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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 BS |
40 | |
41 | #include "drmP.h" | |
42 | #include "drm.h" | |
43 | #include "drm_crtc.h" | |
44 | #include "drm_crtc_helper.h" | |
45 | #include "drm_fb_helper.h" | |
46 | #include "nouveau_drv.h" | |
47 | #include "nouveau_drm.h" | |
48 | #include "nouveau_crtc.h" | |
49 | #include "nouveau_fb.h" | |
50 | #include "nouveau_fbcon.h" | |
51 | #include "nouveau_dma.h" | |
52 | ||
ceed5f30 BS |
53 | static void |
54 | nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect) | |
55 | { | |
56 | struct nouveau_fbdev *nfbdev = info->par; | |
57 | struct drm_device *dev = nfbdev->dev; | |
58 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
59 | int ret; | |
60 | ||
61 | if (info->state != FBINFO_STATE_RUNNING) | |
62 | return; | |
63 | ||
64 | ret = -ENODEV; | |
9acc8100 BS |
65 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
66 | mutex_trylock(&dev_priv->channel->mutex)) { | |
ceed5f30 BS |
67 | if (dev_priv->card_type < NV_50) |
68 | ret = nv04_fbcon_fillrect(info, rect); | |
69 | else | |
70 | if (dev_priv->card_type < NV_C0) | |
71 | ret = nv50_fbcon_fillrect(info, rect); | |
ddbaf79a BS |
72 | else |
73 | ret = nvc0_fbcon_fillrect(info, rect); | |
6a6b73f2 | 74 | mutex_unlock(&dev_priv->channel->mutex); |
ceed5f30 BS |
75 | } |
76 | ||
77 | if (ret == 0) | |
78 | return; | |
79 | ||
80 | if (ret != -ENODEV) | |
81 | nouveau_fbcon_gpu_lockup(info); | |
82 | cfb_fillrect(info, rect); | |
83 | } | |
84 | ||
85 | static void | |
86 | nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image) | |
87 | { | |
88 | struct nouveau_fbdev *nfbdev = info->par; | |
89 | struct drm_device *dev = nfbdev->dev; | |
90 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
91 | int ret; | |
92 | ||
93 | if (info->state != FBINFO_STATE_RUNNING) | |
94 | return; | |
95 | ||
96 | ret = -ENODEV; | |
9acc8100 BS |
97 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
98 | mutex_trylock(&dev_priv->channel->mutex)) { | |
ceed5f30 BS |
99 | if (dev_priv->card_type < NV_50) |
100 | ret = nv04_fbcon_copyarea(info, image); | |
101 | else | |
102 | if (dev_priv->card_type < NV_C0) | |
103 | ret = nv50_fbcon_copyarea(info, image); | |
ddbaf79a BS |
104 | else |
105 | ret = nvc0_fbcon_copyarea(info, image); | |
6a6b73f2 | 106 | mutex_unlock(&dev_priv->channel->mutex); |
ceed5f30 BS |
107 | } |
108 | ||
109 | if (ret == 0) | |
110 | return; | |
111 | ||
112 | if (ret != -ENODEV) | |
113 | nouveau_fbcon_gpu_lockup(info); | |
114 | cfb_copyarea(info, image); | |
115 | } | |
116 | ||
117 | static void | |
118 | nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image) | |
119 | { | |
120 | struct nouveau_fbdev *nfbdev = info->par; | |
121 | struct drm_device *dev = nfbdev->dev; | |
122 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
123 | int ret; | |
124 | ||
125 | if (info->state != FBINFO_STATE_RUNNING) | |
126 | return; | |
127 | ||
128 | ret = -ENODEV; | |
9acc8100 BS |
129 | if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) && |
130 | mutex_trylock(&dev_priv->channel->mutex)) { | |
ceed5f30 BS |
131 | if (dev_priv->card_type < NV_50) |
132 | ret = nv04_fbcon_imageblit(info, image); | |
133 | else | |
134 | if (dev_priv->card_type < NV_C0) | |
135 | ret = nv50_fbcon_imageblit(info, image); | |
ddbaf79a BS |
136 | else |
137 | ret = nvc0_fbcon_imageblit(info, image); | |
6a6b73f2 | 138 | mutex_unlock(&dev_priv->channel->mutex); |
ceed5f30 BS |
139 | } |
140 | ||
141 | if (ret == 0) | |
142 | return; | |
143 | ||
144 | if (ret != -ENODEV) | |
145 | nouveau_fbcon_gpu_lockup(info); | |
146 | cfb_imageblit(info, image); | |
147 | } | |
148 | ||
6ee73861 BS |
149 | static int |
150 | nouveau_fbcon_sync(struct fb_info *info) | |
151 | { | |
8be48d92 DA |
152 | struct nouveau_fbdev *nfbdev = info->par; |
153 | struct drm_device *dev = nfbdev->dev; | |
6ee73861 BS |
154 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
155 | struct nouveau_channel *chan = dev_priv->channel; | |
78df3a1c | 156 | int ret; |
6ee73861 | 157 | |
6a6b73f2 | 158 | if (!chan || !chan->accel_done || in_interrupt() || |
6ee73861 BS |
159 | info->state != FBINFO_STATE_RUNNING || |
160 | info->flags & FBINFO_HWACCEL_DISABLED) | |
161 | return 0; | |
162 | ||
9acc8100 BS |
163 | if (!mutex_trylock(&chan->mutex)) |
164 | return 0; | |
165 | ||
78df3a1c | 166 | ret = nouveau_channel_idle(chan); |
6a6b73f2 | 167 | mutex_unlock(&chan->mutex); |
6ee73861 | 168 | if (ret) { |
846975a9 | 169 | nouveau_fbcon_gpu_lockup(info); |
6ee73861 BS |
170 | return 0; |
171 | } | |
172 | ||
173 | chan->accel_done = false; | |
174 | return 0; | |
175 | } | |
176 | ||
177 | static struct fb_ops nouveau_fbcon_ops = { | |
178 | .owner = THIS_MODULE, | |
179 | .fb_check_var = drm_fb_helper_check_var, | |
180 | .fb_set_par = drm_fb_helper_set_par, | |
ceed5f30 BS |
181 | .fb_fillrect = nouveau_fbcon_fillrect, |
182 | .fb_copyarea = nouveau_fbcon_copyarea, | |
183 | .fb_imageblit = nouveau_fbcon_imageblit, | |
6ee73861 BS |
184 | .fb_sync = nouveau_fbcon_sync, |
185 | .fb_pan_display = drm_fb_helper_pan_display, | |
186 | .fb_blank = drm_fb_helper_blank, | |
187 | .fb_setcmap = drm_fb_helper_setcmap, | |
be64c2bb CB |
188 | .fb_debug_enter = drm_fb_helper_debug_enter, |
189 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
6ee73861 BS |
190 | }; |
191 | ||
ceed5f30 | 192 | static struct fb_ops nouveau_fbcon_sw_ops = { |
126b5440 MK |
193 | .owner = THIS_MODULE, |
194 | .fb_check_var = drm_fb_helper_check_var, | |
195 | .fb_set_par = drm_fb_helper_set_par, | |
ceed5f30 BS |
196 | .fb_fillrect = cfb_fillrect, |
197 | .fb_copyarea = cfb_copyarea, | |
198 | .fb_imageblit = cfb_imageblit, | |
126b5440 MK |
199 | .fb_pan_display = drm_fb_helper_pan_display, |
200 | .fb_blank = drm_fb_helper_blank, | |
201 | .fb_setcmap = drm_fb_helper_setcmap, | |
be64c2bb CB |
202 | .fb_debug_enter = drm_fb_helper_debug_enter, |
203 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
126b5440 MK |
204 | }; |
205 | ||
6ee73861 BS |
206 | static void nouveau_fbcon_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, |
207 | u16 blue, int regno) | |
208 | { | |
209 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
210 | ||
211 | nv_crtc->lut.r[regno] = red; | |
212 | nv_crtc->lut.g[regno] = green; | |
213 | nv_crtc->lut.b[regno] = blue; | |
214 | } | |
215 | ||
216 | static void nouveau_fbcon_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, | |
217 | u16 *blue, int regno) | |
218 | { | |
219 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
220 | ||
221 | *red = nv_crtc->lut.r[regno]; | |
222 | *green = nv_crtc->lut.g[regno]; | |
223 | *blue = nv_crtc->lut.b[regno]; | |
224 | } | |
225 | ||
38651674 | 226 | static void |
8be48d92 | 227 | nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *nfbdev) |
6ee73861 | 228 | { |
8be48d92 | 229 | struct fb_info *info = nfbdev->helper.fbdev; |
6ee73861 BS |
230 | struct fb_fillrect rect; |
231 | ||
232 | /* Clear the entire fbcon. The drm will program every connector | |
233 | * with it's preferred mode. If the sizes differ, one display will | |
234 | * quite likely have garbage around the console. | |
235 | */ | |
236 | rect.dx = rect.dy = 0; | |
237 | rect.width = info->var.xres_virtual; | |
238 | rect.height = info->var.yres_virtual; | |
239 | rect.color = 0; | |
240 | rect.rop = ROP_COPY; | |
241 | info->fbops->fb_fillrect(info, &rect); | |
242 | } | |
243 | ||
244 | static int | |
8be48d92 DA |
245 | nouveau_fbcon_create(struct nouveau_fbdev *nfbdev, |
246 | struct drm_fb_helper_surface_size *sizes) | |
6ee73861 | 247 | { |
8be48d92 | 248 | struct drm_device *dev = nfbdev->dev; |
6ee73861 BS |
249 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
250 | struct fb_info *info; | |
6ee73861 BS |
251 | struct drm_framebuffer *fb; |
252 | struct nouveau_framebuffer *nouveau_fb; | |
45143cb5 | 253 | struct nouveau_channel *chan; |
6ee73861 | 254 | struct nouveau_bo *nvbo; |
308e5bcb | 255 | struct drm_mode_fb_cmd2 mode_cmd; |
1471ca9a MS |
256 | struct pci_dev *pdev = dev->pdev; |
257 | struct device *device = &pdev->dev; | |
6ee73861 BS |
258 | int size, ret; |
259 | ||
38651674 DA |
260 | mode_cmd.width = sizes->surface_width; |
261 | mode_cmd.height = sizes->surface_height; | |
6ee73861 | 262 | |
308e5bcb JB |
263 | mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3); |
264 | mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256); | |
6ee73861 | 265 | |
308e5bcb JB |
266 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
267 | sizes->surface_depth); | |
268 | ||
269 | size = mode_cmd.pitches[0] * mode_cmd.height; | |
1c7059e4 | 270 | size = roundup(size, PAGE_SIZE); |
6ee73861 | 271 | |
f6d4e621 BS |
272 | ret = nouveau_gem_new(dev, size, 0, NOUVEAU_GEM_DOMAIN_VRAM, |
273 | 0, 0x0000, &nvbo); | |
6ee73861 BS |
274 | if (ret) { |
275 | NV_ERROR(dev, "failed to allocate framebuffer\n"); | |
276 | goto out; | |
277 | } | |
278 | ||
279 | ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM); | |
280 | if (ret) { | |
281 | NV_ERROR(dev, "failed to pin fb: %d\n", ret); | |
282 | nouveau_bo_ref(NULL, &nvbo); | |
283 | goto out; | |
284 | } | |
285 | ||
286 | ret = nouveau_bo_map(nvbo); | |
287 | if (ret) { | |
288 | NV_ERROR(dev, "failed to map fb: %d\n", ret); | |
289 | nouveau_bo_unpin(nvbo); | |
290 | nouveau_bo_ref(NULL, &nvbo); | |
291 | goto out; | |
292 | } | |
293 | ||
45143cb5 BS |
294 | chan = nouveau_nofbaccel ? NULL : dev_priv->channel; |
295 | if (chan && dev_priv->card_type >= NV_50) { | |
296 | ret = nouveau_bo_vma_add(nvbo, chan->vm, &nfbdev->nouveau_fb.vma); | |
297 | if (ret) { | |
298 | NV_ERROR(dev, "failed to map fb into chan: %d\n", ret); | |
299 | chan = NULL; | |
300 | } | |
301 | } | |
302 | ||
6ee73861 BS |
303 | mutex_lock(&dev->struct_mutex); |
304 | ||
8be48d92 | 305 | info = framebuffer_alloc(0, device); |
6ee73861 | 306 | if (!info) { |
6ee73861 | 307 | ret = -ENOMEM; |
6ee73861 BS |
308 | goto out_unref; |
309 | } | |
310 | ||
4abe3520 DA |
311 | ret = fb_alloc_cmap(&info->cmap, 256, 0); |
312 | if (ret) { | |
6ee73861 BS |
313 | ret = -ENOMEM; |
314 | goto out_unref; | |
315 | } | |
316 | ||
8be48d92 | 317 | info->par = nfbdev; |
38651674 | 318 | |
8be48d92 | 319 | nouveau_framebuffer_init(dev, &nfbdev->nouveau_fb, &mode_cmd, nvbo); |
38651674 | 320 | |
8be48d92 DA |
321 | nouveau_fb = &nfbdev->nouveau_fb; |
322 | fb = &nouveau_fb->base; | |
38651674 | 323 | |
8be48d92 DA |
324 | /* setup helper */ |
325 | nfbdev->helper.fb = fb; | |
326 | nfbdev->helper.fbdev = info; | |
6ee73861 BS |
327 | |
328 | strcpy(info->fix.id, "nouveaufb"); | |
a32ed69d MK |
329 | if (nouveau_nofbaccel) |
330 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED; | |
331 | else | |
332 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | | |
333 | FBINFO_HWACCEL_FILLRECT | | |
334 | FBINFO_HWACCEL_IMAGEBLIT; | |
8fd4bd22 | 335 | info->flags |= FBINFO_CAN_FORCE_OUTPUT; |
ceed5f30 | 336 | info->fbops = &nouveau_fbcon_sw_ops; |
f01a9720 BS |
337 | info->fix.smem_start = nvbo->bo.mem.bus.base + |
338 | nvbo->bo.mem.bus.offset; | |
6ee73861 BS |
339 | info->fix.smem_len = size; |
340 | ||
341 | info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo); | |
342 | info->screen_size = size; | |
343 | ||
01f2c773 | 344 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
8be48d92 | 345 | drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height); |
6ee73861 | 346 | |
6ee73861 | 347 | /* Set aperture base/size for vesafb takeover */ |
06415c56 | 348 | info->apertures = dev_priv->apertures; |
1471ca9a MS |
349 | if (!info->apertures) { |
350 | ret = -ENOMEM; | |
351 | goto out_unref; | |
352 | } | |
353 | ||
fb2a99e1 | 354 | /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ |
6ee73861 | 355 | |
6a6b73f2 BS |
356 | mutex_unlock(&dev->struct_mutex); |
357 | ||
a32ed69d | 358 | if (dev_priv->channel && !nouveau_nofbaccel) { |
ceed5f30 BS |
359 | ret = -ENODEV; |
360 | if (dev_priv->card_type < NV_50) | |
361 | ret = nv04_fbcon_accel_init(info); | |
362 | else | |
363 | if (dev_priv->card_type < NV_C0) | |
364 | ret = nv50_fbcon_accel_init(info); | |
ddbaf79a BS |
365 | else |
366 | ret = nvc0_fbcon_accel_init(info); | |
ceed5f30 BS |
367 | |
368 | if (ret == 0) | |
369 | info->fbops = &nouveau_fbcon_ops; | |
0735f62e | 370 | } |
6ee73861 | 371 | |
8be48d92 | 372 | nouveau_fbcon_zfill(dev, nfbdev); |
6ee73861 BS |
373 | |
374 | /* To allow resizeing without swapping buffers */ | |
375 | NV_INFO(dev, "allocated %dx%d fb: 0x%lx, bo %p\n", | |
376 | nouveau_fb->base.width, | |
377 | nouveau_fb->base.height, | |
378 | nvbo->bo.offset, nvbo); | |
379 | ||
6a9ee8af | 380 | vga_switcheroo_client_fb_set(dev->pdev, info); |
6ee73861 BS |
381 | return 0; |
382 | ||
383 | out_unref: | |
384 | mutex_unlock(&dev->struct_mutex); | |
385 | out: | |
386 | return ret; | |
387 | } | |
388 | ||
38651674 | 389 | static int |
8be48d92 DA |
390 | nouveau_fbcon_find_or_create_single(struct drm_fb_helper *helper, |
391 | struct drm_fb_helper_surface_size *sizes) | |
6ee73861 | 392 | { |
8be48d92 | 393 | struct nouveau_fbdev *nfbdev = (struct nouveau_fbdev *)helper; |
38651674 DA |
394 | int new_fb = 0; |
395 | int ret; | |
396 | ||
8be48d92 DA |
397 | if (!helper->fb) { |
398 | ret = nouveau_fbcon_create(nfbdev, sizes); | |
38651674 DA |
399 | if (ret) |
400 | return ret; | |
38651674 | 401 | new_fb = 1; |
38651674 | 402 | } |
38651674 DA |
403 | return new_fb; |
404 | } | |
6ee73861 | 405 | |
eb1f8e4f DA |
406 | void |
407 | nouveau_fbcon_output_poll_changed(struct drm_device *dev) | |
6ee73861 | 408 | { |
4abe3520 | 409 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
eb1f8e4f | 410 | drm_fb_helper_hotplug_event(&dev_priv->nfbdev->helper); |
6ee73861 BS |
411 | } |
412 | ||
6e86e041 | 413 | static int |
8be48d92 | 414 | nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev) |
6ee73861 | 415 | { |
8be48d92 | 416 | struct nouveau_framebuffer *nouveau_fb = &nfbdev->nouveau_fb; |
6ee73861 BS |
417 | struct fb_info *info; |
418 | ||
8be48d92 DA |
419 | if (nfbdev->helper.fbdev) { |
420 | info = nfbdev->helper.fbdev; | |
6ee73861 | 421 | unregister_framebuffer(info); |
4abe3520 DA |
422 | if (info->cmap.len) |
423 | fb_dealloc_cmap(&info->cmap); | |
8be48d92 DA |
424 | framebuffer_release(info); |
425 | } | |
6ee73861 | 426 | |
8be48d92 | 427 | if (nouveau_fb->nvbo) { |
6ee73861 | 428 | nouveau_bo_unmap(nouveau_fb->nvbo); |
45143cb5 | 429 | nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma); |
bc9025bd | 430 | drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem); |
6ee73861 | 431 | nouveau_fb->nvbo = NULL; |
6ee73861 | 432 | } |
4abe3520 | 433 | drm_fb_helper_fini(&nfbdev->helper); |
38651674 | 434 | drm_framebuffer_cleanup(&nouveau_fb->base); |
6ee73861 BS |
435 | return 0; |
436 | } | |
846975a9 MS |
437 | |
438 | void nouveau_fbcon_gpu_lockup(struct fb_info *info) | |
439 | { | |
8be48d92 DA |
440 | struct nouveau_fbdev *nfbdev = info->par; |
441 | struct drm_device *dev = nfbdev->dev; | |
846975a9 MS |
442 | |
443 | NV_ERROR(dev, "GPU lockup - switching to software fbcon\n"); | |
444 | info->flags |= FBINFO_HWACCEL_DISABLED; | |
445 | } | |
38651674 | 446 | |
4abe3520 DA |
447 | static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = { |
448 | .gamma_set = nouveau_fbcon_gamma_set, | |
449 | .gamma_get = nouveau_fbcon_gamma_get, | |
450 | .fb_probe = nouveau_fbcon_find_or_create_single, | |
4abe3520 DA |
451 | }; |
452 | ||
453 | ||
38651674 DA |
454 | int nouveau_fbcon_init(struct drm_device *dev) |
455 | { | |
8be48d92 DA |
456 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
457 | struct nouveau_fbdev *nfbdev; | |
1e482f75 | 458 | int preferred_bpp; |
5a79395b | 459 | int ret; |
8be48d92 DA |
460 | |
461 | nfbdev = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL); | |
462 | if (!nfbdev) | |
463 | return -ENOMEM; | |
464 | ||
465 | nfbdev->dev = dev; | |
466 | dev_priv->nfbdev = nfbdev; | |
4abe3520 | 467 | nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs; |
8be48d92 | 468 | |
77144554 | 469 | ret = drm_fb_helper_init(dev, &nfbdev->helper, |
9bd0c15f | 470 | dev->mode_config.num_crtc, 4); |
5a79395b CW |
471 | if (ret) { |
472 | kfree(nfbdev); | |
473 | return ret; | |
474 | } | |
475 | ||
0b4c0f3f | 476 | drm_fb_helper_single_add_all_connectors(&nfbdev->helper); |
1e482f75 MS |
477 | |
478 | if (dev_priv->vram_size <= 32 * 1024 * 1024) | |
479 | preferred_bpp = 8; | |
480 | else if (dev_priv->vram_size <= 64 * 1024 * 1024) | |
481 | preferred_bpp = 16; | |
482 | else | |
483 | preferred_bpp = 32; | |
484 | ||
485 | drm_fb_helper_initial_config(&nfbdev->helper, preferred_bpp); | |
38651674 DA |
486 | return 0; |
487 | } | |
488 | ||
489 | void nouveau_fbcon_fini(struct drm_device *dev) | |
490 | { | |
491 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
8be48d92 DA |
492 | |
493 | if (!dev_priv->nfbdev) | |
494 | return; | |
495 | ||
38651674 | 496 | nouveau_fbcon_destroy(dev, dev_priv->nfbdev); |
8be48d92 | 497 | kfree(dev_priv->nfbdev); |
38651674 DA |
498 | dev_priv->nfbdev = NULL; |
499 | } | |
500 | ||
501 | void nouveau_fbcon_save_disable_accel(struct drm_device *dev) | |
502 | { | |
503 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
504 | ||
505 | dev_priv->nfbdev->saved_flags = dev_priv->nfbdev->helper.fbdev->flags; | |
506 | dev_priv->nfbdev->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; | |
507 | } | |
508 | ||
509 | void nouveau_fbcon_restore_accel(struct drm_device *dev) | |
510 | { | |
511 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
512 | dev_priv->nfbdev->helper.fbdev->flags = dev_priv->nfbdev->saved_flags; | |
513 | } | |
514 | ||
515 | void nouveau_fbcon_set_suspend(struct drm_device *dev, int state) | |
516 | { | |
517 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
cf41d53b BS |
518 | console_lock(); |
519 | if (state == 0) | |
520 | nouveau_fbcon_save_disable_accel(dev); | |
38651674 | 521 | fb_set_suspend(dev_priv->nfbdev->helper.fbdev, state); |
cf41d53b BS |
522 | if (state == 1) |
523 | nouveau_fbcon_restore_accel(dev); | |
524 | console_unlock(); | |
38651674 DA |
525 | } |
526 | ||
527 | void nouveau_fbcon_zfill_all(struct drm_device *dev) | |
528 | { | |
529 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
530 | nouveau_fbcon_zfill(dev, dev_priv->nfbdev); | |
531 | } |