mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
synced 2025-06-08 16:36:14 +00:00
804e11f40d
Add a header that includes all the headers for the library. This allows reorganisation of the library without affecting programs using it and also simplifies the headers that need to be included to use the library. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
/*
|
|
* 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@intel.com>
|
|
*/
|
|
|
|
#include "igt.h"
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <pthread.h>
|
|
|
|
#include "intel_bufmgr.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 {
|
|
drm_intel_bo *bo;
|
|
};
|
|
|
|
static drm_intel_bufmgr *bufmgr;
|
|
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->bo->virtual, WIDTH * HEIGHT);
|
|
|
|
free(buf);
|
|
return (void *)0;
|
|
}
|
|
|
|
static int copy_tile_threaded(drm_intel_bo *bo)
|
|
{
|
|
int i;
|
|
int r;
|
|
pthread_t thr[NUM_THREADS];
|
|
void *status;
|
|
|
|
for (i = 0; i < NUM_THREADS; i++) {
|
|
tctx[i].bo = bo;
|
|
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;
|
|
drm_intel_bo *bo;
|
|
uint32_t tiling_mode = I915_TILING_Y;
|
|
unsigned long pitch = 0;
|
|
int r;
|
|
|
|
igt_skip_on_simulation();
|
|
|
|
fd = drm_open_any();
|
|
igt_assert(fd >= 0);
|
|
|
|
bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
|
|
igt_assert(bufmgr);
|
|
|
|
bo = drm_intel_bo_alloc_tiled(bufmgr, "mmap bo", WIDTH, HEIGHT, 1,
|
|
&tiling_mode, &pitch, 0);
|
|
igt_assert(bo);
|
|
|
|
r = drm_intel_gem_bo_map_gtt(bo);
|
|
igt_assert(!r);
|
|
|
|
r = copy_tile_threaded(bo);
|
|
igt_assert(!r);
|
|
|
|
r = drm_intel_gem_bo_unmap_gtt(bo);
|
|
igt_assert(!r);
|
|
|
|
drm_intel_bo_unreference(bo);
|
|
drm_intel_bufmgr_destroy(bufmgr);
|
|
|
|
close(fd);
|
|
}
|