diff options
Diffstat (limited to 'drivers/gpu/host1x/drm/drm.c')
-rw-r--r-- | drivers/gpu/host1x/drm/drm.c | 640 |
1 files changed, 640 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/drm/drm.c b/drivers/gpu/host1x/drm/drm.c new file mode 100644 index 000000000000..2b561c9118c6 --- /dev/null +++ b/drivers/gpu/host1x/drm/drm.c | |||
@@ -0,0 +1,640 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 Avionic Design GmbH | ||
3 | * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved. | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License version 2 as | ||
7 | * published by the Free Software Foundation. | ||
8 | */ | ||
9 | |||
10 | #include <linux/module.h> | ||
11 | #include <linux/of_address.h> | ||
12 | #include <linux/of_platform.h> | ||
13 | |||
14 | #include <linux/dma-mapping.h> | ||
15 | #include <asm/dma-iommu.h> | ||
16 | |||
17 | #include <drm/drm.h> | ||
18 | #include <drm/drmP.h> | ||
19 | |||
20 | #include "host1x_client.h" | ||
21 | #include "dev.h" | ||
22 | #include "drm.h" | ||
23 | #include "gem.h" | ||
24 | #include "syncpt.h" | ||
25 | |||
26 | #define DRIVER_NAME "tegra" | ||
27 | #define DRIVER_DESC "NVIDIA Tegra graphics" | ||
28 | #define DRIVER_DATE "20120330" | ||
29 | #define DRIVER_MAJOR 0 | ||
30 | #define DRIVER_MINOR 0 | ||
31 | #define DRIVER_PATCHLEVEL 0 | ||
32 | |||
33 | struct host1x_drm_client { | ||
34 | struct host1x_client *client; | ||
35 | struct device_node *np; | ||
36 | struct list_head list; | ||
37 | }; | ||
38 | |||
39 | static int host1x_add_drm_client(struct host1x_drm *host1x, | ||
40 | struct device_node *np) | ||
41 | { | ||
42 | struct host1x_drm_client *client; | ||
43 | |||
44 | client = kzalloc(sizeof(*client), GFP_KERNEL); | ||
45 | if (!client) | ||
46 | return -ENOMEM; | ||
47 | |||
48 | INIT_LIST_HEAD(&client->list); | ||
49 | client->np = of_node_get(np); | ||
50 | |||
51 | list_add_tail(&client->list, &host1x->drm_clients); | ||
52 | |||
53 | return 0; | ||
54 | } | ||
55 | |||
56 | static int host1x_activate_drm_client(struct host1x_drm *host1x, | ||
57 | struct host1x_drm_client *drm, | ||
58 | struct host1x_client *client) | ||
59 | { | ||
60 | mutex_lock(&host1x->drm_clients_lock); | ||
61 | list_del_init(&drm->list); | ||
62 | list_add_tail(&drm->list, &host1x->drm_active); | ||
63 | drm->client = client; | ||
64 | mutex_unlock(&host1x->drm_clients_lock); | ||
65 | |||
66 | return 0; | ||
67 | } | ||
68 | |||
69 | static int host1x_remove_drm_client(struct host1x_drm *host1x, | ||
70 | struct host1x_drm_client *client) | ||
71 | { | ||
72 | mutex_lock(&host1x->drm_clients_lock); | ||
73 | list_del_init(&client->list); | ||
74 | mutex_unlock(&host1x->drm_clients_lock); | ||
75 | |||
76 | of_node_put(client->np); | ||
77 | kfree(client); | ||
78 | |||
79 | return 0; | ||
80 | } | ||
81 | |||
82 | static int host1x_parse_dt(struct host1x_drm *host1x) | ||
83 | { | ||
84 | static const char * const compat[] = { | ||
85 | "nvidia,tegra20-dc", | ||
86 | "nvidia,tegra20-hdmi", | ||
87 | "nvidia,tegra20-gr2d", | ||
88 | "nvidia,tegra30-dc", | ||
89 | "nvidia,tegra30-hdmi", | ||
90 | "nvidia,tegra30-gr2d", | ||
91 | }; | ||
92 | unsigned int i; | ||
93 | int err; | ||
94 | |||
95 | for (i = 0; i < ARRAY_SIZE(compat); i++) { | ||
96 | struct device_node *np; | ||
97 | |||
98 | for_each_child_of_node(host1x->dev->of_node, np) { | ||
99 | if (of_device_is_compatible(np, compat[i]) && | ||
100 | of_device_is_available(np)) { | ||
101 | err = host1x_add_drm_client(host1x, np); | ||
102 | if (err < 0) | ||
103 | return err; | ||
104 | } | ||
105 | } | ||
106 | } | ||
107 | |||
108 | return 0; | ||
109 | } | ||
110 | |||
111 | int host1x_drm_alloc(struct platform_device *pdev) | ||
112 | { | ||
113 | struct host1x_drm *host1x; | ||
114 | int err; | ||
115 | |||
116 | host1x = devm_kzalloc(&pdev->dev, sizeof(*host1x), GFP_KERNEL); | ||
117 | if (!host1x) | ||
118 | return -ENOMEM; | ||
119 | |||
120 | mutex_init(&host1x->drm_clients_lock); | ||
121 | INIT_LIST_HEAD(&host1x->drm_clients); | ||
122 | INIT_LIST_HEAD(&host1x->drm_active); | ||
123 | mutex_init(&host1x->clients_lock); | ||
124 | INIT_LIST_HEAD(&host1x->clients); | ||
125 | host1x->dev = &pdev->dev; | ||
126 | |||
127 | err = host1x_parse_dt(host1x); | ||
128 | if (err < 0) { | ||
129 | dev_err(&pdev->dev, "failed to parse DT: %d\n", err); | ||
130 | return err; | ||
131 | } | ||
132 | |||
133 | host1x_set_drm_data(&pdev->dev, host1x); | ||
134 | |||
135 | return 0; | ||
136 | } | ||
137 | |||
138 | int host1x_drm_init(struct host1x_drm *host1x, struct drm_device *drm) | ||
139 | { | ||
140 | struct host1x_client *client; | ||
141 | |||
142 | mutex_lock(&host1x->clients_lock); | ||
143 | |||
144 | list_for_each_entry(client, &host1x->clients, list) { | ||
145 | if (client->ops && client->ops->drm_init) { | ||
146 | int err = client->ops->drm_init(client, drm); | ||
147 | if (err < 0) { | ||
148 | dev_err(host1x->dev, | ||
149 | "DRM setup failed for %s: %d\n", | ||
150 | dev_name(client->dev), err); | ||
151 | return err; | ||
152 | } | ||
153 | } | ||
154 | } | ||
155 | |||
156 | mutex_unlock(&host1x->clients_lock); | ||
157 | |||
158 | return 0; | ||
159 | } | ||
160 | |||
161 | int host1x_drm_exit(struct host1x_drm *host1x) | ||
162 | { | ||
163 | struct platform_device *pdev = to_platform_device(host1x->dev); | ||
164 | struct host1x_client *client; | ||
165 | |||
166 | if (!host1x->drm) | ||
167 | return 0; | ||
168 | |||
169 | mutex_lock(&host1x->clients_lock); | ||
170 | |||
171 | list_for_each_entry_reverse(client, &host1x->clients, list) { | ||
172 | if (client->ops && client->ops->drm_exit) { | ||
173 | int err = client->ops->drm_exit(client); | ||
174 | if (err < 0) { | ||
175 | dev_err(host1x->dev, | ||
176 | "DRM cleanup failed for %s: %d\n", | ||
177 | dev_name(client->dev), err); | ||
178 | return err; | ||
179 | } | ||
180 | } | ||
181 | } | ||
182 | |||
183 | mutex_unlock(&host1x->clients_lock); | ||
184 | |||
185 | drm_platform_exit(&tegra_drm_driver, pdev); | ||
186 | host1x->drm = NULL; | ||
187 | |||
188 | return 0; | ||
189 | } | ||
190 | |||
191 | int host1x_register_client(struct host1x_drm *host1x, | ||
192 | struct host1x_client *client) | ||
193 | { | ||
194 | struct host1x_drm_client *drm, *tmp; | ||
195 | int err; | ||
196 | |||
197 | mutex_lock(&host1x->clients_lock); | ||
198 | list_add_tail(&client->list, &host1x->clients); | ||
199 | mutex_unlock(&host1x->clients_lock); | ||
200 | |||
201 | list_for_each_entry_safe(drm, tmp, &host1x->drm_clients, list) | ||
202 | if (drm->np == client->dev->of_node) | ||
203 | host1x_activate_drm_client(host1x, drm, client); | ||
204 | |||
205 | if (list_empty(&host1x->drm_clients)) { | ||
206 | struct platform_device *pdev = to_platform_device(host1x->dev); | ||
207 | |||
208 | err = drm_platform_init(&tegra_drm_driver, pdev); | ||
209 | if (err < 0) { | ||
210 | dev_err(host1x->dev, "drm_platform_init(): %d\n", err); | ||
211 | return err; | ||
212 | } | ||
213 | } | ||
214 | |||
215 | return 0; | ||
216 | } | ||
217 | |||
218 | int host1x_unregister_client(struct host1x_drm *host1x, | ||
219 | struct host1x_client *client) | ||
220 | { | ||
221 | struct host1x_drm_client *drm, *tmp; | ||
222 | int err; | ||
223 | |||
224 | list_for_each_entry_safe(drm, tmp, &host1x->drm_active, list) { | ||
225 | if (drm->client == client) { | ||
226 | err = host1x_drm_exit(host1x); | ||
227 | if (err < 0) { | ||
228 | dev_err(host1x->dev, "host1x_drm_exit(): %d\n", | ||
229 | err); | ||
230 | return err; | ||
231 | } | ||
232 | |||
233 | host1x_remove_drm_client(host1x, drm); | ||
234 | break; | ||
235 | } | ||
236 | } | ||
237 | |||
238 | mutex_lock(&host1x->clients_lock); | ||
239 | list_del_init(&client->list); | ||
240 | mutex_unlock(&host1x->clients_lock); | ||
241 | |||
242 | return 0; | ||
243 | } | ||
244 | |||
245 | static int tegra_drm_load(struct drm_device *drm, unsigned long flags) | ||
246 | { | ||
247 | struct host1x_drm *host1x; | ||
248 | int err; | ||
249 | |||
250 | host1x = host1x_get_drm_data(drm->dev); | ||
251 | drm->dev_private = host1x; | ||
252 | host1x->drm = drm; | ||
253 | |||
254 | drm_mode_config_init(drm); | ||
255 | |||
256 | err = host1x_drm_init(host1x, drm); | ||
257 | if (err < 0) | ||
258 | return err; | ||
259 | |||
260 | err = drm_vblank_init(drm, drm->mode_config.num_crtc); | ||
261 | if (err < 0) | ||
262 | return err; | ||
263 | |||
264 | err = tegra_drm_fb_init(drm); | ||
265 | if (err < 0) | ||
266 | return err; | ||
267 | |||
268 | drm_kms_helper_poll_init(drm); | ||
269 | |||
270 | return 0; | ||
271 | } | ||
272 | |||
273 | static int tegra_drm_unload(struct drm_device *drm) | ||
274 | { | ||
275 | drm_kms_helper_poll_fini(drm); | ||
276 | tegra_drm_fb_exit(drm); | ||
277 | |||
278 | drm_mode_config_cleanup(drm); | ||
279 | |||
280 | return 0; | ||
281 | } | ||
282 | |||
283 | static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp) | ||
284 | { | ||
285 | struct host1x_drm_file *fpriv; | ||
286 | |||
287 | fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); | ||
288 | if (!fpriv) | ||
289 | return -ENOMEM; | ||
290 | |||
291 | INIT_LIST_HEAD(&fpriv->contexts); | ||
292 | filp->driver_priv = fpriv; | ||
293 | |||
294 | return 0; | ||
295 | } | ||
296 | |||
297 | static void host1x_drm_context_free(struct host1x_drm_context *context) | ||
298 | { | ||
299 | context->client->ops->close_channel(context); | ||
300 | kfree(context); | ||
301 | } | ||
302 | |||
303 | static void tegra_drm_lastclose(struct drm_device *drm) | ||
304 | { | ||
305 | struct host1x_drm *host1x = drm->dev_private; | ||
306 | |||
307 | tegra_fbdev_restore_mode(host1x->fbdev); | ||
308 | } | ||
309 | |||
310 | #ifdef CONFIG_DRM_TEGRA_STAGING | ||
311 | static bool host1x_drm_file_owns_context(struct host1x_drm_file *file, | ||
312 | struct host1x_drm_context *context) | ||
313 | { | ||
314 | struct host1x_drm_context *ctx; | ||
315 | |||
316 | list_for_each_entry(ctx, &file->contexts, list) | ||
317 | if (ctx == context) | ||
318 | return true; | ||
319 | |||
320 | return false; | ||
321 | } | ||
322 | |||
323 | static int tegra_gem_create(struct drm_device *drm, void *data, | ||
324 | struct drm_file *file) | ||
325 | { | ||
326 | struct drm_tegra_gem_create *args = data; | ||
327 | struct tegra_bo *bo; | ||
328 | |||
329 | bo = tegra_bo_create_with_handle(file, drm, args->size, | ||
330 | &args->handle); | ||
331 | if (IS_ERR(bo)) | ||
332 | return PTR_ERR(bo); | ||
333 | |||
334 | return 0; | ||
335 | } | ||
336 | |||
337 | static int tegra_gem_mmap(struct drm_device *drm, void *data, | ||
338 | struct drm_file *file) | ||
339 | { | ||
340 | struct drm_tegra_gem_mmap *args = data; | ||
341 | struct drm_gem_object *gem; | ||
342 | struct tegra_bo *bo; | ||
343 | |||
344 | gem = drm_gem_object_lookup(drm, file, args->handle); | ||
345 | if (!gem) | ||
346 | return -EINVAL; | ||
347 | |||
348 | bo = to_tegra_bo(gem); | ||
349 | |||
350 | args->offset = tegra_bo_get_mmap_offset(bo); | ||
351 | |||
352 | drm_gem_object_unreference(gem); | ||
353 | |||
354 | return 0; | ||
355 | } | ||
356 | |||
357 | static int tegra_syncpt_read(struct drm_device *drm, void *data, | ||
358 | struct drm_file *file) | ||
359 | { | ||
360 | struct drm_tegra_syncpt_read *args = data; | ||
361 | struct host1x *host = dev_get_drvdata(drm->dev); | ||
362 | struct host1x_syncpt *sp = host1x_syncpt_get(host, args->id); | ||
363 | |||
364 | if (!sp) | ||
365 | return -EINVAL; | ||
366 | |||
367 | args->value = host1x_syncpt_read_min(sp); | ||
368 | return 0; | ||
369 | } | ||
370 | |||
371 | static int tegra_syncpt_incr(struct drm_device *drm, void *data, | ||
372 | struct drm_file *file) | ||
373 | { | ||
374 | struct drm_tegra_syncpt_incr *args = data; | ||
375 | struct host1x *host = dev_get_drvdata(drm->dev); | ||
376 | struct host1x_syncpt *sp = host1x_syncpt_get(host, args->id); | ||
377 | |||
378 | if (!sp) | ||
379 | return -EINVAL; | ||
380 | |||
381 | host1x_syncpt_incr(sp); | ||
382 | return 0; | ||
383 | } | ||
384 | |||
385 | static int tegra_syncpt_wait(struct drm_device *drm, void *data, | ||
386 | struct drm_file *file) | ||
387 | { | ||
388 | struct drm_tegra_syncpt_wait *args = data; | ||
389 | struct host1x *host = dev_get_drvdata(drm->dev); | ||
390 | struct host1x_syncpt *sp = host1x_syncpt_get(host, args->id); | ||
391 | |||
392 | if (!sp) | ||
393 | return -EINVAL; | ||
394 | |||
395 | return host1x_syncpt_wait(sp, args->thresh, args->timeout, | ||
396 | &args->value); | ||
397 | } | ||
398 | |||
399 | static int tegra_open_channel(struct drm_device *drm, void *data, | ||
400 | struct drm_file *file) | ||
401 | { | ||
402 | struct drm_tegra_open_channel *args = data; | ||
403 | struct host1x_client *client; | ||
404 | struct host1x_drm_context *context; | ||
405 | struct host1x_drm_file *fpriv = file->driver_priv; | ||
406 | struct host1x_drm *host1x = drm->dev_private; | ||
407 | int err = -ENODEV; | ||
408 | |||
409 | context = kzalloc(sizeof(*context), GFP_KERNEL); | ||
410 | if (!context) | ||
411 | return -ENOMEM; | ||
412 | |||
413 | list_for_each_entry(client, &host1x->clients, list) | ||
414 | if (client->class == args->client) { | ||
415 | err = client->ops->open_channel(client, context); | ||
416 | if (err) | ||
417 | break; | ||
418 | |||
419 | context->client = client; | ||
420 | list_add(&context->list, &fpriv->contexts); | ||
421 | args->context = (uintptr_t)context; | ||
422 | return 0; | ||
423 | } | ||
424 | |||
425 | kfree(context); | ||
426 | return err; | ||
427 | } | ||
428 | |||
429 | static int tegra_close_channel(struct drm_device *drm, void *data, | ||
430 | struct drm_file *file) | ||
431 | { | ||
432 | struct drm_tegra_close_channel *args = data; | ||
433 | struct host1x_drm_file *fpriv = file->driver_priv; | ||
434 | struct host1x_drm_context *context = | ||
435 | (struct host1x_drm_context *)(uintptr_t)args->context; | ||
436 | |||
437 | if (!host1x_drm_file_owns_context(fpriv, context)) | ||
438 | return -EINVAL; | ||
439 | |||
440 | list_del(&context->list); | ||
441 | host1x_drm_context_free(context); | ||
442 | |||
443 | return 0; | ||
444 | } | ||
445 | |||
446 | static int tegra_get_syncpt(struct drm_device *drm, void *data, | ||
447 | struct drm_file *file) | ||
448 | { | ||
449 | struct drm_tegra_get_syncpt *args = data; | ||
450 | struct host1x_drm_file *fpriv = file->driver_priv; | ||
451 | struct host1x_drm_context *context = | ||
452 | (struct host1x_drm_context *)(uintptr_t)args->context; | ||
453 | struct host1x_syncpt *syncpt; | ||
454 | |||
455 | if (!host1x_drm_file_owns_context(fpriv, context)) | ||
456 | return -ENODEV; | ||
457 | |||
458 | if (args->index >= context->client->num_syncpts) | ||
459 | return -EINVAL; | ||
460 | |||
461 | syncpt = context->client->syncpts[args->index]; | ||
462 | args->id = host1x_syncpt_id(syncpt); | ||
463 | |||
464 | return 0; | ||
465 | } | ||
466 | |||
467 | static int tegra_submit(struct drm_device *drm, void *data, | ||
468 | struct drm_file *file) | ||
469 | { | ||
470 | struct drm_tegra_submit *args = data; | ||
471 | struct host1x_drm_file *fpriv = file->driver_priv; | ||
472 | struct host1x_drm_context *context = | ||
473 | (struct host1x_drm_context *)(uintptr_t)args->context; | ||
474 | |||
475 | if (!host1x_drm_file_owns_context(fpriv, context)) | ||
476 | return -ENODEV; | ||
477 | |||
478 | return context->client->ops->submit(context, args, drm, file); | ||
479 | } | ||
480 | #endif | ||
481 | |||
482 | static struct drm_ioctl_desc tegra_drm_ioctls[] = { | ||
483 | #ifdef CONFIG_DRM_TEGRA_STAGING | ||
484 | DRM_IOCTL_DEF_DRV(TEGRA_GEM_CREATE, tegra_gem_create, DRM_UNLOCKED | DRM_AUTH), | ||
485 | DRM_IOCTL_DEF_DRV(TEGRA_GEM_MMAP, tegra_gem_mmap, DRM_UNLOCKED), | ||
486 | DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_READ, tegra_syncpt_read, DRM_UNLOCKED), | ||
487 | DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_INCR, tegra_syncpt_incr, DRM_UNLOCKED), | ||
488 | DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_WAIT, tegra_syncpt_wait, DRM_UNLOCKED), | ||
489 | DRM_IOCTL_DEF_DRV(TEGRA_OPEN_CHANNEL, tegra_open_channel, DRM_UNLOCKED), | ||
490 | DRM_IOCTL_DEF_DRV(TEGRA_CLOSE_CHANNEL, tegra_close_channel, DRM_UNLOCKED), | ||
491 | DRM_IOCTL_DEF_DRV(TEGRA_GET_SYNCPT, tegra_get_syncpt, DRM_UNLOCKED), | ||
492 | DRM_IOCTL_DEF_DRV(TEGRA_SUBMIT, tegra_submit, DRM_UNLOCKED), | ||
493 | #endif | ||
494 | }; | ||
495 | |||
496 | static const struct file_operations tegra_drm_fops = { | ||
497 | .owner = THIS_MODULE, | ||
498 | .open = drm_open, | ||
499 | .release = drm_release, | ||
500 | .unlocked_ioctl = drm_ioctl, | ||
501 | .mmap = tegra_drm_mmap, | ||
502 | .poll = drm_poll, | ||
503 | .fasync = drm_fasync, | ||
504 | .read = drm_read, | ||
505 | #ifdef CONFIG_COMPAT | ||
506 | .compat_ioctl = drm_compat_ioctl, | ||
507 | #endif | ||
508 | .llseek = noop_llseek, | ||
509 | }; | ||
510 | |||
511 | static struct drm_crtc *tegra_crtc_from_pipe(struct drm_device *drm, int pipe) | ||
512 | { | ||
513 | struct drm_crtc *crtc; | ||
514 | |||
515 | list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) { | ||
516 | struct tegra_dc *dc = to_tegra_dc(crtc); | ||
517 | |||
518 | if (dc->pipe == pipe) | ||
519 | return crtc; | ||
520 | } | ||
521 | |||
522 | return NULL; | ||
523 | } | ||
524 | |||
525 | static u32 tegra_drm_get_vblank_counter(struct drm_device *dev, int crtc) | ||
526 | { | ||
527 | /* TODO: implement real hardware counter using syncpoints */ | ||
528 | return drm_vblank_count(dev, crtc); | ||
529 | } | ||
530 | |||
531 | static int tegra_drm_enable_vblank(struct drm_device *drm, int pipe) | ||
532 | { | ||
533 | struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe); | ||
534 | struct tegra_dc *dc = to_tegra_dc(crtc); | ||
535 | |||
536 | if (!crtc) | ||
537 | return -ENODEV; | ||
538 | |||
539 | tegra_dc_enable_vblank(dc); | ||
540 | |||
541 | return 0; | ||
542 | } | ||
543 | |||
544 | static void tegra_drm_disable_vblank(struct drm_device *drm, int pipe) | ||
545 | { | ||
546 | struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe); | ||
547 | struct tegra_dc *dc = to_tegra_dc(crtc); | ||
548 | |||
549 | if (crtc) | ||
550 | tegra_dc_disable_vblank(dc); | ||
551 | } | ||
552 | |||
553 | static void tegra_drm_preclose(struct drm_device *drm, struct drm_file *file) | ||
554 | { | ||
555 | struct host1x_drm_file *fpriv = file->driver_priv; | ||
556 | struct host1x_drm_context *context, *tmp; | ||
557 | struct drm_crtc *crtc; | ||
558 | |||
559 | list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) | ||
560 | tegra_dc_cancel_page_flip(crtc, file); | ||
561 | |||
562 | list_for_each_entry_safe(context, tmp, &fpriv->contexts, list) | ||
563 | host1x_drm_context_free(context); | ||
564 | |||
565 | kfree(fpriv); | ||
566 | } | ||
567 | |||
568 | #ifdef CONFIG_DEBUG_FS | ||
569 | static int tegra_debugfs_framebuffers(struct seq_file *s, void *data) | ||
570 | { | ||
571 | struct drm_info_node *node = (struct drm_info_node *)s->private; | ||
572 | struct drm_device *drm = node->minor->dev; | ||
573 | struct drm_framebuffer *fb; | ||
574 | |||
575 | mutex_lock(&drm->mode_config.fb_lock); | ||
576 | |||
577 | list_for_each_entry(fb, &drm->mode_config.fb_list, head) { | ||
578 | seq_printf(s, "%3d: user size: %d x %d, depth %d, %d bpp, refcount %d\n", | ||
579 | fb->base.id, fb->width, fb->height, fb->depth, | ||
580 | fb->bits_per_pixel, | ||
581 | atomic_read(&fb->refcount.refcount)); | ||
582 | } | ||
583 | |||
584 | mutex_unlock(&drm->mode_config.fb_lock); | ||
585 | |||
586 | return 0; | ||
587 | } | ||
588 | |||
589 | static struct drm_info_list tegra_debugfs_list[] = { | ||
590 | { "framebuffers", tegra_debugfs_framebuffers, 0 }, | ||
591 | }; | ||
592 | |||
593 | static int tegra_debugfs_init(struct drm_minor *minor) | ||
594 | { | ||
595 | return drm_debugfs_create_files(tegra_debugfs_list, | ||
596 | ARRAY_SIZE(tegra_debugfs_list), | ||
597 | minor->debugfs_root, minor); | ||
598 | } | ||
599 | |||
600 | static void tegra_debugfs_cleanup(struct drm_minor *minor) | ||
601 | { | ||
602 | drm_debugfs_remove_files(tegra_debugfs_list, | ||
603 | ARRAY_SIZE(tegra_debugfs_list), minor); | ||
604 | } | ||
605 | #endif | ||
606 | |||
607 | struct drm_driver tegra_drm_driver = { | ||
608 | .driver_features = DRIVER_BUS_PLATFORM | DRIVER_MODESET | DRIVER_GEM, | ||
609 | .load = tegra_drm_load, | ||
610 | .unload = tegra_drm_unload, | ||
611 | .open = tegra_drm_open, | ||
612 | .preclose = tegra_drm_preclose, | ||
613 | .lastclose = tegra_drm_lastclose, | ||
614 | |||
615 | .get_vblank_counter = tegra_drm_get_vblank_counter, | ||
616 | .enable_vblank = tegra_drm_enable_vblank, | ||
617 | .disable_vblank = tegra_drm_disable_vblank, | ||
618 | |||
619 | #if defined(CONFIG_DEBUG_FS) | ||
620 | .debugfs_init = tegra_debugfs_init, | ||
621 | .debugfs_cleanup = tegra_debugfs_cleanup, | ||
622 | #endif | ||
623 | |||
624 | .gem_free_object = tegra_bo_free_object, | ||
625 | .gem_vm_ops = &tegra_bo_vm_ops, | ||
626 | .dumb_create = tegra_bo_dumb_create, | ||
627 | .dumb_map_offset = tegra_bo_dumb_map_offset, | ||
628 | .dumb_destroy = tegra_bo_dumb_destroy, | ||
629 | |||
630 | .ioctls = tegra_drm_ioctls, | ||
631 | .num_ioctls = ARRAY_SIZE(tegra_drm_ioctls), | ||
632 | .fops = &tegra_drm_fops, | ||
633 | |||
634 | .name = DRIVER_NAME, | ||
635 | .desc = DRIVER_DESC, | ||
636 | .date = DRIVER_DATE, | ||
637 | .major = DRIVER_MAJOR, | ||
638 | .minor = DRIVER_MINOR, | ||
639 | .patchlevel = DRIVER_PATCHLEVEL, | ||
640 | }; | ||