Merge drm/drm-next into drm-intel-next

Sync up with v5.18-rc1, in particular to get 5e3094cfd9fb
("drm/i915/xehpsdv: Add has_flat_ccs to device info").

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

1 files changed, 62 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index e2eb5a2dfb30..ef15967be51a 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -502,7 +502,7 @@ static int igt_mock_memory_region_huge_pages(void *arg)
 	int bit;
 	int err = 0;
 
-	mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0);
+	mem = mock_region_create(i915, 0, SZ_2G, I915_GTT_PAGE_SIZE_4K, 0, 0);
 	if (IS_ERR(mem)) {
 		pr_err("%s failed to create memory region\n", __func__);
 		return PTR_ERR(mem);
@@ -1347,7 +1347,7 @@ try_again:
 
 		err = i915_gem_object_pin_pages_unlocked(obj);
 		if (err) {
-			if (err == -ENXIO || err == -E2BIG) {
+			if (err == -ENXIO || err == -E2BIG || err == -ENOMEM) {
 				i915_gem_object_put(obj);
 				size >>= 1;
 				goto try_again;
@@ -1481,6 +1481,65 @@ out:
 	return err;
 }
 
+static int igt_ppgtt_compact(void *arg)
+{
+	struct drm_i915_private *i915 = arg;
+	struct drm_i915_gem_object *obj;
+	int err;
+
+	/*
+	 * Simple test to catch issues with compact 64K pages -- since the pt is
+	 * compacted to 256B that gives us 32 entries per pt, however since the
+	 * backing page for the pt is 4K, any extra entries we might incorrectly
+	 * write out should be ignored by the HW. If ever hit such a case this
+	 * test should catch it since some of our writes would land in scratch.
+	 */
+
+	if (!HAS_64K_PAGES(i915)) {
+		pr_info("device lacks compact 64K page support, skipping\n");
+		return 0;
+	}
+
+	if (!HAS_LMEM(i915)) {
+		pr_info("device lacks LMEM support, skipping\n");
+		return 0;
+	}
+
+	/* We want the range to cover multiple page-table boundaries. */
+	obj = i915_gem_object_create_lmem(i915, SZ_4M, 0);
+	if (IS_ERR(obj))
+		return PTR_ERR(obj);
+
+	err = i915_gem_object_pin_pages_unlocked(obj);
+	if (err)
+		goto out_put;
+
+	if (obj->mm.page_sizes.phys < I915_GTT_PAGE_SIZE_64K) {
+		pr_info("LMEM compact unable to allocate huge-page(s)\n");
+		goto out_unpin;
+	}
+
+	/*
+	 * Disable 2M GTT pages by forcing the page-size to 64K for the GTT
+	 * insertion.
+	 */
+	obj->mm.page_sizes.sg = I915_GTT_PAGE_SIZE_64K;
+
+	err = igt_write_huge(i915, obj);
+	if (err)
+		pr_err("LMEM compact write-huge failed\n");
+
+out_unpin:
+	i915_gem_object_unpin_pages(obj);
+out_put:
+	i915_gem_object_put(obj);
+
+	if (err == -ENOMEM)
+		err = 0;
+
+	return err;
+}
+
 static int igt_tmpfs_fallback(void *arg)
 {
 	struct drm_i915_private *i915 = arg;
@@ -1738,6 +1797,7 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915)
 		SUBTEST(igt_tmpfs_fallback),
 		SUBTEST(igt_ppgtt_smoke_huge),
 		SUBTEST(igt_ppgtt_sanity_check),
+		SUBTEST(igt_ppgtt_compact),
 	};
 
 	if (!HAS_PPGTT(i915)) {