From 8f6ebd4ac03f7c3c751d4d6bb4096d0285e34517 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Wed, 11 Apr 2012 15:28:26 +0200 Subject: [PATCH] tests: add gem_gtt_concurrent_blit Same test as Chris Wilson's gem_cpu_concurrent_blit, but for gtt mmaps. Signed-off-by: Daniel Vetter --- tests/.gitignore | 1 + tests/Makefile.am | 1 + tests/gem_gtt_concurrent_blit.c | 134 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 136 insertions(+) create mode 100644 tests/gem_gtt_concurrent_blit.c diff --git a/tests/.gitignore b/tests/.gitignore index 529ee36..b4876f1 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -20,6 +20,7 @@ gem_fence_thrash gem_flink gem_gtt_speed gem_gtt_speed +gem_gtt_concurrent_blit gem_hang gem_hangcheck_forcewake gem_largeobject diff --git a/tests/Makefile.am b/tests/Makefile.am index f124292..89e693b 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -10,6 +10,7 @@ TESTS_progs = \ getstats \ gem_basic \ gem_cpu_concurrent_blit \ + gem_gtt_concurrent_blit \ gem_exec_nop \ gem_exec_blt \ gem_exec_bad_domains \ diff --git a/tests/gem_gtt_concurrent_blit.c b/tests/gem_gtt_concurrent_blit.c new file mode 100644 index 0000000..4a315cf --- /dev/null +++ b/tests/gem_gtt_concurrent_blit.c @@ -0,0 +1,134 @@ +/* + * Copyright © 2009,2012 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: + * Eric Anholt + * Chris Wilson + * + */ + +/** @file gem_cpu_concurrent_blit.c + * + * This is a test of GTT mmap read/write behavior when writing to active + * buffers. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" +#include "intel_bufmgr.h" +#include "intel_batchbuffer.h" +#include "intel_gpu_tools.h" + +static void +set_bo(drm_intel_bo *bo, uint32_t val, int width, int height) +{ + int size = width * height; + uint32_t *vaddr; + + drm_intel_gem_bo_start_gtt_access(bo, true); + vaddr = bo->virtual; + while (size--) + *vaddr++ = val; +} + +static void +cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height) +{ + int size = width * height; + uint32_t *vaddr; + + drm_intel_gem_bo_start_gtt_access(bo, false); + vaddr = bo->virtual; + while (size--) + assert(*vaddr++ == val); +} + +static drm_intel_bo * +create_bo(drm_intel_bufmgr *bufmgr, uint32_t val, int width, int height) +{ + drm_intel_bo *bo; + + bo = drm_intel_bo_alloc(bufmgr, "bo", 4*width*height, 0); + assert(bo); + + /* gtt map doesn't have a write parameter, so just keep the mapping + * around (to avoid the set_domain with the gtt write domain set) and + * manually tell the kernel when we start access the gtt. */ + drm_intel_gem_bo_map_gtt(bo); + + set_bo(bo, val, width, height); + + return bo; +} + +int +main(int argc, char **argv) +{ + drm_intel_bufmgr *bufmgr; + struct intel_batchbuffer *batch; + int num_buffers = 128, max; + drm_intel_bo *src[128], *dst[128]; + int width = 512, height = 512; + int fd; + int i; + + fd = drm_open_any(); + + max = gem_aperture_size (fd) / (1024 * 1024) / 2; + if (num_buffers > max) + num_buffers = max; + + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); + + for (i = 0; i < num_buffers; i++) { + src[i] = create_bo(bufmgr, i, width, height); + dst[i] = create_bo(bufmgr, ~i, width, height); + } + + /* try to overwrite the source values */ + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + set_bo(src[i], 0xdeadbeef, width, height); + for (i = 0; i < num_buffers; i++) + cmp_bo(dst[i], i, width, height); + + /* try to read the results before the copy completes */ + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + cmp_bo(dst[i], 0xdeadbeef, width, height); + + return 0; +} -- 2.7.4