[igt-dev] [PATCH i-g-t 2/2] tests/xe_media_fill: Exercise media fill on Xe

["Zbigniew Kempczyński" <zbigniew.kempczynski@intel.com>]

Platforms like Tigerlake and DG1 have dedicated media pipeline so
add simple test which exercises it.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Christoph Manszewski <christoph.manszewski@intel.com>
---
 tests/meson.build        |   1 +
 tests/xe/xe_media_fill.c | 135 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 136 insertions(+)
 create mode 100644 tests/xe/xe_media_fill.c

diff --git a/tests/meson.build b/tests/meson.build
index b9f0a9c159..58061dbc26 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -282,6 +282,7 @@ xe_progs = [
 	'xe_huc_copy',
 	'xe_intel_bb',
 	'xe_live_ktest',
+	'xe_media_fill',
 	'xe_mmap',
 	'xe_mmio',
 	'xe_module_load',
diff --git a/tests/xe/xe_media_fill.c b/tests/xe/xe_media_fill.c
new file mode 100644
index 0000000000..5227ac3ee6
--- /dev/null
+++ b/tests/xe/xe_media_fill.c
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+/*
+ * This file is a basic test for the media_fill() function, a very simple
+ * workload for the Media pipeline.
+ */
+
+#include <stdbool.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+
+#include "drm.h"
+#include "igt.h"
+#include "xe/xe_ioctl.h"
+#include "xe/xe_query.h"
+
+/**
+ * TEST: xe media fill
+ * Description: Basic test for the media_fill() function,
+ *              a very simple workload for the Media pipeline.
+ * Feature: media
+ * Run type: FULL
+ *
+ * SUBTEST: media-fill
+ */
+
+IGT_TEST_DESCRIPTION("Basic test for the media_fill() function, a very simple"
+		     " xe workload for the Media pipeline.");
+
+#define WIDTH 64
+#define STRIDE (WIDTH)
+#define HEIGHT 64
+#define SIZE (HEIGHT*STRIDE)
+
+#define COLOR_C4	0xc4
+#define COLOR_4C	0x4c
+
+struct data_t {
+	int drm_fd;
+	uint32_t devid;
+	struct buf_ops *bops;
+};
+
+static struct intel_buf *
+create_buf(struct data_t *data, int width, int height, uint8_t color)
+{
+	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);
+}
+
+static void media_fill(struct data_t *data, igt_fillfunc_t fill)
+{
+	struct intel_buf *buf;
+	uint8_t *ptr;
+	int i, j;
+
+	buf = create_buf(data, WIDTH, HEIGHT, COLOR_C4);
+	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
+{
+	struct 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_media_fillfunc(data.devid);
+
+		igt_require_f(fill_fn, "no media-fill function\n");
+	}
+
+	igt_subtest("media-fill")
+		media_fill(&data, fill_fn);
+
+	igt_fixture {
+		drm_close_driver(data.drm_fd);
+	}
+}
+
-- 
2.34.1