Simply check that we support parsing of batches as large as the uAPI allows.
Signed-off-by: Chris Wilson <[email protected]> Cc: Mika Kuoppala <[email protected]> --- Try a few intermediate object sizes since CI machines do not have enough memory to reach the upper bounds of the uAPI. --- tests/i915/gen9_exec_parse.c | 47 ++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/tests/i915/gen9_exec_parse.c b/tests/i915/gen9_exec_parse.c index 8cd82f568..f735e7e1c 100644 --- a/tests/i915/gen9_exec_parse.c +++ b/tests/i915/gen9_exec_parse.c @@ -566,6 +566,50 @@ static void test_bb_start(const int i915, const uint32_t handle, int test) gem_close(i915, target_bo); } +static void test_bb_large(int i915) +{ + const uint32_t bbe = MI_BATCH_BUFFER_END; + static const uint32_t sizes[] = { + (1ull << 30) - 4096, + (1ull << 30) + 4096, + (2ull << 30) - 4096, + (2ull << 30) + 4096, + (3ull << 30) - 4096, + (3ull << 30) + 4096, + (4ull << 30) - 4096, + }; + struct drm_i915_gem_exec_object2 obj = {}; + struct drm_i915_gem_execbuffer2 execbuf = { + .buffers_ptr = to_user_pointer(&obj), + .buffer_count = 1, + .flags = I915_EXEC_BLT, + }; + uint64_t required, total; + int i; + + for (i = 0; i < ARRAY_SIZE(sizes); i++) { + if (!__intel_check_memory(2, sizes[i], CHECK_RAM, + &required, &total)) + break; + + igt_debug("Using object size %#x\n", sizes[i]); + obj.handle = gem_create(i915, sizes[i]), + gem_write(i915, obj.handle, sizes[i] - 64, &bbe, sizeof(bbe)); + + execbuf.batch_start_offset = 0; + igt_assert_eq(__checked_execbuf(i915, &execbuf), 0); + + execbuf.batch_start_offset = sizes[i] - 64; + igt_assert_eq(__checked_execbuf(i915, &execbuf), 0); + + gem_close(i915, obj.handle); + } + + igt_require_f(i > 0 && sizes[i - 1] > 1ull << 31, + "Insufficient free memory, require at least %'"PRIu64"MiB but only have %'"PRIu64"MiB available", + required >> 20, total >> 20); +} + static void test_bb_chained(const int i915, const uint32_t handle) { const uint32_t batch[] = { @@ -1053,6 +1097,9 @@ igt_main igt_subtest("bb-start-far") test_bb_start(i915, handle, BB_START_FAR); + igt_subtest("bb-large") + test_bb_large(i915); + igt_fixture { igt_stop_hang_detector(); gem_close(i915, handle); -- 2.28.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
