Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> Concurrent access to a mmap is covered by gem_mmap_gtt/concurrent,
> if we add tiled access to it, we make gem_threaded_access_tiled entirely
> redundant.
Aww, my first ever test for igt iirc.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> ---
> tests/Makefile.am | 2 -
> tests/Makefile.sources | 3 -
> tests/i915/gem_mmap_gtt.c | 21 +++--
> tests/i915/gem_threaded_access_tiled.c | 122 -------------------------
> tests/meson.build | 1 -
> 5 files changed, 15 insertions(+), 134 deletions(-)
> delete mode 100644 tests/i915/gem_threaded_access_tiled.c
>
> diff --git a/tests/Makefile.am b/tests/Makefile.am
> index 9f0dda7d7..415271add 100644
> --- a/tests/Makefile.am
> +++ b/tests/Makefile.am
> @@ -118,8 +118,6 @@ gem_mmap_wc_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
> gem_mmap_wc_LDADD = $(LDADD) -lpthread
> gem_sync_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
> gem_sync_LDADD = $(LDADD) -lpthread
> -gem_threaded_access_tiled_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
> -gem_threaded_access_tiled_LDADD = $(LDADD) -lpthread
> gem_tiled_swapping_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
> gem_tiled_swapping_LDADD = $(LDADD) -lpthread
> i915_pm_rc6_residency_LDADD = $(LDADD) $(top_builddir)/lib/libigt_perf.la
> diff --git a/tests/Makefile.sources b/tests/Makefile.sources
> index 15fb56048..d9c8f6104 100644
> --- a/tests/Makefile.sources
> +++ b/tests/Makefile.sources
> @@ -422,9 +422,6 @@ gem_streaming_writes_SOURCES = i915/gem_streaming_writes.c
> TESTS_progs += gem_sync
> gem_sync_SOURCES = i915/gem_sync.c
>
> -TESTS_progs += gem_threaded_access_tiled
> -gem_threaded_access_tiled_SOURCES = i915/gem_threaded_access_tiled.c
> -
> TESTS_progs += gem_tiled_blits
> gem_tiled_blits_SOURCES = i915/gem_tiled_blits.c
>
> diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c
> index 6ecff12b9..61fbc5bc7 100644
> --- a/tests/i915/gem_mmap_gtt.c
> +++ b/tests/i915/gem_mmap_gtt.c
> @@ -72,12 +72,14 @@ mmap_bo(int fd, uint32_t handle, uint64_t size)
> }
>
> static void *
> -create_pointer_size(int fd, uint64_t size)
> +create_pointer_size(int fd, uint64_t size, int tiling)
> {
> uint32_t handle;
> void *ptr;
>
> handle = gem_create(fd, size);
> + if (tiling)
> + gem_set_tiling(fd, handle, tiling, 1024);
>
> ptr = mmap_bo(fd, handle, size);
>
> @@ -89,7 +91,7 @@ create_pointer_size(int fd, uint64_t size)
> static void *
> create_pointer(int fd)
> {
> - return create_pointer_size(fd, OBJECT_SIZE);
> + return create_pointer_size(fd, OBJECT_SIZE, I915_TILING_NONE);
> }
>
> static void
> @@ -1180,20 +1182,23 @@ thread_fault_concurrent(void *closure)
> }
>
> static void
> -test_fault_concurrent(int fd)
> +test_fault_concurrent(int fd, int tiling)
> {
> uint32_t *ptr[32];
> struct thread_fault_concurrent thread[64];
> int *ctl;
> int n;
>
> - ctl = create_pointer_size(fd, 4096);
> + if (tiling != I915_TILING_NONE)
> + igt_require(gem_available_fences(fd) > 0);
> +
> + ctl = create_pointer_size(fd, 4096, I915_TILING_NONE);
> *ctl = 1;
>
> for (n = 0; n < 32; n++) {
> uint32_t sz = (n + 1) << 19; /* 512KiB increments */
>
> - ptr[n] = create_pointer_size(fd, sz);
> + ptr[n] = create_pointer_size(fd, sz, tiling);
> *ptr[n] = sz / sizeof(uint32_t); /* num_elems for convenience */
> }
>
> @@ -1301,7 +1306,11 @@ igt_main
> igt_subtest("basic-write-read-distinct")
> test_read_write2(fd, READ_AFTER_WRITE);
> igt_subtest("fault-concurrent")
> - test_fault_concurrent(fd);
> + test_fault_concurrent(fd, I915_TILING_NONE);
> + igt_subtest("fault-concurrent-X")
> + test_fault_concurrent(fd, I915_TILING_X);
> + igt_subtest("fault-concurrent-Y")
> + test_fault_concurrent(fd, I915_TILING_Y);
> igt_subtest("basic-write-cpu-read-gtt")
> test_write_cpu_read_gtt(fd);
> igt_subtest("basic-wc")
> diff --git a/tests/i915/gem_threaded_access_tiled.c b/tests/i915/gem_threaded_access_tiled.c
> deleted file mode 100644
> index 53b475a45..000000000
> --- a/tests/i915/gem_threaded_access_tiled.c
> +++ /dev/null
> @@ -1,122 +0,0 @@
> -/*
> - * Copyright (c) 2012 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:
> - * Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> - */
> -
> -#include "igt.h"
> -#include <stdlib.h>
> -#include <string.h>
> -#include <fcntl.h>
> -#include <unistd.h>
> -#include <pthread.h>
> -
> -IGT_TEST_DESCRIPTION("Check parallel access to tiled memory.");
> -
> -/* Testcase: check parallel access to tiled memory
> - *
> - * Parallel access to tiled memory caused sigbus
> - */
> -
> -#define NUM_THREADS 2
> -#define WIDTH 4096
> -#define HEIGHT 4096
> -
> -struct thread_ctx {
> - struct intel_buf *buf;
> -};
> -
> -static struct buf_ops *bops;
> -static struct thread_ctx tctx[NUM_THREADS];
> -
> -static void *copy_fn(void *p)
> -{
> - unsigned char *buf;
> - struct thread_ctx *c = p;
> -
> - buf = malloc(WIDTH * HEIGHT);
> - if (buf == NULL)
> - return (void *)1;
> -
> - memcpy(buf, c->buf->ptr, WIDTH * HEIGHT);
> -
> - free(buf);
> - return (void *)0;
> -}
> -
> -static int copy_tile_threaded(struct intel_buf *buf)
> -{
> - int i;
> - int r;
> - pthread_t thr[NUM_THREADS];
> - void *status;
> -
> - for (i = 0; i < NUM_THREADS; i++) {
> - tctx[i].buf = buf;
> - r = pthread_create(&thr[i], NULL, copy_fn, (void *)&tctx[i]);
> - igt_assert_eq(r, 0);
> - }
> -
> - for (i = 0; i < NUM_THREADS; i++) {
> - pthread_join(thr[i], &status);
> - igt_assert(status == 0);
> - }
> -
> - return 0;
> -}
> -
> -igt_simple_main
> -{
> - int fd;
> - struct intel_buf *buf;
> - uint32_t tiling_mode = I915_TILING_Y;
> - int r;
> -
> - fd = drm_open_driver(DRIVER_INTEL);
> - igt_assert(fd >= 0);
> -
> - igt_require(gem_available_fences(fd) > 0);
> -
> - bops = buf_ops_create(fd);
> -
> - buf = intel_buf_create(bops, WIDTH, HEIGHT, 8, 0, tiling_mode,
> - I915_COMPRESSION_NONE);
> - igt_assert(buf);
> -
> - buf->ptr = gem_mmap__gtt(fd, buf->handle, buf->surface[0].size,
> - PROT_WRITE | PROT_READ);
> - gem_set_domain(fd, buf->handle,
> - I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
> -
> - r = copy_tile_threaded(buf);
> - igt_assert(!r);
> -
> - r = gem_munmap(buf->ptr, buf->surface[0].size);
> - buf->ptr = NULL;
> - igt_assert(!r);
> -
> - intel_buf_destroy(buf);
> - buf_ops_destroy(bops);
> -
> - close(fd);
> -}
> diff --git a/tests/meson.build b/tests/meson.build
> index a2decf4ab..9d6006709 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -207,7 +207,6 @@ i915_progs = [
> 'gem_spin_batch',
> 'gem_streaming_writes',
> 'gem_sync',
> - 'gem_threaded_access_tiled',
> 'gem_tiled_blits',
> 'gem_tiled_fence_blits',
> 'gem_tiled_partial_pwrite_pread',
> --
> 2.29.2
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