drm/i915/selftests: handle more rounding

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

diff --git a/drivers/gpu/drm/i915/gt/selftest_migrate.c b/drivers/gpu/drm/i915/gt/selftest_migrate.c
index c9c4f39..cca3b0d 100644 (file)
--- 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);