/* * Copyright © 2008 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: * Eric Anholt * */ #include #include #include #include #include #include #include #include #include "drm.h" #include "radeon_drm.h" #define OBJECT_SIZE 16384 int do_read(int fd, int handle, void *buf, int offset, int size) { struct drm_radeon_gem_pread read; /* Ensure that we don't have any convenient data in buf in case * we fail. */ memset(buf, 0xd0, size); memset(&read, 0, sizeof(read)); read.handle = handle; read.data_ptr = (uintptr_t)buf; read.size = size; read.offset = offset; return ioctl(fd, DRM_IOCTL_RADEON_GEM_PREAD, &read); } int do_write(int fd, int handle, void *buf, int offset, int size) { struct drm_radeon_gem_pwrite write; memset(&write, 0, sizeof(write)); write.handle = handle; write.data_ptr = (uintptr_t)buf; write.size = size; write.offset = offset; return ioctl(fd, DRM_IOCTL_RADEON_GEM_PWRITE, &write); } int main(int argc, char **argv) { int fd; struct drm_radeon_gem_create create; struct drm_radeon_gem_mmap mmap; struct drm_gem_close unref; uint8_t expected[OBJECT_SIZE]; uint8_t buf[OBJECT_SIZE]; uint8_t *addr; int ret; int handle; fd = drm_open_any(); memset(&mmap, 0, sizeof(mmap)); mmap.handle = 0x10101010; mmap.offset = 0; mmap.size = 4096; printf("Testing mmaping of bad object.\n"); ret = ioctl(fd, DRM_IOCTL_RADEON_GEM_MMAP, &mmap); assert(ret == -1 && errno == EINVAL); memset(&create, 0, sizeof(create)); create.size = OBJECT_SIZE; ret = ioctl(fd, DRM_IOCTL_RADEON_GEM_CREATE, &create); assert(ret == 0); handle = create.handle; printf("Testing mmaping of newly created object.\n"); mmap.handle = handle; mmap.offset = 0; mmap.size = OBJECT_SIZE; ret = ioctl(fd, DRM_IOCTL_RADEON_GEM_MMAP, &mmap); assert(ret == 0); addr = (uint8_t *)(uintptr_t)mmap.addr_ptr; printf("Testing contents of newly created object.\n"); memset(expected, 0, sizeof(expected)); assert(memcmp(addr, expected, sizeof(expected)) == 0); printf("Testing coherency of writes and mmap reads.\n"); memset(buf, 0, sizeof(buf)); memset(buf + 1024, 0x01, 1024); memset(expected + 1024, 0x01, 1024); ret = do_write(fd, handle, buf, 0, OBJECT_SIZE); assert(ret == 0); assert(memcmp(buf, addr, sizeof(buf)) == 0); printf("Testing that mapping stays after close\n"); unref.handle = handle; ret = ioctl(fd, DRM_IOCTL_GEM_CLOSE, &unref); assert(ret == 0); assert(memcmp(buf, addr, sizeof(buf)) == 0); printf("Testing unmapping\n"); munmap(addr, OBJECT_SIZE); close(fd); return 0; } id='n31' href='#n31'>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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186

/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
 */
/*
 *
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 *
 * 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, sub license, 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
 *
 */

#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"

#include "drm_pciids.h"

static struct pci_device_id pciidlist[] = {
	i915_PCI_IDS
};

#ifdef I915_HAVE_FENCE
extern struct drm_fence_driver i915_fence_driver;
#endif

#ifdef I915_HAVE_BUFFER

static uint32_t i915_mem_prios[] = {DRM_BO_MEM_PRIV0, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL};
static uint32_t i915_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_LOCAL};

static struct drm_bo_driver i915_bo_driver = {
	.mem_type_prio = i915_mem_prios,
	.mem_busy_prio = i915_busy_prios,
	.num_mem_type_prio = sizeof(i915_mem_prios)/sizeof(uint32_t),
	.num_mem_busy_prio = sizeof(i915_busy_prios)/sizeof(uint32_t),
	.create_ttm_backend_entry = i915_create_ttm_backend_entry,
	.fence_type = i915_fence_type,
	.invalidate_caches = i915_invalidate_caches,
	.init_mem_type = i915_init_mem_type,
	.evict_flags = i915_evict_flags,
	.move = i915_move,
	.ttm_cache_flush = i915_flush_ttm,
	.command_stream_barrier = NULL,
};
#endif

static int i915_suspend(struct drm_device *dev, pm_message_t state)
{
	struct drm_i915_private *dev_priv = dev->dev_private;

	if (!dev || !dev_priv) {
		printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
		printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
		return -ENODEV;
	}

	if (state.event == PM_EVENT_PRETHAW)
		return 0;

	pci_save_state(dev->pdev);

	i915_save_state(dev);

	if (state.event == PM_EVENT_SUSPEND) {
		/* Shut down the device */
		pci_disable_device(dev->pdev);
		pci_set_power_state(dev->pdev, PCI_D3hot);
	}

	return 0;
}