]>
Commit | Line | Data |
---|---|---|
771fe6b9 JG |
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 | #include <linux/console.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
771fe6b9 JG |
30 | #include <drm/drmP.h> |
31 | #include <drm/drm_crtc_helper.h> | |
32 | #include <drm/radeon_drm.h> | |
28d52043 | 33 | #include <linux/vgaarb.h> |
6a9ee8af | 34 | #include <linux/vga_switcheroo.h> |
bcc65fd8 | 35 | #include <linux/efi.h> |
771fe6b9 JG |
36 | #include "radeon_reg.h" |
37 | #include "radeon.h" | |
771fe6b9 JG |
38 | #include "atom.h" |
39 | ||
1b5331d9 JG |
40 | static const char radeon_family_name[][16] = { |
41 | "R100", | |
42 | "RV100", | |
43 | "RS100", | |
44 | "RV200", | |
45 | "RS200", | |
46 | "R200", | |
47 | "RV250", | |
48 | "RS300", | |
49 | "RV280", | |
50 | "R300", | |
51 | "R350", | |
52 | "RV350", | |
53 | "RV380", | |
54 | "R420", | |
55 | "R423", | |
56 | "RV410", | |
57 | "RS400", | |
58 | "RS480", | |
59 | "RS600", | |
60 | "RS690", | |
61 | "RS740", | |
62 | "RV515", | |
63 | "R520", | |
64 | "RV530", | |
65 | "RV560", | |
66 | "RV570", | |
67 | "R580", | |
68 | "R600", | |
69 | "RV610", | |
70 | "RV630", | |
71 | "RV670", | |
72 | "RV620", | |
73 | "RV635", | |
74 | "RS780", | |
75 | "RS880", | |
76 | "RV770", | |
77 | "RV730", | |
78 | "RV710", | |
79 | "RV740", | |
80 | "CEDAR", | |
81 | "REDWOOD", | |
82 | "JUNIPER", | |
83 | "CYPRESS", | |
84 | "HEMLOCK", | |
b08ebe7e | 85 | "PALM", |
4df64e65 AD |
86 | "SUMO", |
87 | "SUMO2", | |
1fe18305 AD |
88 | "BARTS", |
89 | "TURKS", | |
90 | "CAICOS", | |
b7cfc9fe | 91 | "CAYMAN", |
8848f759 | 92 | "ARUBA", |
cb28bb34 AD |
93 | "TAHITI", |
94 | "PITCAIRN", | |
95 | "VERDE", | |
624d3524 | 96 | "OLAND", |
b5d9d726 | 97 | "HAINAN", |
6eac752e AD |
98 | "BONAIRE", |
99 | "KAVERI", | |
100 | "KABINI", | |
1b5331d9 JG |
101 | "LAST", |
102 | }; | |
103 | ||
2e1b65f9 AD |
104 | /** |
105 | * radeon_program_register_sequence - program an array of registers. | |
106 | * | |
107 | * @rdev: radeon_device pointer | |
108 | * @registers: pointer to the register array | |
109 | * @array_size: size of the register array | |
110 | * | |
111 | * Programs an array or registers with and and or masks. | |
112 | * This is a helper for setting golden registers. | |
113 | */ | |
114 | void radeon_program_register_sequence(struct radeon_device *rdev, | |
115 | const u32 *registers, | |
116 | const u32 array_size) | |
117 | { | |
118 | u32 tmp, reg, and_mask, or_mask; | |
119 | int i; | |
120 | ||
121 | if (array_size % 3) | |
122 | return; | |
123 | ||
124 | for (i = 0; i < array_size; i +=3) { | |
125 | reg = registers[i + 0]; | |
126 | and_mask = registers[i + 1]; | |
127 | or_mask = registers[i + 2]; | |
128 | ||
129 | if (and_mask == 0xffffffff) { | |
130 | tmp = or_mask; | |
131 | } else { | |
132 | tmp = RREG32(reg); | |
133 | tmp &= ~and_mask; | |
134 | tmp |= or_mask; | |
135 | } | |
136 | WREG32(reg, tmp); | |
137 | } | |
138 | } | |
139 | ||
0c195119 AD |
140 | /** |
141 | * radeon_surface_init - Clear GPU surface registers. | |
142 | * | |
143 | * @rdev: radeon_device pointer | |
144 | * | |
145 | * Clear GPU surface registers (r1xx-r5xx). | |
b1e3a6d1 | 146 | */ |
3ce0a23d | 147 | void radeon_surface_init(struct radeon_device *rdev) |
b1e3a6d1 MD |
148 | { |
149 | /* FIXME: check this out */ | |
150 | if (rdev->family < CHIP_R600) { | |
151 | int i; | |
152 | ||
550e2d92 DA |
153 | for (i = 0; i < RADEON_GEM_MAX_SURFACES; i++) { |
154 | if (rdev->surface_regs[i].bo) | |
155 | radeon_bo_get_surface_reg(rdev->surface_regs[i].bo); | |
156 | else | |
157 | radeon_clear_surface_reg(rdev, i); | |
b1e3a6d1 | 158 | } |
e024e110 DA |
159 | /* enable surfaces */ |
160 | WREG32(RADEON_SURFACE_CNTL, 0); | |
b1e3a6d1 MD |
161 | } |
162 | } | |
163 | ||
771fe6b9 JG |
164 | /* |
165 | * GPU scratch registers helpers function. | |
166 | */ | |
0c195119 AD |
167 | /** |
168 | * radeon_scratch_init - Init scratch register driver information. | |
169 | * | |
170 | * @rdev: radeon_device pointer | |
171 | * | |
172 | * Init CP scratch register driver information (r1xx-r5xx) | |
173 | */ | |
3ce0a23d | 174 | void radeon_scratch_init(struct radeon_device *rdev) |
771fe6b9 JG |
175 | { |
176 | int i; | |
177 | ||
178 | /* FIXME: check this out */ | |
179 | if (rdev->family < CHIP_R300) { | |
180 | rdev->scratch.num_reg = 5; | |
181 | } else { | |
182 | rdev->scratch.num_reg = 7; | |
183 | } | |
724c80e1 | 184 | rdev->scratch.reg_base = RADEON_SCRATCH_REG0; |
771fe6b9 JG |
185 | for (i = 0; i < rdev->scratch.num_reg; i++) { |
186 | rdev->scratch.free[i] = true; | |
724c80e1 | 187 | rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); |
771fe6b9 JG |
188 | } |
189 | } | |
190 | ||
0c195119 AD |
191 | /** |
192 | * radeon_scratch_get - Allocate a scratch register | |
193 | * | |
194 | * @rdev: radeon_device pointer | |
195 | * @reg: scratch register mmio offset | |
196 | * | |
197 | * Allocate a CP scratch register for use by the driver (all asics). | |
198 | * Returns 0 on success or -EINVAL on failure. | |
199 | */ | |
771fe6b9 JG |
200 | int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg) |
201 | { | |
202 | int i; | |
203 | ||
204 | for (i = 0; i < rdev->scratch.num_reg; i++) { | |
205 | if (rdev->scratch.free[i]) { | |
206 | rdev->scratch.free[i] = false; | |
207 | *reg = rdev->scratch.reg[i]; | |
208 | return 0; | |
209 | } | |
210 | } | |
211 | return -EINVAL; | |
212 | } | |
213 | ||
0c195119 AD |
214 | /** |
215 | * radeon_scratch_free - Free a scratch register | |
216 | * | |
217 | * @rdev: radeon_device pointer | |
218 | * @reg: scratch register mmio offset | |
219 | * | |
220 | * Free a CP scratch register allocated for use by the driver (all asics) | |
221 | */ | |
771fe6b9 JG |
222 | void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg) |
223 | { | |
224 | int i; | |
225 | ||
226 | for (i = 0; i < rdev->scratch.num_reg; i++) { | |
227 | if (rdev->scratch.reg[i] == reg) { | |
228 | rdev->scratch.free[i] = true; | |
229 | return; | |
230 | } | |
231 | } | |
232 | } | |
233 | ||
75efdee1 AD |
234 | /* |
235 | * GPU doorbell aperture helpers function. | |
236 | */ | |
237 | /** | |
238 | * radeon_doorbell_init - Init doorbell driver information. | |
239 | * | |
240 | * @rdev: radeon_device pointer | |
241 | * | |
242 | * Init doorbell driver information (CIK) | |
243 | * Returns 0 on success, error on failure. | |
244 | */ | |
245 | int radeon_doorbell_init(struct radeon_device *rdev) | |
246 | { | |
247 | int i; | |
248 | ||
249 | /* doorbell bar mapping */ | |
250 | rdev->doorbell.base = pci_resource_start(rdev->pdev, 2); | |
251 | rdev->doorbell.size = pci_resource_len(rdev->pdev, 2); | |
252 | ||
253 | /* limit to 4 MB for now */ | |
254 | if (rdev->doorbell.size > (4 * 1024 * 1024)) | |
255 | rdev->doorbell.size = 4 * 1024 * 1024; | |
256 | ||
257 | rdev->doorbell.ptr = ioremap(rdev->doorbell.base, rdev->doorbell.size); | |
258 | if (rdev->doorbell.ptr == NULL) { | |
259 | return -ENOMEM; | |
260 | } | |
261 | DRM_INFO("doorbell mmio base: 0x%08X\n", (uint32_t)rdev->doorbell.base); | |
262 | DRM_INFO("doorbell mmio size: %u\n", (unsigned)rdev->doorbell.size); | |
263 | ||
264 | rdev->doorbell.num_pages = rdev->doorbell.size / PAGE_SIZE; | |
265 | ||
266 | for (i = 0; i < rdev->doorbell.num_pages; i++) { | |
267 | rdev->doorbell.free[i] = true; | |
268 | } | |
269 | return 0; | |
270 | } | |
271 | ||
272 | /** | |
273 | * radeon_doorbell_fini - Tear down doorbell driver information. | |
274 | * | |
275 | * @rdev: radeon_device pointer | |
276 | * | |
277 | * Tear down doorbell driver information (CIK) | |
278 | */ | |
279 | void radeon_doorbell_fini(struct radeon_device *rdev) | |
280 | { | |
281 | iounmap(rdev->doorbell.ptr); | |
282 | rdev->doorbell.ptr = NULL; | |
283 | } | |
284 | ||
285 | /** | |
286 | * radeon_doorbell_get - Allocate a doorbell page | |
287 | * | |
288 | * @rdev: radeon_device pointer | |
289 | * @doorbell: doorbell page number | |
290 | * | |
291 | * Allocate a doorbell page for use by the driver (all asics). | |
292 | * Returns 0 on success or -EINVAL on failure. | |
293 | */ | |
294 | int radeon_doorbell_get(struct radeon_device *rdev, u32 *doorbell) | |
295 | { | |
296 | int i; | |
297 | ||
298 | for (i = 0; i < rdev->doorbell.num_pages; i++) { | |
299 | if (rdev->doorbell.free[i]) { | |
300 | rdev->doorbell.free[i] = false; | |
301 | *doorbell = i; | |
302 | return 0; | |
303 | } | |
304 | } | |
305 | return -EINVAL; | |
306 | } | |
307 | ||
308 | /** | |
309 | * radeon_doorbell_free - Free a doorbell page | |
310 | * | |
311 | * @rdev: radeon_device pointer | |
312 | * @doorbell: doorbell page number | |
313 | * | |
314 | * Free a doorbell page allocated for use by the driver (all asics) | |
315 | */ | |
316 | void radeon_doorbell_free(struct radeon_device *rdev, u32 doorbell) | |
317 | { | |
318 | if (doorbell < rdev->doorbell.num_pages) | |
319 | rdev->doorbell.free[doorbell] = true; | |
320 | } | |
321 | ||
0c195119 AD |
322 | /* |
323 | * radeon_wb_*() | |
324 | * Writeback is the the method by which the the GPU updates special pages | |
325 | * in memory with the status of certain GPU events (fences, ring pointers, | |
326 | * etc.). | |
327 | */ | |
328 | ||
329 | /** | |
330 | * radeon_wb_disable - Disable Writeback | |
331 | * | |
332 | * @rdev: radeon_device pointer | |
333 | * | |
334 | * Disables Writeback (all asics). Used for suspend. | |
335 | */ | |
724c80e1 AD |
336 | void radeon_wb_disable(struct radeon_device *rdev) |
337 | { | |
724c80e1 AD |
338 | rdev->wb.enabled = false; |
339 | } | |
340 | ||
0c195119 AD |
341 | /** |
342 | * radeon_wb_fini - Disable Writeback and free memory | |
343 | * | |
344 | * @rdev: radeon_device pointer | |
345 | * | |
346 | * Disables Writeback and frees the Writeback memory (all asics). | |
347 | * Used at driver shutdown. | |
348 | */ | |
724c80e1 AD |
349 | void radeon_wb_fini(struct radeon_device *rdev) |
350 | { | |
351 | radeon_wb_disable(rdev); | |
352 | if (rdev->wb.wb_obj) { | |
089920f2 JG |
353 | if (!radeon_bo_reserve(rdev->wb.wb_obj, false)) { |
354 | radeon_bo_kunmap(rdev->wb.wb_obj); | |
355 | radeon_bo_unpin(rdev->wb.wb_obj); | |
356 | radeon_bo_unreserve(rdev->wb.wb_obj); | |
357 | } | |
724c80e1 AD |
358 | radeon_bo_unref(&rdev->wb.wb_obj); |
359 | rdev->wb.wb = NULL; | |
360 | rdev->wb.wb_obj = NULL; | |
361 | } | |
362 | } | |
363 | ||
0c195119 AD |
364 | /** |
365 | * radeon_wb_init- Init Writeback driver info and allocate memory | |
366 | * | |
367 | * @rdev: radeon_device pointer | |
368 | * | |
369 | * Disables Writeback and frees the Writeback memory (all asics). | |
370 | * Used at driver startup. | |
371 | * Returns 0 on success or an -error on failure. | |
372 | */ | |
724c80e1 AD |
373 | int radeon_wb_init(struct radeon_device *rdev) |
374 | { | |
375 | int r; | |
376 | ||
377 | if (rdev->wb.wb_obj == NULL) { | |
441921d5 | 378 | r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true, |
40f5cf99 | 379 | RADEON_GEM_DOMAIN_GTT, NULL, &rdev->wb.wb_obj); |
724c80e1 AD |
380 | if (r) { |
381 | dev_warn(rdev->dev, "(%d) create WB bo failed\n", r); | |
382 | return r; | |
383 | } | |
089920f2 JG |
384 | r = radeon_bo_reserve(rdev->wb.wb_obj, false); |
385 | if (unlikely(r != 0)) { | |
386 | radeon_wb_fini(rdev); | |
387 | return r; | |
388 | } | |
389 | r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT, | |
390 | &rdev->wb.gpu_addr); | |
391 | if (r) { | |
392 | radeon_bo_unreserve(rdev->wb.wb_obj); | |
393 | dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r); | |
394 | radeon_wb_fini(rdev); | |
395 | return r; | |
396 | } | |
397 | r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb); | |
724c80e1 | 398 | radeon_bo_unreserve(rdev->wb.wb_obj); |
089920f2 JG |
399 | if (r) { |
400 | dev_warn(rdev->dev, "(%d) map WB bo failed\n", r); | |
401 | radeon_wb_fini(rdev); | |
402 | return r; | |
403 | } | |
724c80e1 AD |
404 | } |
405 | ||
e6ba7599 AD |
406 | /* clear wb memory */ |
407 | memset((char *)rdev->wb.wb, 0, RADEON_GPU_PAGE_SIZE); | |
d0f8a854 AD |
408 | /* disable event_write fences */ |
409 | rdev->wb.use_event = false; | |
724c80e1 | 410 | /* disabled via module param */ |
3b7a2b24 | 411 | if (radeon_no_wb == 1) { |
724c80e1 | 412 | rdev->wb.enabled = false; |
3b7a2b24 | 413 | } else { |
724c80e1 | 414 | if (rdev->flags & RADEON_IS_AGP) { |
28eebb70 AD |
415 | /* often unreliable on AGP */ |
416 | rdev->wb.enabled = false; | |
417 | } else if (rdev->family < CHIP_R300) { | |
418 | /* often unreliable on pre-r300 */ | |
724c80e1 | 419 | rdev->wb.enabled = false; |
d0f8a854 | 420 | } else { |
724c80e1 | 421 | rdev->wb.enabled = true; |
d0f8a854 | 422 | /* event_write fences are only available on r600+ */ |
3b7a2b24 | 423 | if (rdev->family >= CHIP_R600) { |
d0f8a854 | 424 | rdev->wb.use_event = true; |
3b7a2b24 | 425 | } |
d0f8a854 | 426 | } |
724c80e1 | 427 | } |
c994ead6 AD |
428 | /* always use writeback/events on NI, APUs */ |
429 | if (rdev->family >= CHIP_PALM) { | |
7d52785d AD |
430 | rdev->wb.enabled = true; |
431 | rdev->wb.use_event = true; | |
432 | } | |
724c80e1 AD |
433 | |
434 | dev_info(rdev->dev, "WB %sabled\n", rdev->wb.enabled ? "en" : "dis"); | |
435 | ||
436 | return 0; | |
437 | } | |
438 | ||
d594e46a JG |
439 | /** |
440 | * radeon_vram_location - try to find VRAM location | |
441 | * @rdev: radeon device structure holding all necessary informations | |
442 | * @mc: memory controller structure holding memory informations | |
443 | * @base: base address at which to put VRAM | |
444 | * | |
445 | * Function will place try to place VRAM at base address provided | |
446 | * as parameter (which is so far either PCI aperture address or | |
447 | * for IGP TOM base address). | |
448 | * | |
449 | * If there is not enough space to fit the unvisible VRAM in the 32bits | |
450 | * address space then we limit the VRAM size to the aperture. | |
451 | * | |
452 | * If we are using AGP and if the AGP aperture doesn't allow us to have | |
453 | * room for all the VRAM than we restrict the VRAM to the PCI aperture | |
454 | * size and print a warning. | |
455 | * | |
456 | * This function will never fails, worst case are limiting VRAM. | |
457 | * | |
458 | * Note: GTT start, end, size should be initialized before calling this | |
459 | * function on AGP platform. | |
460 | * | |
25985edc | 461 | * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size, |
d594e46a JG |
462 | * this shouldn't be a problem as we are using the PCI aperture as a reference. |
463 | * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but | |
464 | * not IGP. | |
465 | * | |
466 | * Note: we use mc_vram_size as on some board we need to program the mc to | |
467 | * cover the whole aperture even if VRAM size is inferior to aperture size | |
468 | * Novell bug 204882 + along with lots of ubuntu ones | |
469 | * | |
470 | * Note: when limiting vram it's safe to overwritte real_vram_size because | |
471 | * we are not in case where real_vram_size is inferior to mc_vram_size (ie | |
472 | * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu | |
473 | * ones) | |
474 | * | |
475 | * Note: IGP TOM addr should be the same as the aperture addr, we don't | |
476 | * explicitly check for that thought. | |
477 | * | |
478 | * FIXME: when reducing VRAM size align new size on power of 2. | |
771fe6b9 | 479 | */ |
d594e46a | 480 | void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base) |
771fe6b9 | 481 | { |
1bcb04f7 CK |
482 | uint64_t limit = (uint64_t)radeon_vram_limit << 20; |
483 | ||
d594e46a | 484 | mc->vram_start = base; |
9ed8b1f9 | 485 | if (mc->mc_vram_size > (rdev->mc.mc_mask - base + 1)) { |
d594e46a JG |
486 | dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n"); |
487 | mc->real_vram_size = mc->aper_size; | |
488 | mc->mc_vram_size = mc->aper_size; | |
489 | } | |
490 | mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; | |
2cbeb4ef | 491 | if (rdev->flags & RADEON_IS_AGP && mc->vram_end > mc->gtt_start && mc->vram_start <= mc->gtt_end) { |
d594e46a JG |
492 | dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n"); |
493 | mc->real_vram_size = mc->aper_size; | |
494 | mc->mc_vram_size = mc->aper_size; | |
495 | } | |
496 | mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; | |
1bcb04f7 CK |
497 | if (limit && limit < mc->real_vram_size) |
498 | mc->real_vram_size = limit; | |
dd7cc55a | 499 | dev_info(rdev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n", |
d594e46a JG |
500 | mc->mc_vram_size >> 20, mc->vram_start, |
501 | mc->vram_end, mc->real_vram_size >> 20); | |
502 | } | |
771fe6b9 | 503 | |
d594e46a JG |
504 | /** |
505 | * radeon_gtt_location - try to find GTT location | |
506 | * @rdev: radeon device structure holding all necessary informations | |
507 | * @mc: memory controller structure holding memory informations | |
508 | * | |
509 | * Function will place try to place GTT before or after VRAM. | |
510 | * | |
511 | * If GTT size is bigger than space left then we ajust GTT size. | |
512 | * Thus function will never fails. | |
513 | * | |
514 | * FIXME: when reducing GTT size align new size on power of 2. | |
515 | */ | |
516 | void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) | |
517 | { | |
518 | u64 size_af, size_bf; | |
519 | ||
9ed8b1f9 | 520 | size_af = ((rdev->mc.mc_mask - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align; |
8d369bb1 | 521 | size_bf = mc->vram_start & ~mc->gtt_base_align; |
d594e46a JG |
522 | if (size_bf > size_af) { |
523 | if (mc->gtt_size > size_bf) { | |
524 | dev_warn(rdev->dev, "limiting GTT\n"); | |
525 | mc->gtt_size = size_bf; | |
771fe6b9 | 526 | } |
8d369bb1 | 527 | mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size; |
771fe6b9 | 528 | } else { |
d594e46a JG |
529 | if (mc->gtt_size > size_af) { |
530 | dev_warn(rdev->dev, "limiting GTT\n"); | |
531 | mc->gtt_size = size_af; | |
532 | } | |
8d369bb1 | 533 | mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align; |
771fe6b9 | 534 | } |
d594e46a | 535 | mc->gtt_end = mc->gtt_start + mc->gtt_size - 1; |
dd7cc55a | 536 | dev_info(rdev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", |
d594e46a | 537 | mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end); |
771fe6b9 JG |
538 | } |
539 | ||
771fe6b9 JG |
540 | /* |
541 | * GPU helpers function. | |
542 | */ | |
0c195119 AD |
543 | /** |
544 | * radeon_card_posted - check if the hw has already been initialized | |
545 | * | |
546 | * @rdev: radeon_device pointer | |
547 | * | |
548 | * Check if the asic has been initialized (all asics). | |
549 | * Used at driver startup. | |
550 | * Returns true if initialized or false if not. | |
551 | */ | |
9f022ddf | 552 | bool radeon_card_posted(struct radeon_device *rdev) |
771fe6b9 JG |
553 | { |
554 | uint32_t reg; | |
555 | ||
50a583f6 | 556 | /* required for EFI mode on macbook2,1 which uses an r5xx asic */ |
83e68189 | 557 | if (efi_enabled(EFI_BOOT) && |
50a583f6 AD |
558 | (rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) && |
559 | (rdev->family < CHIP_R600)) | |
bcc65fd8 MG |
560 | return false; |
561 | ||
2cf3a4fc AD |
562 | if (ASIC_IS_NODCE(rdev)) |
563 | goto check_memsize; | |
564 | ||
771fe6b9 | 565 | /* first check CRTCs */ |
09fb8bd1 | 566 | if (ASIC_IS_DCE4(rdev)) { |
18007401 AD |
567 | reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | |
568 | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); | |
09fb8bd1 AD |
569 | if (rdev->num_crtc >= 4) { |
570 | reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | | |
571 | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); | |
572 | } | |
573 | if (rdev->num_crtc >= 6) { | |
574 | reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | | |
575 | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); | |
576 | } | |
bcc1c2a1 AD |
577 | if (reg & EVERGREEN_CRTC_MASTER_EN) |
578 | return true; | |
579 | } else if (ASIC_IS_AVIVO(rdev)) { | |
771fe6b9 JG |
580 | reg = RREG32(AVIVO_D1CRTC_CONTROL) | |
581 | RREG32(AVIVO_D2CRTC_CONTROL); | |
582 | if (reg & AVIVO_CRTC_EN) { | |
583 | return true; | |
584 | } | |
585 | } else { | |
586 | reg = RREG32(RADEON_CRTC_GEN_CNTL) | | |
587 | RREG32(RADEON_CRTC2_GEN_CNTL); | |
588 | if (reg & RADEON_CRTC_EN) { | |
589 | return true; | |
590 | } | |
591 | } | |
592 | ||
2cf3a4fc | 593 | check_memsize: |
771fe6b9 JG |
594 | /* then check MEM_SIZE, in case the crtcs are off */ |
595 | if (rdev->family >= CHIP_R600) | |
596 | reg = RREG32(R600_CONFIG_MEMSIZE); | |
597 | else | |
598 | reg = RREG32(RADEON_CONFIG_MEMSIZE); | |
599 | ||
600 | if (reg) | |
601 | return true; | |
602 | ||
603 | return false; | |
604 | ||
605 | } | |
606 | ||
0c195119 AD |
607 | /** |
608 | * radeon_update_bandwidth_info - update display bandwidth params | |
609 | * | |
610 | * @rdev: radeon_device pointer | |
611 | * | |
612 | * Used when sclk/mclk are switched or display modes are set. | |
613 | * params are used to calculate display watermarks (all asics) | |
614 | */ | |
f47299c5 AD |
615 | void radeon_update_bandwidth_info(struct radeon_device *rdev) |
616 | { | |
617 | fixed20_12 a; | |
8807286e AD |
618 | u32 sclk = rdev->pm.current_sclk; |
619 | u32 mclk = rdev->pm.current_mclk; | |
f47299c5 | 620 | |
8807286e AD |
621 | /* sclk/mclk in Mhz */ |
622 | a.full = dfixed_const(100); | |
623 | rdev->pm.sclk.full = dfixed_const(sclk); | |
624 | rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a); | |
625 | rdev->pm.mclk.full = dfixed_const(mclk); | |
626 | rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a); | |
f47299c5 | 627 | |
8807286e | 628 | if (rdev->flags & RADEON_IS_IGP) { |
68adac5e | 629 | a.full = dfixed_const(16); |
f47299c5 | 630 | /* core_bandwidth = sclk(Mhz) * 16 */ |
68adac5e | 631 | rdev->pm.core_bandwidth.full = dfixed_div(rdev->pm.sclk, a); |
f47299c5 AD |
632 | } |
633 | } | |
634 | ||
0c195119 AD |
635 | /** |
636 | * radeon_boot_test_post_card - check and possibly initialize the hw | |
637 | * | |
638 | * @rdev: radeon_device pointer | |
639 | * | |
640 | * Check if the asic is initialized and if not, attempt to initialize | |
641 | * it (all asics). | |
642 | * Returns true if initialized or false if not. | |
643 | */ | |
72542d77 DA |
644 | bool radeon_boot_test_post_card(struct radeon_device *rdev) |
645 | { | |
646 | if (radeon_card_posted(rdev)) | |
647 | return true; | |
648 | ||
649 | if (rdev->bios) { | |
650 | DRM_INFO("GPU not posted. posting now...\n"); | |
651 | if (rdev->is_atom_bios) | |
652 | atom_asic_init(rdev->mode_info.atom_context); | |
653 | else | |
654 | radeon_combios_asic_init(rdev->ddev); | |
655 | return true; | |
656 | } else { | |
657 | dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); | |
658 | return false; | |
659 | } | |
660 | } | |
661 | ||
0c195119 AD |
662 | /** |
663 | * radeon_dummy_page_init - init dummy page used by the driver | |
664 | * | |
665 | * @rdev: radeon_device pointer | |
666 | * | |
667 | * Allocate the dummy page used by the driver (all asics). | |
668 | * This dummy page is used by the driver as a filler for gart entries | |
669 | * when pages are taken out of the GART | |
670 | * Returns 0 on sucess, -ENOMEM on failure. | |
671 | */ | |
3ce0a23d JG |
672 | int radeon_dummy_page_init(struct radeon_device *rdev) |
673 | { | |
82568565 DA |
674 | if (rdev->dummy_page.page) |
675 | return 0; | |
3ce0a23d JG |
676 | rdev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); |
677 | if (rdev->dummy_page.page == NULL) | |
678 | return -ENOMEM; | |
679 | rdev->dummy_page.addr = pci_map_page(rdev->pdev, rdev->dummy_page.page, | |
680 | 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
a30f6fb7 BH |
681 | if (pci_dma_mapping_error(rdev->pdev, rdev->dummy_page.addr)) { |
682 | dev_err(&rdev->pdev->dev, "Failed to DMA MAP the dummy page\n"); | |
3ce0a23d JG |
683 | __free_page(rdev->dummy_page.page); |
684 | rdev->dummy_page.page = NULL; | |
685 | return -ENOMEM; | |
686 | } | |
687 | return 0; | |
688 | } | |
689 | ||
0c195119 AD |
690 | /** |
691 | * radeon_dummy_page_fini - free dummy page used by the driver | |
692 | * | |
693 | * @rdev: radeon_device pointer | |
694 | * | |
695 | * Frees the dummy page used by the driver (all asics). | |
696 | */ | |
3ce0a23d JG |
697 | void radeon_dummy_page_fini(struct radeon_device *rdev) |
698 | { | |
699 | if (rdev->dummy_page.page == NULL) | |
700 | return; | |
701 | pci_unmap_page(rdev->pdev, rdev->dummy_page.addr, | |
702 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
703 | __free_page(rdev->dummy_page.page); | |
704 | rdev->dummy_page.page = NULL; | |
705 | } | |
706 | ||
771fe6b9 | 707 | |
771fe6b9 | 708 | /* ATOM accessor methods */ |
0c195119 AD |
709 | /* |
710 | * ATOM is an interpreted byte code stored in tables in the vbios. The | |
711 | * driver registers callbacks to access registers and the interpreter | |
712 | * in the driver parses the tables and executes then to program specific | |
713 | * actions (set display modes, asic init, etc.). See radeon_atombios.c, | |
714 | * atombios.h, and atom.c | |
715 | */ | |
716 | ||
717 | /** | |
718 | * cail_pll_read - read PLL register | |
719 | * | |
720 | * @info: atom card_info pointer | |
721 | * @reg: PLL register offset | |
722 | * | |
723 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
724 | * Returns the value of the PLL register. | |
725 | */ | |
771fe6b9 JG |
726 | static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) |
727 | { | |
728 | struct radeon_device *rdev = info->dev->dev_private; | |
729 | uint32_t r; | |
730 | ||
731 | r = rdev->pll_rreg(rdev, reg); | |
732 | return r; | |
733 | } | |
734 | ||
0c195119 AD |
735 | /** |
736 | * cail_pll_write - write PLL register | |
737 | * | |
738 | * @info: atom card_info pointer | |
739 | * @reg: PLL register offset | |
740 | * @val: value to write to the pll register | |
741 | * | |
742 | * Provides a PLL register accessor for the atom interpreter (r4xx+). | |
743 | */ | |
771fe6b9 JG |
744 | static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) |
745 | { | |
746 | struct radeon_device *rdev = info->dev->dev_private; | |
747 | ||
748 | rdev->pll_wreg(rdev, reg, val); | |
749 | } | |
750 | ||
0c195119 AD |
751 | /** |
752 | * cail_mc_read - read MC (Memory Controller) register | |
753 | * | |
754 | * @info: atom card_info pointer | |
755 | * @reg: MC register offset | |
756 | * | |
757 | * Provides an MC register accessor for the atom interpreter (r4xx+). | |
758 | * Returns the value of the MC register. | |
759 | */ | |
771fe6b9 JG |
760 | static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) |
761 | { | |
762 | struct radeon_device *rdev = info->dev->dev_private; | |
763 | uint32_t r; | |
764 | ||
765 | r = rdev->mc_rreg(rdev, reg); | |
766 | return r; | |
767 | } | |
768 | ||
0c195119 AD |
769 | /** |
770 | * cail_mc_write - write MC (Memory Controller) register | |
771 | * | |
772 | * @info: atom card_info pointer | |
773 | * @reg: MC register offset | |
774 | * @val: value to write to the pll register | |
775 | * | |
776 | * Provides a MC register accessor for the atom interpreter (r4xx+). | |
777 | */ | |
771fe6b9 JG |
778 | static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) |
779 | { | |
780 | struct radeon_device *rdev = info->dev->dev_private; | |
781 | ||
782 | rdev->mc_wreg(rdev, reg, val); | |
783 | } | |
784 | ||
0c195119 AD |
785 | /** |
786 | * cail_reg_write - write MMIO register | |
787 | * | |
788 | * @info: atom card_info pointer | |
789 | * @reg: MMIO register offset | |
790 | * @val: value to write to the pll register | |
791 | * | |
792 | * Provides a MMIO register accessor for the atom interpreter (r4xx+). | |
793 | */ | |
771fe6b9 JG |
794 | static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) |
795 | { | |
796 | struct radeon_device *rdev = info->dev->dev_private; | |
797 | ||
798 | WREG32(reg*4, val); | |
799 | } | |
800 | ||
0c195119 AD |
801 | /** |
802 | * cail_reg_read - read MMIO register | |
803 | * | |
804 | * @info: atom card_info pointer | |
805 | * @reg: MMIO register offset | |
806 | * | |
807 | * Provides an MMIO register accessor for the atom interpreter (r4xx+). | |
808 | * Returns the value of the MMIO register. | |
809 | */ | |
771fe6b9 JG |
810 | static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) |
811 | { | |
812 | struct radeon_device *rdev = info->dev->dev_private; | |
813 | uint32_t r; | |
814 | ||
815 | r = RREG32(reg*4); | |
816 | return r; | |
817 | } | |
818 | ||
0c195119 AD |
819 | /** |
820 | * cail_ioreg_write - write IO register | |
821 | * | |
822 | * @info: atom card_info pointer | |
823 | * @reg: IO register offset | |
824 | * @val: value to write to the pll register | |
825 | * | |
826 | * Provides a IO register accessor for the atom interpreter (r4xx+). | |
827 | */ | |
351a52a2 AD |
828 | static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val) |
829 | { | |
830 | struct radeon_device *rdev = info->dev->dev_private; | |
831 | ||
832 | WREG32_IO(reg*4, val); | |
833 | } | |
834 | ||
0c195119 AD |
835 | /** |
836 | * cail_ioreg_read - read IO register | |
837 | * | |
838 | * @info: atom card_info pointer | |
839 | * @reg: IO register offset | |
840 | * | |
841 | * Provides an IO register accessor for the atom interpreter (r4xx+). | |
842 | * Returns the value of the IO register. | |
843 | */ | |
351a52a2 AD |
844 | static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg) |
845 | { | |
846 | struct radeon_device *rdev = info->dev->dev_private; | |
847 | uint32_t r; | |
848 | ||
849 | r = RREG32_IO(reg*4); | |
850 | return r; | |
851 | } | |
852 | ||
0c195119 AD |
853 | /** |
854 | * radeon_atombios_init - init the driver info and callbacks for atombios | |
855 | * | |
856 | * @rdev: radeon_device pointer | |
857 | * | |
858 | * Initializes the driver info and register access callbacks for the | |
859 | * ATOM interpreter (r4xx+). | |
860 | * Returns 0 on sucess, -ENOMEM on failure. | |
861 | * Called at driver startup. | |
862 | */ | |
771fe6b9 JG |
863 | int radeon_atombios_init(struct radeon_device *rdev) |
864 | { | |
61c4b24b MF |
865 | struct card_info *atom_card_info = |
866 | kzalloc(sizeof(struct card_info), GFP_KERNEL); | |
867 | ||
868 | if (!atom_card_info) | |
869 | return -ENOMEM; | |
870 | ||
871 | rdev->mode_info.atom_card_info = atom_card_info; | |
872 | atom_card_info->dev = rdev->ddev; | |
873 | atom_card_info->reg_read = cail_reg_read; | |
874 | atom_card_info->reg_write = cail_reg_write; | |
351a52a2 AD |
875 | /* needed for iio ops */ |
876 | if (rdev->rio_mem) { | |
877 | atom_card_info->ioreg_read = cail_ioreg_read; | |
878 | atom_card_info->ioreg_write = cail_ioreg_write; | |
879 | } else { | |
880 | DRM_ERROR("Unable to find PCI I/O BAR; using MMIO for ATOM IIO\n"); | |
881 | atom_card_info->ioreg_read = cail_reg_read; | |
882 | atom_card_info->ioreg_write = cail_reg_write; | |
883 | } | |
61c4b24b MF |
884 | atom_card_info->mc_read = cail_mc_read; |
885 | atom_card_info->mc_write = cail_mc_write; | |
886 | atom_card_info->pll_read = cail_pll_read; | |
887 | atom_card_info->pll_write = cail_pll_write; | |
888 | ||
889 | rdev->mode_info.atom_context = atom_parse(atom_card_info, rdev->bios); | |
0e34d094 TG |
890 | if (!rdev->mode_info.atom_context) { |
891 | radeon_atombios_fini(rdev); | |
892 | return -ENOMEM; | |
893 | } | |
894 | ||
c31ad97f | 895 | mutex_init(&rdev->mode_info.atom_context->mutex); |
771fe6b9 | 896 | radeon_atom_initialize_bios_scratch_regs(rdev->ddev); |
d904ef9b | 897 | atom_allocate_fb_scratch(rdev->mode_info.atom_context); |
771fe6b9 JG |
898 | return 0; |
899 | } | |
900 | ||
0c195119 AD |
901 | /** |
902 | * radeon_atombios_fini - free the driver info and callbacks for atombios | |
903 | * | |
904 | * @rdev: radeon_device pointer | |
905 | * | |
906 | * Frees the driver info and register access callbacks for the ATOM | |
907 | * interpreter (r4xx+). | |
908 | * Called at driver shutdown. | |
909 | */ | |
771fe6b9 JG |
910 | void radeon_atombios_fini(struct radeon_device *rdev) |
911 | { | |
4a04a844 JG |
912 | if (rdev->mode_info.atom_context) { |
913 | kfree(rdev->mode_info.atom_context->scratch); | |
4a04a844 | 914 | } |
0e34d094 TG |
915 | kfree(rdev->mode_info.atom_context); |
916 | rdev->mode_info.atom_context = NULL; | |
61c4b24b | 917 | kfree(rdev->mode_info.atom_card_info); |
0e34d094 | 918 | rdev->mode_info.atom_card_info = NULL; |
771fe6b9 JG |
919 | } |
920 | ||
0c195119 AD |
921 | /* COMBIOS */ |
922 | /* | |
923 | * COMBIOS is the bios format prior to ATOM. It provides | |
924 | * command tables similar to ATOM, but doesn't have a unified | |
925 | * parser. See radeon_combios.c | |
926 | */ | |
927 | ||
928 | /** | |
929 | * radeon_combios_init - init the driver info for combios | |
930 | * | |
931 | * @rdev: radeon_device pointer | |
932 | * | |
933 | * Initializes the driver info for combios (r1xx-r3xx). | |
934 | * Returns 0 on sucess. | |
935 | * Called at driver startup. | |
936 | */ | |
771fe6b9 JG |
937 | int radeon_combios_init(struct radeon_device *rdev) |
938 | { | |
939 | radeon_combios_initialize_bios_scratch_regs(rdev->ddev); | |
940 | return 0; | |
941 | } | |
942 | ||
0c195119 AD |
943 | /** |
944 | * radeon_combios_fini - free the driver info for combios | |
945 | * | |
946 | * @rdev: radeon_device pointer | |
947 | * | |
948 | * Frees the driver info for combios (r1xx-r3xx). | |
949 | * Called at driver shutdown. | |
950 | */ | |
771fe6b9 JG |
951 | void radeon_combios_fini(struct radeon_device *rdev) |
952 | { | |
953 | } | |
954 | ||
0c195119 AD |
955 | /* if we get transitioned to only one device, take VGA back */ |
956 | /** | |
957 | * radeon_vga_set_decode - enable/disable vga decode | |
958 | * | |
959 | * @cookie: radeon_device pointer | |
960 | * @state: enable/disable vga decode | |
961 | * | |
962 | * Enable/disable vga decode (all asics). | |
963 | * Returns VGA resource flags. | |
964 | */ | |
28d52043 DA |
965 | static unsigned int radeon_vga_set_decode(void *cookie, bool state) |
966 | { | |
967 | struct radeon_device *rdev = cookie; | |
28d52043 DA |
968 | radeon_vga_set_state(rdev, state); |
969 | if (state) | |
970 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
971 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
972 | else | |
973 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
974 | } | |
c1176d6f | 975 | |
1bcb04f7 CK |
976 | /** |
977 | * radeon_check_pot_argument - check that argument is a power of two | |
978 | * | |
979 | * @arg: value to check | |
980 | * | |
981 | * Validates that a certain argument is a power of two (all asics). | |
982 | * Returns true if argument is valid. | |
983 | */ | |
984 | static bool radeon_check_pot_argument(int arg) | |
985 | { | |
986 | return (arg & (arg - 1)) == 0; | |
987 | } | |
988 | ||
0c195119 AD |
989 | /** |
990 | * radeon_check_arguments - validate module params | |
991 | * | |
992 | * @rdev: radeon_device pointer | |
993 | * | |
994 | * Validates certain module parameters and updates | |
995 | * the associated values used by the driver (all asics). | |
996 | */ | |
1109ca09 | 997 | static void radeon_check_arguments(struct radeon_device *rdev) |
36421338 JG |
998 | { |
999 | /* vramlimit must be a power of two */ | |
1bcb04f7 | 1000 | if (!radeon_check_pot_argument(radeon_vram_limit)) { |
36421338 JG |
1001 | dev_warn(rdev->dev, "vram limit (%d) must be a power of 2\n", |
1002 | radeon_vram_limit); | |
1003 | radeon_vram_limit = 0; | |
36421338 | 1004 | } |
1bcb04f7 | 1005 | |
edcd26e8 AD |
1006 | if (radeon_gart_size == -1) { |
1007 | /* default to a larger gart size on newer asics */ | |
1008 | if (rdev->family >= CHIP_RV770) | |
1009 | radeon_gart_size = 1024; | |
1010 | else | |
1011 | radeon_gart_size = 512; | |
1012 | } | |
36421338 | 1013 | /* gtt size must be power of two and greater or equal to 32M */ |
1bcb04f7 | 1014 | if (radeon_gart_size < 32) { |
edcd26e8 | 1015 | dev_warn(rdev->dev, "gart size (%d) too small\n", |
36421338 | 1016 | radeon_gart_size); |
edcd26e8 AD |
1017 | if (rdev->family >= CHIP_RV770) |
1018 | radeon_gart_size = 1024; | |
1019 | else | |
1020 | radeon_gart_size = 512; | |
1bcb04f7 | 1021 | } else if (!radeon_check_pot_argument(radeon_gart_size)) { |
36421338 JG |
1022 | dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n", |
1023 | radeon_gart_size); | |
edcd26e8 AD |
1024 | if (rdev->family >= CHIP_RV770) |
1025 | radeon_gart_size = 1024; | |
1026 | else | |
1027 | radeon_gart_size = 512; | |
36421338 | 1028 | } |
1bcb04f7 CK |
1029 | rdev->mc.gtt_size = (uint64_t)radeon_gart_size << 20; |
1030 | ||
36421338 JG |
1031 | /* AGP mode can only be -1, 1, 2, 4, 8 */ |
1032 | switch (radeon_agpmode) { | |
1033 | case -1: | |
1034 | case 0: | |
1035 | case 1: | |
1036 | case 2: | |
1037 | case 4: | |
1038 | case 8: | |
1039 | break; | |
1040 | default: | |
1041 | dev_warn(rdev->dev, "invalid AGP mode %d (valid mode: " | |
1042 | "-1, 0, 1, 2, 4, 8)\n", radeon_agpmode); | |
1043 | radeon_agpmode = 0; | |
1044 | break; | |
1045 | } | |
1046 | } | |
1047 | ||
d1f9809e ML |
1048 | /** |
1049 | * radeon_switcheroo_quirk_long_wakeup - return true if longer d3 delay is | |
1050 | * needed for waking up. | |
1051 | * | |
1052 | * @pdev: pci dev pointer | |
1053 | */ | |
1054 | static bool radeon_switcheroo_quirk_long_wakeup(struct pci_dev *pdev) | |
1055 | { | |
1056 | ||
1057 | /* 6600m in a macbook pro */ | |
1058 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE && | |
1059 | pdev->subsystem_device == 0x00e2) { | |
1060 | printk(KERN_INFO "radeon: quirking longer d3 wakeup delay\n"); | |
1061 | return true; | |
1062 | } | |
1063 | ||
1064 | return false; | |
1065 | } | |
1066 | ||
0c195119 AD |
1067 | /** |
1068 | * radeon_switcheroo_set_state - set switcheroo state | |
1069 | * | |
1070 | * @pdev: pci dev pointer | |
1071 | * @state: vga switcheroo state | |
1072 | * | |
1073 | * Callback for the switcheroo driver. Suspends or resumes the | |
1074 | * the asics before or after it is powered up using ACPI methods. | |
1075 | */ | |
6a9ee8af DA |
1076 | static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) |
1077 | { | |
1078 | struct drm_device *dev = pci_get_drvdata(pdev); | |
6a9ee8af DA |
1079 | pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; |
1080 | if (state == VGA_SWITCHEROO_ON) { | |
d1f9809e ML |
1081 | unsigned d3_delay = dev->pdev->d3_delay; |
1082 | ||
6a9ee8af DA |
1083 | printk(KERN_INFO "radeon: switched on\n"); |
1084 | /* don't suspend or resume card normally */ | |
5bcf719b | 1085 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; |
d1f9809e ML |
1086 | |
1087 | if (d3_delay < 20 && radeon_switcheroo_quirk_long_wakeup(pdev)) | |
1088 | dev->pdev->d3_delay = 20; | |
1089 | ||
6a9ee8af | 1090 | radeon_resume_kms(dev); |
d1f9809e ML |
1091 | |
1092 | dev->pdev->d3_delay = d3_delay; | |
1093 | ||
5bcf719b | 1094 | dev->switch_power_state = DRM_SWITCH_POWER_ON; |
fbf81762 | 1095 | drm_kms_helper_poll_enable(dev); |
6a9ee8af DA |
1096 | } else { |
1097 | printk(KERN_INFO "radeon: switched off\n"); | |
fbf81762 | 1098 | drm_kms_helper_poll_disable(dev); |
5bcf719b | 1099 | dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; |
6a9ee8af | 1100 | radeon_suspend_kms(dev, pmm); |
5bcf719b | 1101 | dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
6a9ee8af DA |
1102 | } |
1103 | } | |
1104 | ||
0c195119 AD |
1105 | /** |
1106 | * radeon_switcheroo_can_switch - see if switcheroo state can change | |
1107 | * | |
1108 | * @pdev: pci dev pointer | |
1109 | * | |
1110 | * Callback for the switcheroo driver. Check of the switcheroo | |
1111 | * state can be changed. | |
1112 | * Returns true if the state can be changed, false if not. | |
1113 | */ | |
6a9ee8af DA |
1114 | static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) |
1115 | { | |
1116 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1117 | bool can_switch; | |
1118 | ||
1119 | spin_lock(&dev->count_lock); | |
1120 | can_switch = (dev->open_count == 0); | |
1121 | spin_unlock(&dev->count_lock); | |
1122 | return can_switch; | |
1123 | } | |
1124 | ||
26ec685f TI |
1125 | static const struct vga_switcheroo_client_ops radeon_switcheroo_ops = { |
1126 | .set_gpu_state = radeon_switcheroo_set_state, | |
1127 | .reprobe = NULL, | |
1128 | .can_switch = radeon_switcheroo_can_switch, | |
1129 | }; | |
6a9ee8af | 1130 | |
0c195119 AD |
1131 | /** |
1132 | * radeon_device_init - initialize the driver | |
1133 | * | |
1134 | * @rdev: radeon_device pointer | |
1135 | * @pdev: drm dev pointer | |
1136 | * @pdev: pci dev pointer | |
1137 | * @flags: driver flags | |
1138 | * | |
1139 | * Initializes the driver info and hw (all asics). | |
1140 | * Returns 0 for success or an error on failure. | |
1141 | * Called at driver startup. | |
1142 | */ | |
771fe6b9 JG |
1143 | int radeon_device_init(struct radeon_device *rdev, |
1144 | struct drm_device *ddev, | |
1145 | struct pci_dev *pdev, | |
1146 | uint32_t flags) | |
1147 | { | |
351a52a2 | 1148 | int r, i; |
ad49f501 | 1149 | int dma_bits; |
771fe6b9 | 1150 | |
771fe6b9 | 1151 | rdev->shutdown = false; |
9f022ddf | 1152 | rdev->dev = &pdev->dev; |
771fe6b9 JG |
1153 | rdev->ddev = ddev; |
1154 | rdev->pdev = pdev; | |
1155 | rdev->flags = flags; | |
1156 | rdev->family = flags & RADEON_FAMILY_MASK; | |
1157 | rdev->is_atom_bios = false; | |
1158 | rdev->usec_timeout = RADEON_MAX_USEC_TIMEOUT; | |
edcd26e8 | 1159 | rdev->mc.gtt_size = 512 * 1024 * 1024; |
733289c2 | 1160 | rdev->accel_working = false; |
8b25ed34 AD |
1161 | /* set up ring ids */ |
1162 | for (i = 0; i < RADEON_NUM_RINGS; i++) { | |
1163 | rdev->ring[i].idx = i; | |
1164 | } | |
1b5331d9 | 1165 | |
d522d9cc TR |
1166 | DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X).\n", |
1167 | radeon_family_name[rdev->family], pdev->vendor, pdev->device, | |
1168 | pdev->subsystem_vendor, pdev->subsystem_device); | |
1b5331d9 | 1169 | |
771fe6b9 JG |
1170 | /* mutex initialization are all done here so we |
1171 | * can recall function without having locking issues */ | |
d6999bc7 | 1172 | mutex_init(&rdev->ring_lock); |
40bacf16 | 1173 | mutex_init(&rdev->dc_hw_i2c_mutex); |
c20dc369 | 1174 | atomic_set(&rdev->ih.lock, 0); |
4c788679 | 1175 | mutex_init(&rdev->gem.mutex); |
c913e23a | 1176 | mutex_init(&rdev->pm.mutex); |
6759a0a7 | 1177 | mutex_init(&rdev->gpu_clock_mutex); |
f61d5b46 | 1178 | mutex_init(&rdev->srbm_mutex); |
db7fce39 | 1179 | init_rwsem(&rdev->pm.mclk_lock); |
dee53e7f | 1180 | init_rwsem(&rdev->exclusive_lock); |
73a6d3fc | 1181 | init_waitqueue_head(&rdev->irq.vblank_queue); |
1b9c3dd0 AD |
1182 | r = radeon_gem_init(rdev); |
1183 | if (r) | |
1184 | return r; | |
721604a1 | 1185 | /* initialize vm here */ |
36ff39c4 | 1186 | mutex_init(&rdev->vm_manager.lock); |
23d4f1f2 AD |
1187 | /* Adjust VM size here. |
1188 | * Currently set to 4GB ((1 << 20) 4k pages). | |
1189 | * Max GPUVM size for cayman and SI is 40 bits. | |
1190 | */ | |
721604a1 JG |
1191 | rdev->vm_manager.max_pfn = 1 << 20; |
1192 | INIT_LIST_HEAD(&rdev->vm_manager.lru_vm); | |
771fe6b9 | 1193 | |
4aac0473 JG |
1194 | /* Set asic functions */ |
1195 | r = radeon_asic_init(rdev); | |
36421338 | 1196 | if (r) |
4aac0473 | 1197 | return r; |
36421338 | 1198 | radeon_check_arguments(rdev); |
4aac0473 | 1199 | |
f95df9ca AD |
1200 | /* all of the newer IGP chips have an internal gart |
1201 | * However some rs4xx report as AGP, so remove that here. | |
1202 | */ | |
1203 | if ((rdev->family >= CHIP_RS400) && | |
1204 | (rdev->flags & RADEON_IS_IGP)) { | |
1205 | rdev->flags &= ~RADEON_IS_AGP; | |
1206 | } | |
1207 | ||
30256a3f | 1208 | if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) { |
b574f251 | 1209 | radeon_agp_disable(rdev); |
771fe6b9 JG |
1210 | } |
1211 | ||
9ed8b1f9 AD |
1212 | /* Set the internal MC address mask |
1213 | * This is the max address of the GPU's | |
1214 | * internal address space. | |
1215 | */ | |
1216 | if (rdev->family >= CHIP_CAYMAN) | |
1217 | rdev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ | |
1218 | else if (rdev->family >= CHIP_CEDAR) | |
1219 | rdev->mc.mc_mask = 0xfffffffffULL; /* 36 bit MC */ | |
1220 | else | |
1221 | rdev->mc.mc_mask = 0xffffffffULL; /* 32 bit MC */ | |
1222 | ||
ad49f501 DA |
1223 | /* set DMA mask + need_dma32 flags. |
1224 | * PCIE - can handle 40-bits. | |
005a83f1 | 1225 | * IGP - can handle 40-bits |
ad49f501 | 1226 | * AGP - generally dma32 is safest |
005a83f1 | 1227 | * PCI - dma32 for legacy pci gart, 40 bits on newer asics |
ad49f501 DA |
1228 | */ |
1229 | rdev->need_dma32 = false; | |
1230 | if (rdev->flags & RADEON_IS_AGP) | |
1231 | rdev->need_dma32 = true; | |
005a83f1 | 1232 | if ((rdev->flags & RADEON_IS_PCI) && |
4a2b6662 | 1233 | (rdev->family <= CHIP_RS740)) |
ad49f501 DA |
1234 | rdev->need_dma32 = true; |
1235 | ||
1236 | dma_bits = rdev->need_dma32 ? 32 : 40; | |
1237 | r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits)); | |
771fe6b9 | 1238 | if (r) { |
62fff811 | 1239 | rdev->need_dma32 = true; |
c52494f6 | 1240 | dma_bits = 32; |
771fe6b9 JG |
1241 | printk(KERN_WARNING "radeon: No suitable DMA available.\n"); |
1242 | } | |
c52494f6 KRW |
1243 | r = pci_set_consistent_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits)); |
1244 | if (r) { | |
1245 | pci_set_consistent_dma_mask(rdev->pdev, DMA_BIT_MASK(32)); | |
1246 | printk(KERN_WARNING "radeon: No coherent DMA available.\n"); | |
1247 | } | |
771fe6b9 JG |
1248 | |
1249 | /* Registers mapping */ | |
1250 | /* TODO: block userspace mapping of io register */ | |
2c385151 | 1251 | spin_lock_init(&rdev->mmio_idx_lock); |
fe78118c | 1252 | spin_lock_init(&rdev->smc_idx_lock); |
0a5b7b0b AD |
1253 | spin_lock_init(&rdev->pll_idx_lock); |
1254 | spin_lock_init(&rdev->mc_idx_lock); | |
1255 | spin_lock_init(&rdev->pcie_idx_lock); | |
1256 | spin_lock_init(&rdev->pciep_idx_lock); | |
1257 | spin_lock_init(&rdev->pif_idx_lock); | |
1258 | spin_lock_init(&rdev->cg_idx_lock); | |
1259 | spin_lock_init(&rdev->uvd_idx_lock); | |
1260 | spin_lock_init(&rdev->rcu_idx_lock); | |
1261 | spin_lock_init(&rdev->didt_idx_lock); | |
1262 | spin_lock_init(&rdev->end_idx_lock); | |
efad86db AD |
1263 | if (rdev->family >= CHIP_BONAIRE) { |
1264 | rdev->rmmio_base = pci_resource_start(rdev->pdev, 5); | |
1265 | rdev->rmmio_size = pci_resource_len(rdev->pdev, 5); | |
1266 | } else { | |
1267 | rdev->rmmio_base = pci_resource_start(rdev->pdev, 2); | |
1268 | rdev->rmmio_size = pci_resource_len(rdev->pdev, 2); | |
1269 | } | |
771fe6b9 JG |
1270 | rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size); |
1271 | if (rdev->rmmio == NULL) { | |
1272 | return -ENOMEM; | |
1273 | } | |
1274 | DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base); | |
1275 | DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size); | |
1276 | ||
75efdee1 AD |
1277 | /* doorbell bar mapping */ |
1278 | if (rdev->family >= CHIP_BONAIRE) | |
1279 | radeon_doorbell_init(rdev); | |
1280 | ||
351a52a2 AD |
1281 | /* io port mapping */ |
1282 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
1283 | if (pci_resource_flags(rdev->pdev, i) & IORESOURCE_IO) { | |
1284 | rdev->rio_mem_size = pci_resource_len(rdev->pdev, i); | |
1285 | rdev->rio_mem = pci_iomap(rdev->pdev, i, rdev->rio_mem_size); | |
1286 | break; | |
1287 | } | |
1288 | } | |
1289 | if (rdev->rio_mem == NULL) | |
1290 | DRM_ERROR("Unable to find PCI I/O BAR\n"); | |
1291 | ||
28d52043 | 1292 | /* if we have > 1 VGA cards, then disable the radeon VGA resources */ |
93239ea1 DA |
1293 | /* this will fail for cards that aren't VGA class devices, just |
1294 | * ignore it */ | |
1295 | vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); | |
0d69704a | 1296 | vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, false); |
28d52043 | 1297 | |
3ce0a23d | 1298 | r = radeon_init(rdev); |
b574f251 | 1299 | if (r) |
3ce0a23d | 1300 | return r; |
3ce0a23d | 1301 | |
04eb2206 CK |
1302 | r = radeon_ib_ring_tests(rdev); |
1303 | if (r) | |
1304 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
1305 | ||
409851f4 JG |
1306 | r = radeon_gem_debugfs_init(rdev); |
1307 | if (r) { | |
1308 | DRM_ERROR("registering gem debugfs failed (%d).\n", r); | |
1309 | } | |
1310 | ||
b574f251 JG |
1311 | if (rdev->flags & RADEON_IS_AGP && !rdev->accel_working) { |
1312 | /* Acceleration not working on AGP card try again | |
1313 | * with fallback to PCI or PCIE GART | |
1314 | */ | |
a2d07b74 | 1315 | radeon_asic_reset(rdev); |
b574f251 JG |
1316 | radeon_fini(rdev); |
1317 | radeon_agp_disable(rdev); | |
1318 | r = radeon_init(rdev); | |
4aac0473 JG |
1319 | if (r) |
1320 | return r; | |
771fe6b9 | 1321 | } |
60a7e396 | 1322 | if ((radeon_testing & 1)) { |
ecc0b326 MD |
1323 | radeon_test_moves(rdev); |
1324 | } | |
60a7e396 CK |
1325 | if ((radeon_testing & 2)) { |
1326 | radeon_test_syncing(rdev); | |
1327 | } | |
771fe6b9 | 1328 | if (radeon_benchmarking) { |
638dd7db | 1329 | radeon_benchmark(rdev, radeon_benchmarking); |
771fe6b9 | 1330 | } |
6cf8a3f5 | 1331 | return 0; |
771fe6b9 JG |
1332 | } |
1333 | ||
4d8bf9ae CK |
1334 | static void radeon_debugfs_remove_files(struct radeon_device *rdev); |
1335 | ||
0c195119 AD |
1336 | /** |
1337 | * radeon_device_fini - tear down the driver | |
1338 | * | |
1339 | * @rdev: radeon_device pointer | |
1340 | * | |
1341 | * Tear down the driver info (all asics). | |
1342 | * Called at driver shutdown. | |
1343 | */ | |
771fe6b9 JG |
1344 | void radeon_device_fini(struct radeon_device *rdev) |
1345 | { | |
771fe6b9 JG |
1346 | DRM_INFO("radeon: finishing device.\n"); |
1347 | rdev->shutdown = true; | |
90aca4d2 JG |
1348 | /* evict vram memory */ |
1349 | radeon_bo_evict_vram(rdev); | |
62a8ea3f | 1350 | radeon_fini(rdev); |
6a9ee8af | 1351 | vga_switcheroo_unregister_client(rdev->pdev); |
c1176d6f | 1352 | vga_client_register(rdev->pdev, NULL, NULL, NULL); |
e0a2ca73 AD |
1353 | if (rdev->rio_mem) |
1354 | pci_iounmap(rdev->pdev, rdev->rio_mem); | |
351a52a2 | 1355 | rdev->rio_mem = NULL; |
771fe6b9 JG |
1356 | iounmap(rdev->rmmio); |
1357 | rdev->rmmio = NULL; | |
75efdee1 AD |
1358 | if (rdev->family >= CHIP_BONAIRE) |
1359 | radeon_doorbell_fini(rdev); | |
4d8bf9ae | 1360 | radeon_debugfs_remove_files(rdev); |
771fe6b9 JG |
1361 | } |
1362 | ||
1363 | ||
1364 | /* | |
1365 | * Suspend & resume. | |
1366 | */ | |
0c195119 AD |
1367 | /** |
1368 | * radeon_suspend_kms - initiate device suspend | |
1369 | * | |
1370 | * @pdev: drm dev pointer | |
1371 | * @state: suspend state | |
1372 | * | |
1373 | * Puts the hw in the suspend state (all asics). | |
1374 | * Returns 0 for success or an error on failure. | |
1375 | * Called at driver suspend. | |
1376 | */ | |
771fe6b9 JG |
1377 | int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) |
1378 | { | |
875c1866 | 1379 | struct radeon_device *rdev; |
771fe6b9 | 1380 | struct drm_crtc *crtc; |
d8dcaa1d | 1381 | struct drm_connector *connector; |
7465280c | 1382 | int i, r; |
5f8f635e | 1383 | bool force_completion = false; |
771fe6b9 | 1384 | |
875c1866 | 1385 | if (dev == NULL || dev->dev_private == NULL) { |
771fe6b9 JG |
1386 | return -ENODEV; |
1387 | } | |
1388 | if (state.event == PM_EVENT_PRETHAW) { | |
1389 | return 0; | |
1390 | } | |
875c1866 DJ |
1391 | rdev = dev->dev_private; |
1392 | ||
5bcf719b | 1393 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
6a9ee8af | 1394 | return 0; |
d8dcaa1d | 1395 | |
86698c20 SF |
1396 | drm_kms_helper_poll_disable(dev); |
1397 | ||
d8dcaa1d AD |
1398 | /* turn off display hw */ |
1399 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1400 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
1401 | } | |
1402 | ||
771fe6b9 JG |
1403 | /* unpin the front buffers */ |
1404 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
1405 | struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb); | |
4c788679 | 1406 | struct radeon_bo *robj; |
771fe6b9 JG |
1407 | |
1408 | if (rfb == NULL || rfb->obj == NULL) { | |
1409 | continue; | |
1410 | } | |
7e4d15d9 | 1411 | robj = gem_to_radeon_bo(rfb->obj); |
38651674 DA |
1412 | /* don't unpin kernel fb objects */ |
1413 | if (!radeon_fbdev_robj_is_fb(rdev, robj)) { | |
4c788679 | 1414 | r = radeon_bo_reserve(robj, false); |
38651674 | 1415 | if (r == 0) { |
4c788679 JG |
1416 | radeon_bo_unpin(robj); |
1417 | radeon_bo_unreserve(robj); | |
1418 | } | |
771fe6b9 JG |
1419 | } |
1420 | } | |
1421 | /* evict vram memory */ | |
4c788679 | 1422 | radeon_bo_evict_vram(rdev); |
8a47cc9e CK |
1423 | |
1424 | mutex_lock(&rdev->ring_lock); | |
771fe6b9 | 1425 | /* wait for gpu to finish processing current batch */ |
5f8f635e JG |
1426 | for (i = 0; i < RADEON_NUM_RINGS; i++) { |
1427 | r = radeon_fence_wait_empty_locked(rdev, i); | |
1428 | if (r) { | |
1429 | /* delay GPU reset to resume */ | |
1430 | force_completion = true; | |
1431 | } | |
1432 | } | |
1433 | if (force_completion) { | |
1434 | radeon_fence_driver_force_completion(rdev); | |
1435 | } | |
8a47cc9e | 1436 | mutex_unlock(&rdev->ring_lock); |
771fe6b9 | 1437 | |
f657c2a7 YZ |
1438 | radeon_save_bios_scratch_regs(rdev); |
1439 | ||
ce8f5370 | 1440 | radeon_pm_suspend(rdev); |
62a8ea3f | 1441 | radeon_suspend(rdev); |
d4877cf2 | 1442 | radeon_hpd_fini(rdev); |
771fe6b9 | 1443 | /* evict remaining vram memory */ |
4c788679 | 1444 | radeon_bo_evict_vram(rdev); |
771fe6b9 | 1445 | |
10b06122 JG |
1446 | radeon_agp_suspend(rdev); |
1447 | ||
771fe6b9 JG |
1448 | pci_save_state(dev->pdev); |
1449 | if (state.event == PM_EVENT_SUSPEND) { | |
1450 | /* Shut down the device */ | |
1451 | pci_disable_device(dev->pdev); | |
1452 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
1453 | } | |
ac751efa | 1454 | console_lock(); |
38651674 | 1455 | radeon_fbdev_set_suspend(rdev, 1); |
ac751efa | 1456 | console_unlock(); |
771fe6b9 JG |
1457 | return 0; |
1458 | } | |
1459 | ||
0c195119 AD |
1460 | /** |
1461 | * radeon_resume_kms - initiate device resume | |
1462 | * | |
1463 | * @pdev: drm dev pointer | |
1464 | * | |
1465 | * Bring the hw back to operating state (all asics). | |
1466 | * Returns 0 for success or an error on failure. | |
1467 | * Called at driver resume. | |
1468 | */ | |
771fe6b9 JG |
1469 | int radeon_resume_kms(struct drm_device *dev) |
1470 | { | |
09bdf591 | 1471 | struct drm_connector *connector; |
771fe6b9 | 1472 | struct radeon_device *rdev = dev->dev_private; |
04eb2206 | 1473 | int r; |
771fe6b9 | 1474 | |
5bcf719b | 1475 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
6a9ee8af DA |
1476 | return 0; |
1477 | ||
ac751efa | 1478 | console_lock(); |
771fe6b9 JG |
1479 | pci_set_power_state(dev->pdev, PCI_D0); |
1480 | pci_restore_state(dev->pdev); | |
1481 | if (pci_enable_device(dev->pdev)) { | |
ac751efa | 1482 | console_unlock(); |
771fe6b9 JG |
1483 | return -1; |
1484 | } | |
0ebf1717 DA |
1485 | /* resume AGP if in use */ |
1486 | radeon_agp_resume(rdev); | |
62a8ea3f | 1487 | radeon_resume(rdev); |
04eb2206 CK |
1488 | |
1489 | r = radeon_ib_ring_tests(rdev); | |
1490 | if (r) | |
1491 | DRM_ERROR("ib ring test failed (%d).\n", r); | |
1492 | ||
ce8f5370 | 1493 | radeon_pm_resume(rdev); |
f657c2a7 | 1494 | radeon_restore_bios_scratch_regs(rdev); |
09bdf591 | 1495 | |
38651674 | 1496 | radeon_fbdev_set_suspend(rdev, 0); |
ac751efa | 1497 | console_unlock(); |
771fe6b9 | 1498 | |
3fa47d9e AD |
1499 | /* init dig PHYs, disp eng pll */ |
1500 | if (rdev->is_atom_bios) { | |
ac89af1e | 1501 | radeon_atom_encoder_init(rdev); |
f3f1f03e | 1502 | radeon_atom_disp_eng_pll_init(rdev); |
bced76f2 AD |
1503 | /* turn on the BL */ |
1504 | if (rdev->mode_info.bl_encoder) { | |
1505 | u8 bl_level = radeon_get_backlight_level(rdev, | |
1506 | rdev->mode_info.bl_encoder); | |
1507 | radeon_set_backlight_level(rdev, rdev->mode_info.bl_encoder, | |
1508 | bl_level); | |
1509 | } | |
3fa47d9e | 1510 | } |
d4877cf2 AD |
1511 | /* reset hpd state */ |
1512 | radeon_hpd_init(rdev); | |
771fe6b9 JG |
1513 | /* blat the mode back in */ |
1514 | drm_helper_resume_force_mode(dev); | |
a93f344d AD |
1515 | /* turn on display hw */ |
1516 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1517 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); | |
1518 | } | |
86698c20 SF |
1519 | |
1520 | drm_kms_helper_poll_enable(dev); | |
771fe6b9 JG |
1521 | return 0; |
1522 | } | |
1523 | ||
0c195119 AD |
1524 | /** |
1525 | * radeon_gpu_reset - reset the asic | |
1526 | * | |
1527 | * @rdev: radeon device pointer | |
1528 | * | |
1529 | * Attempt the reset the GPU if it has hung (all asics). | |
1530 | * Returns 0 for success or an error on failure. | |
1531 | */ | |
90aca4d2 JG |
1532 | int radeon_gpu_reset(struct radeon_device *rdev) |
1533 | { | |
55d7c221 CK |
1534 | unsigned ring_sizes[RADEON_NUM_RINGS]; |
1535 | uint32_t *ring_data[RADEON_NUM_RINGS]; | |
1536 | ||
1537 | bool saved = false; | |
1538 | ||
1539 | int i, r; | |
8fd1b84c | 1540 | int resched; |
90aca4d2 | 1541 | |
dee53e7f | 1542 | down_write(&rdev->exclusive_lock); |
90aca4d2 | 1543 | radeon_save_bios_scratch_regs(rdev); |
8fd1b84c DA |
1544 | /* block TTM */ |
1545 | resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); | |
95f59509 | 1546 | radeon_pm_suspend(rdev); |
90aca4d2 JG |
1547 | radeon_suspend(rdev); |
1548 | ||
55d7c221 CK |
1549 | for (i = 0; i < RADEON_NUM_RINGS; ++i) { |
1550 | ring_sizes[i] = radeon_ring_backup(rdev, &rdev->ring[i], | |
1551 | &ring_data[i]); | |
1552 | if (ring_sizes[i]) { | |
1553 | saved = true; | |
1554 | dev_info(rdev->dev, "Saved %d dwords of commands " | |
1555 | "on ring %d.\n", ring_sizes[i], i); | |
1556 | } | |
1557 | } | |
1558 | ||
1559 | retry: | |
90aca4d2 JG |
1560 | r = radeon_asic_reset(rdev); |
1561 | if (!r) { | |
55d7c221 | 1562 | dev_info(rdev->dev, "GPU reset succeeded, trying to resume\n"); |
90aca4d2 | 1563 | radeon_resume(rdev); |
55d7c221 | 1564 | } |
04eb2206 | 1565 | |
55d7c221 | 1566 | radeon_restore_bios_scratch_regs(rdev); |
04eb2206 | 1567 | |
55d7c221 CK |
1568 | if (!r) { |
1569 | for (i = 0; i < RADEON_NUM_RINGS; ++i) { | |
1570 | radeon_ring_restore(rdev, &rdev->ring[i], | |
1571 | ring_sizes[i], ring_data[i]); | |
f54b350d CK |
1572 | ring_sizes[i] = 0; |
1573 | ring_data[i] = NULL; | |
55d7c221 CK |
1574 | } |
1575 | ||
1576 | r = radeon_ib_ring_tests(rdev); | |
1577 | if (r) { | |
1578 | dev_err(rdev->dev, "ib ring test failed (%d).\n", r); | |
1579 | if (saved) { | |
f54b350d | 1580 | saved = false; |
55d7c221 CK |
1581 | radeon_suspend(rdev); |
1582 | goto retry; | |
1583 | } | |
1584 | } | |
1585 | } else { | |
76903b96 | 1586 | radeon_fence_driver_force_completion(rdev); |
55d7c221 CK |
1587 | for (i = 0; i < RADEON_NUM_RINGS; ++i) { |
1588 | kfree(ring_data[i]); | |
1589 | } | |
90aca4d2 | 1590 | } |
7a1619b9 | 1591 | |
95f59509 | 1592 | radeon_pm_resume(rdev); |
d3493574 JG |
1593 | drm_helper_resume_force_mode(rdev->ddev); |
1594 | ||
55d7c221 | 1595 | ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); |
7a1619b9 MD |
1596 | if (r) { |
1597 | /* bad news, how to tell it to userspace ? */ | |
1598 | dev_info(rdev->dev, "GPU reset failed\n"); | |
1599 | } | |
1600 | ||
dee53e7f | 1601 | up_write(&rdev->exclusive_lock); |
90aca4d2 JG |
1602 | return r; |
1603 | } | |
1604 | ||
771fe6b9 JG |
1605 | |
1606 | /* | |
1607 | * Debugfs | |
1608 | */ | |
771fe6b9 JG |
1609 | int radeon_debugfs_add_files(struct radeon_device *rdev, |
1610 | struct drm_info_list *files, | |
1611 | unsigned nfiles) | |
1612 | { | |
1613 | unsigned i; | |
1614 | ||
4d8bf9ae CK |
1615 | for (i = 0; i < rdev->debugfs_count; i++) { |
1616 | if (rdev->debugfs[i].files == files) { | |
771fe6b9 JG |
1617 | /* Already registered */ |
1618 | return 0; | |
1619 | } | |
1620 | } | |
c245cb9e | 1621 | |
4d8bf9ae | 1622 | i = rdev->debugfs_count + 1; |
c245cb9e MW |
1623 | if (i > RADEON_DEBUGFS_MAX_COMPONENTS) { |
1624 | DRM_ERROR("Reached maximum number of debugfs components.\n"); | |
1625 | DRM_ERROR("Report so we increase " | |
1626 | "RADEON_DEBUGFS_MAX_COMPONENTS.\n"); | |
771fe6b9 JG |
1627 | return -EINVAL; |
1628 | } | |
4d8bf9ae CK |
1629 | rdev->debugfs[rdev->debugfs_count].files = files; |
1630 | rdev->debugfs[rdev->debugfs_count].num_files = nfiles; | |
1631 | rdev->debugfs_count = i; | |
771fe6b9 JG |
1632 | #if defined(CONFIG_DEBUG_FS) |
1633 | drm_debugfs_create_files(files, nfiles, | |
1634 | rdev->ddev->control->debugfs_root, | |
1635 | rdev->ddev->control); | |
1636 | drm_debugfs_create_files(files, nfiles, | |
1637 | rdev->ddev->primary->debugfs_root, | |
1638 | rdev->ddev->primary); | |
1639 | #endif | |
1640 | return 0; | |
1641 | } | |
1642 | ||
4d8bf9ae CK |
1643 | static void radeon_debugfs_remove_files(struct radeon_device *rdev) |
1644 | { | |
1645 | #if defined(CONFIG_DEBUG_FS) | |
1646 | unsigned i; | |
1647 | ||
1648 | for (i = 0; i < rdev->debugfs_count; i++) { | |
1649 | drm_debugfs_remove_files(rdev->debugfs[i].files, | |
1650 | rdev->debugfs[i].num_files, | |
1651 | rdev->ddev->control); | |
1652 | drm_debugfs_remove_files(rdev->debugfs[i].files, | |
1653 | rdev->debugfs[i].num_files, | |
1654 | rdev->ddev->primary); | |
1655 | } | |
1656 | #endif | |
1657 | } | |
1658 | ||
771fe6b9 JG |
1659 | #if defined(CONFIG_DEBUG_FS) |
1660 | int radeon_debugfs_init(struct drm_minor *minor) | |
1661 | { | |
1662 | return 0; | |
1663 | } | |
1664 | ||
1665 | void radeon_debugfs_cleanup(struct drm_minor *minor) | |
1666 | { | |
771fe6b9 JG |
1667 | } |
1668 | #endif |