From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id A33F510F256 for ; Thu, 10 Mar 2022 07:15:49 +0000 (UTC) From: =?UTF-8?q?Zbigniew=20Kempczy=C5=84ski?= To: igt-dev@lists.freedesktop.org Date: Thu, 10 Mar 2022 08:15:25 +0100 Message-Id: <20220310071529.61930-3-zbigniew.kempczynski@intel.com> In-Reply-To: <20220310071529.61930-1-zbigniew.kempczynski@intel.com> References: <20220310071529.61930-1-zbigniew.kempczynski@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t 2/6] tests/api_intel_allocator: Verify gem-pool is working as expected List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: Simple check which acquires buffer objects from gem-pool. It verifies: - object reuse (previously created is completed in execbuf) - object creation (submitting batches when spinner is executing). Signed-off-by: Zbigniew Kempczyński Cc: Kamil Konieczny --- tests/i915/api_intel_allocator.c | 58 ++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/tests/i915/api_intel_allocator.c b/tests/i915/api_intel_allocator.c index a652caf4ec..a7929e9b13 100644 --- a/tests/i915/api_intel_allocator.c +++ b/tests/i915/api_intel_allocator.c @@ -692,6 +692,60 @@ static void fork_reopen_allocator(int fd, uint8_t type) intel_allocator_multiprocess_stop(); } +static uint32_t single_exec_from_pool(int i915, uint64_t ahnd, uint64_t size) +{ + struct drm_i915_gem_execbuffer2 execbuf = {}; + struct drm_i915_gem_exec_object2 obj = {}; + uint32_t bb = gem_create_from_pool(i915, &size, REGION_SMEM); + uint32_t *bbptr; + + bbptr = gem_mmap__device_coherent(i915, bb, 0, size, PROT_WRITE); + *bbptr = MI_BATCH_BUFFER_END; + gem_munmap(bbptr, size); + obj.offset = get_offset(ahnd, bb, size, 0); + if (ahnd) + obj.flags = EXEC_OBJECT_PINNED; + obj.handle = bb; + execbuf.buffer_count = 1; + execbuf.buffers_ptr = to_user_pointer(&obj); + gem_execbuf(i915, &execbuf); + + return bb; +} + +static void gem_pool(int i915) +{ + uint32_t bb[4]; + uint64_t ahnd = get_reloc_ahnd(i915, 0); + igt_spin_t *spin; + + bb[0] = single_exec_from_pool(i915, ahnd, 4096); + gem_sync(i915, bb[0]); + bb[1] = single_exec_from_pool(i915, ahnd, 4096); + igt_assert(bb[0] == bb[1]); + + bb[2] = single_exec_from_pool(i915, ahnd, 8192); + gem_sync(i915, bb[2]); + bb[3] = single_exec_from_pool(i915, ahnd, 8192); + igt_assert(bb[2] == bb[3]); + igt_assert(bb[0] != bb[2]); + + spin = igt_spin_new(i915, + .ahnd = ahnd, + .engine = I915_EXEC_DEFAULT); + bb[0] = single_exec_from_pool(i915, ahnd, 4096); + bb[1] = single_exec_from_pool(i915, ahnd, 4096); + bb[2] = single_exec_from_pool(i915, ahnd, 8192); + bb[3] = single_exec_from_pool(i915, ahnd, 8192); + igt_spin_free(i915, spin); + igt_assert(bb[0] != bb[1]); + igt_assert(bb[2] != bb[3]); + + put_ahnd(ahnd); + + gem_pool_dump(); +} + struct allocators { const char *name; uint8_t type; @@ -790,6 +844,10 @@ igt_main igt_subtest_f("execbuf-with-allocator") execbuf_with_allocator(fd); + igt_describe("Verifies creating and executing bb from gem pool"); + igt_subtest_f("gem-pool") + gem_pool(fd); + igt_fixture close(fd); } -- 2.32.0