Adding upstream version 6.8.9.upstream/6.8.9

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

20 files changed, 2267 insertions, 0 deletions

diff --git a/drivers/gpu/drm/xe/tests/Makefile b/drivers/gpu/drm/xe/tests/Makefile
new file mode 100644
index 000000000..39d8a0892
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_DRM_XE_KUNIT_TEST) += \
+	xe_bo_test.o \
+	xe_dma_buf_test.o \
+	xe_migrate_test.o \
+	xe_mocs_test.o \
+	xe_pci_test.o \
+	xe_rtp_test.o \
+	xe_wa_test.o
diff --git a/drivers/gpu/drm/xe/tests/xe_bo.c b/drivers/gpu/drm/xe/tests/xe_bo.c
new file mode 100644
index 000000000..3436fd9cf
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_bo.c
@@ -0,0 +1,352 @@
+// SPDX-License-Identifier: GPL-2.0 AND MIT
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include <kunit/test.h>
+#include <kunit/visibility.h>
+
+#include "tests/xe_bo_test.h"
+#include "tests/xe_pci_test.h"
+#include "tests/xe_test.h"
+
+#include "xe_bo_evict.h"
+#include "xe_pci.h"
+#include "xe_pm.h"
+
+static int ccs_test_migrate(struct xe_tile *tile, struct xe_bo *bo,
+			    bool clear, u64 get_val, u64 assign_val,
+			    struct kunit *test)
+{
+	struct dma_fence *fence;
+	struct ttm_tt *ttm;
+	struct page *page;
+	pgoff_t ccs_page;
+	long timeout;
+	u64 *cpu_map;
+	int ret;
+	u32 offset;
+
+	/* Move bo to VRAM if not already there. */
+	ret = xe_bo_validate(bo, NULL, false);
+	if (ret) {
+		KUNIT_FAIL(test, "Failed to validate bo.\n");
+		return ret;
+	}
+
+	/* Optionally clear bo *and* CCS data in VRAM. */
+	if (clear) {
+		fence = xe_migrate_clear(tile->migrate, bo, bo->ttm.resource);
+		if (IS_ERR(fence)) {
+			KUNIT_FAIL(test, "Failed to submit bo clear.\n");
+			return PTR_ERR(fence);
+		}
+		dma_fence_put(fence);
+	}
+
+	/* Evict to system. CCS data should be copied. */
+	ret = xe_bo_evict(bo, true);
+	if (ret) {
+		KUNIT_FAIL(test, "Failed to evict bo.\n");
+		return ret;
+	}
+
+	/* Sync all migration blits */
+	timeout = dma_resv_wait_timeout(bo->ttm.base.resv,
+					DMA_RESV_USAGE_KERNEL,
+					true,
+					5 * HZ);
+	if (timeout <= 0) {
+		KUNIT_FAIL(test, "Failed to sync bo eviction.\n");
+		return -ETIME;
+	}
+
+	/*
+	 * Bo with CCS data is now in system memory. Verify backing store
+	 * and data integrity. Then assign for the next testing round while
+	 * we still have a CPU map.
+	 */
+	ttm = bo->ttm.ttm;
+	if (!ttm || !ttm_tt_is_populated(ttm)) {
+		KUNIT_FAIL(test, "Bo was not in expected placement.\n");
+		return -EINVAL;
+	}
+
+	ccs_page = xe_bo_ccs_pages_start(bo) >> PAGE_SHIFT;
+	if (ccs_page >= ttm->num_pages) {
+		KUNIT_FAIL(test, "No TTM CCS pages present.\n");
+		return -EINVAL;
+	}
+
+	page = ttm->pages[ccs_page];
+	cpu_map = kmap_local_page(page);
+
+	/* Check first CCS value */
+	if (cpu_map[0] != get_val) {
+		KUNIT_FAIL(test,
+			   "Expected CCS readout 0x%016llx, got 0x%016llx.\n",
+			   (unsigned long long)get_val,
+			   (unsigned long long)cpu_map[0]);
+		ret = -EINVAL;
+	}
+
+	/* Check last CCS value, or at least last value in page. */
+	offset = xe_device_ccs_bytes(tile_to_xe(tile), bo->size);
+	offset = min_t(u32, offset, PAGE_SIZE) / sizeof(u64) - 1;
+	if (cpu_map[offset] != get_val) {
+		KUNIT_FAIL(test,
+			   "Expected CCS readout 0x%016llx, got 0x%016llx.\n",
+			   (unsigned long long)get_val,
+			   (unsigned long long)cpu_map[offset]);
+		ret = -EINVAL;
+	}
+
+	cpu_map[0] = assign_val;
+	cpu_map[offset] = assign_val;
+	kunmap_local(cpu_map);
+
+	return ret;
+}
+
+static void ccs_test_run_tile(struct xe_device *xe, struct xe_tile *tile,
+			      struct kunit *test)
+{
+	struct xe_bo *bo;
+
+	int ret;
+
+	/* TODO: Sanity check */
+	unsigned int bo_flags = XE_BO_CREATE_VRAM_IF_DGFX(tile);
+
+	if (IS_DGFX(xe))
+		kunit_info(test, "Testing vram id %u\n", tile->id);
+	else
+		kunit_info(test, "Testing system memory\n");
+
+	bo = xe_bo_create_user(xe, NULL, NULL, SZ_1M, DRM_XE_GEM_CPU_CACHING_WC,
+			       ttm_bo_type_device, bo_flags);
+	if (IS_ERR(bo)) {
+		KUNIT_FAIL(test, "Failed to create bo.\n");
+		return;
+	}
+
+	xe_bo_lock(bo, false);
+
+	kunit_info(test, "Verifying that CCS data is cleared on creation.\n");
+	ret = ccs_test_migrate(tile, bo, false, 0ULL, 0xdeadbeefdeadbeefULL,
+			       test);
+	if (ret)
+		goto out_unlock;
+
+	kunit_info(test, "Verifying that CCS data survives migration.\n");
+	ret = ccs_test_migrate(tile, bo, false, 0xdeadbeefdeadbeefULL,
+			       0xdeadbeefdeadbeefULL, test);
+	if (ret)
+		goto out_unlock;
+
+	kunit_info(test, "Verifying that CCS data can be properly cleared.\n");
+	ret = ccs_test_migrate(tile, bo, true, 0ULL, 0ULL, test);
+
+out_unlock:
+	xe_bo_unlock(bo);
+	xe_bo_put(bo);
+}
+
+static int ccs_test_run_device(struct xe_device *xe)
+{
+	struct kunit *test = xe_cur_kunit();
+	struct xe_tile *tile;
+	int id;
+
+	if (!xe_device_has_flat_ccs(xe)) {
+		kunit_info(test, "Skipping non-flat-ccs device.\n");
+		return 0;
+	}
+
+	xe_device_mem_access_get(xe);
+
+	for_each_tile(tile, xe, id) {
+		/* For igfx run only for primary tile */
+		if (!IS_DGFX(xe) && id > 0)
+			continue;
+		ccs_test_run_tile(xe, tile, test);
+	}
+
+	xe_device_mem_access_put(xe);
+
+	return 0;
+}
+
+void xe_ccs_migrate_kunit(struct kunit *test)
+{
+	xe_call_for_each_device(ccs_test_run_device);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_ccs_migrate_kunit);
+
+static int evict_test_run_tile(struct xe_device *xe, struct xe_tile *tile, struct kunit *test)
+{
+	struct xe_bo *bo, *external;
+	unsigned int bo_flags = XE_BO_CREATE_VRAM_IF_DGFX(tile);
+	struct xe_vm *vm = xe_migrate_get_vm(xe_device_get_root_tile(xe)->migrate);
+	struct xe_gt *__gt;
+	int err, i, id;
+
+	kunit_info(test, "Testing device %s vram id %u\n",
+		   dev_name(xe->drm.dev), tile->id);
+
+	for (i = 0; i < 2; ++i) {
+		xe_vm_lock(vm, false);
+		bo = xe_bo_create_user(xe, NULL, vm, 0x10000,
+				       DRM_XE_GEM_CPU_CACHING_WC,
+				       ttm_bo_type_device,
+				       bo_flags);
+		xe_vm_unlock(vm);
+		if (IS_ERR(bo)) {
+			KUNIT_FAIL(test, "bo create err=%pe\n", bo);
+			break;
+		}
+
+		external = xe_bo_create_user(xe, NULL, NULL, 0x10000,
+					     DRM_XE_GEM_CPU_CACHING_WC,
+					     ttm_bo_type_device, bo_flags);
+		if (IS_ERR(external)) {
+			KUNIT_FAIL(test, "external bo create err=%pe\n", external);
+			goto cleanup_bo;
+		}
+
+		xe_bo_lock(external, false);
+		err = xe_bo_pin_external(external);
+		xe_bo_unlock(external);
+		if (err) {
+			KUNIT_FAIL(test, "external bo pin err=%pe\n",
+				   ERR_PTR(err));
+			goto cleanup_external;
+		}
+
+		err = xe_bo_evict_all(xe);
+		if (err) {
+			KUNIT_FAIL(test, "evict err=%pe\n", ERR_PTR(err));
+			goto cleanup_all;
+		}
+
+		for_each_gt(__gt, xe, id)
+			xe_gt_sanitize(__gt);
+		err = xe_bo_restore_kernel(xe);
+		/*
+		 * Snapshotting the CTB and copying back a potentially old
+		 * version seems risky, depending on what might have been
+		 * inflight. Also it seems snapshotting the ADS object and
+		 * copying back results in serious breakage. Normally when
+		 * calling xe_bo_restore_kernel() we always fully restart the
+		 * GT, which re-intializes such things.  We could potentially
+		 * skip saving and restoring such objects in xe_bo_evict_all()
+		 * however seems quite fragile not to also restart the GT. Try
+		 * to do that here by triggering a GT reset.
+		 */
+		for_each_gt(__gt, xe, id) {
+			xe_gt_reset_async(__gt);
+			flush_work(&__gt->reset.worker);
+		}
+		if (err) {
+			KUNIT_FAIL(test, "restore kernel err=%pe\n",
+				   ERR_PTR(err));
+			goto cleanup_all;
+		}
+
+		err = xe_bo_restore_user(xe);
+		if (err) {
+			KUNIT_FAIL(test, "restore user err=%pe\n", ERR_PTR(err));
+			goto cleanup_all;
+		}
+
+		if (!xe_bo_is_vram(external)) {
+			KUNIT_FAIL(test, "external bo is not vram\n");
+			err = -EPROTO;
+			goto cleanup_all;
+		}
+
+		if (xe_bo_is_vram(bo)) {
+			KUNIT_FAIL(test, "bo is vram\n");
+			err = -EPROTO;
+			goto cleanup_all;
+		}
+
+		if (i) {
+			down_read(&vm->lock);
+			xe_vm_lock(vm, false);
+			err = xe_bo_validate(bo, bo->vm, false);
+			xe_vm_unlock(vm);
+			up_read(&vm->lock);
+			if (err) {
+				KUNIT_FAIL(test, "bo valid err=%pe\n",
+					   ERR_PTR(err));
+				goto cleanup_all;
+			}
+			xe_bo_lock(external, false);
+			err = xe_bo_validate(external, NULL, false);
+			xe_bo_unlock(external);
+			if (err) {
+				KUNIT_FAIL(test, "external bo valid err=%pe\n",
+					   ERR_PTR(err));
+				goto cleanup_all;
+			}
+		}
+
+		xe_bo_lock(external, false);
+		xe_bo_unpin_external(external);
+		xe_bo_unlock(external);
+
+		xe_bo_put(external);
+
+		xe_bo_lock(bo, false);
+		__xe_bo_unset_bulk_move(bo);
+		xe_bo_unlock(bo);
+		xe_bo_put(bo);
+		continue;
+
+cleanup_all:
+		xe_bo_lock(external, false);
+		xe_bo_unpin_external(external);
+		xe_bo_unlock(external);
+cleanup_external:
+		xe_bo_put(external);
+cleanup_bo:
+		xe_bo_lock(bo, false);
+		__xe_bo_unset_bulk_move(bo);
+		xe_bo_unlock(bo);
+		xe_bo_put(bo);
+		break;
+	}
+
+	xe_vm_put(vm);
+
+	return 0;
+}
+
+static int evict_test_run_device(struct xe_device *xe)
+{
+	struct kunit *test = xe_cur_kunit();
+	struct xe_tile *tile;
+	int id;
+
+	if (!IS_DGFX(xe)) {
+		kunit_info(test, "Skipping non-discrete device %s.\n",
+			   dev_name(xe->drm.dev));
+		return 0;
+	}
+
+	xe_device_mem_access_get(xe);
+
+	for_each_tile(tile, xe, id)
+		evict_test_run_tile(xe, tile, test);
+
+	xe_device_mem_access_put(xe);
+
+	return 0;
+}
+
+void xe_bo_evict_kunit(struct kunit *test)
+{
+	xe_call_for_each_device(evict_test_run_device);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_bo_evict_kunit);
diff --git a/drivers/gpu/drm/xe/tests/xe_bo_test.c b/drivers/gpu/drm/xe/tests/xe_bo_test.c
new file mode 100644
index 000000000..f408f17f2
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_bo_test.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include "xe_bo_test.h"
+
+#include <kunit/test.h>
+
+static struct kunit_case xe_bo_tests[] = {
+	KUNIT_CASE(xe_ccs_migrate_kunit),
+	KUNIT_CASE(xe_bo_evict_kunit),
+	{}
+};
+
+static struct kunit_suite xe_bo_test_suite = {
+	.name = "xe_bo",
+	.test_cases = xe_bo_tests,
+};
+
+kunit_test_suite(xe_bo_test_suite);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("xe_bo kunit test");
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
diff --git a/drivers/gpu/drm/xe/tests/xe_bo_test.h b/drivers/gpu/drm/xe/tests/xe_bo_test.h
new file mode 100644
index 000000000..0113ab450
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_bo_test.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 AND MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_BO_TEST_H_
+#define _XE_BO_TEST_H_
+
+struct kunit;
+
+void xe_ccs_migrate_kunit(struct kunit *test);
+void xe_bo_evict_kunit(struct kunit *test);
+
+#endif
diff --git a/drivers/gpu/drm/xe/tests/xe_dma_buf.c b/drivers/gpu/drm/xe/tests/xe_dma_buf.c
new file mode 100644
index 000000000..9f6d571d7
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_dma_buf.c
@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: GPL-2.0 AND MIT
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include <drm/xe_drm.h>
+
+#include <kunit/test.h>
+#include <kunit/visibility.h>
+
+#include "tests/xe_dma_buf_test.h"
+#include "tests/xe_pci_test.h"
+
+#include "xe_pci.h"
+
+static bool p2p_enabled(struct dma_buf_test_params *params)
+{
+	return IS_ENABLED(CONFIG_PCI_P2PDMA) && params->attach_ops &&
+		params->attach_ops->allow_peer2peer;
+}
+
+static bool is_dynamic(struct dma_buf_test_params *params)
+{
+	return IS_ENABLED(CONFIG_DMABUF_MOVE_NOTIFY) && params->attach_ops &&
+		params->attach_ops->move_notify;
+}
+
+static void check_residency(struct kunit *test, struct xe_bo *exported,
+			    struct xe_bo *imported, struct dma_buf *dmabuf)
+{
+	struct dma_buf_test_params *params = to_dma_buf_test_params(test->priv);
+	u32 mem_type;
+	int ret;
+
+	xe_bo_assert_held(exported);
+	xe_bo_assert_held(imported);
+
+	mem_type = XE_PL_VRAM0;
+	if (!(params->mem_mask & XE_BO_CREATE_VRAM0_BIT))
+		/* No VRAM allowed */
+		mem_type = XE_PL_TT;
+	else if (params->force_different_devices && !p2p_enabled(params))
+		/* No P2P */
+		mem_type = XE_PL_TT;
+	else if (params->force_different_devices && !is_dynamic(params) &&
+		 (params->mem_mask & XE_BO_CREATE_SYSTEM_BIT))
+		/* Pin migrated to TT */
+		mem_type = XE_PL_TT;
+
+	if (!xe_bo_is_mem_type(exported, mem_type)) {
+		KUNIT_FAIL(test, "Exported bo was not in expected memory type.\n");
+		return;
+	}
+
+	if (xe_bo_is_pinned(exported))
+		return;
+
+	/*
+	 * Evict exporter. Note that the gem object dma_buf member isn't
+	 * set from xe_gem_prime_export(), and it's needed for the move_notify()
+	 * functionality, so hack that up here. Evicting the exported bo will
+	 * evict also the imported bo through the move_notify() functionality if
+	 * importer is on a different device. If they're on the same device,
+	 * the exporter and the importer should be the same bo.
+	 */
+	swap(exported->ttm.base.dma_buf, dmabuf);
+	ret = xe_bo_evict(exported, true);
+	swap(exported->ttm.base.dma_buf, dmabuf);
+	if (ret) {
+		if (ret != -EINTR && ret != -ERESTARTSYS)
+			KUNIT_FAIL(test, "Evicting exporter failed with err=%d.\n",
+				   ret);
+		return;
+	}
+
+	/* Verify that also importer has been evicted to SYSTEM */
+	if (exported != imported && !xe_bo_is_mem_type(imported, XE_PL_SYSTEM)) {
+		KUNIT_FAIL(test, "Importer wasn't properly evicted.\n");
+		return;
+	}
+
+	/* Re-validate the importer. This should move also exporter in. */
+	ret = xe_bo_validate(imported, NULL, false);
+	if (ret) {
+		if (ret != -EINTR && ret != -ERESTARTSYS)
+			KUNIT_FAIL(test, "Validating importer failed with err=%d.\n",
+				   ret);
+		return;
+	}
+
+	/*
+	 * If on different devices, the exporter is kept in system  if
+	 * possible, saving a migration step as the transfer is just
+	 * likely as fast from system memory.
+	 */
+	if (params->mem_mask & XE_BO_CREATE_SYSTEM_BIT)
+		KUNIT_EXPECT_TRUE(test, xe_bo_is_mem_type(exported, XE_PL_TT));
+	else
+		KUNIT_EXPECT_TRUE(test, xe_bo_is_mem_type(exported, mem_type));
+
+	if (params->force_different_devices)
+		KUNIT_EXPECT_TRUE(test, xe_bo_is_mem_type(imported, XE_PL_TT));
+	else
+		KUNIT_EXPECT_TRUE(test, exported == imported);
+}
+
+static void xe_test_dmabuf_import_same_driver(struct xe_device *xe)
+{
+	struct kunit *test = xe_cur_kunit();
+	struct dma_buf_test_params *params = to_dma_buf_test_params(test->priv);
+	struct drm_gem_object *import;
+	struct dma_buf *dmabuf;
+	struct xe_bo *bo;
+	size_t size;
+
+	/* No VRAM on this device? */
+	if (!ttm_manager_type(&xe->ttm, XE_PL_VRAM0) &&
+	    (params->mem_mask & XE_BO_CREATE_VRAM0_BIT))
+		return;
+
+	size = PAGE_SIZE;
+	if ((params->mem_mask & XE_BO_CREATE_VRAM0_BIT) &&
+	    xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K)
+		size = SZ_64K;
+
+	kunit_info(test, "running %s\n", __func__);
+	bo = xe_bo_create_user(xe, NULL, NULL, size, DRM_XE_GEM_CPU_CACHING_WC,
+			       ttm_bo_type_device, XE_BO_CREATE_USER_BIT | params->mem_mask);
+	if (IS_ERR(bo)) {
+		KUNIT_FAIL(test, "xe_bo_create() failed with err=%ld\n",
+			   PTR_ERR(bo));
+		return;
+	}
+
+	dmabuf = xe_gem_prime_export(&bo->ttm.base, 0);
+	if (IS_ERR(dmabuf)) {
+		KUNIT_FAIL(test, "xe_gem_prime_export() failed with err=%ld\n",
+			   PTR_ERR(dmabuf));
+		goto out;
+	}
+
+	import = xe_gem_prime_import(&xe->drm, dmabuf);
+	if (!IS_ERR(import)) {
+		struct xe_bo *import_bo = gem_to_xe_bo(import);
+
+		/*
+		 * Did import succeed when it shouldn't due to lack of p2p support?
+		 */
+		if (params->force_different_devices &&
+		    !p2p_enabled(params) &&
+		    !(params->mem_mask & XE_BO_CREATE_SYSTEM_BIT)) {
+			KUNIT_FAIL(test,
+				   "xe_gem_prime_import() succeeded when it shouldn't have\n");
+		} else {
+			int err;
+
+			/* Is everything where we expect it to be? */
+			xe_bo_lock(import_bo, false);
+			err = xe_bo_validate(import_bo, NULL, false);
+
+			/* Pinning in VRAM is not allowed. */
+			if (!is_dynamic(params) &&
+			    params->force_different_devices &&
+			    !(params->mem_mask & XE_BO_CREATE_SYSTEM_BIT))
+				KUNIT_EXPECT_EQ(test, err, -EINVAL);
+			/* Otherwise only expect interrupts or success. */
+			else if (err && err != -EINTR && err != -ERESTARTSYS)
+				KUNIT_EXPECT_TRUE(test, !err || err == -EINTR ||
+						  err == -ERESTARTSYS);
+
+			if (!err)
+				check_residency(test, bo, import_bo, dmabuf);
+			xe_bo_unlock(import_bo);
+		}
+		drm_gem_object_put(import);
+	} else if (PTR_ERR(import) != -EOPNOTSUPP) {
+		/* Unexpected error code. */
+		KUNIT_FAIL(test,
+			   "xe_gem_prime_import failed with the wrong err=%ld\n",
+			   PTR_ERR(import));
+	} else if (!params->force_different_devices ||
+		   p2p_enabled(params) ||
+		   (params->mem_mask & XE_BO_CREATE_SYSTEM_BIT)) {
+		/* Shouldn't fail if we can reuse same bo, use p2p or use system */
+		KUNIT_FAIL(test, "dynamic p2p attachment failed with err=%ld\n",
+			   PTR_ERR(import));
+	}
+	dma_buf_put(dmabuf);
+out:
+	drm_gem_object_put(&bo->ttm.base);
+}
+
+static const struct dma_buf_attach_ops nop2p_attach_ops = {
+	.allow_peer2peer = false,
+	.move_notify = xe_dma_buf_move_notify
+};
+
+/*
+ * We test the implementation with bos of different residency and with
+ * importers with different capabilities; some lacking p2p support and some
+ * lacking dynamic capabilities (attach_ops == NULL). We also fake
+ * different devices avoiding the import shortcut that just reuses the same
+ * gem object.
+ */
+static const struct dma_buf_test_params test_params[] = {
+	{.mem_mask = XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &xe_dma_buf_attach_ops},
+	{.mem_mask = XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &xe_dma_buf_attach_ops,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &nop2p_attach_ops},
+	{.mem_mask = XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &nop2p_attach_ops,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_VRAM0_BIT},
+	{.mem_mask = XE_BO_CREATE_VRAM0_BIT,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT,
+	 .attach_ops = &xe_dma_buf_attach_ops},
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT,
+	 .attach_ops = &xe_dma_buf_attach_ops,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT,
+	 .attach_ops = &nop2p_attach_ops},
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT,
+	 .attach_ops = &nop2p_attach_ops,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT},
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT | XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &xe_dma_buf_attach_ops},
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT | XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &xe_dma_buf_attach_ops,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT | XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &nop2p_attach_ops},
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT | XE_BO_CREATE_VRAM0_BIT,
+	 .attach_ops = &nop2p_attach_ops,
+	 .force_different_devices = true},
+
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT | XE_BO_CREATE_VRAM0_BIT},
+	{.mem_mask = XE_BO_CREATE_SYSTEM_BIT | XE_BO_CREATE_VRAM0_BIT,
+	 .force_different_devices = true},
+
+	{}
+};
+
+static int dma_buf_run_device(struct xe_device *xe)
+{
+	const struct dma_buf_test_params *params;
+	struct kunit *test = xe_cur_kunit();
+
+	for (params = test_params; params->mem_mask; ++params) {
+		struct dma_buf_test_params p = *params;
+
+		p.base.id = XE_TEST_LIVE_DMA_BUF;
+		test->priv = &p;
+		xe_test_dmabuf_import_same_driver(xe);
+	}
+
+	/* A non-zero return would halt iteration over driver devices */
+	return 0;
+}
+
+void xe_dma_buf_kunit(struct kunit *test)
+{
+	xe_call_for_each_device(dma_buf_run_device);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_dma_buf_kunit);
diff --git a/drivers/gpu/drm/xe/tests/xe_dma_buf_test.c b/drivers/gpu/drm/xe/tests/xe_dma_buf_test.c
new file mode 100644
index 000000000..9f5a9cda8
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_dma_buf_test.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include "xe_dma_buf_test.h"
+
+#include <kunit/test.h>
+
+static struct kunit_case xe_dma_buf_tests[] = {
+	KUNIT_CASE(xe_dma_buf_kunit),
+	{}
+};
+
+static struct kunit_suite xe_dma_buf_test_suite = {
+	.name = "xe_dma_buf",
+	.test_cases = xe_dma_buf_tests,
+};
+
+kunit_test_suite(xe_dma_buf_test_suite);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("xe_dma_buf kunit test");
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
diff --git a/drivers/gpu/drm/xe/tests/xe_dma_buf_test.h b/drivers/gpu/drm/xe/tests/xe_dma_buf_test.h
new file mode 100644
index 000000000..e6b464ddd
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_dma_buf_test.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 AND MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_DMA_BUF_TEST_H_
+#define _XE_DMA_BUF_TEST_H_
+
+struct kunit;
+
+void xe_dma_buf_kunit(struct kunit *test);
+
+#endif
diff --git a/drivers/gpu/drm/xe/tests/xe_lmtt_test.c b/drivers/gpu/drm/xe/tests/xe_lmtt_test.c
new file mode 100644
index 000000000..1f1557c45
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_lmtt_test.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0 AND MIT
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include <kunit/test.h>
+
+static const struct lmtt_ops_param {
+	const char *desc;
+	const struct xe_lmtt_ops *ops;
+} lmtt_ops_params[] = {
+	{ "2-level", &lmtt_2l_ops, },
+	{ "multi-level", &lmtt_ml_ops, },
+};
+
+static void lmtt_ops_param_get_desc(const struct lmtt_ops_param *p, char *desc)
+{
+	snprintf(desc, KUNIT_PARAM_DESC_SIZE, "%s", p->desc);
+}
+
+KUNIT_ARRAY_PARAM(lmtt_ops, lmtt_ops_params, lmtt_ops_param_get_desc);
+
+static void test_ops(struct kunit *test)
+{
+	const struct lmtt_ops_param *p = test->param_value;
+	const struct xe_lmtt_ops *ops = p->ops;
+	unsigned int n;
+
+	KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_root_pd_level);
+	KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_num);
+	KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_size);
+	KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_shift);
+	KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_index);
+	KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_encode);
+
+	KUNIT_EXPECT_NE(test, ops->lmtt_root_pd_level(), 0);
+
+	for (n = 0; n <= ops->lmtt_root_pd_level(); n++) {
+		KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_num(n), 0,
+				    "level=%u", n);
+		KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_size(n), 0,
+				    "level=%u", n);
+		KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_encode(0, n), LMTT_PTE_INVALID,
+				    "level=%u", n);
+	}
+
+	for (n = 0; n < ops->lmtt_root_pd_level(); n++) {
+		u64 addr = BIT_ULL(ops->lmtt_pte_shift(n));
+
+		KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_shift(n), 0,
+				    "level=%u", n);
+		KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr - 1, n), 0,
+				    "addr=%#llx level=%u", addr, n);
+		KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr + 1, n), 1,
+				    "addr=%#llx level=%u", addr, n);
+		KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr * 2 - 1, n), 1,
+				    "addr=%#llx level=%u", addr, n);
+		KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr * 2, n), 2,
+				    "addr=%#llx level=%u", addr, n);
+	}
+}
+
+static struct kunit_case lmtt_test_cases[] = {
+	KUNIT_CASE_PARAM(test_ops, lmtt_ops_gen_params),
+	{}
+};
+
+static struct kunit_suite lmtt_suite = {
+	.name = "lmtt",
+	.test_cases = lmtt_test_cases,
+};
+
+kunit_test_suites(&lmtt_suite);
diff --git a/drivers/gpu/drm/xe/tests/xe_migrate.c b/drivers/gpu/drm/xe/tests/xe_migrate.c
new file mode 100644
index 000000000..c347e2c29
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_migrate.c
@@ -0,0 +1,444 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020-2022 Intel Corporation
+ */
+
+#include <kunit/test.h>
+#include <kunit/visibility.h>
+
+#include "tests/xe_migrate_test.h"
+#include "tests/xe_pci_test.h"
+
+#include "xe_pci.h"
+
+static bool sanity_fence_failed(struct xe_device *xe, struct dma_fence *fence,
+				const char *str, struct kunit *test)
+{
+	long ret;
+
+	if (IS_ERR(fence)) {
+		KUNIT_FAIL(test, "Failed to create fence for %s: %li\n", str,
+			   PTR_ERR(fence));
+		return true;
+	}
+	if (!fence)
+		return true;
+
+	ret = dma_fence_wait_timeout(fence, false, 5 * HZ);
+	if (ret <= 0) {
+		KUNIT_FAIL(test, "Fence timed out for %s: %li\n", str, ret);
+		return true;
+	}
+
+	return false;
+}
+
+static int run_sanity_job(struct xe_migrate *m, struct xe_device *xe,
+			  struct xe_bb *bb, u32 second_idx, const char *str,
+			  struct kunit *test)
+{
+	u64 batch_base = xe_migrate_batch_base(m, xe->info.has_usm);
+	struct xe_sched_job *job = xe_bb_create_migration_job(m->q, bb,
+							      batch_base,
+							      second_idx);
+	struct dma_fence *fence;
+
+	if (IS_ERR(job)) {
+		KUNIT_FAIL(test, "Failed to allocate fake pt: %li\n",
+			   PTR_ERR(job));
+		return PTR_ERR(job);
+	}
+
+	xe_sched_job_arm(job);
+	fence = dma_fence_get(&job->drm.s_fence->finished);
+	xe_sched_job_push(job);
+
+	if (sanity_fence_failed(xe, fence, str, test))
+		return -ETIMEDOUT;
+
+	dma_fence_put(fence);
+	kunit_info(test, "%s: Job completed\n", str);
+	return 0;
+}
+
+static void
+sanity_populate_cb(struct xe_migrate_pt_update *pt_update,
+		   struct xe_tile *tile, struct iosys_map *map, void *dst,
+		   u32 qword_ofs, u32 num_qwords,
+		   const struct xe_vm_pgtable_update *update)
+{
+	struct migrate_test_params *p =
+		to_migrate_test_params(xe_cur_kunit_priv(XE_TEST_LIVE_MIGRATE));
+	int i;
+	u64 *ptr = dst;
+	u64 value;
+
+	for (i = 0; i < num_qwords; i++) {
+		value = (qword_ofs + i - update->ofs) * 0x1111111111111111ULL;
+		if (map)
+			xe_map_wr(tile_to_xe(tile), map, (qword_ofs + i) *
+				  sizeof(u64), u64, value);
+		else
+			ptr[i] = value;
+	}
+
+	kunit_info(xe_cur_kunit(), "Used %s.\n", map ? "CPU" : "GPU");
+	if (p->force_gpu && map)
+		KUNIT_FAIL(xe_cur_kunit(), "GPU pagetable update used CPU.\n");
+}
+
+static const struct xe_migrate_pt_update_ops sanity_ops = {
+	.populate = sanity_populate_cb,
+};
+
+#define check(_retval, _expected, str, _test)				\
+	do { if ((_retval) != (_expected)) {				\
+			KUNIT_FAIL(_test, "Sanity check failed: " str	\
+				   " expected %llx, got %llx\n",	\
+				   (u64)(_expected), (u64)(_retval));	\
+		} } while (0)
+
+static void test_copy(struct xe_migrate *m, struct xe_bo *bo,
+		      struct kunit *test, u32 region)
+{
+	struct xe_device *xe = tile_to_xe(m->tile);
+	u64 retval, expected = 0;
+	bool big = bo->size >= SZ_2M;
+	struct dma_fence *fence;
+	const char *str = big ? "Copying big bo" : "Copying small bo";
+	int err;
+
+	struct xe_bo *remote = xe_bo_create_locked(xe, m->tile, NULL,
+						   bo->size,
+						   ttm_bo_type_kernel,
+						   region |
+						   XE_BO_NEEDS_CPU_ACCESS);
+	if (IS_ERR(remote)) {
+		KUNIT_FAIL(test, "Failed to allocate remote bo for %s: %pe\n",
+			   str, remote);
+		return;
+	}
+
+	err = xe_bo_validate(remote, NULL, false);
+	if (err) {
+		KUNIT_FAIL(test, "Failed to validate system bo for %s: %i\n",
+			   str, err);
+		goto out_unlock;
+	}
+
+	err = xe_bo_vmap(remote);
+	if (err) {
+		KUNIT_FAIL(test, "Failed to vmap system bo for %s: %i\n",
+			   str, err);
+		goto out_unlock;
+	}
+
+	xe_map_memset(xe, &remote->vmap, 0, 0xd0, remote->size);
+	fence = xe_migrate_clear(m, remote, remote->ttm.resource);
+	if (!sanity_fence_failed(xe, fence, big ? "Clearing remote big bo" :
+				 "Clearing remote small bo", test)) {
+		retval = xe_map_rd(xe, &remote->vmap, 0, u64);
+		check(retval, expected, "remote first offset should be cleared",
+		      test);
+		retval = xe_map_rd(xe, &remote->vmap, remote->size - 8, u64);
+		check(retval, expected, "remote last offset should be cleared",
+		      test);
+	}
+	dma_fence_put(fence);
+
+	/* Try to copy 0xc0 from remote to vram with 2MB or 64KiB/4KiB pages */
+	xe_map_memset(xe, &remote->vmap, 0, 0xc0, remote->size);
+	xe_map_memset(xe, &bo->vmap, 0, 0xd0, bo->size);
+
+	expected = 0xc0c0c0c0c0c0c0c0;
+	fence = xe_migrate_copy(m, remote, bo, remote->ttm.resource,
+				bo->ttm.resource, false);
+	if (!sanity_fence_failed(xe, fence, big ? "Copying big bo remote -> vram" :
+				 "Copying small bo remote -> vram", test)) {
+		retval = xe_map_rd(xe, &bo->vmap, 0, u64);
+		check(retval, expected,
+		      "remote -> vram bo first offset should be copied", test);
+		retval = xe_map_rd(xe, &bo->vmap, bo->size - 8, u64);
+		check(retval, expected,
+		      "remote -> vram bo offset should be copied", test);
+	}
+	dma_fence_put(fence);
+
+	/* And other way around.. slightly hacky.. */
+	xe_map_memset(xe, &remote->vmap, 0, 0xd0, remote->size);
+	xe_map_memset(xe, &bo->vmap, 0, 0xc0, bo->size);
+
+	fence = xe_migrate_copy(m, bo, remote, bo->ttm.resource,
+				remote->ttm.resource, false);
+	if (!sanity_fence_failed(xe, fence, big ? "Copying big bo vram -> remote" :
+				 "Copying small bo vram -> remote", test)) {
+		retval = xe_map_rd(xe, &remote->vmap, 0, u64);
+		check(retval, expected,
+		      "vram -> remote bo first offset should be copied", test);
+		retval = xe_map_rd(xe, &remote->vmap, bo->size - 8, u64);
+		check(retval, expected,
+		      "vram -> remote bo last offset should be copied", test);
+	}
+	dma_fence_put(fence);
+
+	xe_bo_vunmap(remote);
+out_unlock:
+	xe_bo_unlock(remote);
+	xe_bo_put(remote);
+}
+
+static void test_copy_sysmem(struct xe_migrate *m, struct xe_bo *bo,
+			     struct kunit *test)
+{
+	test_copy(m, bo, test, XE_BO_CREATE_SYSTEM_BIT);
+}
+
+static void test_copy_vram(struct xe_migrate *m, struct xe_bo *bo,
+			   struct kunit *test)
+{
+	u32 region;
+
+	if (bo->ttm.resource->mem_type == XE_PL_SYSTEM)
+		return;
+
+	if (bo->ttm.resource->mem_type == XE_PL_VRAM0)
+		region = XE_BO_CREATE_VRAM1_BIT;
+	else
+		region = XE_BO_CREATE_VRAM0_BIT;
+	test_copy(m, bo, test, region);
+}
+
+static void test_pt_update(struct xe_migrate *m, struct xe_bo *pt,
+			   struct kunit *test, bool force_gpu)
+{
+	struct xe_device *xe = tile_to_xe(m->tile);
+	struct dma_fence *fence;
+	u64 retval, expected;
+	ktime_t then, now;
+	int i;
+
+	struct xe_vm_pgtable_update update = {
+		.ofs = 1,
+		.qwords = 0x10,
+		.pt_bo = pt,
+	};
+	struct xe_migrate_pt_update pt_update = {
+		.ops = &sanity_ops,
+	};
+	struct migrate_test_params p = {
+		.base.id = XE_TEST_LIVE_MIGRATE,
+		.force_gpu = force_gpu,
+	};
+
+	test->priv = &p;
+	/* Test xe_migrate_update_pgtables() updates the pagetable as expected */
+	expected = 0xf0f0f0f0f0f0f0f0ULL;
+	xe_map_memset(xe, &pt->vmap, 0, (u8)expected, pt->size);
+
+	then = ktime_get();
+	fence = xe_migrate_update_pgtables(m, m->q->vm, NULL, m->q, &update, 1,
+					   NULL, 0, &pt_update);
+	now = ktime_get();
+	if (sanity_fence_failed(xe, fence, "Migration pagetable update", test))
+		return;
+
+	kunit_info(test, "Updating without syncing took %llu us,\n",
+		   (unsigned long long)ktime_to_us(ktime_sub(now, then)));
+
+	dma_fence_put(fence);
+	retval = xe_map_rd(xe, &pt->vmap, 0, u64);
+	check(retval, expected, "PTE[0] must stay untouched", test);
+
+	for (i = 0; i < update.qwords; i++) {
+		retval = xe_map_rd(xe, &pt->vmap, (update.ofs + i) * 8, u64);
+		check(retval, i * 0x1111111111111111ULL, "PTE update", test);
+	}
+
+	retval = xe_map_rd(xe, &pt->vmap, 8 * (update.ofs + update.qwords),
+			   u64);
+	check(retval, expected, "PTE[0x11] must stay untouched", test);
+}
+
+static void xe_migrate_sanity_test(struct xe_migrate *m, struct kunit *test)
+{
+	struct xe_tile *tile = m->tile;
+	struct xe_device *xe = tile_to_xe(tile);
+	struct xe_bo *pt, *bo = m->pt_bo, *big, *tiny;
+	struct xe_res_cursor src_it;
+	struct dma_fence *fence;
+	u64 retval, expected;
+	struct xe_bb *bb;
+	int err;
+	u8 id = tile->id;
+
+	err = xe_bo_vmap(bo);
+	if (err) {
+		KUNIT_FAIL(test, "Failed to vmap our pagetables: %li\n",
+			   PTR_ERR(bo));
+		return;
+	}
+
+	big = xe_bo_create_pin_map(xe, tile, m->q->vm, SZ_4M,
+				   ttm_bo_type_kernel,
+				   XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+				   XE_BO_CREATE_PINNED_BIT);
+	if (IS_ERR(big)) {
+		KUNIT_FAIL(test, "Failed to allocate bo: %li\n", PTR_ERR(big));
+		goto vunmap;
+	}
+
+	pt = xe_bo_create_pin_map(xe, tile, m->q->vm, XE_PAGE_SIZE,
+				  ttm_bo_type_kernel,
+				  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+				  XE_BO_CREATE_PINNED_BIT);
+	if (IS_ERR(pt)) {
+		KUNIT_FAIL(test, "Failed to allocate fake pt: %li\n",
+			   PTR_ERR(pt));
+		goto free_big;
+	}
+
+	tiny = xe_bo_create_pin_map(xe, tile, m->q->vm,
+				    2 * SZ_4K,
+				    ttm_bo_type_kernel,
+				    XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+				    XE_BO_CREATE_PINNED_BIT);
+	if (IS_ERR(tiny)) {
+		KUNIT_FAIL(test, "Failed to allocate fake pt: %li\n",
+			   PTR_ERR(pt));
+		goto free_pt;
+	}
+
+	bb = xe_bb_new(tile->primary_gt, 32, xe->info.has_usm);
+	if (IS_ERR(bb)) {
+		KUNIT_FAIL(test, "Failed to create batchbuffer: %li\n",
+			   PTR_ERR(bb));
+		goto free_tiny;
+	}
+
+	kunit_info(test, "Starting tests, top level PT addr: %lx, special pagetable base addr: %lx\n",
+		   (unsigned long)xe_bo_main_addr(m->q->vm->pt_root[id]->bo, XE_PAGE_SIZE),
+		   (unsigned long)xe_bo_main_addr(m->pt_bo, XE_PAGE_SIZE));
+
+	/* First part of the test, are we updating our pagetable bo with a new entry? */
+	xe_map_wr(xe, &bo->vmap, XE_PAGE_SIZE * (NUM_KERNEL_PDE - 1), u64,
+		  0xdeaddeadbeefbeef);
+	expected = m->q->vm->pt_ops->pte_encode_bo(pt, 0, xe->pat.idx[XE_CACHE_WB], 0);
+	if (m->q->vm->flags & XE_VM_FLAG_64K)
+		expected |= XE_PTE_PS64;
+	if (xe_bo_is_vram(pt))
+		xe_res_first(pt->ttm.resource, 0, pt->size, &src_it);
+	else
+		xe_res_first_sg(xe_bo_sg(pt), 0, pt->size, &src_it);
+
+	emit_pte(m, bb, NUM_KERNEL_PDE - 1, xe_bo_is_vram(pt), false,
+		 &src_it, XE_PAGE_SIZE, pt->ttm.resource);
+
+	run_sanity_job(m, xe, bb, bb->len, "Writing PTE for our fake PT", test);
+
+	retval = xe_map_rd(xe, &bo->vmap, XE_PAGE_SIZE * (NUM_KERNEL_PDE - 1),
+			   u64);
+	check(retval, expected, "PTE entry write", test);
+
+	/* Now try to write data to our newly mapped 'pagetable', see if it succeeds */
+	bb->len = 0;
+	bb->cs[bb->len++] = MI_BATCH_BUFFER_END;
+	xe_map_wr(xe, &pt->vmap, 0, u32, 0xdeaddead);
+	expected = 0;
+
+	emit_clear(tile->primary_gt, bb, xe_migrate_vm_addr(NUM_KERNEL_PDE - 1, 0), 4, 4,
+		   IS_DGFX(xe));
+	run_sanity_job(m, xe, bb, 1, "Writing to our newly mapped pagetable",
+		       test);
+
+	retval = xe_map_rd(xe, &pt->vmap, 0, u32);
+	check(retval, expected, "Write to PT after adding PTE", test);
+
+	/* Sanity checks passed, try the full ones! */
+
+	/* Clear a small bo */
+	kunit_info(test, "Clearing small buffer object\n");
+	xe_map_memset(xe, &tiny->vmap, 0, 0x22, tiny->size);
+	expected = 0;
+	fence = xe_migrate_clear(m, tiny, tiny->ttm.resource);
+	if (sanity_fence_failed(xe, fence, "Clearing small bo", test))
+		goto out;
+
+	dma_fence_put(fence);
+	retval = xe_map_rd(xe, &tiny->vmap, 0, u32);
+	check(retval, expected, "Command clear small first value", test);
+	retval = xe_map_rd(xe, &tiny->vmap, tiny->size - 4, u32);
+	check(retval, expected, "Command clear small last value", test);
+
+	kunit_info(test, "Copying small buffer object to system\n");
+	test_copy_sysmem(m, tiny, test);
+	if (xe->info.tile_count > 1) {
+		kunit_info(test, "Copying small buffer object to other vram\n");
+		test_copy_vram(m, tiny, test);
+	}
+
+	/* Clear a big bo */
+	kunit_info(test, "Clearing big buffer object\n");
+	xe_map_memset(xe, &big->vmap, 0, 0x11, big->size);
+	expected = 0;
+	fence = xe_migrate_clear(m, big, big->ttm.resource);
+	if (sanity_fence_failed(xe, fence, "Clearing big bo", test))
+		goto out;
+
+	dma_fence_put(fence);
+	retval = xe_map_rd(xe, &big->vmap, 0, u32);
+	check(retval, expected, "Command clear big first value", test);
+	retval = xe_map_rd(xe, &big->vmap, big->size - 4, u32);
+	check(retval, expected, "Command clear big last value", test);
+
+	kunit_info(test, "Copying big buffer object to system\n");
+	test_copy_sysmem(m, big, test);
+	if (xe->info.tile_count > 1) {
+		kunit_info(test, "Copying big buffer object to other vram\n");
+		test_copy_vram(m, big, test);
+	}
+
+	kunit_info(test, "Testing page table update using CPU if GPU idle.\n");
+	test_pt_update(m, pt, test, false);
+	kunit_info(test, "Testing page table update using GPU\n");
+	test_pt_update(m, pt, test, true);
+
+out:
+	xe_bb_free(bb, NULL);
+free_tiny:
+	xe_bo_unpin(tiny);
+	xe_bo_put(tiny);
+free_pt:
+	xe_bo_unpin(pt);
+	xe_bo_put(pt);
+free_big:
+	xe_bo_unpin(big);
+	xe_bo_put(big);
+vunmap:
+	xe_bo_vunmap(m->pt_bo);
+}
+
+static int migrate_test_run_device(struct xe_device *xe)
+{
+	struct kunit *test = xe_cur_kunit();
+	struct xe_tile *tile;
+	int id;
+
+	for_each_tile(tile, xe, id) {
+		struct xe_migrate *m = tile->migrate;
+
+		kunit_info(test, "Testing tile id %d.\n", id);
+		xe_vm_lock(m->q->vm, true);
+		xe_device_mem_access_get(xe);
+		xe_migrate_sanity_test(m, test);
+		xe_device_mem_access_put(xe);
+		xe_vm_unlock(m->q->vm);
+	}
+
+	return 0;
+}
+
+void xe_migrate_sanity_kunit(struct kunit *test)
+{
+	xe_call_for_each_device(migrate_test_run_device);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_migrate_sanity_kunit);
diff --git a/drivers/gpu/drm/xe/tests/xe_migrate_test.c b/drivers/gpu/drm/xe/tests/xe_migrate_test.c
new file mode 100644
index 000000000..cf0c173b9
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_migrate_test.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include "xe_migrate_test.h"
+
+#include <kunit/test.h>
+
+static struct kunit_case xe_migrate_tests[] = {
+	KUNIT_CASE(xe_migrate_sanity_kunit),
+	{}
+};
+
+static struct kunit_suite xe_migrate_test_suite = {
+	.name = "xe_migrate",
+	.test_cases = xe_migrate_tests,
+};
+
+kunit_test_suite(xe_migrate_test_suite);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("xe_migrate kunit test");
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
diff --git a/drivers/gpu/drm/xe/tests/xe_migrate_test.h b/drivers/gpu/drm/xe/tests/xe_migrate_test.h
new file mode 100644
index 000000000..7c645c668
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_migrate_test.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 AND MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_MIGRATE_TEST_H_
+#define _XE_MIGRATE_TEST_H_
+
+struct kunit;
+
+void xe_migrate_sanity_kunit(struct kunit *test);
+
+#endif
diff --git a/drivers/gpu/drm/xe/tests/xe_mocs.c b/drivers/gpu/drm/xe/tests/xe_mocs.c
new file mode 100644
index 000000000..7dd34f94e
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_mocs.c
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0 AND MIT
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include <kunit/test.h>
+#include <kunit/visibility.h>
+
+#include "tests/xe_mocs_test.h"
+#include "tests/xe_pci_test.h"
+#include "tests/xe_test.h"
+
+#include "xe_pci.h"
+#include "xe_gt.h"
+#include "xe_mocs.h"
+#include "xe_device.h"
+
+struct live_mocs {
+	struct xe_mocs_info table;
+};
+
+static int live_mocs_init(struct live_mocs *arg, struct xe_gt *gt)
+{
+	unsigned int flags;
+	struct kunit *test = xe_cur_kunit();
+
+	memset(arg, 0, sizeof(*arg));
+
+	flags = get_mocs_settings(gt_to_xe(gt), &arg->table);
+
+	kunit_info(test, "table size %d", arg->table.size);
+	kunit_info(test, "table uc_index %d", arg->table.uc_index);
+	kunit_info(test, "table n_entries %d", arg->table.n_entries);
+
+	return flags;
+}
+
+static void read_l3cc_table(struct xe_gt *gt,
+			    const struct xe_mocs_info *info)
+{
+	unsigned int i;
+	u32 l3cc;
+	u32 reg_val;
+	u32 ret;
+
+	struct kunit *test = xe_cur_kunit();
+
+	xe_device_mem_access_get(gt_to_xe(gt));
+	ret = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+	KUNIT_ASSERT_EQ_MSG(test, ret, 0, "Forcewake Failed.\n");
+	mocs_dbg(&gt_to_xe(gt)->drm, "L3CC entries:%d\n", info->n_entries);
+	for (i = 0;
+	     i < (info->n_entries + 1) / 2 ?
+	     (l3cc = l3cc_combine(get_entry_l3cc(info, 2 * i),
+				  get_entry_l3cc(info, 2 * i + 1))), 1 : 0;
+	     i++) {
+		if (GRAPHICS_VERx100(gt_to_xe(gt)) >= 1250)
+			reg_val = xe_gt_mcr_unicast_read_any(gt, XEHP_LNCFCMOCS(i));
+		else
+			reg_val = xe_mmio_read32(gt, XELP_LNCFCMOCS(i));
+		mocs_dbg(&gt_to_xe(gt)->drm, "%d 0x%x 0x%x 0x%x\n", i,
+			 XELP_LNCFCMOCS(i).addr, reg_val, l3cc);
+		if (reg_val != l3cc)
+			KUNIT_FAIL(test, "l3cc reg 0x%x has incorrect val.\n",
+				   XELP_LNCFCMOCS(i).addr);
+	}
+	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
+	xe_device_mem_access_put(gt_to_xe(gt));
+}
+
+static void read_mocs_table(struct xe_gt *gt,
+			    const struct xe_mocs_info *info)
+{
+	struct xe_device *xe = gt_to_xe(gt);
+
+	unsigned int i;
+	u32 mocs;
+	u32 reg_val;
+	u32 ret;
+
+	struct kunit *test = xe_cur_kunit();
+
+	xe_device_mem_access_get(gt_to_xe(gt));
+	ret = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+	KUNIT_ASSERT_EQ_MSG(test, ret, 0, "Forcewake Failed.\n");
+	mocs_dbg(&gt_to_xe(gt)->drm, "Global MOCS entries:%d\n", info->n_entries);
+	drm_WARN_ONCE(&xe->drm, !info->unused_entries_index,
+		      "Unused entries index should have been defined\n");
+	for (i = 0;
+	     i < info->n_entries ? (mocs = get_entry_control(info, i)), 1 : 0;
+	     i++) {
+		if (GRAPHICS_VERx100(gt_to_xe(gt)) >= 1250)
+			reg_val = xe_gt_mcr_unicast_read_any(gt, XEHP_GLOBAL_MOCS(i));
+		else
+			reg_val = xe_mmio_read32(gt, XELP_GLOBAL_MOCS(i));
+		mocs_dbg(&gt_to_xe(gt)->drm, "%d 0x%x 0x%x 0x%x\n", i,
+			 XELP_GLOBAL_MOCS(i).addr, reg_val, mocs);
+		if (reg_val != mocs)
+			KUNIT_FAIL(test, "mocs reg 0x%x has incorrect val.\n",
+				   XELP_GLOBAL_MOCS(i).addr);
+	}
+	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
+	xe_device_mem_access_put(gt_to_xe(gt));
+}
+
+static int mocs_kernel_test_run_device(struct xe_device *xe)
+{
+	/* Basic check the system is configured with the expected mocs table */
+
+	struct live_mocs mocs;
+	struct xe_gt *gt;
+
+	unsigned int flags;
+	int id;
+
+	for_each_gt(gt, xe, id) {
+		flags = live_mocs_init(&mocs, gt);
+		if (flags & HAS_GLOBAL_MOCS)
+			read_mocs_table(gt, &mocs.table);
+		if (flags & HAS_LNCF_MOCS)
+			read_l3cc_table(gt, &mocs.table);
+	}
+	return 0;
+}
+
+void xe_live_mocs_kernel_kunit(struct kunit *test)
+{
+	xe_call_for_each_device(mocs_kernel_test_run_device);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_live_mocs_kernel_kunit);
diff --git a/drivers/gpu/drm/xe/tests/xe_mocs_test.c b/drivers/gpu/drm/xe/tests/xe_mocs_test.c
new file mode 100644
index 000000000..421b819fd
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_mocs_test.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include "xe_mocs_test.h"
+
+#include <kunit/test.h>
+
+static struct kunit_case xe_mocs_tests[] = {
+	KUNIT_CASE(xe_live_mocs_kernel_kunit),
+	{}
+};
+
+static struct kunit_suite xe_mocs_test_suite = {
+	.name = "xe_mocs",
+	.test_cases = xe_mocs_tests,
+};
+
+kunit_test_suite(xe_mocs_test_suite);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("xe_mocs kunit test");
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
diff --git a/drivers/gpu/drm/xe/tests/xe_mocs_test.h b/drivers/gpu/drm/xe/tests/xe_mocs_test.h
new file mode 100644
index 000000000..7faa3575e
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_mocs_test.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 AND MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_MOCS_TEST_H_
+#define _XE_MOCS_TEST_H_
+
+struct kunit;
+
+void xe_live_mocs_kernel_kunit(struct kunit *test);
+
+#endif
diff --git a/drivers/gpu/drm/xe/tests/xe_pci.c b/drivers/gpu/drm/xe/tests/xe_pci.c
new file mode 100644
index 000000000..602793644
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_pci.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0 AND MIT
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include "tests/xe_pci_test.h"
+
+#include "tests/xe_test.h"
+
+#include <kunit/test-bug.h>
+#include <kunit/test.h>
+#include <kunit/test-bug.h>
+#include <kunit/visibility.h>
+
+struct kunit_test_data {
+	int ndevs;
+	xe_device_fn xe_fn;
+};
+
+static int dev_to_xe_device_fn(struct device *dev, void *__data)
+
+{
+	struct drm_device *drm = dev_get_drvdata(dev);
+	struct kunit_test_data *data = __data;
+	int ret = 0;
+	int idx;
+
+	data->ndevs++;
+
+	if (drm_dev_enter(drm, &idx))
+		ret = data->xe_fn(to_xe_device(dev_get_drvdata(dev)));
+	drm_dev_exit(idx);
+
+	return ret;
+}
+
+/**
+ * xe_call_for_each_device - Iterate over all devices this driver binds to
+ * @xe_fn: Function to call for each device.
+ *
+ * This function iterated over all devices this driver binds to, and calls
+ * @xe_fn: for each one of them. If the called function returns anything else
+ * than 0, iteration is stopped and the return value is returned by this
+ * function. Across each function call, drm_dev_enter() / drm_dev_exit() is
+ * called for the corresponding drm device.
+ *
+ * Return: Number of devices iterated or
+ *         the error code of a call to @xe_fn returning an error code.
+ */
+int xe_call_for_each_device(xe_device_fn xe_fn)
+{
+	int ret;
+	struct kunit_test_data data = {
+	    .xe_fn = xe_fn,
+	    .ndevs = 0,
+	};
+
+	ret = driver_for_each_device(&xe_pci_driver.driver, NULL,
+				     &data, dev_to_xe_device_fn);
+
+	if (!data.ndevs)
+		kunit_skip(current->kunit_test, "test runs only on hardware\n");
+
+	return ret ?: data.ndevs;
+}
+
+/**
+ * xe_call_for_each_graphics_ip - Iterate over all recognized graphics IPs
+ * @xe_fn: Function to call for each device.
+ *
+ * This function iterates over the descriptors for all graphics IPs recognized
+ * by the driver and calls @xe_fn: for each one of them.
+ */
+void xe_call_for_each_graphics_ip(xe_graphics_fn xe_fn)
+{
+	const struct xe_graphics_desc *ip, *last = NULL;
+
+	for (int i = 0; i < ARRAY_SIZE(graphics_ip_map); i++) {
+		ip = graphics_ip_map[i].ip;
+		if (ip == last)
+			continue;
+
+		xe_fn(ip);
+		last = ip;
+	}
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_call_for_each_graphics_ip);
+
+/**
+ * xe_call_for_each_media_ip - Iterate over all recognized media IPs
+ * @xe_fn: Function to call for each device.
+ *
+ * This function iterates over the descriptors for all media IPs recognized
+ * by the driver and calls @xe_fn: for each one of them.
+ */
+void xe_call_for_each_media_ip(xe_media_fn xe_fn)
+{
+	const struct xe_media_desc *ip, *last = NULL;
+
+	for (int i = 0; i < ARRAY_SIZE(media_ip_map); i++) {
+		ip = media_ip_map[i].ip;
+		if (ip == last)
+			continue;
+
+		xe_fn(ip);
+		last = ip;
+	}
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_call_for_each_media_ip);
+
+static void fake_read_gmdid(struct xe_device *xe, enum xe_gmdid_type type,
+			    u32 *ver, u32 *revid)
+{
+	struct kunit *test = kunit_get_current_test();
+	struct xe_pci_fake_data *data = test->priv;
+
+	if (type == GMDID_MEDIA) {
+		*ver = data->media_verx100;
+		*revid = xe_step_to_gmdid(data->media_step);
+	} else {
+		*ver = data->graphics_verx100;
+		*revid = xe_step_to_gmdid(data->graphics_step);
+	}
+}
+
+int xe_pci_fake_device_init(struct xe_device *xe)
+{
+	struct kunit *test = kunit_get_current_test();
+	struct xe_pci_fake_data *data = test->priv;
+	const struct pci_device_id *ent = pciidlist;
+	const struct xe_device_desc *desc;
+	const struct xe_subplatform_desc *subplatform_desc;
+
+	if (!data) {
+		desc = (const void *)ent->driver_data;
+		subplatform_desc = NULL;
+		goto done;
+	}
+
+	for (ent = pciidlist; ent->device; ent++) {
+		desc = (const void *)ent->driver_data;
+		if (desc->platform == data->platform)
+			break;
+	}
+
+	if (!ent->device)
+		return -ENODEV;
+
+	for (subplatform_desc = desc->subplatforms;
+	     subplatform_desc && subplatform_desc->subplatform;
+	     subplatform_desc++)
+		if (subplatform_desc->subplatform == data->subplatform)
+			break;
+
+	if (data->subplatform != XE_SUBPLATFORM_NONE && !subplatform_desc)
+		return -ENODEV;
+
+done:
+	kunit_activate_static_stub(test, read_gmdid, fake_read_gmdid);
+
+	xe_info_init_early(xe, desc, subplatform_desc);
+	xe_info_init(xe, desc->graphics, desc->media);
+
+	return 0;
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_pci_fake_device_init);
diff --git a/drivers/gpu/drm/xe/tests/xe_pci_test.c b/drivers/gpu/drm/xe/tests/xe_pci_test.c
new file mode 100644
index 000000000..171e4180f
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_pci_test.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+
+#include <kunit/test.h>
+
+#include "tests/xe_test.h"
+
+#include "xe_device.h"
+#include "xe_pci_test.h"
+#include "xe_pci_types.h"
+
+static void check_graphics_ip(const struct xe_graphics_desc *graphics)
+{
+	struct kunit *test = xe_cur_kunit();
+	u64 mask = graphics->hw_engine_mask;
+
+	/* RCS, CCS, and BCS engines are allowed on the graphics IP */
+	mask &= ~(XE_HW_ENGINE_RCS_MASK |
+		  XE_HW_ENGINE_CCS_MASK |
+		  XE_HW_ENGINE_BCS_MASK);
+
+	/* Any remaining engines are an error */
+	KUNIT_ASSERT_EQ(test, mask, 0);
+}
+
+static void check_media_ip(const struct xe_media_desc *media)
+{
+	struct kunit *test = xe_cur_kunit();
+	u64 mask = media->hw_engine_mask;
+
+	/* VCS, VECS and GSCCS engines are allowed on the media IP */
+	mask &= ~(XE_HW_ENGINE_VCS_MASK |
+		  XE_HW_ENGINE_VECS_MASK |
+		  XE_HW_ENGINE_GSCCS_MASK);
+
+	/* Any remaining engines are an error */
+	KUNIT_ASSERT_EQ(test, mask, 0);
+}
+
+static void xe_gmdid_graphics_ip(struct kunit *test)
+{
+	xe_call_for_each_graphics_ip(check_graphics_ip);
+}
+
+static void xe_gmdid_media_ip(struct kunit *test)
+{
+	xe_call_for_each_media_ip(check_media_ip);
+}
+
+static struct kunit_case xe_pci_tests[] = {
+	KUNIT_CASE(xe_gmdid_graphics_ip),
+	KUNIT_CASE(xe_gmdid_media_ip),
+	{}
+};
+
+static struct kunit_suite xe_pci_test_suite = {
+	.name = "xe_pci",
+	.test_cases = xe_pci_tests,
+};
+
+kunit_test_suite(xe_pci_test_suite);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("xe_pci kunit test");
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
diff --git a/drivers/gpu/drm/xe/tests/xe_pci_test.h b/drivers/gpu/drm/xe/tests/xe_pci_test.h
new file mode 100644
index 000000000..811ffe5bd
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_pci_test.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 AND MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_PCI_TEST_H_
+#define _XE_PCI_TEST_H_
+
+#include <linux/types.h>
+
+#include "xe_platform_types.h"
+
+struct xe_device;
+struct xe_graphics_desc;
+struct xe_media_desc;
+
+typedef int (*xe_device_fn)(struct xe_device *);
+typedef void (*xe_graphics_fn)(const struct xe_graphics_desc *);
+typedef void (*xe_media_fn)(const struct xe_media_desc *);
+
+int xe_call_for_each_device(xe_device_fn xe_fn);
+void xe_call_for_each_graphics_ip(xe_graphics_fn xe_fn);
+void xe_call_for_each_media_ip(xe_media_fn xe_fn);
+
+struct xe_pci_fake_data {
+	enum xe_platform platform;
+	enum xe_subplatform subplatform;
+	u32 graphics_verx100;
+	u32 media_verx100;
+	u32 graphics_step;
+	u32 media_step;
+};
+
+int xe_pci_fake_device_init(struct xe_device *xe);
+
+#endif
diff --git a/drivers/gpu/drm/xe/tests/xe_rtp_test.c b/drivers/gpu/drm/xe/tests/xe_rtp_test.c
new file mode 100644
index 000000000..4a6972897
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_rtp_test.c
@@ -0,0 +1,319 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include <linux/string.h>
+#include <linux/xarray.h>
+
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+
+#include <kunit/test.h>
+
+#include "regs/xe_gt_regs.h"
+#include "regs/xe_reg_defs.h"
+#include "xe_device.h"
+#include "xe_device_types.h"
+#include "xe_pci_test.h"
+#include "xe_reg_sr.h"
+#include "xe_rtp.h"
+
+#define REGULAR_REG1	XE_REG(1)
+#define REGULAR_REG2	XE_REG(2)
+#define REGULAR_REG3	XE_REG(3)
+#define MCR_REG1	XE_REG_MCR(1)
+#define MCR_REG2	XE_REG_MCR(2)
+#define MCR_REG3	XE_REG_MCR(3)
+#define MASKED_REG1	XE_REG(1, XE_REG_OPTION_MASKED)
+
+#undef XE_REG_MCR
+#define XE_REG_MCR(...)     XE_REG(__VA_ARGS__, .mcr = 1)
+
+struct rtp_test_case {
+	const char *name;
+	struct xe_reg expected_reg;
+	u32 expected_set_bits;
+	u32 expected_clr_bits;
+	unsigned long expected_count;
+	unsigned int expected_sr_errors;
+	const struct xe_rtp_entry_sr *entries;
+};
+
+static bool match_yes(const struct xe_gt *gt, const struct xe_hw_engine *hwe)
+{
+	return true;
+}
+
+static bool match_no(const struct xe_gt *gt, const struct xe_hw_engine *hwe)
+{
+	return false;
+}
+
+static const struct rtp_test_case cases[] = {
+	{
+		.name = "coalesce-same-reg",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0) | REG_BIT(1),
+		.expected_clr_bits = REG_BIT(0) | REG_BIT(1),
+		.expected_count = 1,
+		/* Different bits on the same register: create a single entry */
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(1)))
+			},
+			{}
+		},
+	},
+	{
+		.name = "no-match-no-add",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0),
+		.expected_clr_bits = REG_BIT(0),
+		.expected_count = 1,
+		/* Don't coalesce second entry since rules don't match */
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_no)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(1)))
+			},
+			{}
+		},
+	},
+	{
+		.name = "no-match-no-add-multiple-rules",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0),
+		.expected_clr_bits = REG_BIT(0),
+		.expected_count = 1,
+		/* Don't coalesce second entry due to one of the rules */
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_yes), FUNC(match_no)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(1)))
+			},
+			{}
+		},
+	},
+	{
+		.name = "two-regs-two-entries",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0),
+		.expected_clr_bits = REG_BIT(0),
+		.expected_count = 2,
+		/* Same bits on different registers are not coalesced */
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG2, REG_BIT(0)))
+			},
+			{}
+		},
+	},
+	{
+		.name = "clr-one-set-other",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0),
+		.expected_clr_bits = REG_BIT(1) | REG_BIT(0),
+		.expected_count = 1,
+		/* Check clr vs set actions on different bits */
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(CLR(REGULAR_REG1, REG_BIT(1)))
+			},
+			{}
+		},
+	},
+	{
+#define TEMP_MASK	REG_GENMASK(10, 8)
+#define TEMP_FIELD	REG_FIELD_PREP(TEMP_MASK, 2)
+		.name = "set-field",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = TEMP_FIELD,
+		.expected_clr_bits = TEMP_MASK,
+		.expected_count = 1,
+		/* Check FIELD_SET works */
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(FIELD_SET(REGULAR_REG1,
+						   TEMP_MASK, TEMP_FIELD))
+			},
+			{}
+		},
+#undef TEMP_MASK
+#undef TEMP_FIELD
+	},
+	{
+		.name = "conflict-duplicate",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0),
+		.expected_clr_bits = REG_BIT(0),
+		.expected_count = 1,
+		.expected_sr_errors = 1,
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			/* drop: setting same values twice */
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			{}
+		},
+	},
+	{
+		.name = "conflict-not-disjoint",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0),
+		.expected_clr_bits = REG_BIT(0),
+		.expected_count = 1,
+		.expected_sr_errors = 1,
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			/* drop: bits are not disjoint with previous entries */
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(CLR(REGULAR_REG1, REG_GENMASK(1, 0)))
+			},
+			{}
+		},
+	},
+	{
+		.name = "conflict-reg-type",
+		.expected_reg = REGULAR_REG1,
+		.expected_set_bits = REG_BIT(0),
+		.expected_clr_bits = REG_BIT(0),
+		.expected_count = 1,
+		.expected_sr_errors = 2,
+		.entries = (const struct xe_rtp_entry_sr[]) {
+			{ XE_RTP_NAME("basic-1"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(REGULAR_REG1, REG_BIT(0)))
+			},
+			/* drop: regular vs MCR */
+			{ XE_RTP_NAME("basic-2"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(MCR_REG1, REG_BIT(1)))
+			},
+			/* drop: regular vs masked */
+			{ XE_RTP_NAME("basic-3"),
+			  XE_RTP_RULES(FUNC(match_yes)),
+			  XE_RTP_ACTIONS(SET(MASKED_REG1, REG_BIT(0)))
+			},
+			{}
+		},
+	},
+};
+
+static void xe_rtp_process_tests(struct kunit *test)
+{
+	const struct rtp_test_case *param = test->param_value;
+	struct xe_device *xe = test->priv;
+	struct xe_gt *gt = xe_device_get_root_tile(xe)->primary_gt;
+	struct xe_reg_sr *reg_sr = &gt->reg_sr;
+	const struct xe_reg_sr_entry *sre, *sr_entry = NULL;
+	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(gt);
+	unsigned long idx, count = 0;
+
+	xe_reg_sr_init(reg_sr, "xe_rtp_tests", xe);
+	xe_rtp_process_to_sr(&ctx, param->entries, reg_sr);
+
+	xa_for_each(&reg_sr->xa, idx, sre) {
+		if (idx == param->expected_reg.addr)
+			sr_entry = sre;
+
+		count++;
+	}
+
+	KUNIT_EXPECT_EQ(test, count, param->expected_count);
+	KUNIT_EXPECT_EQ(test, sr_entry->clr_bits, param->expected_clr_bits);
+	KUNIT_EXPECT_EQ(test, sr_entry->set_bits, param->expected_set_bits);
+	KUNIT_EXPECT_EQ(test, sr_entry->reg.raw, param->expected_reg.raw);
+	KUNIT_EXPECT_EQ(test, reg_sr->errors, param->expected_sr_errors);
+}
+
+static void rtp_desc(const struct rtp_test_case *t, char *desc)
+{
+	strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);
+}
+
+KUNIT_ARRAY_PARAM(rtp, cases, rtp_desc);
+
+static int xe_rtp_test_init(struct kunit *test)
+{
+	struct xe_device *xe;
+	struct device *dev;
+	int ret;
+
+	dev = drm_kunit_helper_alloc_device(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
+
+	xe = drm_kunit_helper_alloc_drm_device(test, dev,
+					       struct xe_device,
+					       drm, DRIVER_GEM);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xe);
+
+	/* Initialize an empty device */
+	test->priv = NULL;
+	ret = xe_pci_fake_device_init(xe);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	xe->drm.dev = dev;
+	test->priv = xe;
+
+	return 0;
+}
+
+static void xe_rtp_test_exit(struct kunit *test)
+{
+	struct xe_device *xe = test->priv;
+
+	drm_kunit_helper_free_device(test, xe->drm.dev);
+}
+
+static struct kunit_case xe_rtp_tests[] = {
+	KUNIT_CASE_PARAM(xe_rtp_process_tests, rtp_gen_params),
+	{}
+};
+
+static struct kunit_suite xe_rtp_test_suite = {
+	.name = "xe_rtp",
+	.init = xe_rtp_test_init,
+	.exit = xe_rtp_test_exit,
+	.test_cases = xe_rtp_tests,
+};
+
+kunit_test_suite(xe_rtp_test_suite);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("xe_rtp kunit test");
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
diff --git a/drivers/gpu/drm/xe/tests/xe_test.h b/drivers/gpu/drm/xe/tests/xe_test.h
new file mode 100644
index 000000000..7a1ae213e
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_test.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 AND MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef _XE_TEST_H_
+#define _XE_TEST_H_
+
+#include <linux/types.h>
+
+#if IS_ENABLED(CONFIG_DRM_XE_KUNIT_TEST)
+#include <linux/sched.h>
+#include <kunit/test.h>
+
+/*
+ * Each test that provides a kunit private test structure, place a test id
+ * here and point the kunit->priv to an embedded struct xe_test_priv.
+ */
+enum xe_test_priv_id {
+	XE_TEST_LIVE_DMA_BUF,
+	XE_TEST_LIVE_MIGRATE,
+};
+
+/**
+ * struct xe_test_priv - Base class for test private info
+ * @id: enum xe_test_priv_id to identify the subclass.
+ */
+struct xe_test_priv {
+	enum xe_test_priv_id id;
+};
+
+#define XE_TEST_DECLARE(x) x
+#define XE_TEST_ONLY(x) unlikely(x)
+#define XE_TEST_EXPORT
+#define xe_cur_kunit() current->kunit_test
+
+/**
+ * xe_cur_kunit_priv - Obtain the struct xe_test_priv pointed to by
+ * current->kunit->priv if it exists and is embedded in the expected subclass.
+ * @id: Id of the expected subclass.
+ *
+ * Return: NULL if the process is not a kunit test, and NULL if the
+ * current kunit->priv pointer is not pointing to an object of the expected
+ * subclass. A pointer to the embedded struct xe_test_priv otherwise.
+ */
+static inline struct xe_test_priv *
+xe_cur_kunit_priv(enum xe_test_priv_id id)
+{
+	struct xe_test_priv *priv;
+
+	if (!xe_cur_kunit())
+		return NULL;
+
+	priv = xe_cur_kunit()->priv;
+	return priv->id == id ? priv : NULL;
+}
+
+#else /* if IS_ENABLED(CONFIG_DRM_XE_KUNIT_TEST) */
+
+#define XE_TEST_DECLARE(x)
+#define XE_TEST_ONLY(x) 0
+#define XE_TEST_EXPORT static
+#define xe_cur_kunit() NULL
+#define xe_cur_kunit_priv(_id) NULL
+
+#endif
+#endif
diff --git a/drivers/gpu/drm/xe/tests/xe_wa_test.c b/drivers/gpu/drm/xe/tests/xe_wa_test.c
new file mode 100644
index 000000000..b4715b78e
--- /dev/null
+++ b/drivers/gpu/drm/xe/tests/xe_wa_test.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+
+#include <kunit/test.h>
+
+#include "xe_device.h"
+#include "xe_pci_test.h"
+#include "xe_reg_sr.h"
+#include "xe_tuning.h"
+#include "xe_wa.h"
+
+struct platform_test_case {
+	const char *name;
+	enum xe_platform platform;
+	enum xe_subplatform subplatform;
+	u32 graphics_verx100;
+	u32 media_verx100;
+	struct xe_step_info step;
+};
+
+#define PLATFORM_CASE(platform__, graphics_step__)				\
+	{									\
+		.name = #platform__ " (" #graphics_step__ ")",			\
+		.platform = XE_ ## platform__,					\
+		.subplatform = XE_SUBPLATFORM_NONE,				\
+		.step = { .graphics = STEP_ ## graphics_step__ }		\
+	}
+
+
+#define SUBPLATFORM_CASE(platform__, subplatform__, graphics_step__)			\
+	{										\
+		.name = #platform__ "_" #subplatform__ " (" #graphics_step__ ")",	\
+		.platform = XE_ ## platform__,						\
+		.subplatform = XE_SUBPLATFORM_ ## platform__ ## _ ## subplatform__,	\
+		.step = { .graphics = STEP_ ## graphics_step__ }			\
+	}
+
+#define GMDID_CASE(platform__, graphics_verx100__, graphics_step__,		\
+		   media_verx100__, media_step__)				\
+	{									\
+		.name = #platform__ " (g:" #graphics_step__ ", m:" #media_step__ ")",\
+		.platform = XE_ ## platform__,					\
+		.subplatform = XE_SUBPLATFORM_NONE,				\
+		.graphics_verx100 = graphics_verx100__,				\
+		.media_verx100 = media_verx100__,				\
+		.step = { .graphics = STEP_ ## graphics_step__,			\
+			   .media = STEP_ ## media_step__ }			\
+	}
+
+static const struct platform_test_case cases[] = {
+	PLATFORM_CASE(TIGERLAKE, B0),
+	PLATFORM_CASE(DG1, A0),
+	PLATFORM_CASE(DG1, B0),
+	PLATFORM_CASE(ALDERLAKE_S, A0),
+	PLATFORM_CASE(ALDERLAKE_S, B0),
+	PLATFORM_CASE(ALDERLAKE_S, C0),
+	PLATFORM_CASE(ALDERLAKE_S, D0),
+	PLATFORM_CASE(ALDERLAKE_P, A0),
+	PLATFORM_CASE(ALDERLAKE_P, B0),
+	PLATFORM_CASE(ALDERLAKE_P, C0),
+	SUBPLATFORM_CASE(ALDERLAKE_S, RPLS, D0),
+	SUBPLATFORM_CASE(ALDERLAKE_P, RPLU, E0),
+	SUBPLATFORM_CASE(DG2, G10, A0),
+	SUBPLATFORM_CASE(DG2, G10, A1),
+	SUBPLATFORM_CASE(DG2, G10, B0),
+	SUBPLATFORM_CASE(DG2, G10, C0),
+	SUBPLATFORM_CASE(DG2, G11, A0),
+	SUBPLATFORM_CASE(DG2, G11, B0),
+	SUBPLATFORM_CASE(DG2, G11, B1),
+	SUBPLATFORM_CASE(DG2, G12, A0),
+	SUBPLATFORM_CASE(DG2, G12, A1),
+	GMDID_CASE(METEORLAKE, 1270, A0, 1300, A0),
+	GMDID_CASE(METEORLAKE, 1271, A0, 1300, A0),
+	GMDID_CASE(LUNARLAKE, 2004, A0, 2000, A0),
+	GMDID_CASE(LUNARLAKE, 2004, B0, 2000, A0),
+};
+
+static void platform_desc(const struct platform_test_case *t, char *desc)
+{
+	strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);
+}
+
+KUNIT_ARRAY_PARAM(platform, cases, platform_desc);
+
+static int xe_wa_test_init(struct kunit *test)
+{
+	const struct platform_test_case *param = test->param_value;
+	struct xe_pci_fake_data data = {
+		.platform = param->platform,
+		.subplatform = param->subplatform,
+		.graphics_verx100 = param->graphics_verx100,
+		.media_verx100 = param->media_verx100,
+		.graphics_step = param->step.graphics,
+		.media_step = param->step.media,
+	};
+	struct xe_device *xe;
+	struct device *dev;
+	int ret;
+
+	dev = drm_kunit_helper_alloc_device(test);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
+
+	xe = drm_kunit_helper_alloc_drm_device(test, dev,
+					       struct xe_device,
+					       drm, DRIVER_GEM);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xe);
+
+	test->priv = &data;
+	ret = xe_pci_fake_device_init(xe);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	if (!param->graphics_verx100)
+		xe->info.step = param->step;
+
+	/* TODO: init hw engines for engine/LRC WAs */
+	xe->drm.dev = dev;
+	test->priv = xe;
+
+	return 0;
+}
+
+static void xe_wa_test_exit(struct kunit *test)
+{
+	struct xe_device *xe = test->priv;
+
+	drm_kunit_helper_free_device(test, xe->drm.dev);
+}
+
+static void xe_wa_gt(struct kunit *test)
+{
+	struct xe_device *xe = test->priv;
+	struct xe_gt *gt;
+	int id;
+
+	for_each_gt(gt, xe, id) {
+		xe_reg_sr_init(&gt->reg_sr, "GT", xe);
+
+		xe_wa_process_gt(gt);
+		xe_tuning_process_gt(gt);
+
+		KUNIT_ASSERT_EQ(test, gt->reg_sr.errors, 0);
+	}
+}
+
+static struct kunit_case xe_wa_tests[] = {
+	KUNIT_CASE_PARAM(xe_wa_gt, platform_gen_params),
+	{}
+};
+
+static struct kunit_suite xe_rtp_test_suite = {
+	.name = "xe_wa",
+	.init = xe_wa_test_init,
+	.exit = xe_wa_test_exit,
+	.test_cases = xe_wa_tests,
+};
+
+kunit_test_suite(xe_rtp_test_suite);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("xe_wa kunit test");
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);