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https://github.com/tiagovignatti/intel-gpu-tools.git
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c03c6ceb29
With the header cleanup we can now give this header a suitable name, since it now really only contains register access and other I/O functions and assorted definitions. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
137 lines
3.9 KiB
C
137 lines
3.9 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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#include "intel_chipset.h"
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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 gtt mmap 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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bool tiling_changed;
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int tile_height;
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igt_skip_on_simulation();
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fd = drm_open_any();
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if (IS_GEN2(intel_get_drm_devid(fd)))
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tile_height = 16;
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else
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tile_height = 8;
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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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/* gtt coherency is done with set_domain in libdrm, don't break that */
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
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for (i = 0; i < OBJECT_SIZE/4; i++)
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ptr[i] = data[i] = i;
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gem_set_tiling(fd, handle, I915_TILING_X, TEST_STRIDE);
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printf("testing untiled->tiled\n");
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tiling_changed = false;
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, 0);
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/* Too lazy to check for the correct tiling, and impossible anyway on
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* bit17 swizzling machines. */
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for (i = 0; i < OBJECT_SIZE/4; i++)
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if (ptr[i] != data[i])
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tiling_changed = true;
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igt_assert(tiling_changed);
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
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for (i = 0; i < OBJECT_SIZE/4; i++)
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ptr[i] = data[i] = i;
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gem_set_tiling(fd, handle, I915_TILING_X, TEST_STRIDE*2);
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printf("testing tiled->tiled\n");
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, 0);
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for (i = 0; i < OBJECT_SIZE/4; i++) {
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int tile_row = i / (TEST_STRIDE * tile_height / 4);
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int row = i / (TEST_STRIDE * 2 / 4);
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int half = i & (TEST_STRIDE / 4);
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int ofs = i % (TEST_STRIDE / 4);
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int data_i = (tile_row/2)*(TEST_STRIDE * tile_height / 4)
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+ row*TEST_STRIDE/4
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+ half*tile_height + ofs;
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uint32_t val = data[data_i];
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if (ptr[i] != val) {
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printf("mismatch at %i, row=%i, half=%i, ofs=%i\n",
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i, row, half, ofs);
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printf("read: 0x%08x, expected: 0x%08x\n",
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ptr[i], val);
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igt_assert(0);
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}
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}
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
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for (i = 0; i < OBJECT_SIZE/4; i++)
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ptr[i] = data[i] = i;
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gem_set_tiling(fd, handle, I915_TILING_NONE, 0);
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printf("testing tiled->untiled\n");
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tiling_changed = false;
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gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, 0);
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/* Too lazy to check for the correct tiling, and impossible anyway on
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* bit17 swizzling machines. */
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for (i = 0; i < OBJECT_SIZE/4; i++)
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if (ptr[i] != data[i])
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tiling_changed = true;
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igt_assert(tiling_changed);
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munmap(ptr, OBJECT_SIZE);
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close(fd);
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}
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