blob: 1074bc5dd418e3a33b9214969dd850d0f230464d [file] [log] [blame]
Ben Skeggs6ee73862009-12-11 19:24:15 +10001/*
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>
Ben Skeggs6ee73862009-12-11 19:24:15 +100033#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>
Dave Airlie6a9ee8a2010-02-01 15:38:10 +100038#include <linux/vga_switcheroo.h>
Ben Skeggscf41d532011-11-09 14:31:16 +100039#include <linux/console.h>
Ben Skeggs6ee73862009-12-11 19:24:15 +100040
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
Ben Skeggsceed5f32010-10-05 16:41:29 +100053static void
54nouveau_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;
Ben Skeggs9acc8102010-10-14 14:55:23 +100065 if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
66 mutex_trylock(&dev_priv->channel->mutex)) {
Ben Skeggsceed5f32010-10-05 16:41:29 +100067 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);
Ben Skeggsddbaf792010-11-24 10:52:43 +100072 else
73 ret = nvc0_fbcon_fillrect(info, rect);
Ben Skeggs6a6b73f2010-10-05 16:53:48 +100074 mutex_unlock(&dev_priv->channel->mutex);
Ben Skeggsceed5f32010-10-05 16:41:29 +100075 }
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
85static void
86nouveau_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;
Ben Skeggs9acc8102010-10-14 14:55:23 +100097 if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
98 mutex_trylock(&dev_priv->channel->mutex)) {
Ben Skeggsceed5f32010-10-05 16:41:29 +100099 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);
Ben Skeggsddbaf792010-11-24 10:52:43 +1000104 else
105 ret = nvc0_fbcon_copyarea(info, image);
Ben Skeggs6a6b73f2010-10-05 16:53:48 +1000106 mutex_unlock(&dev_priv->channel->mutex);
Ben Skeggsceed5f32010-10-05 16:41:29 +1000107 }
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
117static void
118nouveau_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;
Ben Skeggs9acc8102010-10-14 14:55:23 +1000129 if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
130 mutex_trylock(&dev_priv->channel->mutex)) {
Ben Skeggsceed5f32010-10-05 16:41:29 +1000131 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);
Ben Skeggsddbaf792010-11-24 10:52:43 +1000136 else
137 ret = nvc0_fbcon_imageblit(info, image);
Ben Skeggs6a6b73f2010-10-05 16:53:48 +1000138 mutex_unlock(&dev_priv->channel->mutex);
Ben Skeggsceed5f32010-10-05 16:41:29 +1000139 }
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
Ben Skeggs6ee73862009-12-11 19:24:15 +1000149static int
150nouveau_fbcon_sync(struct fb_info *info)
151{
Dave Airlie8be48d92010-03-30 05:34:14 +0000152 struct nouveau_fbdev *nfbdev = info->par;
153 struct drm_device *dev = nfbdev->dev;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000154 struct drm_nouveau_private *dev_priv = dev->dev_private;
155 struct nouveau_channel *chan = dev_priv->channel;
Ben Skeggs78df3a12012-05-04 14:01:28 +1000156 int ret;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000157
Ben Skeggs6a6b73f2010-10-05 16:53:48 +1000158 if (!chan || !chan->accel_done || in_interrupt() ||
Ben Skeggs6ee73862009-12-11 19:24:15 +1000159 info->state != FBINFO_STATE_RUNNING ||
160 info->flags & FBINFO_HWACCEL_DISABLED)
161 return 0;
162
Ben Skeggs9acc8102010-10-14 14:55:23 +1000163 if (!mutex_trylock(&chan->mutex))
164 return 0;
165
Ben Skeggs78df3a12012-05-04 14:01:28 +1000166 ret = nouveau_channel_idle(chan);
Ben Skeggs6a6b73f2010-10-05 16:53:48 +1000167 mutex_unlock(&chan->mutex);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000168 if (ret) {
Marcin Slusarz846975a2010-01-04 19:25:09 +0100169 nouveau_fbcon_gpu_lockup(info);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000170 return 0;
171 }
172
173 chan->accel_done = false;
174 return 0;
175}
176
177static 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,
Ben Skeggsceed5f32010-10-05 16:41:29 +1000181 .fb_fillrect = nouveau_fbcon_fillrect,
182 .fb_copyarea = nouveau_fbcon_copyarea,
183 .fb_imageblit = nouveau_fbcon_imageblit,
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,
188 .fb_debug_enter = drm_fb_helper_debug_enter,
189 .fb_debug_leave = drm_fb_helper_debug_leave,
190};
191
192static struct fb_ops nouveau_fbcon_sw_ops = {
193 .owner = THIS_MODULE,
194 .fb_check_var = drm_fb_helper_check_var,
195 .fb_set_par = drm_fb_helper_set_par,
Ben Skeggs6ee73862009-12-11 19:24:15 +1000196 .fb_fillrect = cfb_fillrect,
197 .fb_copyarea = cfb_copyarea,
198 .fb_imageblit = cfb_imageblit,
Marcin Kościelnicki126b5442010-01-27 14:03:18 +0000199 .fb_pan_display = drm_fb_helper_pan_display,
200 .fb_blank = drm_fb_helper_blank,
201 .fb_setcmap = drm_fb_helper_setcmap,
Chris Ballbe64c2bb2010-09-26 06:47:24 -0500202 .fb_debug_enter = drm_fb_helper_debug_enter,
203 .fb_debug_leave = drm_fb_helper_debug_leave,
Marcin Kościelnicki126b5442010-01-27 14:03:18 +0000204};
205
Ben Skeggs6ee73862009-12-11 19:24:15 +1000206static 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
216static 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
Dave Airlie38651672010-03-30 05:34:13 +0000226static void
Dave Airlie8be48d92010-03-30 05:34:14 +0000227nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
Ben Skeggs6ee73862009-12-11 19:24:15 +1000228{
Dave Airlie8be48d92010-03-30 05:34:14 +0000229 struct fb_info *info = nfbdev->helper.fbdev;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000230 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
244static int
Dave Airlie8be48d92010-03-30 05:34:14 +0000245nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
246 struct drm_fb_helper_surface_size *sizes)
Ben Skeggs6ee73862009-12-11 19:24:15 +1000247{
Dave Airlie8be48d92010-03-30 05:34:14 +0000248 struct drm_device *dev = nfbdev->dev;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000249 struct drm_nouveau_private *dev_priv = dev->dev_private;
250 struct fb_info *info;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000251 struct drm_framebuffer *fb;
252 struct nouveau_framebuffer *nouveau_fb;
Ben Skeggs45143cb2011-06-07 13:12:44 +1000253 struct nouveau_channel *chan;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000254 struct nouveau_bo *nvbo;
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800255 struct drm_mode_fb_cmd2 mode_cmd;
Marcin Slusarz1471ca92010-05-16 17:27:03 +0200256 struct pci_dev *pdev = dev->pdev;
257 struct device *device = &pdev->dev;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000258 int size, ret;
259
Dave Airlie38651672010-03-30 05:34:13 +0000260 mode_cmd.width = sizes->surface_width;
261 mode_cmd.height = sizes->surface_height;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000262
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800263 mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3);
264 mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000265
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800266 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;
Maarten Maathuis1c7059e2009-12-25 18:51:17 +0100270 size = roundup(size, PAGE_SIZE);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000271
Ben Skeggsf6d4e622011-06-07 12:25:36 +1000272 ret = nouveau_gem_new(dev, size, 0, NOUVEAU_GEM_DOMAIN_VRAM,
273 0, 0x0000, &nvbo);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000274 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
Ben Skeggs45143cb2011-06-07 13:12:44 +1000294 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
Ben Skeggs6ee73862009-12-11 19:24:15 +1000303 mutex_lock(&dev->struct_mutex);
304
Dave Airlie8be48d92010-03-30 05:34:14 +0000305 info = framebuffer_alloc(0, device);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000306 if (!info) {
307 ret = -ENOMEM;
308 goto out_unref;
309 }
310
Dave Airlie4abe3522010-03-30 05:34:18 +0000311 ret = fb_alloc_cmap(&info->cmap, 256, 0);
312 if (ret) {
313 ret = -ENOMEM;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000314 goto out_unref;
Dave Airlie4abe3522010-03-30 05:34:18 +0000315 }
316
Dave Airlie8be48d92010-03-30 05:34:14 +0000317 info->par = nfbdev;
Dave Airlie38651672010-03-30 05:34:13 +0000318
Dave Airlie8be48d92010-03-30 05:34:14 +0000319 nouveau_framebuffer_init(dev, &nfbdev->nouveau_fb, &mode_cmd, nvbo);
320
321 nouveau_fb = &nfbdev->nouveau_fb;
322 fb = &nouveau_fb->base;
323
Dave Airlie38651672010-03-30 05:34:13 +0000324 /* setup helper */
Dave Airlie8be48d92010-03-30 05:34:14 +0000325 nfbdev->helper.fb = fb;
326 nfbdev->helper.fbdev = info;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000327
328 strcpy(info->fix.id, "nouveaufb");
Marcin Kościelnickia32ed692010-01-26 14:00:42 +0000329 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;
Jesse Barnes8fd4bd22010-06-23 12:56:12 -0700335 info->flags |= FBINFO_CAN_FORCE_OUTPUT;
Ben Skeggsceed5f32010-10-05 16:41:29 +1000336 info->fbops = &nouveau_fbcon_sw_ops;
Ben Skeggsf01a9722011-01-17 11:22:38 +1000337 info->fix.smem_start = nvbo->bo.mem.bus.base +
338 nvbo->bo.mem.bus.offset;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000339 info->fix.smem_len = size;
340
341 info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo);
342 info->screen_size = size;
343
Ville Syrjälä01f2c772011-12-20 00:06:49 +0200344 drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
Dave Airlie8be48d92010-03-30 05:34:14 +0000345 drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000346
Ben Skeggs6ee73862009-12-11 19:24:15 +1000347 /* Set aperture base/size for vesafb takeover */
Marcin Slusarz06415c52010-05-16 17:29:56 +0200348 info->apertures = dev_priv->apertures;
Marcin Slusarz1471ca92010-05-16 17:27:03 +0200349 if (!info->apertures) {
350 ret = -ENOMEM;
351 goto out_unref;
352 }
353
Sascha Hauerfb2a99e2012-02-06 10:58:19 +0100354 /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
Ben Skeggs6ee73862009-12-11 19:24:15 +1000355
Ben Skeggs6a6b73f2010-10-05 16:53:48 +1000356 mutex_unlock(&dev->struct_mutex);
357
Marcin Kościelnickia32ed692010-01-26 14:00:42 +0000358 if (dev_priv->channel && !nouveau_nofbaccel) {
Ben Skeggsceed5f32010-10-05 16:41:29 +1000359 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);
Ben Skeggsddbaf792010-11-24 10:52:43 +1000365 else
366 ret = nvc0_fbcon_accel_init(info);
Ben Skeggsceed5f32010-10-05 16:41:29 +1000367
368 if (ret == 0)
369 info->fbops = &nouveau_fbcon_ops;
Ben Skeggs0735f622009-12-16 14:28:55 +1000370 }
Ben Skeggs6ee73862009-12-11 19:24:15 +1000371
Dave Airlie8be48d92010-03-30 05:34:14 +0000372 nouveau_fbcon_zfill(dev, nfbdev);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000373
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
Dave Airlie6a9ee8a2010-02-01 15:38:10 +1000380 vga_switcheroo_client_fb_set(dev->pdev, info);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000381 return 0;
382
383out_unref:
384 mutex_unlock(&dev->struct_mutex);
385out:
386 return ret;
387}
388
Dave Airlie38651672010-03-30 05:34:13 +0000389static int
Dave Airlie8be48d92010-03-30 05:34:14 +0000390nouveau_fbcon_find_or_create_single(struct drm_fb_helper *helper,
391 struct drm_fb_helper_surface_size *sizes)
Ben Skeggs6ee73862009-12-11 19:24:15 +1000392{
Dave Airlie8be48d92010-03-30 05:34:14 +0000393 struct nouveau_fbdev *nfbdev = (struct nouveau_fbdev *)helper;
Dave Airlie38651672010-03-30 05:34:13 +0000394 int new_fb = 0;
395 int ret;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000396
Dave Airlie8be48d92010-03-30 05:34:14 +0000397 if (!helper->fb) {
398 ret = nouveau_fbcon_create(nfbdev, sizes);
Dave Airlie38651672010-03-30 05:34:13 +0000399 if (ret)
400 return ret;
Dave Airlie38651672010-03-30 05:34:13 +0000401 new_fb = 1;
Dave Airlie38651672010-03-30 05:34:13 +0000402 }
Dave Airlie38651672010-03-30 05:34:13 +0000403 return new_fb;
404}
405
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000406void
407nouveau_fbcon_output_poll_changed(struct drm_device *dev)
Ben Skeggs6ee73862009-12-11 19:24:15 +1000408{
Dave Airlie4abe3522010-03-30 05:34:18 +0000409 struct drm_nouveau_private *dev_priv = dev->dev_private;
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000410 drm_fb_helper_hotplug_event(&dev_priv->nfbdev->helper);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000411}
412
Francisco Jerez6e86e042010-07-03 18:36:39 +0200413static int
Dave Airlie8be48d92010-03-30 05:34:14 +0000414nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
Ben Skeggs6ee73862009-12-11 19:24:15 +1000415{
Dave Airlie8be48d92010-03-30 05:34:14 +0000416 struct nouveau_framebuffer *nouveau_fb = &nfbdev->nouveau_fb;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000417 struct fb_info *info;
418
Dave Airlie8be48d92010-03-30 05:34:14 +0000419 if (nfbdev->helper.fbdev) {
420 info = nfbdev->helper.fbdev;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000421 unregister_framebuffer(info);
Dave Airlie4abe3522010-03-30 05:34:18 +0000422 if (info->cmap.len)
423 fb_dealloc_cmap(&info->cmap);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000424 framebuffer_release(info);
425 }
426
Dave Airlie8be48d92010-03-30 05:34:14 +0000427 if (nouveau_fb->nvbo) {
428 nouveau_bo_unmap(nouveau_fb->nvbo);
Ben Skeggs45143cb2011-06-07 13:12:44 +1000429 nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma);
Dave Airlie8be48d92010-03-30 05:34:14 +0000430 drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
431 nouveau_fb->nvbo = NULL;
432 }
Dave Airlie4abe3522010-03-30 05:34:18 +0000433 drm_fb_helper_fini(&nfbdev->helper);
Dave Airlie38651672010-03-30 05:34:13 +0000434 drm_framebuffer_cleanup(&nouveau_fb->base);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000435 return 0;
436}
Marcin Slusarz846975a2010-01-04 19:25:09 +0100437
438void nouveau_fbcon_gpu_lockup(struct fb_info *info)
439{
Dave Airlie8be48d92010-03-30 05:34:14 +0000440 struct nouveau_fbdev *nfbdev = info->par;
441 struct drm_device *dev = nfbdev->dev;
Marcin Slusarz846975a2010-01-04 19:25:09 +0100442
443 NV_ERROR(dev, "GPU lockup - switching to software fbcon\n");
444 info->flags |= FBINFO_HWACCEL_DISABLED;
445}
Dave Airlie38651672010-03-30 05:34:13 +0000446
Dave Airlie4abe3522010-03-30 05:34:18 +0000447static 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,
Dave Airlie4abe3522010-03-30 05:34:18 +0000451};
452
453
Dave Airlie38651672010-03-30 05:34:13 +0000454int nouveau_fbcon_init(struct drm_device *dev)
455{
Dave Airlie8be48d92010-03-30 05:34:14 +0000456 struct drm_nouveau_private *dev_priv = dev->dev_private;
457 struct nouveau_fbdev *nfbdev;
Marcin Slusarz1e482f72011-11-06 20:32:04 +0100458 int preferred_bpp;
Chris Wilson5a793952010-06-06 10:50:03 +0100459 int ret;
Dave Airlie8be48d92010-03-30 05:34:14 +0000460
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;
Dave Airlie4abe3522010-03-30 05:34:18 +0000467 nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs;
Dave Airlie8be48d92010-03-30 05:34:14 +0000468
Francisco Jerez77144552010-07-10 17:37:00 +0200469 ret = drm_fb_helper_init(dev, &nfbdev->helper,
Ben Skeggs9bd0c152012-06-26 12:12:30 +1000470 dev->mode_config.num_crtc, 4);
Chris Wilson5a793952010-06-06 10:50:03 +0100471 if (ret) {
472 kfree(nfbdev);
473 return ret;
474 }
475
Dave Airlie0b4c0f32010-03-30 05:34:15 +0000476 drm_fb_helper_single_add_all_connectors(&nfbdev->helper);
Marcin Slusarz1e482f72011-11-06 20:32:04 +0100477
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);
Dave Airlie38651672010-03-30 05:34:13 +0000486 return 0;
487}
488
489void nouveau_fbcon_fini(struct drm_device *dev)
490{
491 struct drm_nouveau_private *dev_priv = dev->dev_private;
Dave Airlie8be48d92010-03-30 05:34:14 +0000492
493 if (!dev_priv->nfbdev)
494 return;
495
Dave Airlie38651672010-03-30 05:34:13 +0000496 nouveau_fbcon_destroy(dev, dev_priv->nfbdev);
Dave Airlie8be48d92010-03-30 05:34:14 +0000497 kfree(dev_priv->nfbdev);
Dave Airlie38651672010-03-30 05:34:13 +0000498 dev_priv->nfbdev = NULL;
499}
500
501void 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
509void 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
515void nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
516{
517 struct drm_nouveau_private *dev_priv = dev->dev_private;
Ben Skeggscf41d532011-11-09 14:31:16 +1000518 console_lock();
519 if (state == 0)
520 nouveau_fbcon_save_disable_accel(dev);
Dave Airlie38651672010-03-30 05:34:13 +0000521 fb_set_suspend(dev_priv->nfbdev->helper.fbdev, state);
Ben Skeggscf41d532011-11-09 14:31:16 +1000522 if (state == 1)
523 nouveau_fbcon_restore_accel(dev);
524 console_unlock();
Dave Airlie38651672010-03-30 05:34:13 +0000525}
526
527void 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}