[igt-dev] [PATCH i-g-t] gem_cs_prefetch: Remove gem_cs_prefetch from IGT

Ewelina Musial ewelina.musial at intel.com
Wed Apr 11 08:27:13 UTC 2018


gem_cs_prefetch is replaced by igt_ggtt_scratch subtest in i915_gem_gtt
kselftest
---
 tests/Makefile.sources       |   1 -
 tests/gem_cs_prefetch.c      | 149 -------------------------------------------
 tests/intel-ci/blacklist.txt |   1 -
 tests/meson.build            |   1 -
 4 files changed, 152 deletions(-)
 delete mode 100644 tests/gem_cs_prefetch.c

diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 791e4f83..25afafeb 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -52,7 +52,6 @@ TESTS_progs = \
 	gem_concurrent_blit \
 	gem_cpu_reloc \
 	gem_create \
-	gem_cs_prefetch \
 	gem_cs_tlb \
 	gem_ctx_bad_destroy \
 	gem_ctx_bad_exec \
diff --git a/tests/gem_cs_prefetch.c b/tests/gem_cs_prefetch.c
deleted file mode 100644
index 2b865368..00000000
--- a/tests/gem_cs_prefetch.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright © 2011 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:
- *    Daniel Vetter <daniel.vetter at ffwll.ch>
- *
- */
-
-/*
- * Testcase: Test the CS prefetch behaviour on batches
- *
- * Historically the batch prefetcher doesn't check whether it's crossing page
- * boundaries and likes to throw up when it gets a pagefault in return for his
- * over-eager behaviour. Check for this.
- *
- * This test for a bug where we've failed to plug a scratch pte entry into the
- * very last gtt pte.
- */
-#include "igt.h"
-
-IGT_TEST_DESCRIPTION("Test the CS prefetch behaviour on batches.");
-
-#define BATCH_SIZE 4096
-
-struct shadow {
-	uint32_t handle;
-	struct drm_i915_gem_relocation_entry reloc;
-};
-
-static void setup(int fd, int gen, struct shadow *shadow)
-{
-	uint32_t buf[16];
-	int i;
-
-	shadow->handle = gem_create(fd, 4096);
-
-	i = 0;
-	buf[i++] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0);
-	if (gen >= 8) {
-		buf[i++] = BATCH_SIZE - sizeof(uint32_t);
-		buf[i++] = 0;
-	} else if (gen >= 4) {
-		buf[i++] = 0;
-		buf[i++] = BATCH_SIZE - sizeof(uint32_t);
-	} else {
-		buf[i-1]--;
-		buf[i++] = BATCH_SIZE - sizeof(uint32_t);
-	}
-	buf[i++] = MI_BATCH_BUFFER_END;
-	buf[i++] = MI_BATCH_BUFFER_END;
-	gem_write(fd, shadow->handle, 0, buf, sizeof(buf));
-
-	memset(&shadow->reloc, 0, sizeof(shadow->reloc));
-	if (gen >= 8 || gen < 4)
-		shadow->reloc.offset = sizeof(uint32_t);
-	else
-		shadow->reloc.offset = 2*sizeof(uint32_t);
-	shadow->reloc.delta = BATCH_SIZE - sizeof(uint32_t);
-	shadow->reloc.read_domains = I915_GEM_DOMAIN_INSTRUCTION;
-	shadow->reloc.write_domain = I915_GEM_DOMAIN_INSTRUCTION;
-}
-
-static void can_test_ring(unsigned ring)
-{
-	int master = drm_open_driver_master(DRIVER_INTEL);
-	int fd = drm_open_driver(DRIVER_INTEL);
-
-	/* Dance to avoid dying with master open */
-	close(master);
-	igt_require_gem(fd);
-	gem_require_ring(fd, ring);
-	igt_require(gem_can_store_dword(fd, ring));
-	close(fd);
-}
-
-static void test_ring(unsigned ring)
-{
-	struct drm_i915_gem_execbuffer2 execbuf;
-	struct drm_i915_gem_exec_object2 obj[2];
-	struct shadow shadow;
-	uint64_t i, count;
-	int fd, gen;
-
-	can_test_ring(ring);
-
-	fd = drm_open_driver_master(DRIVER_INTEL);
-	gen = intel_gen(intel_get_drm_devid(fd));
-	setup(fd, gen, &shadow);
-
-	count = gem_aperture_size(fd) / BATCH_SIZE;
-	intel_require_memory(count, BATCH_SIZE, CHECK_RAM);
-	/* Fill the entire gart with batches and run them. */
-	memset(obj, 0, sizeof(obj));
-	obj[1].handle = shadow.handle;
-	obj[1].relocs_ptr = to_user_pointer(&shadow.reloc);
-	obj[1].relocation_count = 1;
-
-	memset(&execbuf, 0, sizeof(execbuf));
-	execbuf.buffers_ptr = to_user_pointer(obj);
-	execbuf.flags = ring;
-	if (gen < 6)
-		execbuf.flags |= I915_EXEC_SECURE;
-
-	for (i = 0; i < count; i++) {
-		/* Create the new batch using the GPU */
-		obj[0].handle = gem_create(fd, BATCH_SIZE);
-		shadow.reloc.target_handle = obj[0].handle;
-		execbuf.buffer_count = 2;
-		gem_execbuf(fd, &execbuf);
-
-		/* ...then execute the new batch */
-		execbuf.buffer_count = 1;
-		gem_execbuf(fd, &execbuf);
-
-		/* ...and leak the handle to consume the GTT */
-	}
-
-	close(fd);
-}
-
-igt_main
-{
-	const struct intel_execution_engine *e;
-
-	igt_skip_on_simulation();
-
-	for (e = intel_execution_engines; e->name; e++)
-		igt_subtest_f("%s", e->name)
-			test_ring(e->exec_id | e->flags);
-}
diff --git a/tests/intel-ci/blacklist.txt b/tests/intel-ci/blacklist.txt
index d65d8ff3..4b16b155 100644
--- a/tests/intel-ci/blacklist.txt
+++ b/tests/intel-ci/blacklist.txt
@@ -7,7 +7,6 @@ igt at drm_mm(@.*)?
 igt at gem_busy@.*hang.*
 igt at gem_close_race@(?!.*basic).*
 igt at gem_concurrent_blit(@.*)?
-igt at gem_cs_prefetch(@.*)?
 igt at gem_ctx_create@(?!.*basic).*
 igt at gem_ctx_exec@(?!.*basic).*
 igt at gem_ctx_switch@(?!.*basic).*
diff --git a/tests/meson.build b/tests/meson.build
index 4720dfe2..058ed0f4 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -29,7 +29,6 @@ test_progs = [
 	'gem_concurrent_blit',
 	'gem_cpu_reloc',
 	'gem_create',
-	'gem_cs_prefetch',
 	'gem_cs_tlb',
 	'gem_ctx_bad_destroy',
 	'gem_ctx_bad_exec',
-- 
2.14.3



More information about the igt-dev mailing list