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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> | |
35 | #include <linux/fb.h> | |
36 | #include <linux/init.h> | |
37 | #include <linux/screen_info.h> | |
6a9ee8af | 38 | #include <linux/vga_switcheroo.h> |
cf41d53b | 39 | #include <linux/console.h> |
6ee73861 | 40 | |
760285e7 DH |
41 | #include <drm/drmP.h> |
42 | #include <drm/drm_crtc.h> | |
43 | #include <drm/drm_crtc_helper.h> | |
44 | #include <drm/drm_fb_helper.h> | |
ebb945a9 BS |
45 | |
46 | #include "nouveau_drm.h" | |
47 | #include "nouveau_gem.h" | |
48 | #include "nouveau_bo.h" | |
6ee73861 | 49 | #include "nouveau_fbcon.h" |
ebb945a9 BS |
50 | #include "nouveau_chan.h" |
51 | ||
52 | #include "nouveau_crtc.h" | |
53 | ||
54 | #include <core/client.h> | |
55 | #include <core/device.h> | |
56 | ||
57 | #include <subdev/fb.h> | |
58 | ||
59 | MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration"); | |
60 | static int nouveau_nofbaccel = 0; | |
61 | module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400); | |
6ee73861 | 62 | |
ceed5f30 BS |
63 | static void |
64 | nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect) | |
65 | { | |
ebb945a9 | 66 | struct nouveau_fbdev *fbcon = info->par; |
77145f1c | 67 | struct nouveau_drm *drm = nouveau_drm(fbcon->dev); |
ebb945a9 | 68 | struct nouveau_device *device = nv_device(drm->device); |
ceed5f30 BS |
69 | int ret; |
70 | ||
71 | if (info->state != FBINFO_STATE_RUNNING) | |
72 | return; | |
73 | ||
74 | ret = -ENODEV; | |
9acc8100 | 75 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
ebb945a9 BS |
76 | mutex_trylock(&drm->client.mutex)) { |
77 | if (device->card_type < NV_50) | |
ceed5f30 BS |
78 | ret = nv04_fbcon_fillrect(info, rect); |
79 | else | |
ebb945a9 | 80 | if (device->card_type < NV_C0) |
ceed5f30 | 81 | ret = nv50_fbcon_fillrect(info, rect); |
ddbaf79a BS |
82 | else |
83 | ret = nvc0_fbcon_fillrect(info, rect); | |
ebb945a9 | 84 | mutex_unlock(&drm->client.mutex); |
ceed5f30 BS |
85 | } |
86 | ||
87 | if (ret == 0) | |
88 | return; | |
89 | ||
90 | if (ret != -ENODEV) | |
91 | nouveau_fbcon_gpu_lockup(info); | |
92 | cfb_fillrect(info, rect); | |
93 | } | |
94 | ||
95 | static void | |
96 | nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image) | |
97 | { | |
ebb945a9 | 98 | struct nouveau_fbdev *fbcon = info->par; |
77145f1c | 99 | struct nouveau_drm *drm = nouveau_drm(fbcon->dev); |
ebb945a9 | 100 | struct nouveau_device *device = nv_device(drm->device); |
ceed5f30 BS |
101 | int ret; |
102 | ||
103 | if (info->state != FBINFO_STATE_RUNNING) | |
104 | return; | |
105 | ||
106 | ret = -ENODEV; | |
9acc8100 | 107 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
ebb945a9 BS |
108 | mutex_trylock(&drm->client.mutex)) { |
109 | if (device->card_type < NV_50) | |
ceed5f30 BS |
110 | ret = nv04_fbcon_copyarea(info, image); |
111 | else | |
ebb945a9 | 112 | if (device->card_type < NV_C0) |
ceed5f30 | 113 | ret = nv50_fbcon_copyarea(info, image); |
ddbaf79a BS |
114 | else |
115 | ret = nvc0_fbcon_copyarea(info, image); | |
ebb945a9 | 116 | mutex_unlock(&drm->client.mutex); |
ceed5f30 BS |
117 | } |
118 | ||
119 | if (ret == 0) | |
120 | return; | |
121 | ||
122 | if (ret != -ENODEV) | |
123 | nouveau_fbcon_gpu_lockup(info); | |
124 | cfb_copyarea(info, image); | |
125 | } | |
126 | ||
127 | static void | |
128 | nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image) | |
129 | { | |
ebb945a9 | 130 | struct nouveau_fbdev *fbcon = info->par; |
77145f1c | 131 | struct nouveau_drm *drm = nouveau_drm(fbcon->dev); |
ebb945a9 | 132 | struct nouveau_device *device = nv_device(drm->device); |
ceed5f30 BS |
133 | int ret; |
134 | ||
135 | if (info->state != FBINFO_STATE_RUNNING) | |
136 | return; | |
137 | ||
138 | ret = -ENODEV; | |
9acc8100 | 139 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
ebb945a9 BS |
140 | mutex_trylock(&drm->client.mutex)) { |
141 | if (device->card_type < NV_50) | |
ceed5f30 BS |
142 | ret = nv04_fbcon_imageblit(info, image); |
143 | else | |
ebb945a9 | 144 | if (device->card_type < NV_C0) |
ceed5f30 | 145 | ret = nv50_fbcon_imageblit(info, image); |
ddbaf79a BS |
146 | else |
147 | ret = nvc0_fbcon_imageblit(info, image); | |
ebb945a9 | 148 | mutex_unlock(&drm->client.mutex); |
ceed5f30 BS |
149 | } |
150 | ||
151 | if (ret == 0) | |
152 | return; | |
153 | ||
154 | if (ret != -ENODEV) | |
155 | nouveau_fbcon_gpu_lockup(info); | |
156 | cfb_imageblit(info, image); | |
157 | } | |
158 | ||
6ee73861 BS |
159 | static int |
160 | nouveau_fbcon_sync(struct fb_info *info) | |
161 | { | |
ebb945a9 | 162 | struct nouveau_fbdev *fbcon = info->par; |
77145f1c | 163 | struct nouveau_drm *drm = nouveau_drm(fbcon->dev); |
ebb945a9 | 164 | struct nouveau_channel *chan = drm->channel; |
78df3a1c | 165 | int ret; |
6ee73861 | 166 | |
6a6b73f2 | 167 | if (!chan || !chan->accel_done || in_interrupt() || |
6ee73861 BS |
168 | info->state != FBINFO_STATE_RUNNING || |
169 | info->flags & FBINFO_HWACCEL_DISABLED) | |
170 | return 0; | |
171 | ||
ebb945a9 | 172 | if (!mutex_trylock(&drm->client.mutex)) |
9acc8100 BS |
173 | return 0; |
174 | ||
78df3a1c | 175 | ret = nouveau_channel_idle(chan); |
ebb945a9 | 176 | mutex_unlock(&drm->client.mutex); |
6ee73861 | 177 | if (ret) { |
846975a9 | 178 | nouveau_fbcon_gpu_lockup(info); |
6ee73861 BS |
179 | return 0; |
180 | } | |
181 | ||
182 | chan->accel_done = false; | |
183 | return 0; | |
184 | } | |
185 | ||
186 | static struct fb_ops nouveau_fbcon_ops = { | |
187 | .owner = THIS_MODULE, | |
188 | .fb_check_var = drm_fb_helper_check_var, | |
189 | .fb_set_par = drm_fb_helper_set_par, | |
ceed5f30 BS |
190 | .fb_fillrect = nouveau_fbcon_fillrect, |
191 | .fb_copyarea = nouveau_fbcon_copyarea, | |
192 | .fb_imageblit = nouveau_fbcon_imageblit, | |
6ee73861 BS |
193 | .fb_sync = nouveau_fbcon_sync, |
194 | .fb_pan_display = drm_fb_helper_pan_display, | |
195 | .fb_blank = drm_fb_helper_blank, | |
196 | .fb_setcmap = drm_fb_helper_setcmap, | |
be64c2bb CB |
197 | .fb_debug_enter = drm_fb_helper_debug_enter, |
198 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
6ee73861 BS |
199 | }; |
200 | ||
ceed5f30 | 201 | static struct fb_ops nouveau_fbcon_sw_ops = { |
126b5440 MK |
202 | .owner = THIS_MODULE, |
203 | .fb_check_var = drm_fb_helper_check_var, | |
204 | .fb_set_par = drm_fb_helper_set_par, | |
ceed5f30 BS |
205 | .fb_fillrect = cfb_fillrect, |
206 | .fb_copyarea = cfb_copyarea, | |
207 | .fb_imageblit = cfb_imageblit, | |
126b5440 MK |
208 | .fb_pan_display = drm_fb_helper_pan_display, |
209 | .fb_blank = drm_fb_helper_blank, | |
210 | .fb_setcmap = drm_fb_helper_setcmap, | |
be64c2bb CB |
211 | .fb_debug_enter = drm_fb_helper_debug_enter, |
212 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
126b5440 MK |
213 | }; |
214 | ||
6ee73861 BS |
215 | static void nouveau_fbcon_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, |
216 | u16 blue, int regno) | |
217 | { | |
218 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
219 | ||
220 | nv_crtc->lut.r[regno] = red; | |
221 | nv_crtc->lut.g[regno] = green; | |
222 | nv_crtc->lut.b[regno] = blue; | |
223 | } | |
224 | ||
225 | static void nouveau_fbcon_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, | |
226 | u16 *blue, int regno) | |
227 | { | |
228 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
229 | ||
230 | *red = nv_crtc->lut.r[regno]; | |
231 | *green = nv_crtc->lut.g[regno]; | |
232 | *blue = nv_crtc->lut.b[regno]; | |
233 | } | |
234 | ||
38651674 | 235 | static void |
ebb945a9 | 236 | nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *fbcon) |
6ee73861 | 237 | { |
ebb945a9 | 238 | struct fb_info *info = fbcon->helper.fbdev; |
6ee73861 BS |
239 | struct fb_fillrect rect; |
240 | ||
241 | /* Clear the entire fbcon. The drm will program every connector | |
242 | * with it's preferred mode. If the sizes differ, one display will | |
243 | * quite likely have garbage around the console. | |
244 | */ | |
245 | rect.dx = rect.dy = 0; | |
246 | rect.width = info->var.xres_virtual; | |
247 | rect.height = info->var.yres_virtual; | |
248 | rect.color = 0; | |
249 | rect.rop = ROP_COPY; | |
250 | info->fbops->fb_fillrect(info, &rect); | |
251 | } | |
252 | ||
253 | static int | |
cd5428a5 | 254 | nouveau_fbcon_create(struct drm_fb_helper *helper, |
8be48d92 | 255 | struct drm_fb_helper_surface_size *sizes) |
6ee73861 | 256 | { |
cd5428a5 | 257 | struct nouveau_fbdev *fbcon = (struct nouveau_fbdev *)helper; |
ebb945a9 | 258 | struct drm_device *dev = fbcon->dev; |
77145f1c | 259 | struct nouveau_drm *drm = nouveau_drm(dev); |
ebb945a9 | 260 | struct nouveau_device *device = nv_device(drm->device); |
6ee73861 | 261 | struct fb_info *info; |
6ee73861 BS |
262 | struct drm_framebuffer *fb; |
263 | struct nouveau_framebuffer *nouveau_fb; | |
45143cb5 | 264 | struct nouveau_channel *chan; |
6ee73861 | 265 | struct nouveau_bo *nvbo; |
308e5bcb | 266 | struct drm_mode_fb_cmd2 mode_cmd; |
1471ca9a | 267 | struct pci_dev *pdev = dev->pdev; |
6ee73861 BS |
268 | int size, ret; |
269 | ||
38651674 DA |
270 | mode_cmd.width = sizes->surface_width; |
271 | mode_cmd.height = sizes->surface_height; | |
6ee73861 | 272 | |
308e5bcb JB |
273 | mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3); |
274 | mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256); | |
6ee73861 | 275 | |
308e5bcb JB |
276 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
277 | sizes->surface_depth); | |
278 | ||
279 | size = mode_cmd.pitches[0] * mode_cmd.height; | |
1c7059e4 | 280 | size = roundup(size, PAGE_SIZE); |
6ee73861 | 281 | |
f6d4e621 BS |
282 | ret = nouveau_gem_new(dev, size, 0, NOUVEAU_GEM_DOMAIN_VRAM, |
283 | 0, 0x0000, &nvbo); | |
6ee73861 | 284 | if (ret) { |
ebb945a9 | 285 | NV_ERROR(drm, "failed to allocate framebuffer\n"); |
6ee73861 BS |
286 | goto out; |
287 | } | |
288 | ||
289 | ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM); | |
290 | if (ret) { | |
ebb945a9 | 291 | NV_ERROR(drm, "failed to pin fb: %d\n", ret); |
6ee73861 BS |
292 | nouveau_bo_ref(NULL, &nvbo); |
293 | goto out; | |
294 | } | |
295 | ||
296 | ret = nouveau_bo_map(nvbo); | |
297 | if (ret) { | |
ebb945a9 | 298 | NV_ERROR(drm, "failed to map fb: %d\n", ret); |
6ee73861 BS |
299 | nouveau_bo_unpin(nvbo); |
300 | nouveau_bo_ref(NULL, &nvbo); | |
301 | goto out; | |
302 | } | |
303 | ||
ebb945a9 BS |
304 | chan = nouveau_nofbaccel ? NULL : drm->channel; |
305 | if (chan && device->card_type >= NV_50) { | |
306 | ret = nouveau_bo_vma_add(nvbo, nv_client(chan->cli)->vm, | |
307 | &fbcon->nouveau_fb.vma); | |
45143cb5 | 308 | if (ret) { |
ebb945a9 | 309 | NV_ERROR(drm, "failed to map fb into chan: %d\n", ret); |
45143cb5 BS |
310 | chan = NULL; |
311 | } | |
312 | } | |
313 | ||
6ee73861 BS |
314 | mutex_lock(&dev->struct_mutex); |
315 | ||
ebb945a9 | 316 | info = framebuffer_alloc(0, &pdev->dev); |
6ee73861 | 317 | if (!info) { |
6ee73861 | 318 | ret = -ENOMEM; |
6ee73861 BS |
319 | goto out_unref; |
320 | } | |
321 | ||
4abe3520 DA |
322 | ret = fb_alloc_cmap(&info->cmap, 256, 0); |
323 | if (ret) { | |
6ee73861 BS |
324 | ret = -ENOMEM; |
325 | goto out_unref; | |
326 | } | |
327 | ||
ebb945a9 | 328 | info->par = fbcon; |
38651674 | 329 | |
ebb945a9 | 330 | nouveau_framebuffer_init(dev, &fbcon->nouveau_fb, &mode_cmd, nvbo); |
38651674 | 331 | |
ebb945a9 | 332 | nouveau_fb = &fbcon->nouveau_fb; |
8be48d92 | 333 | fb = &nouveau_fb->base; |
38651674 | 334 | |
8be48d92 | 335 | /* setup helper */ |
ebb945a9 BS |
336 | fbcon->helper.fb = fb; |
337 | fbcon->helper.fbdev = info; | |
6ee73861 BS |
338 | |
339 | strcpy(info->fix.id, "nouveaufb"); | |
a32ed69d MK |
340 | if (nouveau_nofbaccel) |
341 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED; | |
342 | else | |
343 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | | |
344 | FBINFO_HWACCEL_FILLRECT | | |
345 | FBINFO_HWACCEL_IMAGEBLIT; | |
8fd4bd22 | 346 | info->flags |= FBINFO_CAN_FORCE_OUTPUT; |
ceed5f30 | 347 | info->fbops = &nouveau_fbcon_sw_ops; |
f01a9720 BS |
348 | info->fix.smem_start = nvbo->bo.mem.bus.base + |
349 | nvbo->bo.mem.bus.offset; | |
6ee73861 BS |
350 | info->fix.smem_len = size; |
351 | ||
352 | info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo); | |
353 | info->screen_size = size; | |
354 | ||
01f2c773 | 355 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
ebb945a9 | 356 | drm_fb_helper_fill_var(info, &fbcon->helper, sizes->fb_width, sizes->fb_height); |
1471ca9a | 357 | |
fb2a99e1 | 358 | /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ |
6ee73861 | 359 | |
6a6b73f2 BS |
360 | mutex_unlock(&dev->struct_mutex); |
361 | ||
ebb945a9 | 362 | if (chan) { |
ceed5f30 | 363 | ret = -ENODEV; |
ebb945a9 | 364 | if (device->card_type < NV_50) |
ceed5f30 BS |
365 | ret = nv04_fbcon_accel_init(info); |
366 | else | |
ebb945a9 | 367 | if (device->card_type < NV_C0) |
ceed5f30 | 368 | ret = nv50_fbcon_accel_init(info); |
ddbaf79a BS |
369 | else |
370 | ret = nvc0_fbcon_accel_init(info); | |
ceed5f30 BS |
371 | |
372 | if (ret == 0) | |
373 | info->fbops = &nouveau_fbcon_ops; | |
0735f62e | 374 | } |
6ee73861 | 375 | |
ebb945a9 | 376 | nouveau_fbcon_zfill(dev, fbcon); |
6ee73861 BS |
377 | |
378 | /* To allow resizeing without swapping buffers */ | |
ebb945a9 BS |
379 | NV_INFO(drm, "allocated %dx%d fb: 0x%lx, bo %p\n", |
380 | nouveau_fb->base.width, nouveau_fb->base.height, | |
381 | nvbo->bo.offset, nvbo); | |
6ee73861 | 382 | |
6a9ee8af | 383 | vga_switcheroo_client_fb_set(dev->pdev, info); |
6ee73861 BS |
384 | return 0; |
385 | ||
386 | out_unref: | |
387 | mutex_unlock(&dev->struct_mutex); | |
388 | out: | |
389 | return ret; | |
390 | } | |
391 | ||
eb1f8e4f DA |
392 | void |
393 | nouveau_fbcon_output_poll_changed(struct drm_device *dev) | |
6ee73861 | 394 | { |
77145f1c | 395 | struct nouveau_drm *drm = nouveau_drm(dev); |
ebb945a9 | 396 | drm_fb_helper_hotplug_event(&drm->fbcon->helper); |
6ee73861 BS |
397 | } |
398 | ||
6e86e041 | 399 | static int |
ebb945a9 | 400 | nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon) |
6ee73861 | 401 | { |
ebb945a9 | 402 | struct nouveau_framebuffer *nouveau_fb = &fbcon->nouveau_fb; |
6ee73861 BS |
403 | struct fb_info *info; |
404 | ||
ebb945a9 BS |
405 | if (fbcon->helper.fbdev) { |
406 | info = fbcon->helper.fbdev; | |
6ee73861 | 407 | unregister_framebuffer(info); |
4abe3520 DA |
408 | if (info->cmap.len) |
409 | fb_dealloc_cmap(&info->cmap); | |
8be48d92 DA |
410 | framebuffer_release(info); |
411 | } | |
6ee73861 | 412 | |
8be48d92 | 413 | if (nouveau_fb->nvbo) { |
6ee73861 | 414 | nouveau_bo_unmap(nouveau_fb->nvbo); |
45143cb5 | 415 | nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma); |
bc9025bd | 416 | drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem); |
6ee73861 | 417 | nouveau_fb->nvbo = NULL; |
6ee73861 | 418 | } |
ebb945a9 | 419 | drm_fb_helper_fini(&fbcon->helper); |
36206361 | 420 | drm_framebuffer_unregister_private(&nouveau_fb->base); |
38651674 | 421 | drm_framebuffer_cleanup(&nouveau_fb->base); |
6ee73861 BS |
422 | return 0; |
423 | } | |
846975a9 MS |
424 | |
425 | void nouveau_fbcon_gpu_lockup(struct fb_info *info) | |
426 | { | |
ebb945a9 | 427 | struct nouveau_fbdev *fbcon = info->par; |
77145f1c | 428 | struct nouveau_drm *drm = nouveau_drm(fbcon->dev); |
846975a9 | 429 | |
ebb945a9 | 430 | NV_ERROR(drm, "GPU lockup - switching to software fbcon\n"); |
846975a9 MS |
431 | info->flags |= FBINFO_HWACCEL_DISABLED; |
432 | } | |
38651674 | 433 | |
4abe3520 DA |
434 | static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = { |
435 | .gamma_set = nouveau_fbcon_gamma_set, | |
436 | .gamma_get = nouveau_fbcon_gamma_get, | |
cd5428a5 | 437 | .fb_probe = nouveau_fbcon_create, |
4abe3520 DA |
438 | }; |
439 | ||
440 | ||
ebb945a9 BS |
441 | int |
442 | nouveau_fbcon_init(struct drm_device *dev) | |
38651674 | 443 | { |
77145f1c | 444 | struct nouveau_drm *drm = nouveau_drm(dev); |
ebb945a9 BS |
445 | struct nouveau_fb *pfb = nouveau_fb(drm->device); |
446 | struct nouveau_fbdev *fbcon; | |
1e482f75 | 447 | int preferred_bpp; |
5a79395b | 448 | int ret; |
8be48d92 | 449 | |
ebb945a9 BS |
450 | if (!dev->mode_config.num_crtc) |
451 | return 0; | |
452 | ||
453 | fbcon = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL); | |
454 | if (!fbcon) | |
8be48d92 DA |
455 | return -ENOMEM; |
456 | ||
ebb945a9 BS |
457 | fbcon->dev = dev; |
458 | drm->fbcon = fbcon; | |
459 | fbcon->helper.funcs = &nouveau_fbcon_helper_funcs; | |
8be48d92 | 460 | |
ebb945a9 | 461 | ret = drm_fb_helper_init(dev, &fbcon->helper, |
9bd0c15f | 462 | dev->mode_config.num_crtc, 4); |
5a79395b | 463 | if (ret) { |
ebb945a9 | 464 | kfree(fbcon); |
5a79395b CW |
465 | return ret; |
466 | } | |
467 | ||
ebb945a9 | 468 | drm_fb_helper_single_add_all_connectors(&fbcon->helper); |
1e482f75 | 469 | |
ebb945a9 | 470 | if (pfb->ram.size <= 32 * 1024 * 1024) |
1e482f75 | 471 | preferred_bpp = 8; |
ebb945a9 BS |
472 | else |
473 | if (pfb->ram.size <= 64 * 1024 * 1024) | |
1e482f75 MS |
474 | preferred_bpp = 16; |
475 | else | |
476 | preferred_bpp = 32; | |
477 | ||
76a39dbf DV |
478 | /* disable all the possible outputs/crtcs before entering KMS mode */ |
479 | drm_helper_disable_unused_functions(dev); | |
480 | ||
ebb945a9 | 481 | drm_fb_helper_initial_config(&fbcon->helper, preferred_bpp); |
38651674 DA |
482 | return 0; |
483 | } | |
484 | ||
ebb945a9 BS |
485 | void |
486 | nouveau_fbcon_fini(struct drm_device *dev) | |
38651674 | 487 | { |
77145f1c | 488 | struct nouveau_drm *drm = nouveau_drm(dev); |
8be48d92 | 489 | |
ebb945a9 | 490 | if (!drm->fbcon) |
8be48d92 DA |
491 | return; |
492 | ||
ebb945a9 BS |
493 | nouveau_fbcon_destroy(dev, drm->fbcon); |
494 | kfree(drm->fbcon); | |
495 | drm->fbcon = NULL; | |
38651674 DA |
496 | } |
497 | ||
498 | void nouveau_fbcon_save_disable_accel(struct drm_device *dev) | |
499 | { | |
77145f1c | 500 | struct nouveau_drm *drm = nouveau_drm(dev); |
38651674 | 501 | |
ebb945a9 BS |
502 | drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags; |
503 | drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; | |
38651674 DA |
504 | } |
505 | ||
506 | void nouveau_fbcon_restore_accel(struct drm_device *dev) | |
507 | { | |
77145f1c | 508 | struct nouveau_drm *drm = nouveau_drm(dev); |
ebb945a9 | 509 | drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags; |
38651674 DA |
510 | } |
511 | ||
512 | void nouveau_fbcon_set_suspend(struct drm_device *dev, int state) | |
513 | { | |
77145f1c | 514 | struct nouveau_drm *drm = nouveau_drm(dev); |
cf41d53b BS |
515 | console_lock(); |
516 | if (state == 0) | |
517 | nouveau_fbcon_save_disable_accel(dev); | |
ebb945a9 | 518 | fb_set_suspend(drm->fbcon->helper.fbdev, state); |
cf41d53b BS |
519 | if (state == 1) |
520 | nouveau_fbcon_restore_accel(dev); | |
521 | console_unlock(); | |
38651674 DA |
522 | } |
523 | ||
524 | void nouveau_fbcon_zfill_all(struct drm_device *dev) | |
525 | { | |
77145f1c | 526 | struct nouveau_drm *drm = nouveau_drm(dev); |
ebb945a9 | 527 | nouveau_fbcon_zfill(dev, drm->fbcon); |
38651674 | 528 | } |