[igt-dev] [PATCH] tests/amdgpu: add sync object tests
Christian König
christian.koenig at amd.com
Wed Jun 14 09:57:12 UTC 2023
Am 14.06.23 um 00:06 schrieb vitaly.prosyak at amd.com:
> From: Vitaly Prosyak <vitaly.prosyak at amd.com>
>
> Using worker thread to wait on point and then signal point on other thread.
> Another test uses a worker thread to signal point and wait on the main
> thread using amdgpu_cs_syncobj_timeline_wait.
>
> The command consists of two chunks :
> 1. AMDGPU_CHUNK_ID_IB uses GFX_COMPUTE_NOP or SDMA_NOP.
> 2. The second chunk is AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT
> or AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL which has the
> point number .
>
> Signed-off-by: Vitaly Prosyak <vitaly.prosyak at amd.com>
> ---
> tests/amdgpu/amd_syncobj.c | 293 +++++++++++++++++++++++++++++++++++++
> tests/amdgpu/meson.build | 1 +
> 2 files changed, 294 insertions(+)
> create mode 100644 tests/amdgpu/amd_syncobj.c
>
> diff --git a/tests/amdgpu/amd_syncobj.c b/tests/amdgpu/amd_syncobj.c
> new file mode 100644
> index 000000000..d178c2600
> --- /dev/null
> +++ b/tests/amdgpu/amd_syncobj.c
> @@ -0,0 +1,293 @@
> +/* SPDX-License-Identifier: MIT
> + * Copyright 2017 Advanced Micro Devices, Inc.
> + * Copyright 2023 Advanced Micro Devices, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
> + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + *
> +*/
> +
> +
> +#include "igt.h"
> +#include "drmtest.h"
> +#include "lib/amdgpu/amd_PM4.h" // GFX_COMPUTE_NOP
> +#include "lib/amdgpu/amd_sdma.h" // SDMA_NOP
A long long time ago in a different job comments on preprocessor lines
were extremely frowned on.
Could be that modern compilers doesn't have a problem with that any
more, but I wouldn't bet on it.
Apart from that looks good to me,
Christian.
> +
> +#include <amdgpu.h>
> +#include <amdgpu_drm.h>
> +#include "lib/amdgpu/amd_memory.h"
> +#include <pthread.h>
> +
> +struct syncobj_point {
> + amdgpu_device_handle device;
> + uint32_t syncobj_handle;
> + uint64_t point;
> +};
> +
> +
> +static bool
> +syncobj_timeline_enable(int fd)
> +{
> + int r;
> + bool ret = false;
> + uint64_t cap = 0;
> +
> + r = drmGetCap(fd, DRM_CAP_SYNCOBJ_TIMELINE, &cap);
> + if (r || cap == 0)
> + return ret;
> + ret = true;
> +
> + return ret;
> +}
> +
> +static int
> +syncobj_command_submission_helper(amdgpu_device_handle device_handle,
> + uint32_t syncobj_handle, bool wait_or_signal,
> + uint64_t point)
> +{
> + amdgpu_context_handle context_handle;
> + amdgpu_bo_handle ib_result_handle;
> + void *ib_result_cpu;
> + uint64_t ib_result_mc_address;
> + struct drm_amdgpu_cs_chunk chunks[2];
> + struct drm_amdgpu_cs_chunk_data chunk_data;
> + struct drm_amdgpu_cs_chunk_syncobj syncobj_data;
> + struct amdgpu_cs_fence fence_status;
> + amdgpu_bo_list_handle bo_list;
> + amdgpu_va_handle va_handle;
> + uint32_t expired;
> + int i, r;
> + uint64_t seq_no;
> + uint32_t *ptr;
> +
> + r = amdgpu_cs_ctx_create(device_handle, &context_handle);
> + igt_assert_eq(r, 0);
> +
> + r = amdgpu_bo_alloc_and_map(device_handle, 4096, 4096,
> + AMDGPU_GEM_DOMAIN_GTT, 0,
> + &ib_result_handle, &ib_result_cpu,
> + &ib_result_mc_address, &va_handle);
> + igt_assert_eq(r, 0);
> +
> + r = amdgpu_get_bo_list(device_handle, ib_result_handle, NULL, &bo_list);
> + igt_assert_eq(r, 0);
> +
> + ptr = ib_result_cpu;
> +
> + for (i = 0; i < 16; ++i)
> + ptr[i] = wait_or_signal ? GFX_COMPUTE_NOP: SDMA_NOP;
> +
> + chunks[0].chunk_id = AMDGPU_CHUNK_ID_IB;
> + chunks[0].length_dw = sizeof(struct drm_amdgpu_cs_chunk_ib) / 4;
> + chunks[0].chunk_data = (uint64_t)(uintptr_t)&chunk_data;
> + chunk_data.ib_data._pad = 0;
> + chunk_data.ib_data.va_start = ib_result_mc_address;
> + chunk_data.ib_data.ib_bytes = 16 * 4;
> + chunk_data.ib_data.ip_type = wait_or_signal ? AMDGPU_HW_IP_GFX : AMDGPU_HW_IP_DMA;
> + chunk_data.ib_data.ip_instance = 0;
> + chunk_data.ib_data.ring = 0;
> + chunk_data.ib_data.flags = 0;
> +
> + chunks[1].chunk_id = wait_or_signal ?
> + AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT :
> + AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL;
> + chunks[1].length_dw = sizeof(struct drm_amdgpu_cs_chunk_syncobj) / 4;
> + chunks[1].chunk_data = (uint64_t)(uintptr_t)&syncobj_data;
> + syncobj_data.handle = syncobj_handle;
> + syncobj_data.point = point;
> + syncobj_data.flags = DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT;
> +
> + r = amdgpu_cs_submit_raw(device_handle,
> + context_handle,
> + bo_list,
> + 2,
> + chunks,
> + &seq_no);
> + igt_assert_eq(r, 0);
> +
> + memset(&fence_status, 0, sizeof(struct amdgpu_cs_fence));
> + fence_status.context = context_handle;
> + fence_status.ip_type = wait_or_signal ? AMDGPU_HW_IP_GFX : AMDGPU_HW_IP_DMA;
> + fence_status.ip_instance = 0;
> + fence_status.ring = 0;
> + fence_status.fence = seq_no;
> +
> + r = amdgpu_cs_query_fence_status(&fence_status,
> + AMDGPU_TIMEOUT_INFINITE,0, &expired);
> + igt_assert_eq(r, 0);
> +
> + r = amdgpu_bo_list_destroy(bo_list);
> + igt_assert_eq(r, 0);
> +
> + amdgpu_bo_unmap_and_free(ib_result_handle, va_handle,
> + ib_result_mc_address, 4096);
> +
> + r = amdgpu_cs_ctx_free(context_handle);
> + igt_assert_eq(r, 0);
> +
> + return r;
> +}
> +
> +static void *
> +syncobj_wait(void *data)
> +{
> + struct syncobj_point *sp = (struct syncobj_point *)data;
> + int r;
> +
> + r = syncobj_command_submission_helper(sp->device, sp->syncobj_handle, true,
> + sp->point);
> + igt_assert_eq(r, 0);
> +
> + return (void *)(long)r;
> +}
> +
> +static void *
> +syncobj_signal(void *data)
> +{
> + struct syncobj_point *sp = (struct syncobj_point *)data;
> + int r;
> +
> + r = syncobj_command_submission_helper(sp->device,sp->syncobj_handle, false,
> + sp->point);
> + igt_assert_eq(r, 0);
> +
> + return (void *)(long)r;
> +}
> +
> +static void
> +amdgpu_syncobj_timeline(amdgpu_device_handle device_handle)
> +{
> + static pthread_t wait_thread;
> + static pthread_t signal_thread;
> + static pthread_t c_thread;
> + struct syncobj_point sp1, sp2, sp3;
> + uint32_t syncobj_handle;
> + uint64_t payload;
> + uint64_t wait_point, signal_point;
> + uint64_t timeout;
> + struct timespec tp;
> + int r, sync_fd;
> + void *tmp, *tmp2;
> +
> + r = amdgpu_cs_create_syncobj2(device_handle, 0, &syncobj_handle);
> + igt_assert_eq(r, 0);
> +
> + // wait on point 5
> + sp1.syncobj_handle = syncobj_handle;
> + sp1.device = device_handle;
> + sp1.point = 5;
> + r = pthread_create(&wait_thread, NULL, syncobj_wait, &sp1);
> + igt_assert_eq(r, 0);
> +
> + // signal on point 10
> + sp2.syncobj_handle = syncobj_handle;
> + sp2.device = device_handle;
> + sp2.point = 10;
> + r = pthread_create(&signal_thread, NULL, syncobj_signal, &sp2);
> + igt_assert_eq(r, 0);
> +
> + r = pthread_join(signal_thread, &tmp);
> + igt_assert_eq(r, 0);
> +
> + r = pthread_join(wait_thread, &tmp2);
> + igt_assert_eq(r, 0);
> +
> + //query timeline payload
> + r = amdgpu_cs_syncobj_query(device_handle, &syncobj_handle,
> + &payload, 1);
> + igt_assert_eq(r, 0);
> + igt_assert_eq(payload, 10);
> +
> + //signal on point 16
> + sp3.syncobj_handle = syncobj_handle;
> + sp3.device = device_handle;
> + sp3.point = 16;
> + r = pthread_create(&c_thread, NULL, syncobj_signal, &sp3);
> + igt_assert_eq(r, 0);
> +
> + //CPU wait on point 16
> + wait_point = 16;
> + timeout = 0;
> + clock_gettime(CLOCK_MONOTONIC, &tp);
> + timeout = tp.tv_sec * 1000000000ULL + tp.tv_nsec;
> + timeout += 0x10000000000; //10s
> + r = amdgpu_cs_syncobj_timeline_wait(device_handle, &syncobj_handle,
> + &wait_point, 1, timeout,
> + DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL |
> + DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT,
> + NULL);
> +
> + igt_assert_eq(r, 0);
> + r = pthread_join(c_thread, &tmp);
> + igt_assert_eq(r, 0);
> +
> + // export point 16 and import to point 18
> + r = amdgpu_cs_syncobj_export_sync_file2(device_handle, syncobj_handle,
> + 16,
> + DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT,
> + &sync_fd);
> + igt_assert_eq(r, 0);
> + r = amdgpu_cs_syncobj_import_sync_file2(device_handle, syncobj_handle,
> + 18, sync_fd);
> + igt_assert_eq(r, 0);
> + r = amdgpu_cs_syncobj_query(device_handle, &syncobj_handle,
> + &payload, 1);
> + igt_assert_eq(r, 0);
> + igt_assert_eq(payload, 18);
> +
> + // CPU signal on point 20
> + signal_point = 20;
> + r = amdgpu_cs_syncobj_timeline_signal(device_handle, &syncobj_handle,
> + &signal_point, 1);
> + igt_assert_eq(r, 0);
> + r = amdgpu_cs_syncobj_query(device_handle, &syncobj_handle,
> + &payload, 1);
> + igt_assert_eq(r, 0);
> + igt_assert_eq(payload, 20);
> +
> + r = amdgpu_cs_destroy_syncobj(device_handle, syncobj_handle);
> + igt_assert_eq(r, 0);
> +
> +}
> +
> +igt_main
> +{
> + amdgpu_device_handle device;
> + int fd = -1;
> +
> + igt_fixture {
> + uint32_t major, minor;
> + int err;
> +
> + fd = drm_open_driver(DRIVER_AMDGPU);
> + err = amdgpu_device_initialize(fd, &major, &minor, &device);
> + igt_require(err == 0);
> + igt_require(syncobj_timeline_enable(fd));
> + igt_info("Initialized amdgpu, driver version %d.%d\n",
> + major, minor);
> +
> + }
> +
> + igt_subtest("amdgpu_syncobj_timeline")
> + amdgpu_syncobj_timeline(device);
> +
> + igt_fixture {
> + amdgpu_device_deinitialize(device);
> + close(fd);
> + }
> +}
> diff --git a/tests/amdgpu/meson.build b/tests/amdgpu/meson.build
> index 7fff7602f..7342bb714 100644
> --- a/tests/amdgpu/meson.build
> +++ b/tests/amdgpu/meson.build
> @@ -5,6 +5,7 @@ if libdrm_amdgpu.found()
> amdgpu_progs += [ 'amd_abm',
> 'amd_assr',
> 'amd_basic',
> + 'amd_syncobj',
> 'amd_bypass',
> 'amd_deadlock',
> 'amd_pci_unplug',
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