Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2012 Intel Corporation |
| 3 | * |
| 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: |
| 10 | * |
| 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 |
| 13 | * Software. |
| 14 | * |
| 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 |
| 21 | * IN THE SOFTWARE. |
| 22 | * |
| 23 | * Authors: |
| 24 | * Daniel Vetter <daniel.vetter@ffwll.ch> |
| 25 | * |
| 26 | */ |
| 27 | |
Thomas Wood | 804e11f | 2015-08-17 17:57:43 +0100 | [diff] [blame] | 28 | #include "igt.h" |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 29 | #include <unistd.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <stdio.h> |
| 32 | #include <string.h> |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 33 | #include <fcntl.h> |
| 34 | #include <inttypes.h> |
| 35 | #include <errno.h> |
| 36 | #include <sys/stat.h> |
| 37 | #include <sys/ioctl.h> |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 38 | #include "drm.h" |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 39 | |
Thomas Wood | b2ac264 | 2014-11-28 11:02:44 +0000 | [diff] [blame] | 40 | IGT_TEST_DESCRIPTION("Check set_tiling vs pwrite coherency."); |
| 41 | |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 42 | #define OBJECT_SIZE (1024*1024) |
| 43 | #define TEST_STRIDE (1024*4) |
| 44 | |
| 45 | /** |
| 46 | * Testcase: Check set_tiling vs pwrite coherency |
| 47 | */ |
| 48 | |
Daniel Vetter | dda85fb | 2013-12-10 10:18:32 +0100 | [diff] [blame] | 49 | igt_simple_main |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 50 | { |
| 51 | int fd; |
| 52 | uint32_t *ptr; |
| 53 | uint32_t data[OBJECT_SIZE/4]; |
| 54 | int i; |
| 55 | uint32_t handle; |
| 56 | |
Daniel Vetter | 1caaf0a | 2013-08-12 12:17:35 +0200 | [diff] [blame] | 57 | igt_skip_on_simulation(); |
Damien Lespiau | 5fa15f7 | 2013-04-29 18:40:39 +0100 | [diff] [blame] | 58 | |
Micah Fedke | c81d293 | 2015-07-22 21:54:02 +0000 | [diff] [blame] | 59 | fd = drm_open_driver(DRIVER_INTEL); |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 60 | |
| 61 | for (i = 0; i < OBJECT_SIZE/4; i++) |
| 62 | data[i] = i; |
| 63 | |
| 64 | handle = gem_create(fd, OBJECT_SIZE); |
Ville Syrjälä | f52e7ec | 2015-10-09 19:11:39 +0300 | [diff] [blame] | 65 | ptr = gem_mmap__gtt(fd, handle, OBJECT_SIZE, PROT_READ | PROT_WRITE); |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 66 | |
| 67 | gem_set_tiling(fd, handle, I915_TILING_X, TEST_STRIDE); |
| 68 | |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 69 | /* touch it */ |
| 70 | gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); |
| 71 | *ptr = 0xdeadbeef; |
| 72 | |
Daniel Vetter | e624fa8 | 2014-05-14 00:36:04 +0200 | [diff] [blame] | 73 | igt_info("testing pwrite on tiled buffer\n"); |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 74 | gem_write(fd, handle, 0, data, OBJECT_SIZE); |
| 75 | memset(data, 0, OBJECT_SIZE); |
| 76 | gem_read(fd, handle, 0, data, OBJECT_SIZE); |
| 77 | for (i = 0; i < OBJECT_SIZE/4; i++) |
Daniel Vetter | 8344095 | 2013-08-13 12:35:58 +0200 | [diff] [blame] | 78 | igt_assert(i == data[i]); |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 79 | |
| 80 | /* touch it before changing the tiling, so that the fence sticks around */ |
| 81 | gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); |
| 82 | *ptr = 0xdeadbeef; |
| 83 | |
| 84 | gem_set_tiling(fd, handle, I915_TILING_NONE, 0); |
| 85 | |
Daniel Vetter | e624fa8 | 2014-05-14 00:36:04 +0200 | [diff] [blame] | 86 | igt_info("testing pwrite on untiled, but still fenced buffer\n"); |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 87 | gem_write(fd, handle, 0, data, OBJECT_SIZE); |
| 88 | memset(data, 0, OBJECT_SIZE); |
| 89 | gem_read(fd, handle, 0, data, OBJECT_SIZE); |
| 90 | for (i = 0; i < OBJECT_SIZE/4; i++) |
Daniel Vetter | 8344095 | 2013-08-13 12:35:58 +0200 | [diff] [blame] | 91 | igt_assert(i == data[i]); |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 92 | |
| 93 | munmap(ptr, OBJECT_SIZE); |
| 94 | |
| 95 | close(fd); |
Daniel Vetter | 16bc619 | 2012-04-17 22:02:33 +0200 | [diff] [blame] | 96 | } |