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1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
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 shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31
32 #include <dev/drm2/drmP.h>
33 #include "radeon.h"
34 #include "radeon_asic.h"
35 #include "rs400d.h"
36
37 /* This files gather functions specifics to : rs400,rs480 */
38 static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
39
40 void rs400_gart_adjust_size(struct radeon_device *rdev)
41 {
42         /* Check gart size */
43         switch (rdev->mc.gtt_size/(1024*1024)) {
44         case 32:
45         case 64:
46         case 128:
47         case 256:
48         case 512:
49         case 1024:
50         case 2048:
51                 break;
52         default:
53                 DRM_ERROR("Unable to use IGP GART size %uM\n",
54                           (unsigned)(rdev->mc.gtt_size >> 20));
55                 DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n");
56                 DRM_ERROR("Forcing to 32M GART size\n");
57                 rdev->mc.gtt_size = 32 * 1024 * 1024;
58                 return;
59         }
60 }
61
62 void rs400_gart_tlb_flush(struct radeon_device *rdev)
63 {
64         uint32_t tmp;
65         unsigned int timeout = rdev->usec_timeout;
66
67         WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE);
68         do {
69                 tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
70                 if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0)
71                         break;
72                 DRM_UDELAY(1);
73                 timeout--;
74         } while (timeout > 0);
75         WREG32_MC(RS480_GART_CACHE_CNTRL, 0);
76 }
77
78 int rs400_gart_init(struct radeon_device *rdev)
79 {
80         int r;
81
82         if (rdev->gart.ptr) {
83                 DRM_ERROR("RS400 GART already initialized\n");
84                 return 0;
85         }
86         /* Check gart size */
87         switch(rdev->mc.gtt_size / (1024 * 1024)) {
88         case 32:
89         case 64:
90         case 128:
91         case 256:
92         case 512:
93         case 1024:
94         case 2048:
95                 break;
96         default:
97                 return -EINVAL;
98         }
99         /* Initialize common gart structure */
100         r = radeon_gart_init(rdev);
101         if (r)
102                 return r;
103         if (rs400_debugfs_pcie_gart_info_init(rdev))
104                 DRM_ERROR("Failed to register debugfs file for RS400 GART !\n");
105         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
106         return radeon_gart_table_ram_alloc(rdev);
107 }
108
109 int rs400_gart_enable(struct radeon_device *rdev)
110 {
111         uint32_t size_reg;
112         uint32_t tmp;
113
114         radeon_gart_restore(rdev);
115         tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
116         tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
117         WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
118         /* Check gart size */
119         switch(rdev->mc.gtt_size / (1024 * 1024)) {
120         case 32:
121                 size_reg = RS480_VA_SIZE_32MB;
122                 break;
123         case 64:
124                 size_reg = RS480_VA_SIZE_64MB;
125                 break;
126         case 128:
127                 size_reg = RS480_VA_SIZE_128MB;
128                 break;
129         case 256:
130                 size_reg = RS480_VA_SIZE_256MB;
131                 break;
132         case 512:
133                 size_reg = RS480_VA_SIZE_512MB;
134                 break;
135         case 1024:
136                 size_reg = RS480_VA_SIZE_1GB;
137                 break;
138         case 2048:
139                 size_reg = RS480_VA_SIZE_2GB;
140                 break;
141         default:
142                 return -EINVAL;
143         }
144         /* It should be fine to program it to max value */
145         if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
146                 WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF);
147                 WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0);
148         } else {
149                 WREG32(RADEON_AGP_BASE, 0xFFFFFFFF);
150                 WREG32(RS480_AGP_BASE_2, 0);
151         }
152         tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16);
153         tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16);
154         if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
155                 WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp);
156                 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
157                 WREG32(RADEON_BUS_CNTL, tmp);
158         } else {
159                 WREG32(RADEON_MC_AGP_LOCATION, tmp);
160                 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
161                 WREG32(RADEON_BUS_CNTL, tmp);
162         }
163         /* Table should be in 32bits address space so ignore bits above. */
164         tmp = (u32)rdev->gart.table_addr & 0xfffff000;
165         tmp |= (upper_32_bits(rdev->gart.table_addr) & 0xff) << 4;
166
167         WREG32_MC(RS480_GART_BASE, tmp);
168         /* TODO: more tweaking here */
169         WREG32_MC(RS480_GART_FEATURE_ID,
170                   (RS480_TLB_ENABLE |
171                    RS480_GTW_LAC_EN | RS480_1LEVEL_GART));
172         /* Disable snooping */
173         WREG32_MC(RS480_AGP_MODE_CNTL,
174                   (1 << RS480_REQ_TYPE_SNOOP_SHIFT) | RS480_REQ_TYPE_SNOOP_DIS);
175         /* Disable AGP mode */
176         if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
177                 tmp = RREG32_MC(RS690_MC_NB_CNTL);
178                 tmp &= ~(RS690_HIDE_MMCFG_BAR |
179                     RS690_AGPMODE30 |
180                     RS690_AGP30ENHANCED);
181                 WREG32_MC(RS690_MC_NB_CNTL, tmp);
182                 WREG32_MC(RS480_MC_MISC_CNTL,
183                           (RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN));
184         } else {
185                 WREG32_MC(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
186         }
187         /* Enable gart */
188         WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN | size_reg));
189         rs400_gart_tlb_flush(rdev);
190         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
191                  (unsigned)(rdev->mc.gtt_size >> 20),
192                  (unsigned long long)rdev->gart.table_addr);
193         rdev->gart.ready = true;
194         return 0;
195 }
196
197 void rs400_gart_disable(struct radeon_device *rdev)
198 {
199         uint32_t tmp;
200
201         tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
202         tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
203         WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
204         WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
205 }
206
207 void rs400_gart_fini(struct radeon_device *rdev)
208 {
209         radeon_gart_fini(rdev);
210         rs400_gart_disable(rdev);
211         radeon_gart_table_ram_free(rdev);
212 }
213
214 #define RS400_PTE_WRITEABLE (1 << 2)
215 #define RS400_PTE_READABLE  (1 << 3)
216
217 int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
218 {
219         uint32_t entry;
220         u32 *gtt = rdev->gart.ptr;
221
222         if (i < 0 || i > rdev->gart.num_gpu_pages) {
223                 return -EINVAL;
224         }
225
226         entry = (lower_32_bits(addr) & 0xfffff000) |
227                 ((upper_32_bits(addr) & 0xff) << 4) |
228                 RS400_PTE_WRITEABLE | RS400_PTE_READABLE;
229         entry = cpu_to_le32(entry);
230         gtt[i] = entry;
231         return 0;
232 }
233
234 int rs400_mc_wait_for_idle(struct radeon_device *rdev)
235 {
236         unsigned i;
237         uint32_t tmp;
238
239         for (i = 0; i < rdev->usec_timeout; i++) {
240                 /* read MC_STATUS */
241                 tmp = RREG32(RADEON_MC_STATUS);
242                 if (tmp & RADEON_MC_IDLE) {
243                         return 0;
244                 }
245                 DRM_UDELAY(1);
246         }
247         return -1;
248 }
249
250 static void rs400_gpu_init(struct radeon_device *rdev)
251 {
252         /* FIXME: is this correct ? */
253         r420_pipes_init(rdev);
254         if (rs400_mc_wait_for_idle(rdev)) {
255                 DRM_ERROR("rs400: Failed to wait MC idle while "
256                        "programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS));
257         }
258 }
259
260 static void rs400_mc_init(struct radeon_device *rdev)
261 {
262         u64 base;
263
264         rs400_gart_adjust_size(rdev);
265         rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
266         /* DDR for all card after R300 & IGP */
267         rdev->mc.vram_is_ddr = true;
268         rdev->mc.vram_width = 128;
269         r100_vram_init_sizes(rdev);
270         base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
271         radeon_vram_location(rdev, &rdev->mc, base);
272         rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1;
273         radeon_gtt_location(rdev, &rdev->mc);
274         radeon_update_bandwidth_info(rdev);
275 }
276
277 uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg)
278 {
279         uint32_t r;
280
281         WREG32(RS480_NB_MC_INDEX, reg & 0xff);
282         r = RREG32(RS480_NB_MC_DATA);
283         WREG32(RS480_NB_MC_INDEX, 0xff);
284         return r;
285 }
286
287 void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
288 {
289         WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) | RS480_NB_MC_IND_WR_EN);
290         WREG32(RS480_NB_MC_DATA, (v));
291         WREG32(RS480_NB_MC_INDEX, 0xff);
292 }
293
294 #if defined(CONFIG_DEBUG_FS)
295 static int rs400_debugfs_gart_info(struct seq_file *m, void *data)
296 {
297         struct drm_info_node *node = (struct drm_info_node *) m->private;
298         struct drm_device *dev = node->minor->dev;
299         struct radeon_device *rdev = dev->dev_private;
300         uint32_t tmp;
301
302         tmp = RREG32(RADEON_HOST_PATH_CNTL);
303         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
304         tmp = RREG32(RADEON_BUS_CNTL);
305         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
306         tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
307         seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp);
308         if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
309                 tmp = RREG32_MC(RS690_MCCFG_AGP_BASE);
310                 seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp);
311                 tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2);
312                 seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp);
313                 tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION);
314                 seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp);
315                 tmp = RREG32_MC(RS690_MCCFG_FB_LOCATION);
316                 seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp);
317                 tmp = RREG32(RS690_HDP_FB_LOCATION);
318                 seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp);
319         } else {
320                 tmp = RREG32(RADEON_AGP_BASE);
321                 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
322                 tmp = RREG32(RS480_AGP_BASE_2);
323                 seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp);
324                 tmp = RREG32(RADEON_MC_AGP_LOCATION);
325                 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
326         }
327         tmp = RREG32_MC(RS480_GART_BASE);
328         seq_printf(m, "GART_BASE 0x%08x\n", tmp);
329         tmp = RREG32_MC(RS480_GART_FEATURE_ID);
330         seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp);
331         tmp = RREG32_MC(RS480_AGP_MODE_CNTL);
332         seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp);
333         tmp = RREG32_MC(RS480_MC_MISC_CNTL);
334         seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp);
335         tmp = RREG32_MC(0x5F);
336         seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp);
337         tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE);
338         seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp);
339         tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
340         seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp);
341         tmp = RREG32_MC(0x3B);
342         seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp);
343         tmp = RREG32_MC(0x3C);
344         seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp);
345         tmp = RREG32_MC(0x30);
346         seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp);
347         tmp = RREG32_MC(0x31);
348         seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp);
349         tmp = RREG32_MC(0x32);
350         seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp);
351         tmp = RREG32_MC(0x33);
352         seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp);
353         tmp = RREG32_MC(0x34);
354         seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp);
355         tmp = RREG32_MC(0x35);
356         seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp);
357         tmp = RREG32_MC(0x36);
358         seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp);
359         tmp = RREG32_MC(0x37);
360         seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp);
361         return 0;
362 }
363
364 static struct drm_info_list rs400_gart_info_list[] = {
365         {"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL},
366 };
367 #endif
368
369 static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
370 {
371 #if defined(CONFIG_DEBUG_FS)
372         return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1);
373 #else
374         return 0;
375 #endif
376 }
377
378 static void rs400_mc_program(struct radeon_device *rdev)
379 {
380         struct r100_mc_save save;
381
382         /* Stops all mc clients */
383         r100_mc_stop(rdev, &save);
384
385         /* Wait for mc idle */
386         if (rs400_mc_wait_for_idle(rdev))
387                 dev_warn(rdev->dev, "rs400: Wait MC idle timeout before updating MC.\n");
388         WREG32(R_000148_MC_FB_LOCATION,
389                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
390                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
391
392         r100_mc_resume(rdev, &save);
393 }
394
395 static int rs400_startup(struct radeon_device *rdev)
396 {
397         int r;
398
399         r100_set_common_regs(rdev);
400
401         rs400_mc_program(rdev);
402         /* Resume clock */
403         r300_clock_startup(rdev);
404         /* Initialize GPU configuration (# pipes, ...) */
405         rs400_gpu_init(rdev);
406         r100_enable_bm(rdev);
407         /* Initialize GART (initialize after TTM so we can allocate
408          * memory through TTM but finalize after TTM) */
409         r = rs400_gart_enable(rdev);
410         if (r)
411                 return r;
412
413         /* allocate wb buffer */
414         r = radeon_wb_init(rdev);
415         if (r)
416                 return r;
417
418         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
419         if (r) {
420                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
421                 return r;
422         }
423
424         /* Enable IRQ */
425         r100_irq_set(rdev);
426         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
427         /* 1M ring buffer */
428         r = r100_cp_init(rdev, 1024 * 1024);
429         if (r) {
430                 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
431                 return r;
432         }
433
434         r = radeon_ib_pool_init(rdev);
435         if (r) {
436                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
437                 return r;
438         }
439
440         return 0;
441 }
442
443 int rs400_resume(struct radeon_device *rdev)
444 {
445         int r;
446
447         /* Make sur GART are not working */
448         rs400_gart_disable(rdev);
449         /* Resume clock before doing reset */
450         r300_clock_startup(rdev);
451         /* setup MC before calling post tables */
452         rs400_mc_program(rdev);
453         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
454         if (radeon_asic_reset(rdev)) {
455                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
456                         RREG32(R_000E40_RBBM_STATUS),
457                         RREG32(R_0007C0_CP_STAT));
458         }
459         /* post */
460         radeon_combios_asic_init(rdev->ddev);
461         /* Resume clock after posting */
462         r300_clock_startup(rdev);
463         /* Initialize surface registers */
464         radeon_surface_init(rdev);
465
466         rdev->accel_working = true;
467         r = rs400_startup(rdev);
468         if (r) {
469                 rdev->accel_working = false;
470         }
471         return r;
472 }
473
474 int rs400_suspend(struct radeon_device *rdev)
475 {
476         r100_cp_disable(rdev);
477         radeon_wb_disable(rdev);
478         r100_irq_disable(rdev);
479         rs400_gart_disable(rdev);
480         return 0;
481 }
482
483 void rs400_fini(struct radeon_device *rdev)
484 {
485         r100_cp_fini(rdev);
486         radeon_wb_fini(rdev);
487         radeon_ib_pool_fini(rdev);
488         radeon_gem_fini(rdev);
489         rs400_gart_fini(rdev);
490         radeon_irq_kms_fini(rdev);
491         radeon_fence_driver_fini(rdev);
492         radeon_bo_fini(rdev);
493         radeon_atombios_fini(rdev);
494         free(rdev->bios, DRM_MEM_DRIVER);
495         rdev->bios = NULL;
496 }
497
498 int rs400_init(struct radeon_device *rdev)
499 {
500         int r;
501
502         /* Disable VGA */
503         r100_vga_render_disable(rdev);
504         /* Initialize scratch registers */
505         radeon_scratch_init(rdev);
506         /* Initialize surface registers */
507         radeon_surface_init(rdev);
508         /* TODO: disable VGA need to use VGA request */
509         /* restore some register to sane defaults */
510         r100_restore_sanity(rdev);
511         /* BIOS*/
512         if (!radeon_get_bios(rdev)) {
513                 if (ASIC_IS_AVIVO(rdev))
514                         return -EINVAL;
515         }
516         if (rdev->is_atom_bios) {
517                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
518                 return -EINVAL;
519         } else {
520                 r = radeon_combios_init(rdev);
521                 if (r)
522                         return r;
523         }
524         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
525         if (radeon_asic_reset(rdev)) {
526                 dev_warn(rdev->dev,
527                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
528                         RREG32(R_000E40_RBBM_STATUS),
529                         RREG32(R_0007C0_CP_STAT));
530         }
531         /* check if cards are posted or not */
532         if (radeon_boot_test_post_card(rdev) == false)
533                 return -EINVAL;
534
535         /* Initialize clocks */
536         radeon_get_clock_info(rdev->ddev);
537         /* initialize memory controller */
538         rs400_mc_init(rdev);
539         /* Fence driver */
540         r = radeon_fence_driver_init(rdev);
541         if (r)
542                 return r;
543         r = radeon_irq_kms_init(rdev);
544         if (r)
545                 return r;
546         /* Memory manager */
547         r = radeon_bo_init(rdev);
548         if (r)
549                 return r;
550         r = rs400_gart_init(rdev);
551         if (r)
552                 return r;
553         r300_set_reg_safe(rdev);
554
555         rdev->accel_working = true;
556         r = rs400_startup(rdev);
557         if (r) {
558                 /* Somethings want wront with the accel init stop accel */
559                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
560                 r100_cp_fini(rdev);
561                 radeon_wb_fini(rdev);
562                 radeon_ib_pool_fini(rdev);
563                 rs400_gart_fini(rdev);
564                 radeon_irq_kms_fini(rdev);
565                 rdev->accel_working = false;
566         }
567         return 0;
568 }