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From e224c99d8790834b5fdde7df2c82dc8b96b54a1c Mon Sep 17 00:00:00 2001
From: Matthew Auld <matthew.auld@intel.com>
Date: Wed, 6 Apr 2022 18:30:23 +0100
Subject: drm/i915/selftests: handle more rounding
Git-commit: ae686e220b5f3962f9188e6661bc370941845a3f
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Ensure we account for potential rounding up of lmem objects.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5485
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220406173023.1039107-1-matthew.auld@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/gt/selftest_migrate.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/selftest_migrate.c b/drivers/gpu/drm/i915/gt/selftest_migrate.c
index c9c4f391c5cc..cca3b0db83c9 100644
--- a/drivers/gpu/drm/i915/gt/selftest_migrate.c
+++ b/drivers/gpu/drm/i915/gt/selftest_migrate.c
@@ -621,13 +621,15 @@ static int perf_copy_blt(void *arg)
 
 	for (i = 0; i < ARRAY_SIZE(sizes); i++) {
 		struct drm_i915_gem_object *src, *dst;
+		size_t sz;
 		int err;
 
 		src = create_init_lmem_internal(gt, sizes[i], true);
 		if (IS_ERR(src))
 			return PTR_ERR(src);
 
-		dst = create_init_lmem_internal(gt, sizes[i], false);
+		sz = src->base.size;
+		dst = create_init_lmem_internal(gt, sz, false);
 		if (IS_ERR(dst)) {
 			err = PTR_ERR(dst);
 			goto err_src;
@@ -640,7 +642,7 @@ static int perf_copy_blt(void *arg)
 				      dst->mm.pages->sgl,
 				      I915_CACHE_NONE,
 				      i915_gem_object_is_lmem(dst),
-				      sizes[i]);
+				      sz);
 
 		i915_gem_object_unlock(dst);
 		i915_gem_object_put(dst);
-- 
2.38.1