[igt-dev] [PATCH i-g-t v4 10/10] tests/xe_gpgpu_fill: Exercise gpgpu fill on Xe

[Manszewski, Christoph]

Hi Zbigniew,

On 21.04.2023 07:54, Zbigniew Kempczyński wrote:
> Reuse gpgpu fill already exercised on i915 on Xe.
> 
> Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
> ---
>   tests/intel-ci/xe-fast-feedback.testlist |   1 +
>   tests/meson.build                        |   1 +
>   tests/xe/xe_gpgpu_fill.c                 | 133 +++++++++++++++++++++++
>   3 files changed, 135 insertions(+)
>   create mode 100644 tests/xe/xe_gpgpu_fill.c
> 
> diff --git a/tests/intel-ci/xe-fast-feedback.testlist b/tests/intel-ci/xe-fast-feedback.testlist
> index 704c7f6e83..9a38135f27 100644
> --- a/tests/intel-ci/xe-fast-feedback.testlist
> +++ b/tests/intel-ci/xe-fast-feedback.testlist
> @@ -100,6 +100,7 @@ igt at xe_exec_threads@threads-mixed-fd-basic
>   igt at xe_exec_threads@threads-bal-mixed-basic
>   igt at xe_exec_threads@threads-bal-mixed-shared-vm-basic
>   igt at xe_exec_threads@threads-bal-mixed-fd-basic
> +igt at xe_gpgpu_fill@basic
>   igt at xe_guc_pc@freq_basic_api
>   igt at xe_guc_pc@freq_fixed_idle
>   igt at xe_guc_pc@freq_range_idle
> diff --git a/tests/meson.build b/tests/meson.build
> index 5c7affad88..0e33cb3533 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -253,6 +253,7 @@ xe_progs = [
>   	'xe_exec_fault_mode',
>   	'xe_exec_reset',
>   	'xe_exec_threads',
> +	'xe_gpgpu_fill',
>   	'xe_guc_pc',
>   	'xe_huc_copy',
>   	'xe_intel_bb',
> diff --git a/tests/xe/xe_gpgpu_fill.c b/tests/xe/xe_gpgpu_fill.c
> new file mode 100644
> index 0000000000..e9975d20e8
> --- /dev/null
> +++ b/tests/xe/xe_gpgpu_fill.c
> @@ -0,0 +1,133 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright © 2023 Intel Corporation
> + */
> +
> +/**
> + * TEST: Basic tests for gpgpu functionality
> + * Category: Software building block
> + * Sub-category: gpgpu
> + * Test category: functionality test
> + */
> +
> +#include <errno.h>
> +#include <fcntl.h>
> +#include <inttypes.h>
> +#include <stdbool.h>
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <string.h>
> +#include <sys/ioctl.h>
> +#include <sys/stat.h>
> +#include <sys/time.h>
> +#include <unistd.h>
> +
> +#include "drm.h"
> +#include "i915/gem.h"
> +#include "igt.h"
> +#include "igt_collection.h"
> +#include "intel_bufops.h"
> +#include "xe/xe_ioctl.h"
> +#include "xe/xe_query.h"
> +
> +#define WIDTH 64
> +#define HEIGHT 64
> +#define STRIDE (WIDTH)
> +#define SIZE (HEIGHT*STRIDE)
> +#define COLOR_C4	0xc4
> +#define COLOR_4C	0x4c
> +
> +typedef struct {
> +	int drm_fd;
> +	uint32_t devid;
> +	struct buf_ops *bops;
> +} data_t;
> +
> +static struct intel_buf *
> +create_buf(data_t *data, int width, int height, uint8_t color, uint64_t region)
> +{
> +	struct intel_buf *buf;
> +	uint8_t *ptr;
> +	int i;
> +
> +	buf = calloc(1, sizeof(*buf));
> +	igt_assert(buf);
> +
> +	buf = intel_buf_create(data->bops, width/4, height, 32, 0,
> +			       I915_TILING_NONE, 0);
> +
> +	ptr = xe_bo_map(data->drm_fd, buf->handle, buf->surface[0].size);
> +
> +	for (i = 0; i < buf->surface[0].size; i++)
> +		ptr[i] = color;
> +
> +	munmap(ptr, buf->surface[0].size);
> +
> +	return buf;
> +}
> +
> +static void buf_check(uint8_t *ptr, int x, int y, uint8_t color)
> +{
> +	uint8_t val;
> +
> +	val = ptr[y * WIDTH + x];
> +	igt_assert_f(val == color,
> +		     "Expected 0x%02x, found 0x%02x at (%d,%d)\n",
> +		     color, val, x, y);
> +}
> +
> +/**
> + * SUBTEST: basic
> + * Description: run gpgpu fill
> + * Run type: FULL
> + * TODO: change ``'Run type' == FULL`` to a better category
> + */
> +
> +static void gpgpu_fill(data_t *data, igt_fillfunc_t fill, uint32_t region)
> +{
> +	struct intel_buf *buf;
> +	uint8_t *ptr;
> +	int i, j;
> +
> +	buf = create_buf(data, WIDTH, HEIGHT, COLOR_C4, region);
> +	ptr = xe_bo_map(data->drm_fd, buf->handle, buf->surface[0].size);
> +
> +	for (i = 0; i < WIDTH; i++)
> +		for (j = 0; j < HEIGHT; j++)
> +			buf_check(ptr, i, j, COLOR_C4);
> +
> +	fill(data->drm_fd, buf, 0, 0, WIDTH / 2, HEIGHT / 2, COLOR_4C);
> +
> +	for (i = 0; i < WIDTH; i++)
> +		for (j = 0; j < HEIGHT; j++)
> +			if (i < WIDTH / 2 && j < HEIGHT / 2)
> +				buf_check(ptr, i, j, COLOR_4C);
> +			else
> +				buf_check(ptr, i, j, COLOR_C4);
> +
> +	munmap(ptr, buf->surface[0].size);
> +}
> +
> +igt_main
> +{
> +	data_t data = {0, };
> +	igt_fillfunc_t fill_fn = NULL;
> +
> +	igt_fixture {
> +		data.drm_fd = drm_open_driver_render(DRIVER_XE);
> +		data.devid = intel_get_drm_devid(data.drm_fd);
> +		data.bops = buf_ops_create(data.drm_fd);
> +
> +		fill_fn = igt_get_gpgpu_fillfunc(data.devid);

Maybe similar to gem_gpgpu_fill we could add:

igt_require_f(fill_fn, "no gpgpu-fill function\n");

Also:
Reviewed-by: Christoph Manszewski <christoph.manszewski at intel.com>

Christoph


> +		xe_device_get(data.drm_fd);
> +	}
> +
> +	igt_subtest("basic") {
> +		gpgpu_fill(&data, fill_fn, 0);
> +	}
> +
> +	igt_fixture {
> +		xe_device_put(data.drm_fd);
> +		buf_ops_destroy(data.bops);
> +	}
> +}
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