diff --git a/repos/base/run/platform_drv.inc b/repos/base/run/platform_drv.inc
index c442dff71d..3da9f74d87 100644
--- a/repos/base/run/platform_drv.inc
+++ b/repos/base/run/platform_drv.inc
@@ -188,6 +188,7 @@ proc platform_drv_config {} {
 			<service name="Report" />
 		</provides>
 		<config>
+			<policy label="intel_fb_drv -> intel_opregion" report="acpi_drv -> intel_opregion"/>
 			<policy label="smbios_decoder -> smbios_table" report="acpi_drv -> smbios_table"/>
 			<policy label="platform_drv -> acpi"           report="acpi_drv -> acpi"/>}
 
diff --git a/repos/pc/run/intel_fb.run b/repos/pc/run/intel_fb.run
index 0ae21947d4..7265214d59 100644
--- a/repos/pc/run/intel_fb.run
+++ b/repos/pc/run/intel_fb.run
@@ -68,6 +68,9 @@ append config {
 		<route>
 			<service name="Report"> <child name="report_rom"/> </service>
 			<service name="Platform"> <child name="platform_drv" label="intel_fb_drv"/> </service>
+			<service name="ROM" label="intel_fb_drv -> intel_opregion">
+				<child name="acpi_report_rom" label="intel_fb_drv -> intel_opregion"/>
+			</service>
 			<any-service> <parent/> <any-child/> </any-service>
 		</route>
 		<config prio_levels="2">
diff --git a/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.c b/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.c
index afb1f8ec99..2c0c20a3b3 100644
--- a/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.c
+++ b/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.c
@@ -215,6 +215,9 @@ void intel_gt_init_early(struct intel_gt * gt, struct drm_i915_private * i915)
 	init_llist_head(&gt->watchdog.list);
 
 	lx_emul_trace(__func__);
+
+	/* disable panel self refresh (required for FUJITSU S937/S938) */
+	i915->params.enable_psr = 0;
 }
 
 
@@ -242,7 +245,7 @@ void * memremap(resource_size_t offset, size_t size, unsigned long flags)
 {
 	lx_emul_trace(__func__);
 
-	return NULL;
+	return intel_io_mem_map(offset, size);
 }
 
 
diff --git a/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.h b/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.h
index b6444c51c0..7dc6902aa1 100644
--- a/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.h
+++ b/repos/pc/src/drivers/framebuffer/intel/pc/lx_emul.h
@@ -39,6 +39,7 @@ unsigned int   lx_emul_io_port_inl(unsigned short port);
 
 void *emul_alloc_shmem_file_buffer(unsigned long);
 
+void * intel_io_mem_map(unsigned long offset, unsigned long size);
 
 #include "lx_i915.h"
 
diff --git a/repos/pc/src/drivers/framebuffer/intel/pc/opregion_io_mem.cc b/repos/pc/src/drivers/framebuffer/intel/pc/opregion_io_mem.cc
new file mode 100644
index 0000000000..b97e7d56d5
--- /dev/null
+++ b/repos/pc/src/drivers/framebuffer/intel/pc/opregion_io_mem.cc
@@ -0,0 +1,70 @@
+/*
+ * \brief  Linux emulation environment specific to this driver - Intel opregion
+ * \author Alexander Boettcher
+ * \date   2022-01-21
+ */
+
+/*
+ * Copyright (C) 2022 Genode Labs GmbH
+ *
+ * This file is distributed under the terms of the GNU General Public License
+ * version 2.
+ */
+
+
+#include <base/log.h>
+#include <lx_kit/env.h>
+#include <base/attached_io_mem_dataspace.h>
+#include <base/attached_rom_dataspace.h>
+
+#include <region_map/client.h>
+#include <rm_session/connection.h>
+#include <rom_session/connection.h>
+
+
+extern "C" void * intel_io_mem_map(unsigned long const phys,
+                                   unsigned long const size)
+{
+	using namespace Genode;
+
+	static Constructible<Attached_rom_dataspace> rom_opregion { };
+	static addr_t opregion_start = 0;
+	static addr_t opregion_size  = 0;
+
+	if (!rom_opregion.constructed()) {
+		try {
+			rom_opregion.construct(Lx_kit::env().env, "intel_opregion");
+
+			Dataspace_client ds_client(rom_opregion->cap());
+
+			auto mem_local = rom_opregion->local_addr<char>();
+			opregion_start = *(addr_t*)(mem_local + ds_client.size() - sizeof(addr_t) * 2);
+			opregion_size  = *(addr_t*)(mem_local + ds_client.size() - sizeof(addr_t));
+
+			if (opregion_size > ds_client.size())
+				opregion_size = ds_client.size();
+		} catch (...) {
+			error("Intel opregion ROM lookup failed");
+			if (rom_opregion.constructed())
+				rom_opregion.destruct();
+			return nullptr;
+		}
+	}
+
+	if ((opregion_start <= phys) &&
+	    (phys + size <= opregion_start + opregion_size)) {
+
+		try {
+			auto ptr = ((addr_t)rom_opregion->local_addr<void>())
+			           + (phys - opregion_start) + (phys & 0xffful);
+			return (void *)ptr;
+		} catch (...) {
+			error("Intel opregion lookup failed");
+			return nullptr;
+		}
+	}
+
+	warning("Unknown memremap range ", Hex_range(phys, size));
+
+	return nullptr;
+}
diff --git a/repos/pc/src/drivers/framebuffer/intel/pc/target.inc b/repos/pc/src/drivers/framebuffer/intel/pc/target.inc
index ef119180c2..235ce2e1b5 100644
--- a/repos/pc/src/drivers/framebuffer/intel/pc/target.inc
+++ b/repos/pc/src/drivers/framebuffer/intel/pc/target.inc
@@ -11,6 +11,7 @@ INC_DIR += $(REL_PRG_DIR)/shadow
 SRC_CC  += main.cc
 SRC_CC  += misc.cc
 SRC_CC  += emul.cc
+SRC_CC  += opregion_io_mem.cc
 SRC_C   += dummies.c
 SRC_C   += lx_emul.c
 SRC_C   += $(notdir $(wildcard $(REL_PRG_DIR)/generated_dummies.c))