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1/*
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"
32#include "nouveau_hw.h"
33#include "nouveau_crtc.h"
34#include "nouveau_dma.h"
35#include "nv50_display.h"
36
37static void
38nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
39{
40 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
41
42 if (fb->nvbo)
43 drm_gem_object_unreference_unlocked(fb->nvbo->gem);
44
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
64int
65nouveau_framebuffer_init(struct drm_device *dev,
66 struct nouveau_framebuffer *nv_fb,
67 struct drm_mode_fb_cmd *mode_cmd,
68 struct nouveau_bo *nvbo)
69{
70 struct drm_nouveau_private *dev_priv = dev->dev_private;
71 struct drm_framebuffer *fb = &nv_fb->base;
72 int ret;
73
74 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
75 if (ret) {
76 return ret;
77 }
78
79 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
108 if (!tile_flags)
109 nv_fb->r_pitch = 0x00100000 | fb->pitch;
110 else {
111 u32 mode = nvbo->tile_mode;
112 if (dev_priv->card_type >= NV_C0)
113 mode >>= 4;
114 nv_fb->r_pitch = ((fb->pitch / 4) << 4) | mode;
115 }
116 }
117
118 return 0;
119}
120
121static struct drm_framebuffer *
122nouveau_user_framebuffer_create(struct drm_device *dev,
123 struct drm_file *file_priv,
124 struct drm_mode_fb_cmd *mode_cmd)
125{
126 struct nouveau_framebuffer *nouveau_fb;
127 struct drm_gem_object *gem;
128 int ret;
129
130 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
131 if (!gem)
132 return ERR_PTR(-ENOENT);
133
134 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
135 if (!nouveau_fb)
136 return ERR_PTR(-ENOMEM);
137
138 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
139 if (ret) {
140 drm_gem_object_unreference(gem);
141 return ERR_PTR(ret);
142 }
143
144 return &nouveau_fb->base;
145}
146
147const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
148 .fb_create = nouveau_user_framebuffer_create,
149 .output_poll_changed = nouveau_fbcon_output_poll_changed,
150};
151
152int
153nouveau_vblank_enable(struct drm_device *dev, int crtc)
154{
155 struct drm_nouveau_private *dev_priv = dev->dev_private;
156
157 if (dev_priv->card_type >= NV_50)
158 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0,
159 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc));
160 else
161 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0,
162 NV_PCRTC_INTR_0_VBLANK);
163
164 return 0;
165}
166
167void
168nouveau_vblank_disable(struct drm_device *dev, int crtc)
169{
170 struct drm_nouveau_private *dev_priv = dev->dev_private;
171
172 if (dev_priv->card_type >= NV_50)
173 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1,
174 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0);
175 else
176 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0);
177}
178
179static int
180nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
181 struct nouveau_bo *new_bo)
182{
183 int ret;
184
185 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
186 if (ret)
187 return ret;
188
189 ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0);
190 if (ret)
191 goto fail;
192
193 ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
194 if (ret)
195 goto fail_unreserve;
196
197 return 0;
198
199fail_unreserve:
200 ttm_bo_unreserve(&new_bo->bo);
201fail:
202 nouveau_bo_unpin(new_bo);
203 return ret;
204}
205
206static void
207nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
208 struct nouveau_bo *new_bo,
209 struct nouveau_fence *fence)
210{
211 nouveau_bo_fence(new_bo, fence);
212 ttm_bo_unreserve(&new_bo->bo);
213
214 nouveau_bo_fence(old_bo, fence);
215 ttm_bo_unreserve(&old_bo->bo);
216
217 nouveau_bo_unpin(old_bo);
218}
219
220static int
221nouveau_page_flip_emit(struct nouveau_channel *chan,
222 struct nouveau_bo *old_bo,
223 struct nouveau_bo *new_bo,
224 struct nouveau_page_flip_state *s,
225 struct nouveau_fence **pfence)
226{
227 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
228 struct drm_device *dev = chan->dev;
229 unsigned long flags;
230 int ret;
231
232 /* Queue it to the pending list */
233 spin_lock_irqsave(&dev->event_lock, flags);
234 list_add_tail(&s->head, &chan->nvsw.flip);
235 spin_unlock_irqrestore(&dev->event_lock, flags);
236
237 /* Synchronize with the old framebuffer */
238 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
239 if (ret)
240 goto fail;
241
242 /* Emit the pageflip */
243 ret = RING_SPACE(chan, 2);
244 if (ret)
245 goto fail;
246
247 if (dev_priv->card_type < NV_C0)
248 BEGIN_RING(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
249 else
250 BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0500, 1);
251 OUT_RING (chan, 0);
252 FIRE_RING (chan);
253
254 ret = nouveau_fence_new(chan, pfence, true);
255 if (ret)
256 goto fail;
257
258 return 0;
259fail:
260 spin_lock_irqsave(&dev->event_lock, flags);
261 list_del(&s->head);
262 spin_unlock_irqrestore(&dev->event_lock, flags);
263 return ret;
264}
265
266int
267nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
268 struct drm_pending_vblank_event *event)
269{
270 struct drm_device *dev = crtc->dev;
271 struct drm_nouveau_private *dev_priv = dev->dev_private;
272 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
273 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
274 struct nouveau_page_flip_state *s;
275 struct nouveau_channel *chan;
276 struct nouveau_fence *fence;
277 int ret;
278
279 if (!dev_priv->channel)
280 return -ENODEV;
281
282 s = kzalloc(sizeof(*s), GFP_KERNEL);
283 if (!s)
284 return -ENOMEM;
285
286 /* Don't let the buffers go away while we flip */
287 ret = nouveau_page_flip_reserve(old_bo, new_bo);
288 if (ret)
289 goto fail_free;
290
291 /* Initialize a page flip struct */
292 *s = (struct nouveau_page_flip_state)
293 { { }, event, nouveau_crtc(crtc)->index,
294 fb->bits_per_pixel, fb->pitch, crtc->x, crtc->y,
295 new_bo->bo.offset };
296
297 /* Choose the channel the flip will be handled in */
298 chan = nouveau_fence_channel(new_bo->bo.sync_obj);
299 if (!chan)
300 chan = nouveau_channel_get_unlocked(dev_priv->channel);
301 mutex_lock(&chan->mutex);
302
303 /* Emit a page flip */
304 if (dev_priv->card_type >= NV_50) {
305 ret = nv50_display_flip_next(crtc, fb, chan);
306 if (ret) {
307 nouveau_channel_put(&chan);
308 goto fail_unreserve;
309 }
310 }
311
312 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
313 nouveau_channel_put(&chan);
314 if (ret)
315 goto fail_unreserve;
316
317 /* Update the crtc struct and cleanup */
318 crtc->fb = fb;
319
320 nouveau_page_flip_unreserve(old_bo, new_bo, fence);
321 nouveau_fence_unref(&fence);
322 return 0;
323
324fail_unreserve:
325 nouveau_page_flip_unreserve(old_bo, new_bo, NULL);
326fail_free:
327 kfree(s);
328 return ret;
329}
330
331int
332nouveau_finish_page_flip(struct nouveau_channel *chan,
333 struct nouveau_page_flip_state *ps)
334{
335 struct drm_device *dev = chan->dev;
336 struct nouveau_page_flip_state *s;
337 unsigned long flags;
338
339 spin_lock_irqsave(&dev->event_lock, flags);
340
341 if (list_empty(&chan->nvsw.flip)) {
342 NV_ERROR(dev, "Unexpected pageflip in channel %d.\n", chan->id);
343 spin_unlock_irqrestore(&dev->event_lock, flags);
344 return -EINVAL;
345 }
346
347 s = list_first_entry(&chan->nvsw.flip,
348 struct nouveau_page_flip_state, head);
349 if (s->event) {
350 struct drm_pending_vblank_event *e = s->event;
351 struct timeval now;
352
353 do_gettimeofday(&now);
354 e->event.sequence = 0;
355 e->event.tv_sec = now.tv_sec;
356 e->event.tv_usec = now.tv_usec;
357 list_add_tail(&e->base.link, &e->base.file_priv->event_list);
358 wake_up_interruptible(&e->base.file_priv->event_wait);
359 }
360
361 list_del(&s->head);
362 if (ps)
363 *ps = *s;
364 kfree(s);
365
366 spin_unlock_irqrestore(&dev->event_lock, flags);
367 return 0;
368}
1/*
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 <drm/drmP.h>
28#include <drm/drm_crtc_helper.h>
29
30#include <nvif/class.h>
31
32#include "nouveau_fbcon.h"
33#include "dispnv04/hw.h"
34#include "nouveau_crtc.h"
35#include "nouveau_dma.h"
36#include "nouveau_gem.h"
37#include "nouveau_connector.h"
38#include "nv50_display.h"
39
40#include "nouveau_fence.h"
41
42#include <nvif/cl0046.h>
43#include <nvif/event.h>
44
45static int
46nouveau_display_vblank_handler(struct nvif_notify *notify)
47{
48 struct nouveau_crtc *nv_crtc =
49 container_of(notify, typeof(*nv_crtc), vblank);
50 drm_handle_vblank(nv_crtc->base.dev, nv_crtc->index);
51 return NVIF_NOTIFY_KEEP;
52}
53
54int
55nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
56{
57 struct drm_crtc *crtc;
58 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
59 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
60 if (nv_crtc->index == pipe) {
61 nvif_notify_get(&nv_crtc->vblank);
62 return 0;
63 }
64 }
65 return -EINVAL;
66}
67
68void
69nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
70{
71 struct drm_crtc *crtc;
72 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
73 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
74 if (nv_crtc->index == pipe) {
75 nvif_notify_put(&nv_crtc->vblank);
76 return;
77 }
78 }
79}
80
81static inline int
82calc(int blanks, int blanke, int total, int line)
83{
84 if (blanke >= blanks) {
85 if (line >= blanks)
86 line -= total;
87 } else {
88 if (line >= blanks)
89 line -= total;
90 line -= blanke + 1;
91 }
92 return line;
93}
94
95int
96nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
97 ktime_t *stime, ktime_t *etime)
98{
99 struct {
100 struct nv04_disp_mthd_v0 base;
101 struct nv04_disp_scanoutpos_v0 scan;
102 } args = {
103 .base.method = NV04_DISP_SCANOUTPOS,
104 .base.head = nouveau_crtc(crtc)->index,
105 };
106 struct nouveau_display *disp = nouveau_display(crtc->dev);
107 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
108 int ret, retry = 1;
109
110 do {
111 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
112 if (ret != 0)
113 return 0;
114
115 if (args.scan.vline) {
116 ret |= DRM_SCANOUTPOS_ACCURATE;
117 ret |= DRM_SCANOUTPOS_VALID;
118 break;
119 }
120
121 if (retry) ndelay(vblank->linedur_ns);
122 } while (retry--);
123
124 *hpos = args.scan.hline;
125 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
126 args.scan.vtotal, args.scan.vline);
127 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
128 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
129
130 if (*vpos < 0)
131 ret |= DRM_SCANOUTPOS_IN_VBLANK;
132 return ret;
133}
134
135int
136nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
137 unsigned int flags, int *vpos, int *hpos,
138 ktime_t *stime, ktime_t *etime,
139 const struct drm_display_mode *mode)
140{
141 struct drm_crtc *crtc;
142
143 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
144 if (nouveau_crtc(crtc)->index == pipe) {
145 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
146 stime, etime);
147 }
148 }
149
150 return 0;
151}
152
153int
154nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe,
155 int *max_error, struct timeval *time, unsigned flags)
156{
157 struct drm_crtc *crtc;
158
159 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
160 if (nouveau_crtc(crtc)->index == pipe) {
161 return drm_calc_vbltimestamp_from_scanoutpos(dev,
162 pipe, max_error, time, flags,
163 &crtc->hwmode);
164 }
165 }
166
167 return -EINVAL;
168}
169
170static void
171nouveau_display_vblank_fini(struct drm_device *dev)
172{
173 struct drm_crtc *crtc;
174
175 drm_vblank_cleanup(dev);
176
177 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
178 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
179 nvif_notify_fini(&nv_crtc->vblank);
180 }
181}
182
183static int
184nouveau_display_vblank_init(struct drm_device *dev)
185{
186 struct nouveau_display *disp = nouveau_display(dev);
187 struct drm_crtc *crtc;
188 int ret;
189
190 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
191 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
192 ret = nvif_notify_init(&disp->disp,
193 nouveau_display_vblank_handler, false,
194 NV04_DISP_NTFY_VBLANK,
195 &(struct nvif_notify_head_req_v0) {
196 .head = nv_crtc->index,
197 },
198 sizeof(struct nvif_notify_head_req_v0),
199 sizeof(struct nvif_notify_head_rep_v0),
200 &nv_crtc->vblank);
201 if (ret) {
202 nouveau_display_vblank_fini(dev);
203 return ret;
204 }
205 }
206
207 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
208 if (ret) {
209 nouveau_display_vblank_fini(dev);
210 return ret;
211 }
212
213 return 0;
214}
215
216static void
217nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
218{
219 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
220 struct nouveau_display *disp = nouveau_display(drm_fb->dev);
221
222 if (disp->fb_dtor)
223 disp->fb_dtor(drm_fb);
224
225 if (fb->nvbo)
226 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
227
228 drm_framebuffer_cleanup(drm_fb);
229 kfree(fb);
230}
231
232static int
233nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
234 struct drm_file *file_priv,
235 unsigned int *handle)
236{
237 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
238
239 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
240}
241
242static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
243 .destroy = nouveau_user_framebuffer_destroy,
244 .create_handle = nouveau_user_framebuffer_create_handle,
245};
246
247int
248nouveau_framebuffer_init(struct drm_device *dev,
249 struct nouveau_framebuffer *nv_fb,
250 const struct drm_mode_fb_cmd2 *mode_cmd,
251 struct nouveau_bo *nvbo)
252{
253 struct nouveau_display *disp = nouveau_display(dev);
254 struct drm_framebuffer *fb = &nv_fb->base;
255 int ret;
256
257 drm_helper_mode_fill_fb_struct(fb, mode_cmd);
258 nv_fb->nvbo = nvbo;
259
260 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
261 if (ret)
262 return ret;
263
264 if (disp->fb_ctor) {
265 ret = disp->fb_ctor(fb);
266 if (ret)
267 disp->fb_dtor(fb);
268 }
269
270 return ret;
271}
272
273static struct drm_framebuffer *
274nouveau_user_framebuffer_create(struct drm_device *dev,
275 struct drm_file *file_priv,
276 const struct drm_mode_fb_cmd2 *mode_cmd)
277{
278 struct nouveau_framebuffer *nouveau_fb;
279 struct drm_gem_object *gem;
280 int ret = -ENOMEM;
281
282 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
283 if (!gem)
284 return ERR_PTR(-ENOENT);
285
286 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
287 if (!nouveau_fb)
288 goto err_unref;
289
290 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
291 if (ret)
292 goto err;
293
294 return &nouveau_fb->base;
295
296err:
297 kfree(nouveau_fb);
298err_unref:
299 drm_gem_object_unreference(gem);
300 return ERR_PTR(ret);
301}
302
303static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
304 .fb_create = nouveau_user_framebuffer_create,
305 .output_poll_changed = nouveau_fbcon_output_poll_changed,
306};
307
308
309struct nouveau_drm_prop_enum_list {
310 u8 gen_mask;
311 int type;
312 char *name;
313};
314
315static struct nouveau_drm_prop_enum_list underscan[] = {
316 { 6, UNDERSCAN_AUTO, "auto" },
317 { 6, UNDERSCAN_OFF, "off" },
318 { 6, UNDERSCAN_ON, "on" },
319 {}
320};
321
322static struct nouveau_drm_prop_enum_list dither_mode[] = {
323 { 7, DITHERING_MODE_AUTO, "auto" },
324 { 7, DITHERING_MODE_OFF, "off" },
325 { 1, DITHERING_MODE_ON, "on" },
326 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
327 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
328 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
329 {}
330};
331
332static struct nouveau_drm_prop_enum_list dither_depth[] = {
333 { 6, DITHERING_DEPTH_AUTO, "auto" },
334 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
335 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
336 {}
337};
338
339#define PROP_ENUM(p,gen,n,list) do { \
340 struct nouveau_drm_prop_enum_list *l = (list); \
341 int c = 0; \
342 while (l->gen_mask) { \
343 if (l->gen_mask & (1 << (gen))) \
344 c++; \
345 l++; \
346 } \
347 if (c) { \
348 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
349 l = (list); \
350 c = 0; \
351 while (p && l->gen_mask) { \
352 if (l->gen_mask & (1 << (gen))) { \
353 drm_property_add_enum(p, c, l->type, l->name); \
354 c++; \
355 } \
356 l++; \
357 } \
358 } \
359} while(0)
360
361int
362nouveau_display_init(struct drm_device *dev)
363{
364 struct nouveau_display *disp = nouveau_display(dev);
365 struct nouveau_drm *drm = nouveau_drm(dev);
366 struct drm_connector *connector;
367 int ret;
368
369 ret = disp->init(dev);
370 if (ret)
371 return ret;
372
373 /* enable polling for external displays */
374 drm_kms_helper_poll_enable(dev);
375
376 /* enable hotplug interrupts */
377 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
378 struct nouveau_connector *conn = nouveau_connector(connector);
379 nvif_notify_get(&conn->hpd);
380 }
381
382 /* enable flip completion events */
383 nvif_notify_get(&drm->flip);
384 return ret;
385}
386
387void
388nouveau_display_fini(struct drm_device *dev)
389{
390 struct nouveau_display *disp = nouveau_display(dev);
391 struct nouveau_drm *drm = nouveau_drm(dev);
392 struct drm_connector *connector;
393 int head;
394
395 /* Make sure that drm and hw vblank irqs get properly disabled. */
396 for (head = 0; head < dev->mode_config.num_crtc; head++)
397 drm_vblank_off(dev, head);
398
399 /* disable flip completion events */
400 nvif_notify_put(&drm->flip);
401
402 /* disable hotplug interrupts */
403 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
404 struct nouveau_connector *conn = nouveau_connector(connector);
405 nvif_notify_put(&conn->hpd);
406 }
407
408 drm_kms_helper_poll_disable(dev);
409 disp->fini(dev);
410}
411
412static void
413nouveau_display_create_properties(struct drm_device *dev)
414{
415 struct nouveau_display *disp = nouveau_display(dev);
416 int gen;
417
418 if (disp->disp.oclass < NV50_DISP)
419 gen = 0;
420 else
421 if (disp->disp.oclass < GF110_DISP)
422 gen = 1;
423 else
424 gen = 2;
425
426 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
427 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
428 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
429
430 disp->underscan_hborder_property =
431 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
432
433 disp->underscan_vborder_property =
434 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
435
436 if (gen < 1)
437 return;
438
439 /* -90..+90 */
440 disp->vibrant_hue_property =
441 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
442
443 /* -100..+100 */
444 disp->color_vibrance_property =
445 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
446}
447
448int
449nouveau_display_create(struct drm_device *dev)
450{
451 struct nouveau_drm *drm = nouveau_drm(dev);
452 struct nvkm_device *device = nvxx_device(&drm->device);
453 struct nouveau_display *disp;
454 int ret;
455
456 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
457 if (!disp)
458 return -ENOMEM;
459
460 drm_mode_config_init(dev);
461 drm_mode_create_scaling_mode_property(dev);
462 drm_mode_create_dvi_i_properties(dev);
463
464 dev->mode_config.funcs = &nouveau_mode_config_funcs;
465 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
466
467 dev->mode_config.min_width = 0;
468 dev->mode_config.min_height = 0;
469 if (drm->device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
470 dev->mode_config.max_width = 2048;
471 dev->mode_config.max_height = 2048;
472 } else
473 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
474 dev->mode_config.max_width = 4096;
475 dev->mode_config.max_height = 4096;
476 } else
477 if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI) {
478 dev->mode_config.max_width = 8192;
479 dev->mode_config.max_height = 8192;
480 } else {
481 dev->mode_config.max_width = 16384;
482 dev->mode_config.max_height = 16384;
483 }
484
485 dev->mode_config.preferred_depth = 24;
486 dev->mode_config.prefer_shadow = 1;
487
488 if (drm->device.info.chipset < 0x11)
489 dev->mode_config.async_page_flip = false;
490 else
491 dev->mode_config.async_page_flip = true;
492
493 drm_kms_helper_poll_init(dev);
494 drm_kms_helper_poll_disable(dev);
495
496 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
497 static const u16 oclass[] = {
498 GM200_DISP,
499 GM107_DISP,
500 GK110_DISP,
501 GK104_DISP,
502 GF110_DISP,
503 GT214_DISP,
504 GT206_DISP,
505 GT200_DISP,
506 G82_DISP,
507 NV50_DISP,
508 NV04_DISP,
509 };
510 int i;
511
512 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
513 ret = nvif_object_init(&drm->device.object, 0,
514 oclass[i], NULL, 0, &disp->disp);
515 }
516
517 if (ret == 0) {
518 nouveau_display_create_properties(dev);
519 if (disp->disp.oclass < NV50_DISP)
520 ret = nv04_display_create(dev);
521 else
522 ret = nv50_display_create(dev);
523 }
524 } else {
525 ret = 0;
526 }
527
528 if (ret)
529 goto disp_create_err;
530
531 if (dev->mode_config.num_crtc) {
532 ret = nouveau_display_vblank_init(dev);
533 if (ret)
534 goto vblank_err;
535 }
536
537 nouveau_backlight_init(dev);
538 return 0;
539
540vblank_err:
541 disp->dtor(dev);
542disp_create_err:
543 drm_kms_helper_poll_fini(dev);
544 drm_mode_config_cleanup(dev);
545 return ret;
546}
547
548void
549nouveau_display_destroy(struct drm_device *dev)
550{
551 struct nouveau_display *disp = nouveau_display(dev);
552
553 nouveau_backlight_exit(dev);
554 nouveau_display_vblank_fini(dev);
555
556 drm_kms_helper_poll_fini(dev);
557 drm_mode_config_cleanup(dev);
558
559 if (disp->dtor)
560 disp->dtor(dev);
561
562 nvif_object_fini(&disp->disp);
563
564 nouveau_drm(dev)->display = NULL;
565 kfree(disp);
566}
567
568int
569nouveau_display_suspend(struct drm_device *dev, bool runtime)
570{
571 struct drm_crtc *crtc;
572
573 nouveau_display_fini(dev);
574
575 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
576 struct nouveau_framebuffer *nouveau_fb;
577
578 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
579 if (!nouveau_fb || !nouveau_fb->nvbo)
580 continue;
581
582 nouveau_bo_unpin(nouveau_fb->nvbo);
583 }
584
585 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
586 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
587 if (nv_crtc->cursor.nvbo) {
588 if (nv_crtc->cursor.set_offset)
589 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
590 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
591 }
592 }
593
594 return 0;
595}
596
597void
598nouveau_display_resume(struct drm_device *dev, bool runtime)
599{
600 struct nouveau_drm *drm = nouveau_drm(dev);
601 struct drm_crtc *crtc;
602 int ret, head;
603
604 /* re-pin fb/cursors */
605 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
606 struct nouveau_framebuffer *nouveau_fb;
607
608 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
609 if (!nouveau_fb || !nouveau_fb->nvbo)
610 continue;
611
612 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
613 if (ret)
614 NV_ERROR(drm, "Could not pin framebuffer\n");
615 }
616
617 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
618 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
619 if (!nv_crtc->cursor.nvbo)
620 continue;
621
622 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
623 if (!ret && nv_crtc->cursor.set_offset)
624 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
625 if (ret)
626 NV_ERROR(drm, "Could not pin/map cursor.\n");
627 }
628
629 nouveau_display_init(dev);
630
631 /* Force CLUT to get re-loaded during modeset */
632 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
633 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
634
635 nv_crtc->lut.depth = 0;
636 }
637
638 /* This should ensure we don't hit a locking problem when someone
639 * wakes us up via a connector. We should never go into suspend
640 * while the display is on anyways.
641 */
642 if (runtime)
643 return;
644
645 drm_helper_resume_force_mode(dev);
646
647 /* Make sure that drm and hw vblank irqs get resumed if needed. */
648 for (head = 0; head < dev->mode_config.num_crtc; head++)
649 drm_vblank_on(dev, head);
650
651 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
652 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
653
654 if (!nv_crtc->cursor.nvbo)
655 continue;
656
657 if (nv_crtc->cursor.set_offset)
658 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
659 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
660 nv_crtc->cursor_saved_y);
661 }
662}
663
664static int
665nouveau_page_flip_emit(struct nouveau_channel *chan,
666 struct nouveau_bo *old_bo,
667 struct nouveau_bo *new_bo,
668 struct nouveau_page_flip_state *s,
669 struct nouveau_fence **pfence)
670{
671 struct nouveau_fence_chan *fctx = chan->fence;
672 struct nouveau_drm *drm = chan->drm;
673 struct drm_device *dev = drm->dev;
674 unsigned long flags;
675 int ret;
676
677 /* Queue it to the pending list */
678 spin_lock_irqsave(&dev->event_lock, flags);
679 list_add_tail(&s->head, &fctx->flip);
680 spin_unlock_irqrestore(&dev->event_lock, flags);
681
682 /* Synchronize with the old framebuffer */
683 ret = nouveau_fence_sync(old_bo, chan, false, false);
684 if (ret)
685 goto fail;
686
687 /* Emit the pageflip */
688 ret = RING_SPACE(chan, 2);
689 if (ret)
690 goto fail;
691
692 if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI)
693 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
694 else
695 BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1);
696 OUT_RING (chan, 0x00000000);
697 FIRE_RING (chan);
698
699 ret = nouveau_fence_new(chan, false, pfence);
700 if (ret)
701 goto fail;
702
703 return 0;
704fail:
705 spin_lock_irqsave(&dev->event_lock, flags);
706 list_del(&s->head);
707 spin_unlock_irqrestore(&dev->event_lock, flags);
708 return ret;
709}
710
711int
712nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
713 struct drm_pending_vblank_event *event, u32 flags)
714{
715 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
716 struct drm_device *dev = crtc->dev;
717 struct nouveau_drm *drm = nouveau_drm(dev);
718 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
719 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
720 struct nouveau_page_flip_state *s;
721 struct nouveau_channel *chan;
722 struct nouveau_cli *cli;
723 struct nouveau_fence *fence;
724 int ret;
725
726 chan = drm->channel;
727 if (!chan)
728 return -ENODEV;
729 cli = (void *)chan->user.client;
730
731 s = kzalloc(sizeof(*s), GFP_KERNEL);
732 if (!s)
733 return -ENOMEM;
734
735 if (new_bo != old_bo) {
736 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
737 if (ret)
738 goto fail_free;
739 }
740
741 mutex_lock(&cli->mutex);
742 ret = ttm_bo_reserve(&new_bo->bo, true, false, false, NULL);
743 if (ret)
744 goto fail_unpin;
745
746 /* synchronise rendering channel with the kernel's channel */
747 ret = nouveau_fence_sync(new_bo, chan, false, true);
748 if (ret) {
749 ttm_bo_unreserve(&new_bo->bo);
750 goto fail_unpin;
751 }
752
753 if (new_bo != old_bo) {
754 ttm_bo_unreserve(&new_bo->bo);
755
756 ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL);
757 if (ret)
758 goto fail_unpin;
759 }
760
761 /* Initialize a page flip struct */
762 *s = (struct nouveau_page_flip_state)
763 { { }, event, nouveau_crtc(crtc)->index,
764 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
765 new_bo->bo.offset };
766
767 /* Keep vblanks on during flip, for the target crtc of this flip */
768 drm_vblank_get(dev, nouveau_crtc(crtc)->index);
769
770 /* Emit a page flip */
771 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
772 ret = nv50_display_flip_next(crtc, fb, chan, swap_interval);
773 if (ret)
774 goto fail_unreserve;
775 } else {
776 struct nv04_display *dispnv04 = nv04_display(dev);
777 int head = nouveau_crtc(crtc)->index;
778
779 if (swap_interval) {
780 ret = RING_SPACE(chan, 8);
781 if (ret)
782 goto fail_unreserve;
783
784 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
785 OUT_RING (chan, 0);
786 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
787 OUT_RING (chan, head);
788 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
789 OUT_RING (chan, 0);
790 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
791 OUT_RING (chan, 0);
792 }
793
794 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
795 }
796
797 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
798 if (ret)
799 goto fail_unreserve;
800 mutex_unlock(&cli->mutex);
801
802 /* Update the crtc struct and cleanup */
803 crtc->primary->fb = fb;
804
805 nouveau_bo_fence(old_bo, fence, false);
806 ttm_bo_unreserve(&old_bo->bo);
807 if (old_bo != new_bo)
808 nouveau_bo_unpin(old_bo);
809 nouveau_fence_unref(&fence);
810 return 0;
811
812fail_unreserve:
813 drm_vblank_put(dev, nouveau_crtc(crtc)->index);
814 ttm_bo_unreserve(&old_bo->bo);
815fail_unpin:
816 mutex_unlock(&cli->mutex);
817 if (old_bo != new_bo)
818 nouveau_bo_unpin(new_bo);
819fail_free:
820 kfree(s);
821 return ret;
822}
823
824int
825nouveau_finish_page_flip(struct nouveau_channel *chan,
826 struct nouveau_page_flip_state *ps)
827{
828 struct nouveau_fence_chan *fctx = chan->fence;
829 struct nouveau_drm *drm = chan->drm;
830 struct drm_device *dev = drm->dev;
831 struct nouveau_page_flip_state *s;
832 unsigned long flags;
833
834 spin_lock_irqsave(&dev->event_lock, flags);
835
836 if (list_empty(&fctx->flip)) {
837 NV_ERROR(drm, "unexpected pageflip\n");
838 spin_unlock_irqrestore(&dev->event_lock, flags);
839 return -EINVAL;
840 }
841
842 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
843 if (s->event) {
844 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
845 drm_arm_vblank_event(dev, s->crtc, s->event);
846 } else {
847 drm_send_vblank_event(dev, s->crtc, s->event);
848
849 /* Give up ownership of vblank for page-flipped crtc */
850 drm_vblank_put(dev, s->crtc);
851 }
852 }
853 else {
854 /* Give up ownership of vblank for page-flipped crtc */
855 drm_vblank_put(dev, s->crtc);
856 }
857
858 list_del(&s->head);
859 if (ps)
860 *ps = *s;
861 kfree(s);
862
863 spin_unlock_irqrestore(&dev->event_lock, flags);
864 return 0;
865}
866
867int
868nouveau_flip_complete(struct nvif_notify *notify)
869{
870 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
871 struct nouveau_channel *chan = drm->channel;
872 struct nouveau_page_flip_state state;
873
874 if (!nouveau_finish_page_flip(chan, &state)) {
875 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
876 nv_set_crtc_base(drm->dev, state.crtc, state.offset +
877 state.y * state.pitch +
878 state.x * state.bpp / 8);
879 }
880 }
881
882 return NVIF_NOTIFY_KEEP;
883}
884
885int
886nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
887 struct drm_mode_create_dumb *args)
888{
889 struct nouveau_bo *bo;
890 uint32_t domain;
891 int ret;
892
893 args->pitch = roundup(args->width * (args->bpp / 8), 256);
894 args->size = args->pitch * args->height;
895 args->size = roundup(args->size, PAGE_SIZE);
896
897 /* Use VRAM if there is any ; otherwise fallback to system memory */
898 if (nouveau_drm(dev)->device.info.ram_size != 0)
899 domain = NOUVEAU_GEM_DOMAIN_VRAM;
900 else
901 domain = NOUVEAU_GEM_DOMAIN_GART;
902
903 ret = nouveau_gem_new(dev, args->size, 0, domain, 0, 0, &bo);
904 if (ret)
905 return ret;
906
907 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
908 drm_gem_object_unreference_unlocked(&bo->gem);
909 return ret;
910}
911
912int
913nouveau_display_dumb_map_offset(struct drm_file *file_priv,
914 struct drm_device *dev,
915 uint32_t handle, uint64_t *poffset)
916{
917 struct drm_gem_object *gem;
918
919 gem = drm_gem_object_lookup(dev, file_priv, handle);
920 if (gem) {
921 struct nouveau_bo *bo = nouveau_gem_object(gem);
922 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
923 drm_gem_object_unreference_unlocked(gem);
924 return 0;
925 }
926
927 return -ENOENT;
928}