1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* 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@ffwll.ch> (based on gem_storedw_*.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 "i915_drm.h"
#include "drmtest.h"
#include "intel_bufmgr.h"
#include "intel_batchbuffer.h"
#include "intel_gpu_tools.h"
#include "i830_reg.h"
static drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
static drm_intel_bo *target_buffer, *blt_bo;
/*
* Testcase: Basic check for missed irqs on blt
*
* Execs one large and then immediately a tiny batch on the blt ring. Then waits
* on the second batch. This hopefully catches races in our irq acknowledgement.
*/
#define MI_COND_BATCH_BUFFER_END (0x36<<23 | 1)
#define MI_DO_COMPARE (1<<21)
static void
dummy_reloc_loop(void)
{
int i;
for (i = 0; i < 0x800; i++) {
BLIT_COPY_BATCH_START(batch->devid, 0);
OUT_BATCH((3 << 24) | /* 32 bits */
(0xcc << 16) | /* copy ROP */
4*4096);
OUT_BATCH(2048 << 16 | 0);
OUT_BATCH((4096) << 16 | (2048));
OUT_RELOC_FENCED(blt_bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
BLIT_RELOC_UDW(batch->devid);
OUT_BATCH(0 << 16 | 0);
OUT_BATCH(4*4096);
OUT_RELOC_FENCED(blt_bo, I915_GEM_DOMAIN_RENDER, 0, 0);
BLIT_RELOC_UDW(batch->devid);
ADVANCE_BATCH();
intel_batchbuffer_flush(batch);
BEGIN_BATCH(4);
OUT_BATCH(MI_FLUSH_DW | 1);
OUT_BATCH(0); /* reserved */
OUT_RELOC(target_buffer, I915_GEM_DOMAIN_RENDER,
I915_GEM_DOMAIN_RENDER, 0);
OUT_BATCH(MI_NOOP | (1<<22) | (0xf));
ADVANCE_BATCH();
intel_batchbuffer_flush(batch);
drm_intel_bo_map(target_buffer, 0);
// map to force completion
drm_intel_bo_unmap(target_buffer);
}
}
int main(int argc, char **argv)
{
int fd;
int devid;
igt_skip_on_simulation();
fd = drm_open_any();
devid = intel_get_drm_devid(fd);
if (!HAS_BLT_RING(devid)) {
fprintf(stderr, "not (yet) implemented for pre-snb\n");
return 77;
}
bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
igt_assert(bufmgr);
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);
blt_bo = drm_intel_bo_alloc(bufmgr, "target bo", 4*4096*4096, 4096);
igt_assert(blt_bo);
dummy_reloc_loop();
drm_intel_bo_unreference(target_buffer);
intel_batchbuffer_free(batch);
drm_intel_bufmgr_destroy(bufmgr);
close(fd);
return 0;
}
|
