[PATCH 01/18] tests/gem_storedw_loop: add new store_dword test to unify per-ring ones

Jesse Barnes
2015-08-13T20:38:32Z

There was a lot of duplication going on... Mark as basic while we're at
it as these should never fail.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
tests/Makefile.sources | 1 +
tests/gem_storedw_loop.c | 181 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 182 insertions(+)
create mode 100644 tests/gem_storedw_loop.c

diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index b9a4cb4..cdcee33 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -138,6 +138,7 @@ TESTS_progs = \
gem_seqno_wrap \
gem_set_tiling_vs_gtt \
gem_set_tiling_vs_pwrite \
+ gem_storedw_loop \
gem_storedw_loop_blt \
gem_storedw_loop_bsd \
gem_storedw_loop_render \
diff --git a/tests/gem_storedw_loop.c b/tests/gem_storedw_loop.c
new file mode 100644
index 0000000..e4ed35d
--- /dev/null
+++ b/tests/gem_storedw_loop.c
@@ -0,0 +1,181 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Jesse Barnes <jbarnes@virtuousgeek.org> (based on gem_bad_blit.c)
+ *
+ */
+
+#include <stdlib.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 "ioctl_wrappers.h"
+#include "drmtest.h"
+#include "intel_bufmgr.h"
+#include "intel_batchbuffer.h"
+#include "intel_io.h"
+#include "intel_chipset.h"
+
+IGT_TEST_DESCRIPTION("Basic CS check using MI_STORE_DATA_IMM.");
+
+#define LOCAL_I915_EXEC_VEBOX (4<<0)
+
+static drm_intel_bufmgr *bufmgr;
+struct intel_batchbuffer *batch;
+static drm_intel_bo *target_buffer;
+static int has_ppgtt = 0;
+static int devid;
+
+/*
+ * Testcase: Basic bsd MI check using MI_STORE_DATA_IMM
+ */
+
+static void
+emit_store_dword_imm(drm_intel_bo *dest, uint32_t val)
+{
+ int cmd;
+ cmd = MI_STORE_DWORD_IMM;
+ if (!has_ppgtt)
+ cmd |= MI_MEM_VIRTUAL;
+
+ BEGIN_BATCH(4, 0);
+ OUT_BATCH(cmd);
+ if (batch->gen >= 8) {
+ OUT_RELOC(dest, I915_GEM_DOMAIN_INSTRUCTION,
+ I915_GEM_DOMAIN_INSTRUCTION, 0);
+ OUT_BATCH(val);
+ } else {
+ OUT_BATCH(0); /* reserved */
+ OUT_RELOC(dest, I915_GEM_DOMAIN_INSTRUCTION,
+ I915_GEM_DOMAIN_INSTRUCTION, 0);
+ OUT_BATCH(val);
+ }
+ ADVANCE_BATCH();
+}
+
+static void
+store_dword_loop(int ring, int count, int divider)
+{
+ int i, val = 0;
+ uint32_t *buf;
+
+ igt_info("running storedw loop on render with stall every %i batch\n", divider);
+
+ for (i = 0; i < SLOW_QUICK(0x2000, 0x10); i++) {
+ emit_store_dword_imm(target_buffer, val);
+ intel_batchbuffer_flush_on_ring(batch, ring);
+
+ if (i % divider != 0)
+ goto cont;
+
+ drm_intel_bo_map(target_buffer, 0);
+
+ buf = target_buffer->virtual;
+ igt_assert_f(buf[0] == val,
+ "value mismatch: cur 0x%08x, stored 0x%08x\n",
+ buf[0], val);
+
+ drm_intel_bo_unmap(target_buffer);
+
+cont:
+ val++;
+ }
+
+ drm_intel_bo_map(target_buffer, 0);
+ buf = target_buffer->virtual;
+
+ igt_info("completed %d writes successfully, current value: 0x%08x\n", i,
+ buf[0]);
+ drm_intel_bo_unmap(target_buffer);
+}
+
+static void
+store_test(int ring, int count)
+{
+ drm_intel_bufmgr_gem_enable_reuse(bufmgr);
+
+ batch = intel_batchbuffer_alloc(bufmgr, devid);
+ igt_assert(batch);
+
+ target_buffer = drm_intel_bo_alloc(bufmgr, "target bo", 4096, 4096);
+ igt_assert(target_buffer);
+
+ store_dword_loop(ring, count, 1);
+ store_dword_loop(ring, count, 2);
+ if (!igt_run_in_simulation()) {
+ store_dword_loop(ring, count, 3);
+ store_dword_loop(ring, count, 5);
+ }
+
+ drm_intel_bo_unreference(target_buffer);
+ intel_batchbuffer_free(batch);
+ drm_intel_bufmgr_destroy(bufmgr);
+}
+
+struct ring {
+ const char *name;
+ int id;
+} rings[] = {
+ { "bsd", I915_EXEC_BSD },
+ { "render", I915_EXEC_RENDER },
+ { "blt", I915_EXEC_BLT },
+ { "vebox", I915_EXEC_VEBOX },
+};
+
+igt_main
+{
+ int fd, i;
+
+ igt_fixture {
+ fd = drm_open_any();
+ devid = intel_get_drm_devid(fd);
+
+ bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
+ igt_assert(bufmgr);
+
+ has_ppgtt = gem_uses_aliasing_ppgtt(fd);
+
+ igt_skip_on_f(intel_gen(devid) < 6,
+ "MI_STORE_DATA can only use GTT address on gen4+/g33 and "
+ "needs snoopable mem on pre-gen6\n");
+
+ /* This only works with ppgtt */
+ igt_require(has_ppgtt);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rings); i++) {
+ igt_subtest_f("basic-%s", rings[i].name)
+ store_test(rings[i].id, 16*1024);
+
+ igt_subtest_f("long-%s", rings[i].name)
+ store_test(rings[i].id, 1024*1024);
+ }
+
+ close(fd);
+}
--
1.9.1