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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; | |
156 | int ret, i; | |
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 | ||
6a6b73f2 BS |
166 | ret = RING_SPACE(chan, 4); |
167 | if (ret) { | |
168 | mutex_unlock(&chan->mutex); | |
846975a9 | 169 | nouveau_fbcon_gpu_lockup(info); |
6ee73861 BS |
170 | return 0; |
171 | } | |
172 | ||
ddbaf79a BS |
173 | if (dev_priv->card_type >= NV_C0) { |
174 | BEGIN_NVC0(chan, 2, NvSub2D, 0x010c, 1); | |
175 | OUT_RING (chan, 0); | |
176 | BEGIN_NVC0(chan, 2, NvSub2D, 0x0100, 1); | |
177 | OUT_RING (chan, 0); | |
178 | } else { | |
179 | BEGIN_RING(chan, 0, 0x0104, 1); | |
180 | OUT_RING (chan, 0); | |
181 | BEGIN_RING(chan, 0, 0x0100, 1); | |
182 | OUT_RING (chan, 0); | |
183 | } | |
184 | ||
a18d89ca | 185 | nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3, 0xffffffff); |
6ee73861 | 186 | FIRE_RING(chan); |
6a6b73f2 | 187 | mutex_unlock(&chan->mutex); |
6ee73861 BS |
188 | |
189 | ret = -EBUSY; | |
190 | for (i = 0; i < 100000; i++) { | |
a18d89ca | 191 | if (!nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3)) { |
6ee73861 BS |
192 | ret = 0; |
193 | break; | |
194 | } | |
195 | DRM_UDELAY(1); | |
196 | } | |
197 | ||
198 | if (ret) { | |
846975a9 | 199 | nouveau_fbcon_gpu_lockup(info); |
6ee73861 BS |
200 | return 0; |
201 | } | |
202 | ||
203 | chan->accel_done = false; | |
204 | return 0; | |
205 | } | |
206 | ||
207 | static struct fb_ops nouveau_fbcon_ops = { | |
208 | .owner = THIS_MODULE, | |
209 | .fb_check_var = drm_fb_helper_check_var, | |
210 | .fb_set_par = drm_fb_helper_set_par, | |
ceed5f30 BS |
211 | .fb_fillrect = nouveau_fbcon_fillrect, |
212 | .fb_copyarea = nouveau_fbcon_copyarea, | |
213 | .fb_imageblit = nouveau_fbcon_imageblit, | |
6ee73861 BS |
214 | .fb_sync = nouveau_fbcon_sync, |
215 | .fb_pan_display = drm_fb_helper_pan_display, | |
216 | .fb_blank = drm_fb_helper_blank, | |
217 | .fb_setcmap = drm_fb_helper_setcmap, | |
be64c2bb CB |
218 | .fb_debug_enter = drm_fb_helper_debug_enter, |
219 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
6ee73861 BS |
220 | }; |
221 | ||
ceed5f30 | 222 | static struct fb_ops nouveau_fbcon_sw_ops = { |
126b5440 MK |
223 | .owner = THIS_MODULE, |
224 | .fb_check_var = drm_fb_helper_check_var, | |
225 | .fb_set_par = drm_fb_helper_set_par, | |
ceed5f30 BS |
226 | .fb_fillrect = cfb_fillrect, |
227 | .fb_copyarea = cfb_copyarea, | |
228 | .fb_imageblit = cfb_imageblit, | |
126b5440 MK |
229 | .fb_pan_display = drm_fb_helper_pan_display, |
230 | .fb_blank = drm_fb_helper_blank, | |
231 | .fb_setcmap = drm_fb_helper_setcmap, | |
be64c2bb CB |
232 | .fb_debug_enter = drm_fb_helper_debug_enter, |
233 | .fb_debug_leave = drm_fb_helper_debug_leave, | |
126b5440 MK |
234 | }; |
235 | ||
6ee73861 BS |
236 | static void nouveau_fbcon_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, |
237 | u16 blue, int regno) | |
238 | { | |
239 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
240 | ||
241 | nv_crtc->lut.r[regno] = red; | |
242 | nv_crtc->lut.g[regno] = green; | |
243 | nv_crtc->lut.b[regno] = blue; | |
244 | } | |
245 | ||
246 | static void nouveau_fbcon_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, | |
247 | u16 *blue, int regno) | |
248 | { | |
249 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); | |
250 | ||
251 | *red = nv_crtc->lut.r[regno]; | |
252 | *green = nv_crtc->lut.g[regno]; | |
253 | *blue = nv_crtc->lut.b[regno]; | |
254 | } | |
255 | ||
38651674 | 256 | static void |
8be48d92 | 257 | nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *nfbdev) |
6ee73861 | 258 | { |
8be48d92 | 259 | struct fb_info *info = nfbdev->helper.fbdev; |
6ee73861 BS |
260 | struct fb_fillrect rect; |
261 | ||
262 | /* Clear the entire fbcon. The drm will program every connector | |
263 | * with it's preferred mode. If the sizes differ, one display will | |
264 | * quite likely have garbage around the console. | |
265 | */ | |
266 | rect.dx = rect.dy = 0; | |
267 | rect.width = info->var.xres_virtual; | |
268 | rect.height = info->var.yres_virtual; | |
269 | rect.color = 0; | |
270 | rect.rop = ROP_COPY; | |
271 | info->fbops->fb_fillrect(info, &rect); | |
272 | } | |
273 | ||
274 | static int | |
8be48d92 DA |
275 | nouveau_fbcon_create(struct nouveau_fbdev *nfbdev, |
276 | struct drm_fb_helper_surface_size *sizes) | |
6ee73861 | 277 | { |
8be48d92 | 278 | struct drm_device *dev = nfbdev->dev; |
6ee73861 BS |
279 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
280 | struct fb_info *info; | |
6ee73861 BS |
281 | struct drm_framebuffer *fb; |
282 | struct nouveau_framebuffer *nouveau_fb; | |
45143cb5 | 283 | struct nouveau_channel *chan; |
6ee73861 | 284 | struct nouveau_bo *nvbo; |
308e5bcb | 285 | struct drm_mode_fb_cmd2 mode_cmd; |
1471ca9a MS |
286 | struct pci_dev *pdev = dev->pdev; |
287 | struct device *device = &pdev->dev; | |
6ee73861 BS |
288 | int size, ret; |
289 | ||
38651674 DA |
290 | mode_cmd.width = sizes->surface_width; |
291 | mode_cmd.height = sizes->surface_height; | |
6ee73861 | 292 | |
308e5bcb JB |
293 | mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3); |
294 | mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256); | |
6ee73861 | 295 | |
308e5bcb JB |
296 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
297 | sizes->surface_depth); | |
298 | ||
299 | size = mode_cmd.pitches[0] * mode_cmd.height; | |
1c7059e4 | 300 | size = roundup(size, PAGE_SIZE); |
6ee73861 | 301 | |
f6d4e621 BS |
302 | ret = nouveau_gem_new(dev, size, 0, NOUVEAU_GEM_DOMAIN_VRAM, |
303 | 0, 0x0000, &nvbo); | |
6ee73861 BS |
304 | if (ret) { |
305 | NV_ERROR(dev, "failed to allocate framebuffer\n"); | |
306 | goto out; | |
307 | } | |
308 | ||
309 | ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM); | |
310 | if (ret) { | |
311 | NV_ERROR(dev, "failed to pin fb: %d\n", ret); | |
312 | nouveau_bo_ref(NULL, &nvbo); | |
313 | goto out; | |
314 | } | |
315 | ||
316 | ret = nouveau_bo_map(nvbo); | |
317 | if (ret) { | |
318 | NV_ERROR(dev, "failed to map fb: %d\n", ret); | |
319 | nouveau_bo_unpin(nvbo); | |
320 | nouveau_bo_ref(NULL, &nvbo); | |
321 | goto out; | |
322 | } | |
323 | ||
45143cb5 BS |
324 | chan = nouveau_nofbaccel ? NULL : dev_priv->channel; |
325 | if (chan && dev_priv->card_type >= NV_50) { | |
326 | ret = nouveau_bo_vma_add(nvbo, chan->vm, &nfbdev->nouveau_fb.vma); | |
327 | if (ret) { | |
328 | NV_ERROR(dev, "failed to map fb into chan: %d\n", ret); | |
329 | chan = NULL; | |
330 | } | |
331 | } | |
332 | ||
6ee73861 BS |
333 | mutex_lock(&dev->struct_mutex); |
334 | ||
8be48d92 | 335 | info = framebuffer_alloc(0, device); |
6ee73861 | 336 | if (!info) { |
6ee73861 | 337 | ret = -ENOMEM; |
6ee73861 BS |
338 | goto out_unref; |
339 | } | |
340 | ||
4abe3520 DA |
341 | ret = fb_alloc_cmap(&info->cmap, 256, 0); |
342 | if (ret) { | |
6ee73861 BS |
343 | ret = -ENOMEM; |
344 | goto out_unref; | |
345 | } | |
346 | ||
8be48d92 | 347 | info->par = nfbdev; |
38651674 | 348 | |
8be48d92 | 349 | nouveau_framebuffer_init(dev, &nfbdev->nouveau_fb, &mode_cmd, nvbo); |
38651674 | 350 | |
8be48d92 DA |
351 | nouveau_fb = &nfbdev->nouveau_fb; |
352 | fb = &nouveau_fb->base; | |
38651674 | 353 | |
8be48d92 DA |
354 | /* setup helper */ |
355 | nfbdev->helper.fb = fb; | |
356 | nfbdev->helper.fbdev = info; | |
6ee73861 BS |
357 | |
358 | strcpy(info->fix.id, "nouveaufb"); | |
a32ed69d MK |
359 | if (nouveau_nofbaccel) |
360 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED; | |
361 | else | |
362 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | | |
363 | FBINFO_HWACCEL_FILLRECT | | |
364 | FBINFO_HWACCEL_IMAGEBLIT; | |
8fd4bd22 | 365 | info->flags |= FBINFO_CAN_FORCE_OUTPUT; |
ceed5f30 | 366 | info->fbops = &nouveau_fbcon_sw_ops; |
f01a9720 BS |
367 | info->fix.smem_start = nvbo->bo.mem.bus.base + |
368 | nvbo->bo.mem.bus.offset; | |
6ee73861 BS |
369 | info->fix.smem_len = size; |
370 | ||
371 | info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo); | |
372 | info->screen_size = size; | |
373 | ||
01f2c773 | 374 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
8be48d92 | 375 | drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height); |
6ee73861 | 376 | |
6ee73861 | 377 | /* Set aperture base/size for vesafb takeover */ |
06415c56 | 378 | info->apertures = dev_priv->apertures; |
1471ca9a MS |
379 | if (!info->apertures) { |
380 | ret = -ENOMEM; | |
381 | goto out_unref; | |
382 | } | |
383 | ||
6ee73861 BS |
384 | info->pixmap.size = 64*1024; |
385 | info->pixmap.buf_align = 8; | |
386 | info->pixmap.access_align = 32; | |
387 | info->pixmap.flags = FB_PIXMAP_SYSTEM; | |
388 | info->pixmap.scan_align = 1; | |
389 | ||
6a6b73f2 BS |
390 | mutex_unlock(&dev->struct_mutex); |
391 | ||
a32ed69d | 392 | if (dev_priv->channel && !nouveau_nofbaccel) { |
ceed5f30 BS |
393 | ret = -ENODEV; |
394 | if (dev_priv->card_type < NV_50) | |
395 | ret = nv04_fbcon_accel_init(info); | |
396 | else | |
397 | if (dev_priv->card_type < NV_C0) | |
398 | ret = nv50_fbcon_accel_init(info); | |
ddbaf79a BS |
399 | else |
400 | ret = nvc0_fbcon_accel_init(info); | |
ceed5f30 BS |
401 | |
402 | if (ret == 0) | |
403 | info->fbops = &nouveau_fbcon_ops; | |
0735f62e | 404 | } |
6ee73861 | 405 | |
8be48d92 | 406 | nouveau_fbcon_zfill(dev, nfbdev); |
6ee73861 BS |
407 | |
408 | /* To allow resizeing without swapping buffers */ | |
409 | NV_INFO(dev, "allocated %dx%d fb: 0x%lx, bo %p\n", | |
410 | nouveau_fb->base.width, | |
411 | nouveau_fb->base.height, | |
412 | nvbo->bo.offset, nvbo); | |
413 | ||
6a9ee8af | 414 | vga_switcheroo_client_fb_set(dev->pdev, info); |
6ee73861 BS |
415 | return 0; |
416 | ||
417 | out_unref: | |
418 | mutex_unlock(&dev->struct_mutex); | |
419 | out: | |
420 | return ret; | |
421 | } | |
422 | ||
38651674 | 423 | static int |
8be48d92 DA |
424 | nouveau_fbcon_find_or_create_single(struct drm_fb_helper *helper, |
425 | struct drm_fb_helper_surface_size *sizes) | |
6ee73861 | 426 | { |
8be48d92 | 427 | struct nouveau_fbdev *nfbdev = (struct nouveau_fbdev *)helper; |
38651674 DA |
428 | int new_fb = 0; |
429 | int ret; | |
430 | ||
8be48d92 DA |
431 | if (!helper->fb) { |
432 | ret = nouveau_fbcon_create(nfbdev, sizes); | |
38651674 DA |
433 | if (ret) |
434 | return ret; | |
38651674 | 435 | new_fb = 1; |
38651674 | 436 | } |
38651674 DA |
437 | return new_fb; |
438 | } | |
6ee73861 | 439 | |
eb1f8e4f DA |
440 | void |
441 | nouveau_fbcon_output_poll_changed(struct drm_device *dev) | |
6ee73861 | 442 | { |
4abe3520 | 443 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
eb1f8e4f | 444 | drm_fb_helper_hotplug_event(&dev_priv->nfbdev->helper); |
6ee73861 BS |
445 | } |
446 | ||
6e86e041 | 447 | static int |
8be48d92 | 448 | nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev) |
6ee73861 | 449 | { |
8be48d92 | 450 | struct nouveau_framebuffer *nouveau_fb = &nfbdev->nouveau_fb; |
6ee73861 BS |
451 | struct fb_info *info; |
452 | ||
8be48d92 DA |
453 | if (nfbdev->helper.fbdev) { |
454 | info = nfbdev->helper.fbdev; | |
6ee73861 | 455 | unregister_framebuffer(info); |
4abe3520 DA |
456 | if (info->cmap.len) |
457 | fb_dealloc_cmap(&info->cmap); | |
8be48d92 DA |
458 | framebuffer_release(info); |
459 | } | |
6ee73861 | 460 | |
8be48d92 | 461 | if (nouveau_fb->nvbo) { |
6ee73861 | 462 | nouveau_bo_unmap(nouveau_fb->nvbo); |
45143cb5 | 463 | nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma); |
bc9025bd | 464 | drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem); |
6ee73861 | 465 | nouveau_fb->nvbo = NULL; |
6ee73861 | 466 | } |
4abe3520 | 467 | drm_fb_helper_fini(&nfbdev->helper); |
38651674 | 468 | drm_framebuffer_cleanup(&nouveau_fb->base); |
6ee73861 BS |
469 | return 0; |
470 | } | |
846975a9 MS |
471 | |
472 | void nouveau_fbcon_gpu_lockup(struct fb_info *info) | |
473 | { | |
8be48d92 DA |
474 | struct nouveau_fbdev *nfbdev = info->par; |
475 | struct drm_device *dev = nfbdev->dev; | |
846975a9 MS |
476 | |
477 | NV_ERROR(dev, "GPU lockup - switching to software fbcon\n"); | |
478 | info->flags |= FBINFO_HWACCEL_DISABLED; | |
479 | } | |
38651674 | 480 | |
4abe3520 DA |
481 | static struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = { |
482 | .gamma_set = nouveau_fbcon_gamma_set, | |
483 | .gamma_get = nouveau_fbcon_gamma_get, | |
484 | .fb_probe = nouveau_fbcon_find_or_create_single, | |
4abe3520 DA |
485 | }; |
486 | ||
487 | ||
38651674 DA |
488 | int nouveau_fbcon_init(struct drm_device *dev) |
489 | { | |
8be48d92 DA |
490 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
491 | struct nouveau_fbdev *nfbdev; | |
1e482f75 | 492 | int preferred_bpp; |
5a79395b | 493 | int ret; |
8be48d92 DA |
494 | |
495 | nfbdev = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL); | |
496 | if (!nfbdev) | |
497 | return -ENOMEM; | |
498 | ||
499 | nfbdev->dev = dev; | |
500 | dev_priv->nfbdev = nfbdev; | |
4abe3520 | 501 | nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs; |
8be48d92 | 502 | |
77144554 FJ |
503 | ret = drm_fb_helper_init(dev, &nfbdev->helper, |
504 | nv_two_heads(dev) ? 2 : 1, 4); | |
5a79395b CW |
505 | if (ret) { |
506 | kfree(nfbdev); | |
507 | return ret; | |
508 | } | |
509 | ||
0b4c0f3f | 510 | drm_fb_helper_single_add_all_connectors(&nfbdev->helper); |
1e482f75 MS |
511 | |
512 | if (dev_priv->vram_size <= 32 * 1024 * 1024) | |
513 | preferred_bpp = 8; | |
514 | else if (dev_priv->vram_size <= 64 * 1024 * 1024) | |
515 | preferred_bpp = 16; | |
516 | else | |
517 | preferred_bpp = 32; | |
518 | ||
519 | drm_fb_helper_initial_config(&nfbdev->helper, preferred_bpp); | |
38651674 DA |
520 | return 0; |
521 | } | |
522 | ||
523 | void nouveau_fbcon_fini(struct drm_device *dev) | |
524 | { | |
525 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
8be48d92 DA |
526 | |
527 | if (!dev_priv->nfbdev) | |
528 | return; | |
529 | ||
38651674 | 530 | nouveau_fbcon_destroy(dev, dev_priv->nfbdev); |
8be48d92 | 531 | kfree(dev_priv->nfbdev); |
38651674 DA |
532 | dev_priv->nfbdev = NULL; |
533 | } | |
534 | ||
535 | void nouveau_fbcon_save_disable_accel(struct drm_device *dev) | |
536 | { | |
537 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
538 | ||
539 | dev_priv->nfbdev->saved_flags = dev_priv->nfbdev->helper.fbdev->flags; | |
540 | dev_priv->nfbdev->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; | |
541 | } | |
542 | ||
543 | void nouveau_fbcon_restore_accel(struct drm_device *dev) | |
544 | { | |
545 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
546 | dev_priv->nfbdev->helper.fbdev->flags = dev_priv->nfbdev->saved_flags; | |
547 | } | |
548 | ||
549 | void nouveau_fbcon_set_suspend(struct drm_device *dev, int state) | |
550 | { | |
551 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
cf41d53b BS |
552 | console_lock(); |
553 | if (state == 0) | |
554 | nouveau_fbcon_save_disable_accel(dev); | |
38651674 | 555 | fb_set_suspend(dev_priv->nfbdev->helper.fbdev, state); |
cf41d53b BS |
556 | if (state == 1) |
557 | nouveau_fbcon_restore_accel(dev); | |
558 | console_unlock(); | |
38651674 DA |
559 | } |
560 | ||
561 | void nouveau_fbcon_zfill_all(struct drm_device *dev) | |
562 | { | |
563 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
564 | nouveau_fbcon_zfill(dev, dev_priv->nfbdev); | |
565 | } |