM_FN_PRIVACY_DISABLE);
+	else if (val == PRIVACY_SCREEN_ENABLED)
+		acpi_privacy_screen_call_dsm(connector,
+					     CONNECTOR_DSM_FN_PRIVACY_ENABLE);
+	else
+		drm_err(connector->base.dev,
+			"Cannot set privacy screen to invalid val %u\n", val);
+}
+
+bool intel_privacy_screen_present(struct intel_connector *connector)
+{
+	acpi_handle handle = connector->acpi_handle;
+
+	if (!handle)
+		return false;
+
+	if (!acpi_check_dsm(handle, &drm_conn_dsm_guid,
+			    CONNECTOR_DSM_REVID,
+			    1 << CONNECTOR_DSM_FN_PRIVACY_ENABLE |
+			    1 << CONNECTOR_DSM_FN_PRIVACY_DISABLE)) {
+		drm_dbg_kms(connector->base.dev,
+			    "ACPI node but no privacy scrn\n");
+		return false;
+	}
+	drm_info(connector->base.dev, "supports privacy screen\n");
+	return true;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_privacy_screen.h b/drivers/gpu/drm/i915/display/intel_privacy_screen.h
new file mode 100644
index 0000000000000..f8d2e246ea0bd
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_privacy_screen.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Copyright © 2019 Google Inc.
+ */
+
+#ifndef __DRM_PRIVACY_SCREEN_H__
+#define __DRM_PRIVACY_SCREEN_H__
+
+#include "intel_display_types.h"
+
+#ifdef CONFIG_ACPI
+bool intel_privacy_screen_present(struct intel_connector *connector);
+void intel_privacy_screen_set_val(struct intel_connector *connector,
+				  enum drm_privacy_screen_status val);
+#else
+static bool intel_privacy_screen_present(struct intel_connector *connector)
+{
+	return false;
+}
+
+static void
+intel_privacy_screen_set_val(struct intel_connector *connector,
+			     enum drm_privacy_screen_status val)
+{ }
+#endif /* CONFIG_ACPI */
+
+#endif /* __DRM_PRIVACY_SCREEN_H__ */
