1 /*
2 * Copyright 2018 Red Hat Inc.
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 #include "wndw.h"
23 #include "wimm.h"
24
25 #include <nvif/class.h>
26 #include <nvif/cl0002.h>
27
28 #include <drm/drm_atomic_helper.h>
29 #include "nouveau_bo.h"
30
31 static void
nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma * ctxdma)32 nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma)
33 {
34 nvif_object_fini(&ctxdma->object);
35 list_del(&ctxdma->head);
36 kfree(ctxdma);
37 }
38
39 static struct nv50_wndw_ctxdma *
nv50_wndw_ctxdma_new(struct nv50_wndw * wndw,struct nouveau_framebuffer * fb)40 nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb)
41 {
42 struct nouveau_drm *drm = nouveau_drm(fb->base.dev);
43 struct nv50_wndw_ctxdma *ctxdma;
44 const u8 kind = fb->nvbo->kind;
45 const u32 handle = 0xfb000000 | kind;
46 struct {
47 struct nv_dma_v0 base;
48 union {
49 struct nv50_dma_v0 nv50;
50 struct gf100_dma_v0 gf100;
51 struct gf119_dma_v0 gf119;
52 };
53 } args = {};
54 u32 argc = sizeof(args.base);
55 int ret;
56
57 list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) {
58 if (ctxdma->object.handle == handle)
59 return ctxdma;
60 }
61
62 if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL)))
63 return ERR_PTR(-ENOMEM);
64 list_add(&ctxdma->head, &wndw->ctxdma.list);
65
66 args.base.target = NV_DMA_V0_TARGET_VRAM;
67 args.base.access = NV_DMA_V0_ACCESS_RDWR;
68 args.base.start = 0;
69 args.base.limit = drm->client.device.info.ram_user - 1;
70
71 if (drm->client.device.info.chipset < 0x80) {
72 args.nv50.part = NV50_DMA_V0_PART_256;
73 argc += sizeof(args.nv50);
74 } else
75 if (drm->client.device.info.chipset < 0xc0) {
76 args.nv50.part = NV50_DMA_V0_PART_256;
77 args.nv50.kind = kind;
78 argc += sizeof(args.nv50);
79 } else
80 if (drm->client.device.info.chipset < 0xd0) {
81 args.gf100.kind = kind;
82 argc += sizeof(args.gf100);
83 } else {
84 args.gf119.page = GF119_DMA_V0_PAGE_LP;
85 args.gf119.kind = kind;
86 argc += sizeof(args.gf119);
87 }
88
89 ret = nvif_object_init(wndw->ctxdma.parent, handle, NV_DMA_IN_MEMORY,
90 &args, argc, &ctxdma->object);
91 if (ret) {
92 nv50_wndw_ctxdma_del(ctxdma);
93 return ERR_PTR(ret);
94 }
95
96 return ctxdma;
97 }
98
99 int
nv50_wndw_wait_armed(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)100 nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
101 {
102 struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
103 if (asyw->set.ntfy) {
104 return wndw->func->ntfy_wait_begun(disp->sync,
105 asyw->ntfy.offset,
106 wndw->wndw.base.device);
107 }
108 return 0;
109 }
110
111 void
nv50_wndw_flush_clr(struct nv50_wndw * wndw,u32 * interlock,bool flush,struct nv50_wndw_atom * asyw)112 nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush,
113 struct nv50_wndw_atom *asyw)
114 {
115 union nv50_wndw_atom_mask clr = {
116 .mask = asyw->clr.mask & ~(flush ? 0 : asyw->set.mask),
117 };
118 if (clr.sema ) wndw->func-> sema_clr(wndw);
119 if (clr.ntfy ) wndw->func-> ntfy_clr(wndw);
120 if (clr.xlut ) wndw->func-> xlut_clr(wndw);
121 if (clr.image) wndw->func->image_clr(wndw);
122
123 interlock[wndw->interlock.type] |= wndw->interlock.data;
124 }
125
126 void
nv50_wndw_flush_set(struct nv50_wndw * wndw,u32 * interlock,struct nv50_wndw_atom * asyw)127 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
128 struct nv50_wndw_atom *asyw)
129 {
130 if (interlock) {
131 asyw->image.mode = 0;
132 asyw->image.interval = 1;
133 }
134
135 if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw);
136 if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw);
137 if (asyw->set.image) wndw->func->image_set(wndw, asyw);
138
139 if (asyw->set.xlut ) {
140 if (asyw->ilut) {
141 asyw->xlut.i.offset =
142 nv50_lut_load(&wndw->ilut,
143 asyw->xlut.i.mode <= 1,
144 asyw->xlut.i.buffer,
145 asyw->ilut);
146 }
147 wndw->func->xlut_set(wndw, asyw);
148 }
149
150 if (asyw->set.scale) wndw->func->scale_set(wndw, asyw);
151 if (asyw->set.point) {
152 if (asyw->set.point = false, asyw->set.mask)
153 interlock[wndw->interlock.type] |= wndw->interlock.data;
154 interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.wimm;
155
156 wndw->immd->point(wndw, asyw);
157 wndw->immd->update(wndw, interlock);
158 } else {
159 interlock[wndw->interlock.type] |= wndw->interlock.data;
160 }
161 }
162
163 void
nv50_wndw_ntfy_enable(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)164 nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
165 {
166 struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
167
168 asyw->ntfy.handle = wndw->wndw.sync.handle;
169 asyw->ntfy.offset = wndw->ntfy;
170 asyw->ntfy.awaken = false;
171 asyw->set.ntfy = true;
172
173 wndw->func->ntfy_reset(disp->sync, wndw->ntfy);
174 wndw->ntfy ^= 0x10;
175 }
176
177 static void
nv50_wndw_atomic_check_release(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)178 nv50_wndw_atomic_check_release(struct nv50_wndw *wndw,
179 struct nv50_wndw_atom *asyw,
180 struct nv50_head_atom *asyh)
181 {
182 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
183 NV_ATOMIC(drm, "%s release\n", wndw->plane.name);
184 wndw->func->release(wndw, asyw, asyh);
185 asyw->ntfy.handle = 0;
186 asyw->sema.handle = 0;
187 }
188
189 static int
nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom * asyw)190 nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw)
191 {
192 switch (asyw->state.fb->format->format) {
193 case DRM_FORMAT_YUYV: asyw->image.format = 0x28; break;
194 case DRM_FORMAT_UYVY: asyw->image.format = 0x29; break;
195 default:
196 WARN_ON(1);
197 return -EINVAL;
198 }
199 asyw->image.colorspace = 1;
200 return 0;
201 }
202
203 static int
nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom * asyw)204 nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw)
205 {
206 switch (asyw->state.fb->format->format) {
207 case DRM_FORMAT_C8 : asyw->image.format = 0x1e; break;
208 case DRM_FORMAT_XRGB8888 :
209 case DRM_FORMAT_ARGB8888 : asyw->image.format = 0xcf; break;
210 case DRM_FORMAT_RGB565 : asyw->image.format = 0xe8; break;
211 case DRM_FORMAT_XRGB1555 :
212 case DRM_FORMAT_ARGB1555 : asyw->image.format = 0xe9; break;
213 case DRM_FORMAT_XBGR2101010:
214 case DRM_FORMAT_ABGR2101010: asyw->image.format = 0xd1; break;
215 case DRM_FORMAT_XBGR8888 :
216 case DRM_FORMAT_ABGR8888 : asyw->image.format = 0xd5; break;
217 case DRM_FORMAT_XRGB2101010:
218 case DRM_FORMAT_ARGB2101010: asyw->image.format = 0xdf; break;
219 default:
220 return -EINVAL;
221 }
222 asyw->image.colorspace = 0;
223 return 0;
224 }
225
226 static int
nv50_wndw_atomic_check_acquire(struct nv50_wndw * wndw,bool modeset,struct nv50_wndw_atom * armw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)227 nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
228 struct nv50_wndw_atom *armw,
229 struct nv50_wndw_atom *asyw,
230 struct nv50_head_atom *asyh)
231 {
232 struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb);
233 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
234 int ret;
235
236 NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name);
237
238 if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) {
239 asyw->image.w = fb->base.width;
240 asyw->image.h = fb->base.height;
241 asyw->image.kind = fb->nvbo->kind;
242
243 ret = nv50_wndw_atomic_check_acquire_rgb(asyw);
244 if (ret) {
245 ret = nv50_wndw_atomic_check_acquire_yuv(asyw);
246 if (ret)
247 return ret;
248 }
249
250 if (asyw->image.kind) {
251 asyw->image.layout = 0;
252 if (drm->client.device.info.chipset >= 0xc0)
253 asyw->image.blockh = fb->nvbo->mode >> 4;
254 else
255 asyw->image.blockh = fb->nvbo->mode;
256 asyw->image.blocks[0] = fb->base.pitches[0] / 64;
257 asyw->image.pitch[0] = 0;
258 } else {
259 asyw->image.layout = 1;
260 asyw->image.blockh = 0;
261 asyw->image.blocks[0] = 0;
262 asyw->image.pitch[0] = fb->base.pitches[0];
263 }
264
265 if (!(asyh->state.pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC))
266 asyw->image.interval = 1;
267 else
268 asyw->image.interval = 0;
269 asyw->image.mode = asyw->image.interval ? 0 : 1;
270 asyw->set.image = wndw->func->image_set != NULL;
271 }
272
273 if (wndw->func->scale_set) {
274 asyw->scale.sx = asyw->state.src_x >> 16;
275 asyw->scale.sy = asyw->state.src_y >> 16;
276 asyw->scale.sw = asyw->state.src_w >> 16;
277 asyw->scale.sh = asyw->state.src_h >> 16;
278 asyw->scale.dw = asyw->state.crtc_w;
279 asyw->scale.dh = asyw->state.crtc_h;
280 if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale)))
281 asyw->set.scale = true;
282 }
283
284 if (wndw->immd) {
285 asyw->point.x = asyw->state.crtc_x;
286 asyw->point.y = asyw->state.crtc_y;
287 if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point)))
288 asyw->set.point = true;
289 }
290
291 return wndw->func->acquire(wndw, asyw, asyh);
292 }
293
294 static void
nv50_wndw_atomic_check_lut(struct nv50_wndw * wndw,struct nv50_wndw_atom * armw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)295 nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw,
296 struct nv50_wndw_atom *armw,
297 struct nv50_wndw_atom *asyw,
298 struct nv50_head_atom *asyh)
299 {
300 struct drm_property_blob *ilut = asyh->state.degamma_lut;
301
302 /* I8 format without an input LUT makes no sense, and the
303 * HW error-checks for this.
304 *
305 * In order to handle legacy gamma, when there's no input
306 * LUT we need to steal the output LUT and use it instead.
307 */
308 if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) {
309 /* This should be an error, but there's legacy clients
310 * that do a modeset before providing a gamma table.
311 *
312 * We keep the window disabled to avoid angering HW.
313 */
314 if (!(ilut = asyh->state.gamma_lut)) {
315 asyw->visible = false;
316 return;
317 }
318
319 if (wndw->func->ilut)
320 asyh->wndw.olut |= BIT(wndw->id);
321 } else {
322 asyh->wndw.olut &= ~BIT(wndw->id);
323 }
324
325 /* Recalculate LUT state. */
326 memset(&asyw->xlut, 0x00, sizeof(asyw->xlut));
327 if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) {
328 wndw->func->ilut(wndw, asyw);
329 asyw->xlut.handle = wndw->wndw.vram.handle;
330 asyw->xlut.i.buffer = !asyw->xlut.i.buffer;
331 asyw->set.xlut = true;
332 }
333
334 /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */
335 if (wndw->func->olut_core &&
336 (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle)))
337 asyw->set.xlut = true;
338
339 /* Can't do an immediate flip while changing the LUT. */
340 asyh->state.pageflip_flags &= ~DRM_MODE_PAGE_FLIP_ASYNC;
341 }
342
343 static int
nv50_wndw_atomic_check(struct drm_plane * plane,struct drm_plane_state * state)344 nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
345 {
346 struct nouveau_drm *drm = nouveau_drm(plane->dev);
347 struct nv50_wndw *wndw = nv50_wndw(plane);
348 struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state);
349 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
350 struct nv50_head_atom *harm = NULL, *asyh = NULL;
351 bool modeset = false;
352 int ret;
353
354 NV_ATOMIC(drm, "%s atomic_check\n", plane->name);
355
356 /* Fetch the assembly state for the head the window will belong to,
357 * and determine whether the window will be visible.
358 */
359 if (asyw->state.crtc) {
360 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
361 if (IS_ERR(asyh))
362 return PTR_ERR(asyh);
363 modeset = drm_atomic_crtc_needs_modeset(&asyh->state);
364 asyw->visible = asyh->state.active;
365 } else {
366 asyw->visible = false;
367 }
368
369 /* Fetch assembly state for the head the window used to belong to. */
370 if (armw->state.crtc) {
371 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc);
372 if (IS_ERR(harm))
373 return PTR_ERR(harm);
374 }
375
376 /* LUT configuration can potentially cause the window to be disabled. */
377 if (asyw->visible && wndw->func->xlut_set &&
378 (!armw->visible ||
379 asyh->state.color_mgmt_changed ||
380 asyw->state.fb->format->format !=
381 armw->state.fb->format->format))
382 nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh);
383
384 /* Calculate new window state. */
385 if (asyw->visible) {
386 ret = nv50_wndw_atomic_check_acquire(wndw, modeset,
387 armw, asyw, asyh);
388 if (ret)
389 return ret;
390
391 asyh->wndw.mask |= BIT(wndw->id);
392 } else
393 if (armw->visible) {
394 nv50_wndw_atomic_check_release(wndw, asyw, harm);
395 harm->wndw.mask &= ~BIT(wndw->id);
396 } else {
397 return 0;
398 }
399
400 /* Aside from the obvious case where the window is actively being
401 * disabled, we might also need to temporarily disable the window
402 * when performing certain modeset operations.
403 */
404 if (!asyw->visible || modeset) {
405 asyw->clr.ntfy = armw->ntfy.handle != 0;
406 asyw->clr.sema = armw->sema.handle != 0;
407 asyw->clr.xlut = armw->xlut.handle != 0;
408 if (asyw->clr.xlut && asyw->visible)
409 asyw->set.xlut = asyw->xlut.handle != 0;
410 if (wndw->func->image_clr)
411 asyw->clr.image = armw->image.handle[0] != 0;
412 }
413
414 return 0;
415 }
416
417 static void
nv50_wndw_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)418 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state)
419 {
420 struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb);
421 struct nouveau_drm *drm = nouveau_drm(plane->dev);
422
423 NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb);
424 if (!old_state->fb)
425 return;
426
427 nouveau_bo_unpin(fb->nvbo);
428 }
429
430 static int
nv50_wndw_prepare_fb(struct drm_plane * plane,struct drm_plane_state * state)431 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
432 {
433 struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb);
434 struct nouveau_drm *drm = nouveau_drm(plane->dev);
435 struct nv50_wndw *wndw = nv50_wndw(plane);
436 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
437 struct nv50_head_atom *asyh;
438 struct nv50_wndw_ctxdma *ctxdma;
439 int ret;
440
441 NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb);
442 if (!asyw->state.fb)
443 return 0;
444
445 ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true);
446 if (ret)
447 return ret;
448
449 if (wndw->ctxdma.parent) {
450 ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
451 if (IS_ERR(ctxdma)) {
452 nouveau_bo_unpin(fb->nvbo);
453 return PTR_ERR(ctxdma);
454 }
455
456 asyw->image.handle[0] = ctxdma->object.handle;
457 }
458
459 asyw->state.fence = reservation_object_get_excl_rcu(fb->nvbo->bo.resv);
460 asyw->image.offset[0] = fb->nvbo->bo.offset;
461
462 if (wndw->func->prepare) {
463 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
464 if (IS_ERR(asyh))
465 return PTR_ERR(asyh);
466
467 wndw->func->prepare(wndw, asyh, asyw);
468 }
469
470 return 0;
471 }
472
473 static const struct drm_plane_helper_funcs
474 nv50_wndw_helper = {
475 .prepare_fb = nv50_wndw_prepare_fb,
476 .cleanup_fb = nv50_wndw_cleanup_fb,
477 .atomic_check = nv50_wndw_atomic_check,
478 };
479
480 static void
nv50_wndw_atomic_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)481 nv50_wndw_atomic_destroy_state(struct drm_plane *plane,
482 struct drm_plane_state *state)
483 {
484 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
485 __drm_atomic_helper_plane_destroy_state(&asyw->state);
486 kfree(asyw);
487 }
488
489 static struct drm_plane_state *
nv50_wndw_atomic_duplicate_state(struct drm_plane * plane)490 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane)
491 {
492 struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state);
493 struct nv50_wndw_atom *asyw;
494 if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL)))
495 return NULL;
496 __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state);
497 asyw->sema = armw->sema;
498 asyw->ntfy = armw->ntfy;
499 asyw->ilut = NULL;
500 asyw->xlut = armw->xlut;
501 asyw->image = armw->image;
502 asyw->point = armw->point;
503 asyw->clr.mask = 0;
504 asyw->set.mask = 0;
505 return &asyw->state;
506 }
507
508 static void
nv50_wndw_reset(struct drm_plane * plane)509 nv50_wndw_reset(struct drm_plane *plane)
510 {
511 struct nv50_wndw_atom *asyw;
512
513 if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL))))
514 return;
515
516 if (plane->state)
517 plane->funcs->atomic_destroy_state(plane, plane->state);
518 plane->state = &asyw->state;
519 plane->state->plane = plane;
520 plane->state->rotation = DRM_MODE_ROTATE_0;
521 }
522
523 static void
nv50_wndw_destroy(struct drm_plane * plane)524 nv50_wndw_destroy(struct drm_plane *plane)
525 {
526 struct nv50_wndw *wndw = nv50_wndw(plane);
527 struct nv50_wndw_ctxdma *ctxdma, *ctxtmp;
528
529 list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) {
530 nv50_wndw_ctxdma_del(ctxdma);
531 }
532
533 nvif_notify_fini(&wndw->notify);
534 nv50_dmac_destroy(&wndw->wimm);
535 nv50_dmac_destroy(&wndw->wndw);
536
537 nv50_lut_fini(&wndw->ilut);
538
539 drm_plane_cleanup(&wndw->plane);
540 kfree(wndw);
541 }
542
543 const struct drm_plane_funcs
544 nv50_wndw = {
545 .update_plane = drm_atomic_helper_update_plane,
546 .disable_plane = drm_atomic_helper_disable_plane,
547 .destroy = nv50_wndw_destroy,
548 .reset = nv50_wndw_reset,
549 .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state,
550 .atomic_destroy_state = nv50_wndw_atomic_destroy_state,
551 };
552
553 static int
nv50_wndw_notify(struct nvif_notify * notify)554 nv50_wndw_notify(struct nvif_notify *notify)
555 {
556 return NVIF_NOTIFY_KEEP;
557 }
558
559 void
nv50_wndw_fini(struct nv50_wndw * wndw)560 nv50_wndw_fini(struct nv50_wndw *wndw)
561 {
562 nvif_notify_put(&wndw->notify);
563 }
564
565 void
nv50_wndw_init(struct nv50_wndw * wndw)566 nv50_wndw_init(struct nv50_wndw *wndw)
567 {
568 nvif_notify_get(&wndw->notify);
569 }
570
571 int
nv50_wndw_new_(const struct nv50_wndw_func * func,struct drm_device * dev,enum drm_plane_type type,const char * name,int index,const u32 * format,u32 heads,enum nv50_disp_interlock_type interlock_type,u32 interlock_data,struct nv50_wndw ** pwndw)572 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
573 enum drm_plane_type type, const char *name, int index,
574 const u32 *format, u32 heads,
575 enum nv50_disp_interlock_type interlock_type, u32 interlock_data,
576 struct nv50_wndw **pwndw)
577 {
578 struct nouveau_drm *drm = nouveau_drm(dev);
579 struct nvif_mmu *mmu = &drm->client.mmu;
580 struct nv50_disp *disp = nv50_disp(dev);
581 struct nv50_wndw *wndw;
582 int nformat;
583 int ret;
584
585 if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL)))
586 return -ENOMEM;
587 wndw->func = func;
588 wndw->id = index;
589 wndw->interlock.type = interlock_type;
590 wndw->interlock.data = interlock_data;
591
592 wndw->ctxdma.parent = &wndw->wndw.base.user;
593 INIT_LIST_HEAD(&wndw->ctxdma.list);
594
595 for (nformat = 0; format[nformat]; nformat++);
596
597 ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw,
598 format, nformat, NULL,
599 type, "%s-%d", name, index);
600 if (ret) {
601 kfree(*pwndw);
602 *pwndw = NULL;
603 return ret;
604 }
605
606 drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper);
607
608 if (wndw->func->ilut) {
609 ret = nv50_lut_init(disp, mmu, &wndw->ilut);
610 if (ret)
611 return ret;
612 }
613
614 wndw->notify.func = nv50_wndw_notify;
615 return 0;
616 }
617
618 int
nv50_wndw_new(struct nouveau_drm * drm,enum drm_plane_type type,int index,struct nv50_wndw ** pwndw)619 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
620 struct nv50_wndw **pwndw)
621 {
622 struct {
623 s32 oclass;
624 int version;
625 int (*new)(struct nouveau_drm *, enum drm_plane_type,
626 int, s32, struct nv50_wndw **);
627 } wndws[] = {
628 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new },
629 {}
630 };
631 struct nv50_disp *disp = nv50_disp(drm->dev);
632 int cid, ret;
633
634 cid = nvif_mclass(&disp->disp->object, wndws);
635 if (cid < 0) {
636 NV_ERROR(drm, "No supported window class\n");
637 return cid;
638 }
639
640 ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw);
641 if (ret)
642 return ret;
643
644 return nv50_wimm_init(drm, *pwndw);
645 }
646