1/*-
2 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 *
25 * Author:
26 * Rickard E. (Rik) Faith <faith@valinux.com>
27 * Gareth Hughes <gareth@valinux.com>
28 *
29 */
30
31#include <sys/cdefs.h>
| 1/*-
2 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 *
25 * Author:
26 * Rickard E. (Rik) Faith <faith@valinux.com>
27 * Gareth Hughes <gareth@valinux.com>
28 *
29 */
30
31#include <sys/cdefs.h>
|
33
34/** @file drm_agpsupport.c
35 * Support code for tying the kernel AGP support to DRM drivers and
36 * the DRM's AGP ioctls.
37 */
38
39#include <dev/drm2/drmP.h>
40
41#include <dev/agp/agpreg.h>
42#include <dev/pci/pcireg.h>
43
44/* Returns 1 if AGP or 0 if not. */
45static int
46drm_device_find_capability(struct drm_device *dev, int cap)
47{
48
49 return (pci_find_cap(dev->device, cap, NULL) == 0);
50}
51
52int drm_device_is_agp(struct drm_device *dev)
53{
54 if (dev->driver->device_is_agp != NULL) {
55 int ret;
56
57 /* device_is_agp returns a tristate, 0 = not AGP, 1 = definitely
58 * AGP, 2 = fall back to PCI capability
59 */
60 ret = (*dev->driver->device_is_agp)(dev);
61 if (ret != DRM_MIGHT_BE_AGP)
62 return ret;
63 }
64
65 return (drm_device_find_capability(dev, PCIY_AGP));
66}
67
68int drm_device_is_pcie(struct drm_device *dev)
69{
70 return (drm_device_find_capability(dev, PCIY_EXPRESS));
71}
72
73int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info)
74{
75 struct agp_info *kern;
76
77 if (!dev->agp || !dev->agp->acquired)
78 return EINVAL;
79
80 kern = &dev->agp->info;
81 agp_get_info(dev->agp->agpdev, kern);
82 info->agp_version_major = 1;
83 info->agp_version_minor = 0;
84 info->mode = kern->ai_mode;
85 info->aperture_base = kern->ai_aperture_base;
86 info->aperture_size = kern->ai_aperture_size;
87 info->memory_allowed = kern->ai_memory_allowed;
88 info->memory_used = kern->ai_memory_used;
89 info->id_vendor = kern->ai_devid & 0xffff;
90 info->id_device = kern->ai_devid >> 16;
91
92 return 0;
93}
94
95int drm_agp_info_ioctl(struct drm_device *dev, void *data,
96 struct drm_file *file_priv)
97{
98 int err;
99 struct drm_agp_info info;
100
101 err = drm_agp_info(dev, &info);
102 if (err != 0)
103 return err;
104
105 *(struct drm_agp_info *) data = info;
106 return 0;
107}
108
109int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
110 struct drm_file *file_priv)
111{
112
113 return drm_agp_acquire(dev);
114}
115
116int drm_agp_acquire(struct drm_device *dev)
117{
118 int retcode;
119
120 if (!dev->agp || dev->agp->acquired)
121 return EINVAL;
122
123 retcode = agp_acquire(dev->agp->agpdev);
124 if (retcode)
125 return retcode;
126
127 dev->agp->acquired = 1;
128 return 0;
129}
130
131int drm_agp_release_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *file_priv)
133{
134
135 return drm_agp_release(dev);
136}
137
138int drm_agp_release(struct drm_device * dev)
139{
140 if (!dev->agp || !dev->agp->acquired)
141 return EINVAL;
142 agp_release(dev->agp->agpdev);
143 dev->agp->acquired = 0;
144 return 0;
145}
146
147int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode)
148{
149
150 if (!dev->agp || !dev->agp->acquired)
151 return EINVAL;
152
153 dev->agp->mode = mode.mode;
154 agp_enable(dev->agp->agpdev, mode.mode);
155 dev->agp->enabled = 1;
156 return 0;
157}
158
159int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
160 struct drm_file *file_priv)
161{
162 struct drm_agp_mode mode;
163
164 mode = *(struct drm_agp_mode *) data;
165
166 return drm_agp_enable(dev, mode);
167}
168
169int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
170{
171 drm_agp_mem_t *entry;
172 void *handle;
173 unsigned long pages;
174 u_int32_t type;
175 struct agp_memory_info info;
176
177 if (!dev->agp || !dev->agp->acquired)
178 return EINVAL;
179
180 entry = malloc(sizeof(*entry), DRM_MEM_AGPLISTS, M_NOWAIT | M_ZERO);
181 if (entry == NULL)
182 return ENOMEM;
183
184 pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
185 type = (u_int32_t) request->type;
186
187 DRM_UNLOCK(dev);
188 handle = drm_agp_allocate_memory(pages, type);
189 DRM_LOCK(dev);
190 if (handle == NULL) {
191 free(entry, DRM_MEM_AGPLISTS);
192 return ENOMEM;
193 }
194
195 entry->handle = handle;
196 entry->bound = 0;
197 entry->pages = pages;
198 entry->prev = NULL;
199 entry->next = dev->agp->memory;
200 if (dev->agp->memory)
201 dev->agp->memory->prev = entry;
202 dev->agp->memory = entry;
203
204 agp_memory_info(dev->agp->agpdev, entry->handle, &info);
205
206 request->handle = (unsigned long) entry->handle;
207 request->physical = info.ami_physical;
208
209 return 0;
210}
211
212int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
213 struct drm_file *file_priv)
214{
215 struct drm_agp_buffer request;
216 int retcode;
217
218 request = *(struct drm_agp_buffer *) data;
219
220 DRM_LOCK(dev);
221 retcode = drm_agp_alloc(dev, &request);
222 DRM_UNLOCK(dev);
223
224 *(struct drm_agp_buffer *) data = request;
225
226 return retcode;
227}
228
229static drm_agp_mem_t * drm_agp_lookup_entry(struct drm_device *dev,
230 void *handle)
231{
232 drm_agp_mem_t *entry;
233
234 for (entry = dev->agp->memory; entry; entry = entry->next) {
235 if (entry->handle == handle) return entry;
236 }
237 return NULL;
238}
239
240int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request)
241{
242 drm_agp_mem_t *entry;
243 int retcode;
244
245 if (!dev->agp || !dev->agp->acquired)
246 return EINVAL;
247
248 entry = drm_agp_lookup_entry(dev, (void *)request->handle);
249 if (entry == NULL || !entry->bound)
250 return EINVAL;
251
252 DRM_UNLOCK(dev);
253 retcode = drm_agp_unbind_memory(entry->handle);
254 DRM_LOCK(dev);
255
256 if (retcode == 0)
257 entry->bound = 0;
258
259 return retcode;
260}
261
262int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
263 struct drm_file *file_priv)
264{
265 struct drm_agp_binding request;
266 int retcode;
267
268 request = *(struct drm_agp_binding *) data;
269
270 DRM_LOCK(dev);
271 retcode = drm_agp_unbind(dev, &request);
272 DRM_UNLOCK(dev);
273
274 return retcode;
275}
276
277int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request)
278{
279 drm_agp_mem_t *entry;
280 int retcode;
281 int page;
282
283 if (!dev->agp || !dev->agp->acquired)
284 return EINVAL;
285
286 DRM_DEBUG("agp_bind, page_size=%x\n", (int)PAGE_SIZE);
287
288 entry = drm_agp_lookup_entry(dev, (void *)request->handle);
289 if (entry == NULL || entry->bound)
290 return EINVAL;
291
292 page = (request->offset + PAGE_SIZE - 1) / PAGE_SIZE;
293
294 DRM_UNLOCK(dev);
295 retcode = drm_agp_bind_memory(entry->handle, page);
296 DRM_LOCK(dev);
297 if (retcode == 0)
298 entry->bound = dev->agp->base + (page << PAGE_SHIFT);
299
300 return retcode;
301}
302
303int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
304 struct drm_file *file_priv)
305{
306 struct drm_agp_binding request;
307 int retcode;
308
309 request = *(struct drm_agp_binding *) data;
310
311 DRM_LOCK(dev);
312 retcode = drm_agp_bind(dev, &request);
313 DRM_UNLOCK(dev);
314
315 return retcode;
316}
317
318int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request)
319{
320 drm_agp_mem_t *entry;
321
322 if (!dev->agp || !dev->agp->acquired)
323 return EINVAL;
324
325 entry = drm_agp_lookup_entry(dev, (void*)request->handle);
326 if (entry == NULL)
327 return EINVAL;
328
329 if (entry->prev)
330 entry->prev->next = entry->next;
331 else
332 dev->agp->memory = entry->next;
333 if (entry->next)
334 entry->next->prev = entry->prev;
335
336 DRM_UNLOCK(dev);
337 if (entry->bound)
338 drm_agp_unbind_memory(entry->handle);
339 drm_agp_free_memory(entry->handle);
340 DRM_LOCK(dev);
341
342 free(entry, DRM_MEM_AGPLISTS);
343
344 return 0;
345
346}
347
348int drm_agp_free_ioctl(struct drm_device *dev, void *data,
349 struct drm_file *file_priv)
350{
351 struct drm_agp_buffer request;
352 int retcode;
353
354 request = *(struct drm_agp_buffer *) data;
355
356 DRM_LOCK(dev);
357 retcode = drm_agp_free(dev, &request);
358 DRM_UNLOCK(dev);
359
360 return retcode;
361}
362
363drm_agp_head_t *drm_agp_init(void)
364{
365 device_t agpdev;
366 drm_agp_head_t *head = NULL;
367 int agp_available = 1;
368
369 agpdev = DRM_AGP_FIND_DEVICE();
370 if (!agpdev)
371 agp_available = 0;
372
373 DRM_DEBUG("agp_available = %d\n", agp_available);
374
375 if (agp_available) {
376 head = malloc(sizeof(*head), DRM_MEM_AGPLISTS,
377 M_NOWAIT | M_ZERO);
378 if (head == NULL)
379 return NULL;
380 head->agpdev = agpdev;
381 agp_get_info(agpdev, &head->info);
382 head->base = head->info.ai_aperture_base;
383 head->memory = NULL;
384 DRM_INFO("AGP at 0x%08lx %dMB\n",
385 (long)head->info.ai_aperture_base,
386 (int)(head->info.ai_aperture_size >> 20));
387 }
388 return head;
389}
390
391void *drm_agp_allocate_memory(size_t pages, u32 type)
392{
393 device_t agpdev;
394
395 agpdev = DRM_AGP_FIND_DEVICE();
396 if (!agpdev)
397 return NULL;
398
| 33
34/** @file drm_agpsupport.c
35 * Support code for tying the kernel AGP support to DRM drivers and
36 * the DRM's AGP ioctls.
37 */
38
39#include <dev/drm2/drmP.h>
40
41#include <dev/agp/agpreg.h>
42#include <dev/pci/pcireg.h>
43
44/* Returns 1 if AGP or 0 if not. */
45static int
46drm_device_find_capability(struct drm_device *dev, int cap)
47{
48
49 return (pci_find_cap(dev->device, cap, NULL) == 0);
50}
51
52int drm_device_is_agp(struct drm_device *dev)
53{
54 if (dev->driver->device_is_agp != NULL) {
55 int ret;
56
57 /* device_is_agp returns a tristate, 0 = not AGP, 1 = definitely
58 * AGP, 2 = fall back to PCI capability
59 */
60 ret = (*dev->driver->device_is_agp)(dev);
61 if (ret != DRM_MIGHT_BE_AGP)
62 return ret;
63 }
64
65 return (drm_device_find_capability(dev, PCIY_AGP));
66}
67
68int drm_device_is_pcie(struct drm_device *dev)
69{
70 return (drm_device_find_capability(dev, PCIY_EXPRESS));
71}
72
73int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info)
74{
75 struct agp_info *kern;
76
77 if (!dev->agp || !dev->agp->acquired)
78 return EINVAL;
79
80 kern = &dev->agp->info;
81 agp_get_info(dev->agp->agpdev, kern);
82 info->agp_version_major = 1;
83 info->agp_version_minor = 0;
84 info->mode = kern->ai_mode;
85 info->aperture_base = kern->ai_aperture_base;
86 info->aperture_size = kern->ai_aperture_size;
87 info->memory_allowed = kern->ai_memory_allowed;
88 info->memory_used = kern->ai_memory_used;
89 info->id_vendor = kern->ai_devid & 0xffff;
90 info->id_device = kern->ai_devid >> 16;
91
92 return 0;
93}
94
95int drm_agp_info_ioctl(struct drm_device *dev, void *data,
96 struct drm_file *file_priv)
97{
98 int err;
99 struct drm_agp_info info;
100
101 err = drm_agp_info(dev, &info);
102 if (err != 0)
103 return err;
104
105 *(struct drm_agp_info *) data = info;
106 return 0;
107}
108
109int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
110 struct drm_file *file_priv)
111{
112
113 return drm_agp_acquire(dev);
114}
115
116int drm_agp_acquire(struct drm_device *dev)
117{
118 int retcode;
119
120 if (!dev->agp || dev->agp->acquired)
121 return EINVAL;
122
123 retcode = agp_acquire(dev->agp->agpdev);
124 if (retcode)
125 return retcode;
126
127 dev->agp->acquired = 1;
128 return 0;
129}
130
131int drm_agp_release_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *file_priv)
133{
134
135 return drm_agp_release(dev);
136}
137
138int drm_agp_release(struct drm_device * dev)
139{
140 if (!dev->agp || !dev->agp->acquired)
141 return EINVAL;
142 agp_release(dev->agp->agpdev);
143 dev->agp->acquired = 0;
144 return 0;
145}
146
147int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode)
148{
149
150 if (!dev->agp || !dev->agp->acquired)
151 return EINVAL;
152
153 dev->agp->mode = mode.mode;
154 agp_enable(dev->agp->agpdev, mode.mode);
155 dev->agp->enabled = 1;
156 return 0;
157}
158
159int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
160 struct drm_file *file_priv)
161{
162 struct drm_agp_mode mode;
163
164 mode = *(struct drm_agp_mode *) data;
165
166 return drm_agp_enable(dev, mode);
167}
168
169int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
170{
171 drm_agp_mem_t *entry;
172 void *handle;
173 unsigned long pages;
174 u_int32_t type;
175 struct agp_memory_info info;
176
177 if (!dev->agp || !dev->agp->acquired)
178 return EINVAL;
179
180 entry = malloc(sizeof(*entry), DRM_MEM_AGPLISTS, M_NOWAIT | M_ZERO);
181 if (entry == NULL)
182 return ENOMEM;
183
184 pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
185 type = (u_int32_t) request->type;
186
187 DRM_UNLOCK(dev);
188 handle = drm_agp_allocate_memory(pages, type);
189 DRM_LOCK(dev);
190 if (handle == NULL) {
191 free(entry, DRM_MEM_AGPLISTS);
192 return ENOMEM;
193 }
194
195 entry->handle = handle;
196 entry->bound = 0;
197 entry->pages = pages;
198 entry->prev = NULL;
199 entry->next = dev->agp->memory;
200 if (dev->agp->memory)
201 dev->agp->memory->prev = entry;
202 dev->agp->memory = entry;
203
204 agp_memory_info(dev->agp->agpdev, entry->handle, &info);
205
206 request->handle = (unsigned long) entry->handle;
207 request->physical = info.ami_physical;
208
209 return 0;
210}
211
212int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
213 struct drm_file *file_priv)
214{
215 struct drm_agp_buffer request;
216 int retcode;
217
218 request = *(struct drm_agp_buffer *) data;
219
220 DRM_LOCK(dev);
221 retcode = drm_agp_alloc(dev, &request);
222 DRM_UNLOCK(dev);
223
224 *(struct drm_agp_buffer *) data = request;
225
226 return retcode;
227}
228
229static drm_agp_mem_t * drm_agp_lookup_entry(struct drm_device *dev,
230 void *handle)
231{
232 drm_agp_mem_t *entry;
233
234 for (entry = dev->agp->memory; entry; entry = entry->next) {
235 if (entry->handle == handle) return entry;
236 }
237 return NULL;
238}
239
240int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request)
241{
242 drm_agp_mem_t *entry;
243 int retcode;
244
245 if (!dev->agp || !dev->agp->acquired)
246 return EINVAL;
247
248 entry = drm_agp_lookup_entry(dev, (void *)request->handle);
249 if (entry == NULL || !entry->bound)
250 return EINVAL;
251
252 DRM_UNLOCK(dev);
253 retcode = drm_agp_unbind_memory(entry->handle);
254 DRM_LOCK(dev);
255
256 if (retcode == 0)
257 entry->bound = 0;
258
259 return retcode;
260}
261
262int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
263 struct drm_file *file_priv)
264{
265 struct drm_agp_binding request;
266 int retcode;
267
268 request = *(struct drm_agp_binding *) data;
269
270 DRM_LOCK(dev);
271 retcode = drm_agp_unbind(dev, &request);
272 DRM_UNLOCK(dev);
273
274 return retcode;
275}
276
277int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request)
278{
279 drm_agp_mem_t *entry;
280 int retcode;
281 int page;
282
283 if (!dev->agp || !dev->agp->acquired)
284 return EINVAL;
285
286 DRM_DEBUG("agp_bind, page_size=%x\n", (int)PAGE_SIZE);
287
288 entry = drm_agp_lookup_entry(dev, (void *)request->handle);
289 if (entry == NULL || entry->bound)
290 return EINVAL;
291
292 page = (request->offset + PAGE_SIZE - 1) / PAGE_SIZE;
293
294 DRM_UNLOCK(dev);
295 retcode = drm_agp_bind_memory(entry->handle, page);
296 DRM_LOCK(dev);
297 if (retcode == 0)
298 entry->bound = dev->agp->base + (page << PAGE_SHIFT);
299
300 return retcode;
301}
302
303int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
304 struct drm_file *file_priv)
305{
306 struct drm_agp_binding request;
307 int retcode;
308
309 request = *(struct drm_agp_binding *) data;
310
311 DRM_LOCK(dev);
312 retcode = drm_agp_bind(dev, &request);
313 DRM_UNLOCK(dev);
314
315 return retcode;
316}
317
318int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request)
319{
320 drm_agp_mem_t *entry;
321
322 if (!dev->agp || !dev->agp->acquired)
323 return EINVAL;
324
325 entry = drm_agp_lookup_entry(dev, (void*)request->handle);
326 if (entry == NULL)
327 return EINVAL;
328
329 if (entry->prev)
330 entry->prev->next = entry->next;
331 else
332 dev->agp->memory = entry->next;
333 if (entry->next)
334 entry->next->prev = entry->prev;
335
336 DRM_UNLOCK(dev);
337 if (entry->bound)
338 drm_agp_unbind_memory(entry->handle);
339 drm_agp_free_memory(entry->handle);
340 DRM_LOCK(dev);
341
342 free(entry, DRM_MEM_AGPLISTS);
343
344 return 0;
345
346}
347
348int drm_agp_free_ioctl(struct drm_device *dev, void *data,
349 struct drm_file *file_priv)
350{
351 struct drm_agp_buffer request;
352 int retcode;
353
354 request = *(struct drm_agp_buffer *) data;
355
356 DRM_LOCK(dev);
357 retcode = drm_agp_free(dev, &request);
358 DRM_UNLOCK(dev);
359
360 return retcode;
361}
362
363drm_agp_head_t *drm_agp_init(void)
364{
365 device_t agpdev;
366 drm_agp_head_t *head = NULL;
367 int agp_available = 1;
368
369 agpdev = DRM_AGP_FIND_DEVICE();
370 if (!agpdev)
371 agp_available = 0;
372
373 DRM_DEBUG("agp_available = %d\n", agp_available);
374
375 if (agp_available) {
376 head = malloc(sizeof(*head), DRM_MEM_AGPLISTS,
377 M_NOWAIT | M_ZERO);
378 if (head == NULL)
379 return NULL;
380 head->agpdev = agpdev;
381 agp_get_info(agpdev, &head->info);
382 head->base = head->info.ai_aperture_base;
383 head->memory = NULL;
384 DRM_INFO("AGP at 0x%08lx %dMB\n",
385 (long)head->info.ai_aperture_base,
386 (int)(head->info.ai_aperture_size >> 20));
387 }
388 return head;
389}
390
391void *drm_agp_allocate_memory(size_t pages, u32 type)
392{
393 device_t agpdev;
394
395 agpdev = DRM_AGP_FIND_DEVICE();
396 if (!agpdev)
397 return NULL;
398
|