2 * Copyright © 2009 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Eric Anholt <eric@anholt.net>
25 * Jesse Barnes <jbarnes@virtuousgeek.org> (based on gem_bad_blit.c)
40 #include "intel_bufmgr.h"
41 #include "intel_batchbuffer.h"
42 #include "intel_gpu_tools.h"
44 static drm_intel_bufmgr *bufmgr;
45 struct intel_batchbuffer *batch;
46 static drm_intel_bo *target_buffer;
47 static int has_ppgtt = 0;
50 * Testcase: Basic bsd MI check using MI_STORE_DATA_IMM
54 store_dword_loop(int divider)
59 printf("running storedw loop on bsd with stall every %i batch\n", divider);
61 cmd = MI_STORE_DWORD_IMM;
63 cmd |= MI_MEM_VIRTUAL;
65 for (i = 0; i < SLOW_QUICK(0x100000, 0x10); i++) {
68 OUT_BATCH(0); /* reserved */
69 OUT_RELOC(target_buffer, I915_GEM_DOMAIN_INSTRUCTION,
70 I915_GEM_DOMAIN_INSTRUCTION, 0);
74 intel_batchbuffer_flush_on_ring(batch, I915_EXEC_BSD);
79 drm_intel_bo_map(target_buffer, 0);
81 buf = target_buffer->virtual;
84 "value mismatch: cur 0x%08x, stored 0x%08x\n",
89 drm_intel_bo_unmap(target_buffer);
95 drm_intel_bo_map(target_buffer, 0);
96 buf = target_buffer->virtual;
98 printf("completed %d writes successfully, current value: 0x%08x\n", i,
100 drm_intel_bo_unmap(target_buffer);
103 int main(int argc, char **argv)
109 fprintf(stderr, "usage: %s\n", argv[0]);
114 devid = intel_get_drm_devid(fd);
116 has_ppgtt = gem_uses_aliasing_ppgtt(fd);
118 if (IS_GEN2(devid) || IS_GEN3(devid) || IS_GEN4(devid) || IS_GEN5(devid)) {
120 fprintf(stderr, "MI_STORE_DATA can only use GTT address on gen4+/g33 and "
121 "needs snoopable mem on pre-gen6\n");
125 if (IS_GEN6(devid)) {
127 fprintf(stderr, "MI_STORE_DATA broken on gen6 bsd\n");
131 /* This only works with ppgtt */
133 fprintf(stderr, "no ppgtt detected, which is required\n");
137 bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
139 fprintf(stderr, "failed to init libdrm\n");
142 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
144 batch = intel_batchbuffer_alloc(bufmgr, devid);
146 fprintf(stderr, "failed to create batch buffer\n");
150 target_buffer = drm_intel_bo_alloc(bufmgr, "target bo", 4096, 4096);
151 if (!target_buffer) {
152 fprintf(stderr, "failed to alloc target buffer\n");
158 if (!igt_run_in_simulation()) {
163 drm_intel_bo_unreference(target_buffer);
164 intel_batchbuffer_free(batch);
165 drm_intel_bufmgr_destroy(bufmgr);