diff options
| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2023-03-13 22:37:24 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-20 02:30:13 +0300 |
| commit | 7cba3396fd7e87a976b8ad1e30d734b72dec7e31 (patch) | |
| tree | 4fe8579b2f08a2ec3be8023d71912b89901b5f97 /drivers/gpu/drm/xe/tests/xe_migrate.c | |
| parent | a5dfb471bba18fc38dc623ff1fa4387f48dacba6 (diff) | |
| download | linux-7cba3396fd7e87a976b8ad1e30d734b72dec7e31.tar.xz | |
drm/xe/tests: Test both CPU- and GPU page-table updates with the migrate test
Add a test parameter to force GPU page-table updates with the migrate
test and test both CPU- and GPU updates. Also provide some timing
results.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/tests/xe_migrate.c')
| -rw-r--r-- | drivers/gpu/drm/xe/tests/xe_migrate.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/tests/xe_migrate.c b/drivers/gpu/drm/xe/tests/xe_migrate.c index a3bace16282e..e50b6ceb56e6 100644 --- a/drivers/gpu/drm/xe/tests/xe_migrate.c +++ b/drivers/gpu/drm/xe/tests/xe_migrate.c @@ -64,6 +64,8 @@ sanity_populate_cb(struct xe_migrate_pt_update *pt_update, 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; @@ -76,6 +78,10 @@ sanity_populate_cb(struct xe_migrate_pt_update *pt_update, 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 = { @@ -177,11 +183,12 @@ out_unlock: } static void test_pt_update(struct xe_migrate *m, struct xe_bo *pt, - struct kunit *test) + struct kunit *test, bool force_gpu) { struct xe_device *xe = gt_to_xe(m->gt); struct dma_fence *fence; u64 retval, expected; + ktime_t then, now; int i; struct xe_vm_pgtable_update update = { @@ -192,16 +199,26 @@ static void test_pt_update(struct xe_migrate *m, struct xe_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, NULL, NULL, m->eng, &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); @@ -344,7 +361,10 @@ static void xe_migrate_sanity_test(struct xe_migrate *m, struct kunit *test) test_copy(m, big, test); } - test_pt_update(m, pt, 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); |