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6ee73861 BS |
1 | /* |
2 | * Copyright © 2007 David Airlie | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * David Airlie | |
25 | */ | |
26 | ||
27 | #include <linux/module.h> | |
28 | #include <linux/kernel.h> | |
29 | #include <linux/errno.h> | |
30 | #include <linux/string.h> | |
31 | #include <linux/mm.h> | |
32 | #include <linux/tty.h> | |
6ee73861 BS |
33 | #include <linux/sysrq.h> |
34 | #include <linux/delay.h> | |
6ee73861 BS |
35 | #include <linux/init.h> |
36 | #include <linux/screen_info.h> | |
6a9ee8af | 37 | #include <linux/vga_switcheroo.h> |
cf41d53b | 38 | #include <linux/console.h> |
6ee73861 | 39 | |
760285e7 DH |
40 | #include <drm/drmP.h> |
41 | #include <drm/drm_crtc.h> | |
42 | #include <drm/drm_crtc_helper.h> | |
43 | #include <drm/drm_fb_helper.h> | |
a743d758 | 44 | #include <drm/drm_atomic.h> |
ebb945a9 | 45 | |
4dc28134 | 46 | #include "nouveau_drv.h" |
ebb945a9 BS |
47 | #include "nouveau_gem.h" |
48 | #include "nouveau_bo.h" | |
6ee73861 | 49 | #include "nouveau_fbcon.h" |
ebb945a9 | 50 | #include "nouveau_chan.h" |
24e8375b | 51 | #include "nouveau_vmm.h" |
ebb945a9 BS |
52 | |
53 | #include "nouveau_crtc.h" | |
54 | ||
ebb945a9 | 55 | MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration"); |
703fa264 | 56 | int nouveau_nofbaccel = 0; |
ebb945a9 | 57 | module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400); |
6ee73861 | 58 | |
ceed5f30 BS |
59 | static void |
60 | nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect) | |
61 | { | |
ebb945a9 | 62 | struct nouveau_fbdev *fbcon = info->par; |
9dec9280 | 63 | struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); |
1167c6bc | 64 | struct nvif_device *device = &drm->client.device; |
ceed5f30 BS |
65 | int ret; |
66 | ||
67 | if (info->state != FBINFO_STATE_RUNNING) | |
68 | return; | |
69 | ||
70 | ret = -ENODEV; | |
9acc8100 | 71 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
ebb945a9 | 72 | mutex_trylock(&drm->client.mutex)) { |
967e7bde | 73 | if (device->info.family < NV_DEVICE_INFO_V0_TESLA) |
ceed5f30 BS |
74 | ret = nv04_fbcon_fillrect(info, rect); |
75 | else | |
967e7bde | 76 | if (device->info.family < NV_DEVICE_INFO_V0_FERMI) |
ceed5f30 | 77 | ret = nv50_fbcon_fillrect(info, rect); |
ddbaf79a BS |
78 | else |
79 | ret = nvc0_fbcon_fillrect(info, rect); | |
ebb945a9 | 80 | mutex_unlock(&drm->client.mutex); |
ceed5f30 BS |
81 | } |
82 | ||
83 | if (ret == 0) | |
84 | return; | |
85 | ||
86 | if (ret != -ENODEV) | |
87 | nouveau_fbcon_gpu_lockup(info); | |
b166aeb9 | 88 | drm_fb_helper_cfb_fillrect(info, rect); |
ceed5f30 BS |
89 | } |
90 | ||
91 | static void | |
92 | nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image) | |
93 | { | |
ebb945a9 | 94 | struct nouveau_fbdev *fbcon = info->par; |
9dec9280 | 95 | struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); |
1167c6bc | 96 | struct nvif_device *device = &drm->client.device; |
ceed5f30 BS |
97 | int ret; |
98 | ||
99 | if (info->state != FBINFO_STATE_RUNNING) | |
100 | return; | |
101 | ||
102 | ret = -ENODEV; | |
9acc8100 | 103 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
ebb945a9 | 104 | mutex_trylock(&drm->client.mutex)) { |
967e7bde | 105 | if (device->info.family < NV_DEVICE_INFO_V0_TESLA) |
ceed5f30 BS |
106 | ret = nv04_fbcon_copyarea(info, image); |
107 | else | |
967e7bde | 108 | if (device->info.family < NV_DEVICE_INFO_V0_FERMI) |
ceed5f30 | 109 | ret = nv50_fbcon_copyarea(info, image); |
ddbaf79a BS |
110 | else |
111 | ret = nvc0_fbcon_copyarea(info, image); | |
ebb945a9 | 112 | mutex_unlock(&drm->client.mutex); |
ceed5f30 BS |
113 | } |
114 | ||
115 | if (ret == 0) | |
116 | return; | |
117 | ||
118 | if (ret != -ENODEV) | |
119 | nouveau_fbcon_gpu_lockup(info); | |
b166aeb9 | 120 | drm_fb_helper_cfb_copyarea(info, image); |
ceed5f30 BS |
121 | } |
122 | ||
123 | static void | |
124 | nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image) | |
125 | { | |
ebb945a9 | 126 | struct nouveau_fbdev *fbcon = info->par; |
9dec9280 | 127 | struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); |
1167c6bc | 128 | struct nvif_device *device = &drm->client.device; |
ceed5f30 BS |
129 | int ret; |
130 | ||
131 | if (info->state != FBINFO_STATE_RUNNING) | |
132 | return; | |
133 | ||
134 | ret = -ENODEV; | |
9acc8100 | 135 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
ebb945a9 | 136 | mutex_trylock(&drm->client.mutex)) { |
967e7bde | 137 | if (device->info.family < NV_DEVICE_INFO_V0_TESLA) |
ceed5f30 BS |
138 | ret = nv04_fbcon_imageblit(info, image); |
139 | else | |
967e7bde | 140 | if (device->info.family < NV_DEVICE_INFO_V0_FERMI) |
ceed5f30 | 141 | ret = nv50_fbcon_imageblit(info, image); |
ddbaf79a BS |
142 | else |
143 | ret = nvc0_fbcon_imageblit(info, image); | |
ebb945a9 | 144 | mutex_unlock(&drm->client.mutex); |
ceed5f30 BS |
145 | } |
146 | ||
147 | if (ret == 0) | |
148 | return; | |
149 | ||
150 | if (ret != -ENODEV) | |
151 | nouveau_fbcon_gpu_lockup(info); | |
b166aeb9 | 152 | drm_fb_helper_cfb_imageblit(info, image); |
ceed5f30 BS |
153 | } |
154 | ||
6ee73861 BS |
155 | static int |
156 | nouveau_fbcon_sync(struct fb_info *info) | |
157 | { | |
ebb945a9 | 158 | struct nouveau_fbdev *fbcon = info->par; |
9dec9280 | 159 | struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); |
ebb945a9 | 160 | struct nouveau_channel *chan = drm->channel; |
78df3a1c | 161 | int ret; |
6ee73861 | 162 | |
6a6b73f2 | 163 | if (!chan || !chan->accel_done || in_interrupt() || |
6ee73861 BS |
164 | info->state != FBINFO_STATE_RUNNING || |
165 | info->flags & FBINFO_HWACCEL_DISABLED) | |
166 | return 0; | |
167 | ||
ebb945a9 | 168 | if (!mutex_trylock(&drm->client.mutex)) |
9acc8100 BS |
169 | return 0; |
170 | ||
78df3a1c | 171 | ret = nouveau_channel_idle(chan); |
ebb945a9 | 172 | mutex_unlock(&drm->client.mutex); |
6ee73861 | 173 | if (ret) { |
846975a9 | 174 | nouveau_fbcon_gpu_lockup(info); |
6ee73861 BS |
175 | return 0; |
176 | } | |
177 | ||
178 | chan->accel_done = false; | |
179 | return 0; | |
180 | } | |
181 | ||
f231976c BS |
182 | static int |
183 | nouveau_fbcon_open(struct fb_info *info, int user) | |
184 | { | |
185 | struct nouveau_fbdev *fbcon = info->par; | |
9dec9280 | 186 | struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); |
f231976c BS |
187 | int ret = pm_runtime_get_sync(drm->dev->dev); |
188 | if (ret < 0 && ret != -EACCES) | |
189 | return ret; | |
190 | return 0; | |
191 | } | |
192 | ||
193 | static int | |
194 | nouveau_fbcon_release(struct fb_info *info, int user) | |
195 | { | |
196 | struct nouveau_fbdev *fbcon = info->par; | |
9dec9280 | 197 | struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); |
f231976c BS |
198 | pm_runtime_put(drm->dev->dev); |
199 | return 0; | |
200 | } | |
201 | ||
6ee73861 BS |
202 | static struct fb_ops nouveau_fbcon_ops = { |
203 | .owner = THIS_MODULE, | |
51a11f3b | 204 | DRM_FB_HELPER_DEFAULT_OPS, |
f231976c BS |
205 | .fb_open = nouveau_fbcon_open, |
206 | .fb_release = nouveau_fbcon_release, | |
ceed5f30 BS |
207 | .fb_fillrect = nouveau_fbcon_fillrect, |
208 | .fb_copyarea = nouveau_fbcon_copyarea, | |
209 | .fb_imageblit = nouveau_fbcon_imageblit, | |
6ee73861 | 210 | .fb_sync = nouveau_fbcon_sync, |
6ee73861 BS |
211 | }; |
212 | ||
ceed5f30 | 213 | static struct fb_ops nouveau_fbcon_sw_ops = { |
126b5440 | 214 | .owner = THIS_MODULE, |
51a11f3b | 215 | DRM_FB_HELPER_DEFAULT_OPS, |
f231976c BS |
216 | .fb_open = nouveau_fbcon_open, |
217 | .fb_release = nouveau_fbcon_release, | |
b166aeb9 AT |
218 | .fb_fillrect = drm_fb_helper_cfb_fillrect, |
219 | .fb_copyarea = drm_fb_helper_cfb_copyarea, | |
220 | .fb_imageblit = drm_fb_helper_cfb_imageblit, | |
126b5440 MK |
221 | }; |
222 | ||
4b5098f3 BS |
223 | void |
224 | nouveau_fbcon_accel_save_disable(struct drm_device *dev) | |
225 | { | |
226 | struct nouveau_drm *drm = nouveau_drm(dev); | |
48137663 | 227 | if (drm->fbcon && drm->fbcon->helper.fbdev) { |
4b5098f3 BS |
228 | drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags; |
229 | drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; | |
230 | } | |
231 | } | |
232 | ||
233 | void | |
234 | nouveau_fbcon_accel_restore(struct drm_device *dev) | |
235 | { | |
236 | struct nouveau_drm *drm = nouveau_drm(dev); | |
48137663 | 237 | if (drm->fbcon && drm->fbcon->helper.fbdev) { |
4b5098f3 BS |
238 | drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags; |
239 | } | |
240 | } | |
241 | ||
e715396a | 242 | static void |
4b5098f3 BS |
243 | nouveau_fbcon_accel_fini(struct drm_device *dev) |
244 | { | |
245 | struct nouveau_drm *drm = nouveau_drm(dev); | |
246 | struct nouveau_fbdev *fbcon = drm->fbcon; | |
247 | if (fbcon && drm->channel) { | |
248 | console_lock(); | |
48137663 PR |
249 | if (fbcon->helper.fbdev) |
250 | fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; | |
4b5098f3 BS |
251 | console_unlock(); |
252 | nouveau_channel_idle(drm->channel); | |
0ad72863 BS |
253 | nvif_object_fini(&fbcon->twod); |
254 | nvif_object_fini(&fbcon->blit); | |
255 | nvif_object_fini(&fbcon->gdi); | |
256 | nvif_object_fini(&fbcon->patt); | |
257 | nvif_object_fini(&fbcon->rop); | |
258 | nvif_object_fini(&fbcon->clip); | |
259 | nvif_object_fini(&fbcon->surf2d); | |
4b5098f3 BS |
260 | } |
261 | } | |
262 | ||
e715396a | 263 | static void |
4b5098f3 BS |
264 | nouveau_fbcon_accel_init(struct drm_device *dev) |
265 | { | |
266 | struct nouveau_drm *drm = nouveau_drm(dev); | |
267 | struct nouveau_fbdev *fbcon = drm->fbcon; | |
268 | struct fb_info *info = fbcon->helper.fbdev; | |
269 | int ret; | |
270 | ||
1167c6bc | 271 | if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) |
4b5098f3 BS |
272 | ret = nv04_fbcon_accel_init(info); |
273 | else | |
1167c6bc | 274 | if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) |
4b5098f3 BS |
275 | ret = nv50_fbcon_accel_init(info); |
276 | else | |
277 | ret = nvc0_fbcon_accel_init(info); | |
278 | ||
279 | if (ret == 0) | |
280 | info->fbops = &nouveau_fbcon_ops; | |
281 | } | |
282 | ||
38651674 | 283 | static void |
ebb945a9 | 284 | nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *fbcon) |
6ee73861 | 285 | { |
ebb945a9 | 286 | struct fb_info *info = fbcon->helper.fbdev; |
6ee73861 BS |
287 | struct fb_fillrect rect; |
288 | ||
289 | /* Clear the entire fbcon. The drm will program every connector | |
290 | * with it's preferred mode. If the sizes differ, one display will | |
291 | * quite likely have garbage around the console. | |
292 | */ | |
293 | rect.dx = rect.dy = 0; | |
294 | rect.width = info->var.xres_virtual; | |
295 | rect.height = info->var.yres_virtual; | |
296 | rect.color = 0; | |
297 | rect.rop = ROP_COPY; | |
298 | info->fbops->fb_fillrect(info, &rect); | |
299 | } | |
300 | ||
301 | static int | |
cd5428a5 | 302 | nouveau_fbcon_create(struct drm_fb_helper *helper, |
8be48d92 | 303 | struct drm_fb_helper_surface_size *sizes) |
6ee73861 | 304 | { |
918b7ed4 FF |
305 | struct nouveau_fbdev *fbcon = |
306 | container_of(helper, struct nouveau_fbdev, helper); | |
9dec9280 | 307 | struct drm_device *dev = fbcon->helper.dev; |
77145f1c | 308 | struct nouveau_drm *drm = nouveau_drm(dev); |
1167c6bc | 309 | struct nvif_device *device = &drm->client.device; |
6ee73861 | 310 | struct fb_info *info; |
595b61cc | 311 | struct nouveau_framebuffer *fb; |
45143cb5 | 312 | struct nouveau_channel *chan; |
6ee73861 | 313 | struct nouveau_bo *nvbo; |
308e5bcb | 314 | struct drm_mode_fb_cmd2 mode_cmd; |
595b61cc | 315 | int ret; |
6ee73861 | 316 | |
38651674 DA |
317 | mode_cmd.width = sizes->surface_width; |
318 | mode_cmd.height = sizes->surface_height; | |
6ee73861 | 319 | |
308e5bcb JB |
320 | mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3); |
321 | mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256); | |
6ee73861 | 322 | |
308e5bcb JB |
323 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
324 | sizes->surface_depth); | |
325 | ||
fc1b0a02 BS |
326 | ret = nouveau_gem_new(&drm->client, mode_cmd.pitches[0] * |
327 | mode_cmd.height, 0, NOUVEAU_GEM_DOMAIN_VRAM, | |
328 | 0, 0x0000, &nvbo); | |
6ee73861 | 329 | if (ret) { |
ebb945a9 | 330 | NV_ERROR(drm, "failed to allocate framebuffer\n"); |
6ee73861 BS |
331 | goto out; |
332 | } | |
333 | ||
1608a0fb BS |
334 | ret = nouveau_framebuffer_new(dev, &mode_cmd, nvbo, &fb); |
335 | if (ret) | |
336 | goto out_unref; | |
595b61cc | 337 | |
ad76b3f7 | 338 | ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, false); |
6ee73861 | 339 | if (ret) { |
ebb945a9 | 340 | NV_ERROR(drm, "failed to pin fb: %d\n", ret); |
1e2bd5f5 | 341 | goto out_unref; |
6ee73861 BS |
342 | } |
343 | ||
344 | ret = nouveau_bo_map(nvbo); | |
345 | if (ret) { | |
ebb945a9 | 346 | NV_ERROR(drm, "failed to map fb: %d\n", ret); |
1e2bd5f5 | 347 | goto out_unpin; |
6ee73861 BS |
348 | } |
349 | ||
ebb945a9 | 350 | chan = nouveau_nofbaccel ? NULL : drm->channel; |
967e7bde | 351 | if (chan && device->info.family >= NV_DEVICE_INFO_V0_TESLA) { |
24e8375b | 352 | ret = nouveau_vma_new(nvbo, &drm->client.vmm, &fb->vma); |
45143cb5 | 353 | if (ret) { |
ebb945a9 | 354 | NV_ERROR(drm, "failed to map fb into chan: %d\n", ret); |
45143cb5 BS |
355 | chan = NULL; |
356 | } | |
357 | } | |
358 | ||
b166aeb9 AT |
359 | info = drm_fb_helper_alloc_fbi(helper); |
360 | if (IS_ERR(info)) { | |
361 | ret = PTR_ERR(info); | |
1e2bd5f5 | 362 | goto out_unlock; |
6ee73861 | 363 | } |
4dc63933 | 364 | info->skip_vt_switch = 1; |
6ee73861 | 365 | |
ebb945a9 | 366 | info->par = fbcon; |
38651674 | 367 | |
8be48d92 | 368 | /* setup helper */ |
595b61cc | 369 | fbcon->helper.fb = &fb->base; |
6ee73861 BS |
370 | |
371 | strcpy(info->fix.id, "nouveaufb"); | |
1e2bd5f5 | 372 | if (!chan) |
a32ed69d MK |
373 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED; |
374 | else | |
375 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | | |
376 | FBINFO_HWACCEL_FILLRECT | | |
377 | FBINFO_HWACCEL_IMAGEBLIT; | |
8fd4bd22 | 378 | info->flags |= FBINFO_CAN_FORCE_OUTPUT; |
ceed5f30 | 379 | info->fbops = &nouveau_fbcon_sw_ops; |
595b61cc BS |
380 | info->fix.smem_start = fb->nvbo->bo.mem.bus.base + |
381 | fb->nvbo->bo.mem.bus.offset; | |
382 | info->fix.smem_len = fb->nvbo->bo.mem.num_pages << PAGE_SHIFT; | |
6ee73861 | 383 | |
595b61cc BS |
384 | info->screen_base = nvbo_kmap_obj_iovirtual(fb->nvbo); |
385 | info->screen_size = fb->nvbo->bo.mem.num_pages << PAGE_SHIFT; | |
6ee73861 | 386 | |
b00c600e VS |
387 | drm_fb_helper_fill_fix(info, fb->base.pitches[0], |
388 | fb->base.format->depth); | |
ebb945a9 | 389 | drm_fb_helper_fill_var(info, &fbcon->helper, sizes->fb_width, sizes->fb_height); |
1471ca9a | 390 | |
fb2a99e1 | 391 | /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ |
6ee73861 | 392 | |
4b5098f3 BS |
393 | if (chan) |
394 | nouveau_fbcon_accel_init(dev); | |
ebb945a9 | 395 | nouveau_fbcon_zfill(dev, fbcon); |
6ee73861 BS |
396 | |
397 | /* To allow resizeing without swapping buffers */ | |
54c4cd68 | 398 | NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n", |
595b61cc | 399 | fb->base.width, fb->base.height, fb->nvbo->bo.offset, nvbo); |
6ee73861 | 400 | |
6a9ee8af | 401 | vga_switcheroo_client_fb_set(dev->pdev, info); |
6ee73861 BS |
402 | return 0; |
403 | ||
1e2bd5f5 | 404 | out_unlock: |
1e2bd5f5 | 405 | if (chan) |
24e8375b | 406 | nouveau_vma_del(&fb->vma); |
595b61cc | 407 | nouveau_bo_unmap(fb->nvbo); |
1e2bd5f5 | 408 | out_unpin: |
595b61cc | 409 | nouveau_bo_unpin(fb->nvbo); |
1e2bd5f5 | 410 | out_unref: |
595b61cc | 411 | nouveau_bo_ref(NULL, &fb->nvbo); |
6ee73861 BS |
412 | out: |
413 | return ret; | |
414 | } | |
415 | ||
eb1f8e4f DA |
416 | void |
417 | nouveau_fbcon_output_poll_changed(struct drm_device *dev) | |
6ee73861 | 418 | { |
77145f1c | 419 | struct nouveau_drm *drm = nouveau_drm(dev); |
8a258353 ML |
420 | if (drm->fbcon) |
421 | drm_fb_helper_hotplug_event(&drm->fbcon->helper); | |
6ee73861 BS |
422 | } |
423 | ||
6e86e041 | 424 | static int |
ebb945a9 | 425 | nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon) |
6ee73861 | 426 | { |
595b61cc | 427 | struct nouveau_framebuffer *nouveau_fb = nouveau_framebuffer(fbcon->helper.fb); |
6ee73861 | 428 | |
b166aeb9 | 429 | drm_fb_helper_unregister_fbi(&fbcon->helper); |
1608a0fb | 430 | drm_fb_helper_fini(&fbcon->helper); |
6ee73861 | 431 | |
34112bf4 | 432 | if (nouveau_fb && nouveau_fb->nvbo) { |
24e8375b | 433 | nouveau_vma_del(&nouveau_fb->vma); |
595b61cc | 434 | nouveau_bo_unmap(nouveau_fb->nvbo); |
1e2bd5f5 | 435 | nouveau_bo_unpin(nouveau_fb->nvbo); |
1608a0fb | 436 | drm_framebuffer_unreference(&nouveau_fb->base); |
6ee73861 | 437 | } |
1608a0fb | 438 | |
6ee73861 BS |
439 | return 0; |
440 | } | |
846975a9 MS |
441 | |
442 | void nouveau_fbcon_gpu_lockup(struct fb_info *info) | |
443 | { | |
ebb945a9 | 444 | struct nouveau_fbdev *fbcon = info->par; |
9dec9280 | 445 | struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); |
846975a9 | 446 | |
ebb945a9 | 447 | NV_ERROR(drm, "GPU lockup - switching to software fbcon\n"); |
846975a9 MS |
448 | info->flags |= FBINFO_HWACCEL_DISABLED; |
449 | } | |
38651674 | 450 | |
3a493879 | 451 | static const struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = { |
cd5428a5 | 452 | .fb_probe = nouveau_fbcon_create, |
4abe3520 DA |
453 | }; |
454 | ||
15266ae3 LP |
455 | static void |
456 | nouveau_fbcon_set_suspend_work(struct work_struct *work) | |
457 | { | |
458 | struct nouveau_drm *drm = container_of(work, typeof(*drm), fbcon_work); | |
459 | int state = READ_ONCE(drm->fbcon_new_state); | |
460 | ||
461 | if (state == FBINFO_STATE_RUNNING) | |
462 | pm_runtime_get_sync(drm->dev->dev); | |
463 | ||
464 | console_lock(); | |
465 | if (state == FBINFO_STATE_RUNNING) | |
466 | nouveau_fbcon_accel_restore(drm->dev); | |
467 | drm_fb_helper_set_suspend(&drm->fbcon->helper, state); | |
468 | if (state != FBINFO_STATE_RUNNING) | |
469 | nouveau_fbcon_accel_save_disable(drm->dev); | |
470 | console_unlock(); | |
471 | ||
472 | if (state == FBINFO_STATE_RUNNING) { | |
473 | pm_runtime_mark_last_busy(drm->dev->dev); | |
474 | pm_runtime_put_sync(drm->dev->dev); | |
475 | } | |
476 | } | |
477 | ||
7bb6d442 BS |
478 | void |
479 | nouveau_fbcon_set_suspend(struct drm_device *dev, int state) | |
480 | { | |
481 | struct nouveau_drm *drm = nouveau_drm(dev); | |
15266ae3 LP |
482 | |
483 | if (!drm->fbcon) | |
484 | return; | |
485 | ||
486 | drm->fbcon_new_state = state; | |
487 | /* Since runtime resume can happen as a result of a sysfs operation, | |
488 | * it's possible we already have the console locked. So handle fbcon | |
489 | * init/deinit from a seperate work thread | |
490 | */ | |
491 | schedule_work(&drm->fbcon_work); | |
7bb6d442 BS |
492 | } |
493 | ||
ebb945a9 BS |
494 | int |
495 | nouveau_fbcon_init(struct drm_device *dev) | |
38651674 | 496 | { |
77145f1c | 497 | struct nouveau_drm *drm = nouveau_drm(dev); |
ebb945a9 | 498 | struct nouveau_fbdev *fbcon; |
1e482f75 | 499 | int preferred_bpp; |
5a79395b | 500 | int ret; |
8be48d92 | 501 | |
fc162088 BS |
502 | if (!dev->mode_config.num_crtc || |
503 | (dev->pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA) | |
ebb945a9 BS |
504 | return 0; |
505 | ||
506 | fbcon = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL); | |
507 | if (!fbcon) | |
8be48d92 DA |
508 | return -ENOMEM; |
509 | ||
ebb945a9 | 510 | drm->fbcon = fbcon; |
15266ae3 | 511 | INIT_WORK(&drm->fbcon_work, nouveau_fbcon_set_suspend_work); |
10a23102 TR |
512 | |
513 | drm_fb_helper_prepare(dev, &fbcon->helper, &nouveau_fbcon_helper_funcs); | |
8be48d92 | 514 | |
e4563f6b | 515 | ret = drm_fb_helper_init(dev, &fbcon->helper, 4); |
01934c2a TR |
516 | if (ret) |
517 | goto free; | |
5a79395b | 518 | |
01934c2a TR |
519 | ret = drm_fb_helper_single_add_all_connectors(&fbcon->helper); |
520 | if (ret) | |
521 | goto fini; | |
1e482f75 | 522 | |
1167c6bc | 523 | if (drm->client.device.info.ram_size <= 32 * 1024 * 1024) |
1e482f75 | 524 | preferred_bpp = 8; |
ebb945a9 | 525 | else |
1167c6bc | 526 | if (drm->client.device.info.ram_size <= 64 * 1024 * 1024) |
1e482f75 MS |
527 | preferred_bpp = 16; |
528 | else | |
529 | preferred_bpp = 32; | |
530 | ||
76a39dbf | 531 | /* disable all the possible outputs/crtcs before entering KMS mode */ |
a743d758 | 532 | if (!drm_drv_uses_atomic_modeset(dev)) |
fc21a4a0 | 533 | drm_helper_disable_unused_functions(dev); |
76a39dbf | 534 | |
01934c2a TR |
535 | ret = drm_fb_helper_initial_config(&fbcon->helper, preferred_bpp); |
536 | if (ret) | |
537 | goto fini; | |
538 | ||
52dfcc5c DT |
539 | if (fbcon->helper.fbdev) |
540 | fbcon->helper.fbdev->pixmap.buf_align = 4; | |
38651674 | 541 | return 0; |
01934c2a TR |
542 | |
543 | fini: | |
544 | drm_fb_helper_fini(&fbcon->helper); | |
545 | free: | |
546 | kfree(fbcon); | |
547 | return ret; | |
38651674 DA |
548 | } |
549 | ||
ebb945a9 BS |
550 | void |
551 | nouveau_fbcon_fini(struct drm_device *dev) | |
38651674 | 552 | { |
77145f1c | 553 | struct nouveau_drm *drm = nouveau_drm(dev); |
8be48d92 | 554 | |
ebb945a9 | 555 | if (!drm->fbcon) |
8be48d92 DA |
556 | return; |
557 | ||
4b5098f3 | 558 | nouveau_fbcon_accel_fini(dev); |
ebb945a9 BS |
559 | nouveau_fbcon_destroy(dev, drm->fbcon); |
560 | kfree(drm->fbcon); | |
561 | drm->fbcon = NULL; | |
38651674 | 562 | } |