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drm/i915: Actually delete gpu reloc selftests
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 20 Aug 2021 15:49:32 +0000 (17:49 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 27 Aug 2021 08:13:00 +0000 (10:13 +0200)
In commit 8e02cceb1f1f ("drm/i915: delete gpu reloc code") I deleted
the gpu relocation code and the selftest include and enabling, but
accidentally forgot about the selftest source code.

Fix this oversight.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210820154932.296628-1-daniel.vetter@ffwll.ch
drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c [deleted file]

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c
deleted file mode 100644 (file)
index 16162fc..0000000
+++ /dev/null
@@ -1,190 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2020 Intel Corporation
- */
-
-#include "i915_selftest.h"
-
-#include "gt/intel_engine_pm.h"
-#include "selftests/igt_flush_test.h"
-
-static u64 read_reloc(const u32 *map, int x, const u64 mask)
-{
-       u64 reloc;
-
-       memcpy(&reloc, &map[x], sizeof(reloc));
-       return reloc & mask;
-}
-
-static int __igt_gpu_reloc(struct i915_execbuffer *eb,
-                          struct drm_i915_gem_object *obj)
-{
-       const unsigned int offsets[] = { 8, 3, 0 };
-       const u64 mask =
-               GENMASK_ULL(eb->reloc_cache.use_64bit_reloc ? 63 : 31, 0);
-       const u32 *map = page_mask_bits(obj->mm.mapping);
-       struct i915_request *rq;
-       struct i915_vma *vma;
-       int err;
-       int i;
-
-       vma = i915_vma_instance(obj, eb->context->vm, NULL);
-       if (IS_ERR(vma))
-               return PTR_ERR(vma);
-
-       err = i915_gem_object_lock(obj, &eb->ww);
-       if (err)
-               return err;
-
-       err = i915_vma_pin_ww(vma, &eb->ww, 0, 0, PIN_USER | PIN_HIGH);
-       if (err)
-               return err;
-
-       /* 8-Byte aligned */
-       err = __reloc_entry_gpu(eb, vma, offsets[0] * sizeof(u32), 0);
-       if (err <= 0)
-               goto reloc_err;
-
-       /* !8-Byte aligned */
-       err = __reloc_entry_gpu(eb, vma, offsets[1] * sizeof(u32), 1);
-       if (err <= 0)
-               goto reloc_err;
-
-       /* Skip to the end of the cmd page */
-       i = PAGE_SIZE / sizeof(u32) - 1;
-       i -= eb->reloc_cache.rq_size;
-       memset32(eb->reloc_cache.rq_cmd + eb->reloc_cache.rq_size,
-                MI_NOOP, i);
-       eb->reloc_cache.rq_size += i;
-
-       /* Force next batch */
-       err = __reloc_entry_gpu(eb, vma, offsets[2] * sizeof(u32), 2);
-       if (err <= 0)
-               goto reloc_err;
-
-       GEM_BUG_ON(!eb->reloc_cache.rq);
-       rq = i915_request_get(eb->reloc_cache.rq);
-       reloc_gpu_flush(eb, &eb->reloc_cache);
-       GEM_BUG_ON(eb->reloc_cache.rq);
-
-       err = i915_gem_object_wait(obj, I915_WAIT_INTERRUPTIBLE, HZ / 2);
-       if (err) {
-               intel_gt_set_wedged(eb->engine->gt);
-               goto put_rq;
-       }
-
-       if (!i915_request_completed(rq)) {
-               pr_err("%s: did not wait for relocations!\n", eb->engine->name);
-               err = -EINVAL;
-               goto put_rq;
-       }
-
-       for (i = 0; i < ARRAY_SIZE(offsets); i++) {
-               u64 reloc = read_reloc(map, offsets[i], mask);
-
-               if (reloc != i) {
-                       pr_err("%s[%d]: map[%d] %llx != %x\n",
-                              eb->engine->name, i, offsets[i], reloc, i);
-                       err = -EINVAL;
-               }
-       }
-       if (err)
-               igt_hexdump(map, 4096);
-
-put_rq:
-       i915_request_put(rq);
-unpin_vma:
-       i915_vma_unpin(vma);
-       return err;
-
-reloc_err:
-       if (!err)
-               err = -EIO;
-       goto unpin_vma;
-}
-
-static int igt_gpu_reloc(void *arg)
-{
-       struct i915_execbuffer eb;
-       struct drm_i915_gem_object *scratch;
-       int err = 0;
-       u32 *map;
-
-       eb.i915 = arg;
-
-       scratch = i915_gem_object_create_internal(eb.i915, 4096);
-       if (IS_ERR(scratch))
-               return PTR_ERR(scratch);
-
-       map = i915_gem_object_pin_map_unlocked(scratch, I915_MAP_WC);
-       if (IS_ERR(map)) {
-               err = PTR_ERR(map);
-               goto err_scratch;
-       }
-
-       intel_gt_pm_get(&eb.i915->gt);
-
-       for_each_uabi_engine(eb.engine, eb.i915) {
-               if (intel_engine_requires_cmd_parser(eb.engine) ||
-                   intel_engine_using_cmd_parser(eb.engine))
-                       continue;
-
-               reloc_cache_init(&eb.reloc_cache, eb.i915);
-               memset(map, POISON_INUSE, 4096);
-
-               intel_engine_pm_get(eb.engine);
-               eb.context = intel_context_create(eb.engine);
-               if (IS_ERR(eb.context)) {
-                       err = PTR_ERR(eb.context);
-                       goto err_pm;
-               }
-               eb.reloc_pool = NULL;
-               eb.reloc_context = NULL;
-
-               i915_gem_ww_ctx_init(&eb.ww, false);
-retry:
-               err = intel_context_pin_ww(eb.context, &eb.ww);
-               if (!err) {
-                       err = __igt_gpu_reloc(&eb, scratch);
-
-                       intel_context_unpin(eb.context);
-               }
-               if (err == -EDEADLK) {
-                       err = i915_gem_ww_ctx_backoff(&eb.ww);
-                       if (!err)
-                               goto retry;
-               }
-               i915_gem_ww_ctx_fini(&eb.ww);
-
-               if (eb.reloc_pool)
-                       intel_gt_buffer_pool_put(eb.reloc_pool);
-               if (eb.reloc_context)
-                       intel_context_put(eb.reloc_context);
-
-               intel_context_put(eb.context);
-err_pm:
-               intel_engine_pm_put(eb.engine);
-               if (err)
-                       break;
-       }
-
-       if (igt_flush_test(eb.i915))
-               err = -EIO;
-
-       intel_gt_pm_put(&eb.i915->gt);
-err_scratch:
-       i915_gem_object_put(scratch);
-       return err;
-}
-
-int i915_gem_execbuffer_live_selftests(struct drm_i915_private *i915)
-{
-       static const struct i915_subtest tests[] = {
-               SUBTEST(igt_gpu_reloc),
-       };
-
-       if (intel_gt_is_wedged(&i915->gt))
-               return 0;
-
-       return i915_live_subtests(tests, i915);
-}