blob: 7687a77f01d1e0677b2e47d6a31c1ae8e9934625 [file] [log] [blame]
Ben Skeggs6ee73862009-12-11 19:24:15 +10001/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include "drmP.h"
28#include "drm_crtc_helper.h"
29#include "nouveau_drv.h"
30#include "nouveau_fb.h"
31#include "nouveau_fbcon.h"
Francisco Jerez042206c2010-10-21 18:19:29 +020032#include "nouveau_hw.h"
Francisco Jerez332b2422010-10-20 23:35:40 +020033#include "nouveau_crtc.h"
34#include "nouveau_dma.h"
Ben Skeggs45c4e0a2011-02-09 11:57:45 +100035#include "nv50_display.h"
Ben Skeggs6ee73862009-12-11 19:24:15 +100036
37static void
38nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
39{
40 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
Ben Skeggs6ee73862009-12-11 19:24:15 +100041
Luca Barbieribc9025b2010-02-09 05:49:12 +000042 if (fb->nvbo)
43 drm_gem_object_unreference_unlocked(fb->nvbo->gem);
Ben Skeggs6ee73862009-12-11 19:24:15 +100044
45 drm_framebuffer_cleanup(drm_fb);
46 kfree(fb);
47}
48
49static int
50nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
51 struct drm_file *file_priv,
52 unsigned int *handle)
53{
54 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
55
56 return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
57}
58
59static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
60 .destroy = nouveau_user_framebuffer_destroy,
61 .create_handle = nouveau_user_framebuffer_create_handle,
62};
63
Dave Airlie38651672010-03-30 05:34:13 +000064int
Ben Skeggs45c4e0a2011-02-09 11:57:45 +100065nouveau_framebuffer_init(struct drm_device *dev,
66 struct nouveau_framebuffer *nv_fb,
Jesse Barnes308e5bc2011-11-14 14:51:28 -080067 struct drm_mode_fb_cmd2 *mode_cmd,
Ben Skeggs45c4e0a2011-02-09 11:57:45 +100068 struct nouveau_bo *nvbo)
Ben Skeggs6ee73862009-12-11 19:24:15 +100069{
Ben Skeggs45c4e0a2011-02-09 11:57:45 +100070 struct drm_nouveau_private *dev_priv = dev->dev_private;
71 struct drm_framebuffer *fb = &nv_fb->base;
Ben Skeggs6ee73862009-12-11 19:24:15 +100072 int ret;
73
Ben Skeggs45c4e0a2011-02-09 11:57:45 +100074 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
Ben Skeggs6ee73862009-12-11 19:24:15 +100075 if (ret) {
Dave Airlie38651672010-03-30 05:34:13 +000076 return ret;
Ben Skeggs6ee73862009-12-11 19:24:15 +100077 }
78
Ben Skeggs45c4e0a2011-02-09 11:57:45 +100079 drm_helper_mode_fill_fb_struct(fb, mode_cmd);
80 nv_fb->nvbo = nvbo;
81
82 if (dev_priv->card_type >= NV_50) {
83 u32 tile_flags = nouveau_bo_tile_layout(nvbo);
84 if (tile_flags == 0x7a00 ||
85 tile_flags == 0xfe00)
86 nv_fb->r_dma = NvEvoFB32;
87 else
88 if (tile_flags == 0x7000)
89 nv_fb->r_dma = NvEvoFB16;
90 else
91 nv_fb->r_dma = NvEvoVRAM_LP;
92
93 switch (fb->depth) {
94 case 8: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_8; break;
95 case 15: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_15; break;
96 case 16: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_16; break;
97 case 24:
98 case 32: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_24; break;
99 case 30: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_30; break;
100 default:
101 NV_ERROR(dev, "unknown depth %d\n", fb->depth);
102 return -EINVAL;
103 }
104
105 if (dev_priv->chipset == 0x50)
106 nv_fb->r_format |= (tile_flags << 8);
107
Ben Skeggs2fad3d52011-07-06 09:59:40 +1000108 if (!tile_flags) {
109 if (dev_priv->card_type < NV_D0)
110 nv_fb->r_pitch = 0x00100000 | fb->pitch;
111 else
112 nv_fb->r_pitch = 0x01000000 | fb->pitch;
113 } else {
Ben Skeggs45c4e0a2011-02-09 11:57:45 +1000114 u32 mode = nvbo->tile_mode;
115 if (dev_priv->card_type >= NV_C0)
116 mode >>= 4;
117 nv_fb->r_pitch = ((fb->pitch / 4) << 4) | mode;
118 }
119 }
120
Dave Airlie38651672010-03-30 05:34:13 +0000121 return 0;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000122}
123
124static struct drm_framebuffer *
125nouveau_user_framebuffer_create(struct drm_device *dev,
126 struct drm_file *file_priv,
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800127 struct drm_mode_fb_cmd2 *mode_cmd)
Ben Skeggs6ee73862009-12-11 19:24:15 +1000128{
Dave Airlie38651672010-03-30 05:34:13 +0000129 struct nouveau_framebuffer *nouveau_fb;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000130 struct drm_gem_object *gem;
Dave Airlie38651672010-03-30 05:34:13 +0000131 int ret;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000132
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800133 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000134 if (!gem)
Chris Wilsoncce13ff2010-08-08 13:36:38 +0100135 return ERR_PTR(-ENOENT);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000136
Dave Airlie38651672010-03-30 05:34:13 +0000137 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
138 if (!nouveau_fb)
Chris Wilsoncce13ff2010-08-08 13:36:38 +0100139 return ERR_PTR(-ENOMEM);
Dave Airlie38651672010-03-30 05:34:13 +0000140
141 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
142 if (ret) {
Ben Skeggs6ee73862009-12-11 19:24:15 +1000143 drm_gem_object_unreference(gem);
Chris Wilsoncce13ff2010-08-08 13:36:38 +0100144 return ERR_PTR(ret);
Ben Skeggs6ee73862009-12-11 19:24:15 +1000145 }
146
Dave Airlie38651672010-03-30 05:34:13 +0000147 return &nouveau_fb->base;
Ben Skeggs6ee73862009-12-11 19:24:15 +1000148}
149
150const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
151 .fb_create = nouveau_user_framebuffer_create,
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000152 .output_poll_changed = nouveau_fbcon_output_poll_changed,
Ben Skeggs6ee73862009-12-11 19:24:15 +1000153};
154
Francisco Jerez042206c2010-10-21 18:19:29 +0200155int
156nouveau_vblank_enable(struct drm_device *dev, int crtc)
157{
158 struct drm_nouveau_private *dev_priv = dev->dev_private;
159
160 if (dev_priv->card_type >= NV_50)
161 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0,
162 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc));
163 else
164 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0,
165 NV_PCRTC_INTR_0_VBLANK);
166
167 return 0;
168}
169
170void
171nouveau_vblank_disable(struct drm_device *dev, int crtc)
172{
173 struct drm_nouveau_private *dev_priv = dev->dev_private;
174
175 if (dev_priv->card_type >= NV_50)
176 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1,
177 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0);
178 else
179 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0);
180}
Francisco Jerez332b2422010-10-20 23:35:40 +0200181
182static int
183nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
184 struct nouveau_bo *new_bo)
185{
186 int ret;
187
188 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
189 if (ret)
190 return ret;
191
192 ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0);
193 if (ret)
194 goto fail;
195
196 ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
197 if (ret)
198 goto fail_unreserve;
199
200 return 0;
201
202fail_unreserve:
203 ttm_bo_unreserve(&new_bo->bo);
204fail:
205 nouveau_bo_unpin(new_bo);
206 return ret;
207}
208
209static void
210nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
211 struct nouveau_bo *new_bo,
212 struct nouveau_fence *fence)
213{
214 nouveau_bo_fence(new_bo, fence);
215 ttm_bo_unreserve(&new_bo->bo);
216
217 nouveau_bo_fence(old_bo, fence);
218 ttm_bo_unreserve(&old_bo->bo);
219
220 nouveau_bo_unpin(old_bo);
221}
222
223static int
224nouveau_page_flip_emit(struct nouveau_channel *chan,
225 struct nouveau_bo *old_bo,
226 struct nouveau_bo *new_bo,
227 struct nouveau_page_flip_state *s,
228 struct nouveau_fence **pfence)
229{
Ben Skeggsbd2f2032011-02-08 15:16:23 +1000230 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
Francisco Jerez332b2422010-10-20 23:35:40 +0200231 struct drm_device *dev = chan->dev;
232 unsigned long flags;
233 int ret;
234
235 /* Queue it to the pending list */
236 spin_lock_irqsave(&dev->event_lock, flags);
237 list_add_tail(&s->head, &chan->nvsw.flip);
238 spin_unlock_irqrestore(&dev->event_lock, flags);
239
240 /* Synchronize with the old framebuffer */
241 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
242 if (ret)
243 goto fail;
244
245 /* Emit the pageflip */
246 ret = RING_SPACE(chan, 2);
247 if (ret)
248 goto fail;
249
Ben Skeggsbd2f2032011-02-08 15:16:23 +1000250 if (dev_priv->card_type < NV_C0)
251 BEGIN_RING(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
252 else
253 BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0500, 1);
254 OUT_RING (chan, 0);
255 FIRE_RING (chan);
Francisco Jerez332b2422010-10-20 23:35:40 +0200256
257 ret = nouveau_fence_new(chan, pfence, true);
258 if (ret)
259 goto fail;
260
261 return 0;
262fail:
263 spin_lock_irqsave(&dev->event_lock, flags);
264 list_del(&s->head);
265 spin_unlock_irqrestore(&dev->event_lock, flags);
266 return ret;
267}
268
269int
270nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
271 struct drm_pending_vblank_event *event)
272{
273 struct drm_device *dev = crtc->dev;
274 struct drm_nouveau_private *dev_priv = dev->dev_private;
275 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
276 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
277 struct nouveau_page_flip_state *s;
278 struct nouveau_channel *chan;
279 struct nouveau_fence *fence;
280 int ret;
281
Ben Skeggsa82dd492011-04-01 13:56:05 +1000282 if (!dev_priv->channel)
Francisco Jerez332b2422010-10-20 23:35:40 +0200283 return -ENODEV;
284
285 s = kzalloc(sizeof(*s), GFP_KERNEL);
286 if (!s)
287 return -ENOMEM;
288
289 /* Don't let the buffers go away while we flip */
290 ret = nouveau_page_flip_reserve(old_bo, new_bo);
291 if (ret)
292 goto fail_free;
293
294 /* Initialize a page flip struct */
295 *s = (struct nouveau_page_flip_state)
Benjamin Franzke2503c6f2011-02-16 10:04:48 +0100296 { { }, event, nouveau_crtc(crtc)->index,
Francisco Jerez332b2422010-10-20 23:35:40 +0200297 fb->bits_per_pixel, fb->pitch, crtc->x, crtc->y,
298 new_bo->bo.offset };
299
300 /* Choose the channel the flip will be handled in */
301 chan = nouveau_fence_channel(new_bo->bo.sync_obj);
302 if (!chan)
303 chan = nouveau_channel_get_unlocked(dev_priv->channel);
304 mutex_lock(&chan->mutex);
305
306 /* Emit a page flip */
Ben Skeggsd7117e02011-02-07 14:27:04 +1000307 if (dev_priv->card_type >= NV_50) {
308 ret = nv50_display_flip_next(crtc, fb, chan);
309 if (ret) {
310 nouveau_channel_put(&chan);
311 goto fail_unreserve;
312 }
313 }
314
Francisco Jerez332b2422010-10-20 23:35:40 +0200315 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
316 nouveau_channel_put(&chan);
317 if (ret)
318 goto fail_unreserve;
319
320 /* Update the crtc struct and cleanup */
321 crtc->fb = fb;
322
323 nouveau_page_flip_unreserve(old_bo, new_bo, fence);
324 nouveau_fence_unref(&fence);
325 return 0;
326
327fail_unreserve:
328 nouveau_page_flip_unreserve(old_bo, new_bo, NULL);
329fail_free:
330 kfree(s);
331 return ret;
332}
333
334int
335nouveau_finish_page_flip(struct nouveau_channel *chan,
336 struct nouveau_page_flip_state *ps)
337{
338 struct drm_device *dev = chan->dev;
339 struct nouveau_page_flip_state *s;
340 unsigned long flags;
341
342 spin_lock_irqsave(&dev->event_lock, flags);
343
344 if (list_empty(&chan->nvsw.flip)) {
345 NV_ERROR(dev, "Unexpected pageflip in channel %d.\n", chan->id);
346 spin_unlock_irqrestore(&dev->event_lock, flags);
347 return -EINVAL;
348 }
349
350 s = list_first_entry(&chan->nvsw.flip,
351 struct nouveau_page_flip_state, head);
352 if (s->event) {
353 struct drm_pending_vblank_event *e = s->event;
354 struct timeval now;
355
356 do_gettimeofday(&now);
357 e->event.sequence = 0;
358 e->event.tv_sec = now.tv_sec;
359 e->event.tv_usec = now.tv_usec;
360 list_add_tail(&e->base.link, &e->base.file_priv->event_list);
361 wake_up_interruptible(&e->base.file_priv->event_wait);
362 }
363
364 list_del(&s->head);
Ben Skeggsd7117e02011-02-07 14:27:04 +1000365 if (ps)
366 *ps = *s;
Francisco Jerez332b2422010-10-20 23:35:40 +0200367 kfree(s);
368
369 spin_unlock_irqrestore(&dev->event_lock, flags);
370 return 0;
371}