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b2ac2642a9
Add more test descriptions based on exiting comments. Signed-off-by: Thomas Wood <thomas.wood@intel.com>
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*
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* Copyright © 2012 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Daniel Vetter <daniel.vetter@ffwll.ch>
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*
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include "drm.h"
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#include "ioctl_wrappers.h"
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#include "drmtest.h"
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#include "intel_io.h"
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IGT_TEST_DESCRIPTION("Check set_tiling vs pwrite coherency.");
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#define OBJECT_SIZE (1024*1024)
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#define TEST_STRIDE (1024*4)
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/**
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* Testcase: Check set_tiling vs pwrite coherency
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*/
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igt_simple_main
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{
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int fd;
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uint32_t *ptr;
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uint32_t data[OBJECT_SIZE/4];
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int i;
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uint32_t handle;
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igt_skip_on_simulation();
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fd = drm_open_any();
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for (i = 0; i < OBJECT_SIZE/4; i++)
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data[i] = i;
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handle = gem_create(fd, OBJECT_SIZE);
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ptr = gem_mmap(fd, handle, OBJECT_SIZE, PROT_READ | PROT_WRITE);
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igt_assert(ptr);
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gem_set_tiling(fd, handle, I915_TILING_X, TEST_STRIDE);
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/* touch it */
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
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*ptr = 0xdeadbeef;
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igt_info("testing pwrite on tiled buffer\n");
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gem_write(fd, handle, 0, data, OBJECT_SIZE);
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memset(data, 0, OBJECT_SIZE);
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gem_read(fd, handle, 0, data, OBJECT_SIZE);
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for (i = 0; i < OBJECT_SIZE/4; i++)
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igt_assert(i == data[i]);
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/* touch it before changing the tiling, so that the fence sticks around */
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
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*ptr = 0xdeadbeef;
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gem_set_tiling(fd, handle, I915_TILING_NONE, 0);
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igt_info("testing pwrite on untiled, but still fenced buffer\n");
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gem_write(fd, handle, 0, data, OBJECT_SIZE);
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memset(data, 0, OBJECT_SIZE);
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gem_read(fd, handle, 0, data, OBJECT_SIZE);
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for (i = 0; i < OBJECT_SIZE/4; i++)
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igt_assert(i == data[i]);
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munmap(ptr, OBJECT_SIZE);
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close(fd);
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}
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