1 | /* $NetBSD: nouveau_display.c,v 1.2 2014/08/06 15:01:33 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (C) 2008 Maarten Maathuis. |
5 | * All Rights Reserved. |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining |
8 | * a copy of this software and associated documentation files (the |
9 | * "Software"), to deal in the Software without restriction, including |
10 | * without limitation the rights to use, copy, modify, merge, publish, |
11 | * distribute, sublicense, and/or sell copies of the Software, and to |
12 | * permit persons to whom the Software is furnished to do so, subject to |
13 | * the following conditions: |
14 | * |
15 | * The above copyright notice and this permission notice (including the |
16 | * next paragraph) shall be included in all copies or substantial |
17 | * portions of the Software. |
18 | * |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
22 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
23 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
24 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
25 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
26 | * |
27 | */ |
28 | |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: nouveau_display.c,v 1.2 2014/08/06 15:01:33 riastradh Exp $" ); |
31 | |
32 | #include <linux/err.h> |
33 | |
34 | #include <drm/drmP.h> |
35 | #include <drm/drm_crtc_helper.h> |
36 | |
37 | #include "nouveau_fbcon.h" |
38 | #include "dispnv04/hw.h" |
39 | #include "nouveau_crtc.h" |
40 | #include "nouveau_dma.h" |
41 | #include "nouveau_gem.h" |
42 | #include "nouveau_connector.h" |
43 | #include "nv50_display.h" |
44 | |
45 | #include "nouveau_fence.h" |
46 | |
47 | #include <engine/disp.h> |
48 | |
49 | #include <core/class.h> |
50 | |
51 | static int |
52 | nouveau_display_vblank_handler(void *data, int head) |
53 | { |
54 | struct nouveau_drm *drm = data; |
55 | drm_handle_vblank(drm->dev, head); |
56 | return NVKM_EVENT_KEEP; |
57 | } |
58 | |
59 | int |
60 | nouveau_display_vblank_enable(struct drm_device *dev, int head) |
61 | { |
62 | struct nouveau_display *disp = nouveau_display(dev); |
63 | if (disp) { |
64 | nouveau_event_get(disp->vblank[head]); |
65 | return 0; |
66 | } |
67 | return -EIO; |
68 | } |
69 | |
70 | void |
71 | nouveau_display_vblank_disable(struct drm_device *dev, int head) |
72 | { |
73 | struct nouveau_display *disp = nouveau_display(dev); |
74 | if (disp) |
75 | nouveau_event_put(disp->vblank[head]); |
76 | } |
77 | |
78 | static inline int |
79 | calc(int blanks, int blanke, int total, int line) |
80 | { |
81 | if (blanke >= blanks) { |
82 | if (line >= blanks) |
83 | line -= total; |
84 | } else { |
85 | if (line >= blanks) |
86 | line -= total; |
87 | line -= blanke + 1; |
88 | } |
89 | return line; |
90 | } |
91 | |
92 | static int |
93 | nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, |
94 | ktime_t *stime, ktime_t *etime) |
95 | { |
96 | const u32 mthd = NV04_DISP_SCANOUTPOS + nouveau_crtc(crtc)->index; |
97 | struct nouveau_display *disp = nouveau_display(crtc->dev); |
98 | struct nv04_display_scanoutpos args; |
99 | int ret, retry = 1; |
100 | |
101 | do { |
102 | ret = nv_exec(disp->core, mthd, &args, sizeof(args)); |
103 | if (ret != 0) |
104 | return 0; |
105 | |
106 | if (args.vline) { |
107 | ret |= DRM_SCANOUTPOS_ACCURATE; |
108 | ret |= DRM_SCANOUTPOS_VALID; |
109 | break; |
110 | } |
111 | |
112 | if (retry) ndelay(crtc->linedur_ns); |
113 | } while (retry--); |
114 | |
115 | *hpos = args.hline; |
116 | *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline); |
117 | if (stime) *stime = ns_to_ktime(args.time[0]); |
118 | if (etime) *etime = ns_to_ktime(args.time[1]); |
119 | |
120 | if (*vpos < 0) |
121 | ret |= DRM_SCANOUTPOS_INVBL; |
122 | return ret; |
123 | } |
124 | |
125 | int |
126 | nouveau_display_scanoutpos(struct drm_device *dev, int head, unsigned int flags, |
127 | int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) |
128 | { |
129 | struct drm_crtc *crtc; |
130 | |
131 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
132 | if (nouveau_crtc(crtc)->index == head) { |
133 | return nouveau_display_scanoutpos_head(crtc, vpos, hpos, |
134 | stime, etime); |
135 | } |
136 | } |
137 | |
138 | return 0; |
139 | } |
140 | |
141 | int |
142 | nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error, |
143 | struct timeval *time, unsigned flags) |
144 | { |
145 | struct drm_crtc *crtc; |
146 | |
147 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
148 | if (nouveau_crtc(crtc)->index == head) { |
149 | return drm_calc_vbltimestamp_from_scanoutpos(dev, |
150 | head, max_error, time, flags, crtc, |
151 | &crtc->hwmode); |
152 | } |
153 | } |
154 | |
155 | return -EINVAL; |
156 | } |
157 | |
158 | static void |
159 | nouveau_display_vblank_fini(struct drm_device *dev) |
160 | { |
161 | struct nouveau_display *disp = nouveau_display(dev); |
162 | int i; |
163 | |
164 | drm_vblank_cleanup(dev); |
165 | |
166 | if (disp->vblank) { |
167 | for (i = 0; i < dev->mode_config.num_crtc; i++) |
168 | nouveau_event_ref(NULL, &disp->vblank[i]); |
169 | kfree(disp->vblank); |
170 | disp->vblank = NULL; |
171 | } |
172 | } |
173 | |
174 | static int |
175 | nouveau_display_vblank_init(struct drm_device *dev) |
176 | { |
177 | struct nouveau_display *disp = nouveau_display(dev); |
178 | struct nouveau_drm *drm = nouveau_drm(dev); |
179 | struct nouveau_disp *pdisp = nouveau_disp(drm->device); |
180 | int ret, i; |
181 | |
182 | disp->vblank = kzalloc(dev->mode_config.num_crtc * |
183 | sizeof(*disp->vblank), GFP_KERNEL); |
184 | if (!disp->vblank) |
185 | return -ENOMEM; |
186 | |
187 | for (i = 0; i < dev->mode_config.num_crtc; i++) { |
188 | ret = nouveau_event_new(pdisp->vblank, i, |
189 | nouveau_display_vblank_handler, |
190 | drm, &disp->vblank[i]); |
191 | if (ret) { |
192 | nouveau_display_vblank_fini(dev); |
193 | return ret; |
194 | } |
195 | } |
196 | |
197 | ret = drm_vblank_init(dev, dev->mode_config.num_crtc); |
198 | if (ret) { |
199 | nouveau_display_vblank_fini(dev); |
200 | return ret; |
201 | } |
202 | |
203 | return 0; |
204 | } |
205 | |
206 | static void |
207 | nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) |
208 | { |
209 | struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); |
210 | |
211 | if (fb->nvbo) |
212 | drm_gem_object_unreference_unlocked(&fb->nvbo->gem); |
213 | |
214 | drm_framebuffer_cleanup(drm_fb); |
215 | kfree(fb); |
216 | } |
217 | |
218 | static int |
219 | nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, |
220 | struct drm_file *file_priv, |
221 | unsigned int *handle) |
222 | { |
223 | struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); |
224 | |
225 | return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); |
226 | } |
227 | |
228 | static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { |
229 | .destroy = nouveau_user_framebuffer_destroy, |
230 | .create_handle = nouveau_user_framebuffer_create_handle, |
231 | }; |
232 | |
233 | int |
234 | nouveau_framebuffer_init(struct drm_device *dev, |
235 | struct nouveau_framebuffer *nv_fb, |
236 | struct drm_mode_fb_cmd2 *mode_cmd, |
237 | struct nouveau_bo *nvbo) |
238 | { |
239 | struct nouveau_drm *drm = nouveau_drm(dev); |
240 | struct drm_framebuffer *fb = &nv_fb->base; |
241 | int ret; |
242 | |
243 | drm_helper_mode_fill_fb_struct(fb, mode_cmd); |
244 | nv_fb->nvbo = nvbo; |
245 | |
246 | if (nv_device(drm->device)->card_type >= NV_50) { |
247 | u32 tile_flags = nouveau_bo_tile_layout(nvbo); |
248 | if (tile_flags == 0x7a00 || |
249 | tile_flags == 0xfe00) |
250 | nv_fb->r_dma = NvEvoFB32; |
251 | else |
252 | if (tile_flags == 0x7000) |
253 | nv_fb->r_dma = NvEvoFB16; |
254 | else |
255 | nv_fb->r_dma = NvEvoVRAM_LP; |
256 | |
257 | switch (fb->depth) { |
258 | case 8: nv_fb->r_format = 0x1e00; break; |
259 | case 15: nv_fb->r_format = 0xe900; break; |
260 | case 16: nv_fb->r_format = 0xe800; break; |
261 | case 24: |
262 | case 32: nv_fb->r_format = 0xcf00; break; |
263 | case 30: nv_fb->r_format = 0xd100; break; |
264 | default: |
265 | NV_ERROR(drm, "unknown depth %d\n" , fb->depth); |
266 | return -EINVAL; |
267 | } |
268 | |
269 | if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) { |
270 | NV_ERROR(drm, "framebuffer requires contiguous bo\n" ); |
271 | return -EINVAL; |
272 | } |
273 | |
274 | if (nv_device(drm->device)->chipset == 0x50) |
275 | nv_fb->r_format |= (tile_flags << 8); |
276 | |
277 | if (!tile_flags) { |
278 | if (nv_device(drm->device)->card_type < NV_D0) |
279 | nv_fb->r_pitch = 0x00100000 | fb->pitches[0]; |
280 | else |
281 | nv_fb->r_pitch = 0x01000000 | fb->pitches[0]; |
282 | } else { |
283 | u32 mode = nvbo->tile_mode; |
284 | if (nv_device(drm->device)->card_type >= NV_C0) |
285 | mode >>= 4; |
286 | nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode; |
287 | } |
288 | } |
289 | |
290 | ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); |
291 | if (ret) { |
292 | return ret; |
293 | } |
294 | |
295 | return 0; |
296 | } |
297 | |
298 | static struct drm_framebuffer * |
299 | nouveau_user_framebuffer_create(struct drm_device *dev, |
300 | struct drm_file *file_priv, |
301 | struct drm_mode_fb_cmd2 *mode_cmd) |
302 | { |
303 | struct nouveau_framebuffer *nouveau_fb; |
304 | struct drm_gem_object *gem; |
305 | int ret = -ENOMEM; |
306 | |
307 | gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); |
308 | if (!gem) |
309 | return ERR_PTR(-ENOENT); |
310 | |
311 | nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); |
312 | if (!nouveau_fb) |
313 | goto err_unref; |
314 | |
315 | ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); |
316 | if (ret) |
317 | goto err; |
318 | |
319 | return &nouveau_fb->base; |
320 | |
321 | err: |
322 | kfree(nouveau_fb); |
323 | err_unref: |
324 | drm_gem_object_unreference(gem); |
325 | return ERR_PTR(ret); |
326 | } |
327 | |
328 | static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { |
329 | .fb_create = nouveau_user_framebuffer_create, |
330 | .output_poll_changed = nouveau_fbcon_output_poll_changed, |
331 | }; |
332 | |
333 | |
334 | struct nouveau_drm_prop_enum_list { |
335 | u8 gen_mask; |
336 | int type; |
337 | const char *name; |
338 | }; |
339 | |
340 | static struct nouveau_drm_prop_enum_list underscan[] = { |
341 | { 6, UNDERSCAN_AUTO, "auto" }, |
342 | { 6, UNDERSCAN_OFF, "off" }, |
343 | { 6, UNDERSCAN_ON, "on" }, |
344 | {} |
345 | }; |
346 | |
347 | static struct nouveau_drm_prop_enum_list dither_mode[] = { |
348 | { 7, DITHERING_MODE_AUTO, "auto" }, |
349 | { 7, DITHERING_MODE_OFF, "off" }, |
350 | { 1, DITHERING_MODE_ON, "on" }, |
351 | { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, |
352 | { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, |
353 | { 4, DITHERING_MODE_TEMPORAL, "temporal" }, |
354 | {} |
355 | }; |
356 | |
357 | static struct nouveau_drm_prop_enum_list dither_depth[] = { |
358 | { 6, DITHERING_DEPTH_AUTO, "auto" }, |
359 | { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, |
360 | { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, |
361 | {} |
362 | }; |
363 | |
364 | #define PROP_ENUM(p,gen,n,list) do { \ |
365 | struct nouveau_drm_prop_enum_list *l = (list); \ |
366 | int c = 0; \ |
367 | while (l->gen_mask) { \ |
368 | if (l->gen_mask & (1 << (gen))) \ |
369 | c++; \ |
370 | l++; \ |
371 | } \ |
372 | if (c) { \ |
373 | p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ |
374 | l = (list); \ |
375 | c = 0; \ |
376 | while (p && l->gen_mask) { \ |
377 | if (l->gen_mask & (1 << (gen))) { \ |
378 | drm_property_add_enum(p, c, l->type, l->name); \ |
379 | c++; \ |
380 | } \ |
381 | l++; \ |
382 | } \ |
383 | } \ |
384 | } while(0) |
385 | |
386 | int |
387 | nouveau_display_init(struct drm_device *dev) |
388 | { |
389 | struct nouveau_display *disp = nouveau_display(dev); |
390 | struct drm_connector *connector; |
391 | int ret; |
392 | |
393 | ret = disp->init(dev); |
394 | if (ret) |
395 | return ret; |
396 | |
397 | /* enable polling for external displays */ |
398 | drm_kms_helper_poll_enable(dev); |
399 | |
400 | /* enable hotplug interrupts */ |
401 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
402 | struct nouveau_connector *conn = nouveau_connector(connector); |
403 | if (conn->hpd_func) nouveau_event_get(conn->hpd_func); |
404 | } |
405 | |
406 | return ret; |
407 | } |
408 | |
409 | void |
410 | nouveau_display_fini(struct drm_device *dev) |
411 | { |
412 | struct nouveau_display *disp = nouveau_display(dev); |
413 | struct drm_connector *connector; |
414 | |
415 | /* disable hotplug interrupts */ |
416 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
417 | struct nouveau_connector *conn = nouveau_connector(connector); |
418 | if (conn->hpd_func) nouveau_event_put(conn->hpd_func); |
419 | } |
420 | |
421 | drm_kms_helper_poll_disable(dev); |
422 | disp->fini(dev); |
423 | } |
424 | |
425 | int |
426 | nouveau_display_create(struct drm_device *dev) |
427 | { |
428 | struct nouveau_drm *drm = nouveau_drm(dev); |
429 | struct nouveau_device *device = nouveau_dev(dev); |
430 | struct nouveau_display *disp; |
431 | int ret, gen; |
432 | |
433 | disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); |
434 | if (!disp) |
435 | return -ENOMEM; |
436 | |
437 | drm_mode_config_init(dev); |
438 | drm_mode_create_scaling_mode_property(dev); |
439 | drm_mode_create_dvi_i_properties(dev); |
440 | |
441 | if (nv_device(drm->device)->card_type < NV_50) |
442 | gen = 0; |
443 | else |
444 | if (nv_device(drm->device)->card_type < NV_D0) |
445 | gen = 1; |
446 | else |
447 | gen = 2; |
448 | |
449 | PROP_ENUM(disp->dithering_mode, gen, "dithering mode" , dither_mode); |
450 | PROP_ENUM(disp->dithering_depth, gen, "dithering depth" , dither_depth); |
451 | PROP_ENUM(disp->underscan_property, gen, "underscan" , underscan); |
452 | |
453 | disp->underscan_hborder_property = |
454 | drm_property_create_range(dev, 0, "underscan hborder" , 0, 128); |
455 | |
456 | disp->underscan_vborder_property = |
457 | drm_property_create_range(dev, 0, "underscan vborder" , 0, 128); |
458 | |
459 | if (gen >= 1) { |
460 | /* -90..+90 */ |
461 | disp->vibrant_hue_property = |
462 | drm_property_create_range(dev, 0, "vibrant hue" , 0, 180); |
463 | |
464 | /* -100..+100 */ |
465 | disp->color_vibrance_property = |
466 | drm_property_create_range(dev, 0, "color vibrance" , 0, 200); |
467 | } |
468 | |
469 | dev->mode_config.funcs = &nouveau_mode_config_funcs; |
470 | dev->mode_config.fb_base = nv_device_resource_start(device, 1); |
471 | |
472 | dev->mode_config.min_width = 0; |
473 | dev->mode_config.min_height = 0; |
474 | if (nv_device(drm->device)->card_type < NV_10) { |
475 | dev->mode_config.max_width = 2048; |
476 | dev->mode_config.max_height = 2048; |
477 | } else |
478 | if (nv_device(drm->device)->card_type < NV_50) { |
479 | dev->mode_config.max_width = 4096; |
480 | dev->mode_config.max_height = 4096; |
481 | } else { |
482 | dev->mode_config.max_width = 8192; |
483 | dev->mode_config.max_height = 8192; |
484 | } |
485 | |
486 | dev->mode_config.preferred_depth = 24; |
487 | dev->mode_config.prefer_shadow = 1; |
488 | |
489 | if (nv_device(drm->device)->chipset < 0x11) |
490 | dev->mode_config.async_page_flip = false; |
491 | else |
492 | dev->mode_config.async_page_flip = true; |
493 | |
494 | drm_kms_helper_poll_init(dev); |
495 | drm_kms_helper_poll_disable(dev); |
496 | |
497 | if (drm->vbios.dcb.entries) { |
498 | static const u16 oclass[] = { |
499 | GM107_DISP_CLASS, |
500 | NVF0_DISP_CLASS, |
501 | NVE0_DISP_CLASS, |
502 | NVD0_DISP_CLASS, |
503 | NVA3_DISP_CLASS, |
504 | NV94_DISP_CLASS, |
505 | NVA0_DISP_CLASS, |
506 | NV84_DISP_CLASS, |
507 | NV50_DISP_CLASS, |
508 | NV04_DISP_CLASS, |
509 | }; |
510 | int i; |
511 | |
512 | for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { |
513 | ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, |
514 | NVDRM_DISPLAY, oclass[i], |
515 | NULL, 0, &disp->core); |
516 | } |
517 | |
518 | if (ret == 0) { |
519 | if (nv_mclass(disp->core) < NV50_DISP_CLASS) |
520 | ret = nv04_display_create(dev); |
521 | else |
522 | ret = nv50_display_create(dev); |
523 | } |
524 | } else { |
525 | ret = 0; |
526 | } |
527 | |
528 | if (ret) |
529 | goto disp_create_err; |
530 | |
531 | if (dev->mode_config.num_crtc) { |
532 | ret = nouveau_display_vblank_init(dev); |
533 | if (ret) |
534 | goto vblank_err; |
535 | } |
536 | |
537 | nouveau_backlight_init(dev); |
538 | return 0; |
539 | |
540 | vblank_err: |
541 | disp->dtor(dev); |
542 | disp_create_err: |
543 | drm_kms_helper_poll_fini(dev); |
544 | drm_mode_config_cleanup(dev); |
545 | return ret; |
546 | } |
547 | |
548 | void |
549 | nouveau_display_destroy(struct drm_device *dev) |
550 | { |
551 | struct nouveau_display *disp = nouveau_display(dev); |
552 | struct nouveau_drm *drm = nouveau_drm(dev); |
553 | |
554 | nouveau_backlight_exit(dev); |
555 | nouveau_display_vblank_fini(dev); |
556 | |
557 | drm_kms_helper_poll_fini(dev); |
558 | drm_mode_config_cleanup(dev); |
559 | |
560 | if (disp->dtor) |
561 | disp->dtor(dev); |
562 | |
563 | nouveau_object_del(nv_object(drm), NVDRM_DEVICE, NVDRM_DISPLAY); |
564 | |
565 | nouveau_drm(dev)->display = NULL; |
566 | kfree(disp); |
567 | } |
568 | |
569 | int |
570 | nouveau_display_suspend(struct drm_device *dev) |
571 | { |
572 | struct nouveau_drm *drm = nouveau_drm(dev); |
573 | struct drm_crtc *crtc; |
574 | |
575 | nouveau_display_fini(dev); |
576 | |
577 | NV_INFO(drm, "unpinning framebuffer(s)...\n" ); |
578 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
579 | struct nouveau_framebuffer *nouveau_fb; |
580 | |
581 | nouveau_fb = nouveau_framebuffer(crtc->primary->fb); |
582 | if (!nouveau_fb || !nouveau_fb->nvbo) |
583 | continue; |
584 | |
585 | nouveau_bo_unpin(nouveau_fb->nvbo); |
586 | } |
587 | |
588 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
589 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
590 | |
591 | nouveau_bo_unmap(nv_crtc->cursor.nvbo); |
592 | nouveau_bo_unpin(nv_crtc->cursor.nvbo); |
593 | } |
594 | |
595 | return 0; |
596 | } |
597 | |
598 | void |
599 | nouveau_display_repin(struct drm_device *dev) |
600 | { |
601 | struct nouveau_drm *drm = nouveau_drm(dev); |
602 | struct drm_crtc *crtc; |
603 | int ret; |
604 | |
605 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
606 | struct nouveau_framebuffer *nouveau_fb; |
607 | |
608 | nouveau_fb = nouveau_framebuffer(crtc->primary->fb); |
609 | if (!nouveau_fb || !nouveau_fb->nvbo) |
610 | continue; |
611 | |
612 | nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); |
613 | } |
614 | |
615 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
616 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
617 | |
618 | ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); |
619 | if (!ret) |
620 | ret = nouveau_bo_map(nv_crtc->cursor.nvbo); |
621 | if (ret) |
622 | NV_ERROR(drm, "Could not pin/map cursor.\n" ); |
623 | } |
624 | } |
625 | |
626 | void |
627 | nouveau_display_resume(struct drm_device *dev) |
628 | { |
629 | struct drm_crtc *crtc; |
630 | nouveau_display_init(dev); |
631 | |
632 | /* Force CLUT to get re-loaded during modeset */ |
633 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
634 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
635 | |
636 | nv_crtc->lut.depth = 0; |
637 | } |
638 | |
639 | drm_helper_resume_force_mode(dev); |
640 | |
641 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
642 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
643 | u32 offset = nv_crtc->cursor.nvbo->bo.offset; |
644 | |
645 | nv_crtc->cursor.set_offset(nv_crtc, offset); |
646 | nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, |
647 | nv_crtc->cursor_saved_y); |
648 | } |
649 | } |
650 | |
651 | static int |
652 | nouveau_page_flip_emit(struct nouveau_channel *chan, |
653 | struct nouveau_bo *old_bo, |
654 | struct nouveau_bo *new_bo, |
655 | struct nouveau_page_flip_state *s, |
656 | struct nouveau_fence **pfence) |
657 | { |
658 | struct nouveau_fence_chan *fctx = chan->fence; |
659 | struct nouveau_drm *drm = chan->drm; |
660 | struct drm_device *dev = drm->dev; |
661 | unsigned long flags; |
662 | int ret; |
663 | |
664 | /* Queue it to the pending list */ |
665 | spin_lock_irqsave(&dev->event_lock, flags); |
666 | list_add_tail(&s->head, &fctx->flip); |
667 | spin_unlock_irqrestore(&dev->event_lock, flags); |
668 | |
669 | /* Synchronize with the old framebuffer */ |
670 | ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); |
671 | if (ret) |
672 | goto fail; |
673 | |
674 | /* Emit the pageflip */ |
675 | ret = RING_SPACE(chan, 2); |
676 | if (ret) |
677 | goto fail; |
678 | |
679 | if (nv_device(drm->device)->card_type < NV_C0) |
680 | BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); |
681 | else |
682 | BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1); |
683 | OUT_RING (chan, 0x00000000); |
684 | FIRE_RING (chan); |
685 | |
686 | ret = nouveau_fence_new(chan, false, pfence); |
687 | if (ret) |
688 | goto fail; |
689 | |
690 | return 0; |
691 | fail: |
692 | spin_lock_irqsave(&dev->event_lock, flags); |
693 | list_del(&s->head); |
694 | spin_unlock_irqrestore(&dev->event_lock, flags); |
695 | return ret; |
696 | } |
697 | |
698 | int |
699 | nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, |
700 | struct drm_pending_vblank_event *event, u32 flags) |
701 | { |
702 | const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; |
703 | struct drm_device *dev = crtc->dev; |
704 | struct nouveau_drm *drm = nouveau_drm(dev); |
705 | struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; |
706 | struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; |
707 | struct nouveau_page_flip_state *s; |
708 | struct nouveau_channel *chan = drm->channel; |
709 | struct nouveau_fence *fence; |
710 | int ret; |
711 | |
712 | if (!drm->channel) |
713 | return -ENODEV; |
714 | |
715 | s = kzalloc(sizeof(*s), GFP_KERNEL); |
716 | if (!s) |
717 | return -ENOMEM; |
718 | |
719 | if (new_bo != old_bo) { |
720 | ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); |
721 | if (ret) |
722 | goto fail_free; |
723 | } |
724 | |
725 | mutex_lock(&chan->cli->mutex); |
726 | |
727 | /* synchronise rendering channel with the kernel's channel */ |
728 | spin_lock(&new_bo->bo.bdev->fence_lock); |
729 | fence = nouveau_fence_ref(new_bo->bo.sync_obj); |
730 | spin_unlock(&new_bo->bo.bdev->fence_lock); |
731 | ret = nouveau_fence_sync(fence, chan); |
732 | nouveau_fence_unref(&fence); |
733 | if (ret) |
734 | goto fail_unpin; |
735 | |
736 | ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); |
737 | if (ret) |
738 | goto fail_unpin; |
739 | |
740 | /* Initialize a page flip struct */ |
741 | *s = (struct nouveau_page_flip_state) |
742 | { { }, event, nouveau_crtc(crtc)->index, |
743 | fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, |
744 | new_bo->bo.offset }; |
745 | |
746 | /* Emit a page flip */ |
747 | if (nv_device(drm->device)->card_type >= NV_50) { |
748 | ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); |
749 | if (ret) |
750 | goto fail_unreserve; |
751 | } else { |
752 | struct nv04_display *dispnv04 = nv04_display(dev); |
753 | int head = nouveau_crtc(crtc)->index; |
754 | |
755 | if (swap_interval) { |
756 | ret = RING_SPACE(chan, 8); |
757 | if (ret) |
758 | goto fail_unreserve; |
759 | |
760 | BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); |
761 | OUT_RING (chan, 0); |
762 | BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); |
763 | OUT_RING (chan, head); |
764 | BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); |
765 | OUT_RING (chan, 0); |
766 | BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); |
767 | OUT_RING (chan, 0); |
768 | } |
769 | |
770 | nouveau_bo_ref(new_bo, &dispnv04->image[head]); |
771 | } |
772 | |
773 | ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); |
774 | if (ret) |
775 | goto fail_unreserve; |
776 | mutex_unlock(&chan->cli->mutex); |
777 | |
778 | /* Update the crtc struct and cleanup */ |
779 | crtc->primary->fb = fb; |
780 | |
781 | nouveau_bo_fence(old_bo, fence); |
782 | ttm_bo_unreserve(&old_bo->bo); |
783 | if (old_bo != new_bo) |
784 | nouveau_bo_unpin(old_bo); |
785 | nouveau_fence_unref(&fence); |
786 | return 0; |
787 | |
788 | fail_unreserve: |
789 | ttm_bo_unreserve(&old_bo->bo); |
790 | fail_unpin: |
791 | mutex_unlock(&chan->cli->mutex); |
792 | if (old_bo != new_bo) |
793 | nouveau_bo_unpin(new_bo); |
794 | fail_free: |
795 | kfree(s); |
796 | return ret; |
797 | } |
798 | |
799 | int |
800 | nouveau_finish_page_flip(struct nouveau_channel *chan, |
801 | struct nouveau_page_flip_state *ps) |
802 | { |
803 | struct nouveau_fence_chan *fctx = chan->fence; |
804 | struct nouveau_drm *drm = chan->drm; |
805 | struct drm_device *dev = drm->dev; |
806 | struct nouveau_page_flip_state *s; |
807 | unsigned long flags; |
808 | |
809 | spin_lock_irqsave(&dev->event_lock, flags); |
810 | |
811 | if (list_empty(&fctx->flip)) { |
812 | NV_ERROR(drm, "unexpected pageflip\n" ); |
813 | spin_unlock_irqrestore(&dev->event_lock, flags); |
814 | return -EINVAL; |
815 | } |
816 | |
817 | s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); |
818 | if (s->event) |
819 | drm_send_vblank_event(dev, s->crtc, s->event); |
820 | |
821 | list_del(&s->head); |
822 | if (ps) |
823 | *ps = *s; |
824 | kfree(s); |
825 | |
826 | spin_unlock_irqrestore(&dev->event_lock, flags); |
827 | return 0; |
828 | } |
829 | |
830 | int |
831 | nouveau_flip_complete(void *data) |
832 | { |
833 | struct nouveau_channel *chan = data; |
834 | struct nouveau_drm *drm = chan->drm; |
835 | struct nouveau_page_flip_state state; |
836 | |
837 | if (!nouveau_finish_page_flip(chan, &state)) { |
838 | if (nv_device(drm->device)->card_type < NV_50) { |
839 | nv_set_crtc_base(drm->dev, state.crtc, state.offset + |
840 | state.y * state.pitch + |
841 | state.x * state.bpp / 8); |
842 | } |
843 | } |
844 | |
845 | return 0; |
846 | } |
847 | |
848 | int |
849 | nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, |
850 | struct drm_mode_create_dumb *args) |
851 | { |
852 | struct nouveau_bo *bo; |
853 | int ret; |
854 | |
855 | args->pitch = roundup(args->width * (args->bpp / 8), 256); |
856 | args->size = args->pitch * args->height; |
857 | args->size = roundup(args->size, PAGE_SIZE); |
858 | |
859 | ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); |
860 | if (ret) |
861 | return ret; |
862 | |
863 | ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); |
864 | drm_gem_object_unreference_unlocked(&bo->gem); |
865 | return ret; |
866 | } |
867 | |
868 | int |
869 | nouveau_display_dumb_map_offset(struct drm_file *file_priv, |
870 | struct drm_device *dev, |
871 | uint32_t handle, uint64_t *poffset) |
872 | { |
873 | struct drm_gem_object *gem; |
874 | |
875 | gem = drm_gem_object_lookup(dev, file_priv, handle); |
876 | if (gem) { |
877 | struct nouveau_bo *bo = nouveau_gem_object(gem); |
878 | *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); |
879 | drm_gem_object_unreference_unlocked(gem); |
880 | return 0; |
881 | } |
882 | |
883 | return -ENOENT; |
884 | } |
885 | |