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 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 * 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 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 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 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, asyw->xlut.i.buffer, 143 asyw->ilut, asyw->xlut.i.load); 144 } 145 wndw->func->xlut_set(wndw, asyw); 146 } 147 148 if (asyw->set.scale) wndw->func->scale_set(wndw, asyw); 149 if (asyw->set.point) { 150 if (asyw->set.point = false, asyw->set.mask) 151 interlock[wndw->interlock.type] |= wndw->interlock.data; 152 interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.data; 153 154 wndw->immd->point(wndw, asyw); 155 wndw->immd->update(wndw, interlock); 156 } else { 157 interlock[wndw->interlock.type] |= wndw->interlock.data; 158 } 159 } 160 161 void 162 nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 163 { 164 struct nv50_disp *disp = nv50_disp(wndw->plane.dev); 165 166 asyw->ntfy.handle = wndw->wndw.sync.handle; 167 asyw->ntfy.offset = wndw->ntfy; 168 asyw->ntfy.awaken = false; 169 asyw->set.ntfy = true; 170 171 wndw->func->ntfy_reset(disp->sync, wndw->ntfy); 172 wndw->ntfy ^= 0x10; 173 } 174 175 static void 176 nv50_wndw_atomic_check_release(struct nv50_wndw *wndw, 177 struct nv50_wndw_atom *asyw, 178 struct nv50_head_atom *asyh) 179 { 180 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); 181 NV_ATOMIC(drm, "%s release\n", wndw->plane.name); 182 wndw->func->release(wndw, asyw, asyh); 183 asyw->ntfy.handle = 0; 184 asyw->sema.handle = 0; 185 } 186 187 static int 188 nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw) 189 { 190 switch (asyw->state.fb->format->format) { 191 case DRM_FORMAT_YUYV: asyw->image.format = 0x28; break; 192 case DRM_FORMAT_UYVY: asyw->image.format = 0x29; break; 193 default: 194 WARN_ON(1); 195 return -EINVAL; 196 } 197 asyw->image.colorspace = 1; 198 return 0; 199 } 200 201 static int 202 nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw) 203 { 204 switch (asyw->state.fb->format->format) { 205 case DRM_FORMAT_C8 : asyw->image.format = 0x1e; break; 206 case DRM_FORMAT_XRGB8888 : 207 case DRM_FORMAT_ARGB8888 : asyw->image.format = 0xcf; break; 208 case DRM_FORMAT_RGB565 : asyw->image.format = 0xe8; break; 209 case DRM_FORMAT_XRGB1555 : 210 case DRM_FORMAT_ARGB1555 : asyw->image.format = 0xe9; break; 211 case DRM_FORMAT_XBGR2101010: 212 case DRM_FORMAT_ABGR2101010: asyw->image.format = 0xd1; break; 213 case DRM_FORMAT_XBGR8888 : 214 case DRM_FORMAT_ABGR8888 : asyw->image.format = 0xd5; break; 215 case DRM_FORMAT_XRGB2101010: 216 case DRM_FORMAT_ARGB2101010: asyw->image.format = 0xdf; break; 217 default: 218 return -EINVAL; 219 } 220 asyw->image.colorspace = 0; 221 return 0; 222 } 223 224 static int 225 nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset, 226 struct nv50_wndw_atom *armw, 227 struct nv50_wndw_atom *asyw, 228 struct nv50_head_atom *asyh) 229 { 230 struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb); 231 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); 232 int ret; 233 234 NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); 235 236 if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) { 237 asyw->image.w = fb->base.width; 238 asyw->image.h = fb->base.height; 239 asyw->image.kind = fb->nvbo->kind; 240 241 ret = nv50_wndw_atomic_check_acquire_rgb(asyw); 242 if (ret) { 243 ret = nv50_wndw_atomic_check_acquire_yuv(asyw); 244 if (ret) 245 return ret; 246 } 247 248 if (asyw->image.kind) { 249 asyw->image.layout = 0; 250 if (drm->client.device.info.chipset >= 0xc0) 251 asyw->image.blockh = fb->nvbo->mode >> 4; 252 else 253 asyw->image.blockh = fb->nvbo->mode; 254 asyw->image.blocks[0] = fb->base.pitches[0] / 64; 255 asyw->image.pitch[0] = 0; 256 } else { 257 asyw->image.layout = 1; 258 asyw->image.blockh = 0; 259 asyw->image.blocks[0] = 0; 260 asyw->image.pitch[0] = fb->base.pitches[0]; 261 } 262 263 if (!(asyh->state.pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC)) 264 asyw->image.interval = 1; 265 else 266 asyw->image.interval = 0; 267 asyw->image.mode = asyw->image.interval ? 0 : 1; 268 asyw->set.image = wndw->func->image_set != NULL; 269 } 270 271 if (wndw->func->scale_set) { 272 asyw->scale.sx = asyw->state.src_x >> 16; 273 asyw->scale.sy = asyw->state.src_y >> 16; 274 asyw->scale.sw = asyw->state.src_w >> 16; 275 asyw->scale.sh = asyw->state.src_h >> 16; 276 asyw->scale.dw = asyw->state.crtc_w; 277 asyw->scale.dh = asyw->state.crtc_h; 278 if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale))) 279 asyw->set.scale = true; 280 } 281 282 if (wndw->immd) { 283 asyw->point.x = asyw->state.crtc_x; 284 asyw->point.y = asyw->state.crtc_y; 285 if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point))) 286 asyw->set.point = true; 287 } 288 289 return wndw->func->acquire(wndw, asyw, asyh); 290 } 291 292 static void 293 nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw, 294 struct nv50_wndw_atom *armw, 295 struct nv50_wndw_atom *asyw, 296 struct nv50_head_atom *asyh) 297 { 298 struct drm_property_blob *ilut = asyh->state.degamma_lut; 299 300 /* I8 format without an input LUT makes no sense, and the 301 * HW error-checks for this. 302 * 303 * In order to handle legacy gamma, when there's no input 304 * LUT we need to steal the output LUT and use it instead. 305 */ 306 if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) { 307 /* This should be an error, but there's legacy clients 308 * that do a modeset before providing a gamma table. 309 * 310 * We keep the window disabled to avoid angering HW. 311 */ 312 if (!(ilut = asyh->state.gamma_lut)) { 313 asyw->visible = false; 314 return; 315 } 316 317 if (wndw->func->ilut) 318 asyh->wndw.olut |= BIT(wndw->id); 319 } else { 320 asyh->wndw.olut &= ~BIT(wndw->id); 321 } 322 323 if (!ilut && wndw->func->ilut_identity) { 324 static struct drm_property_blob dummy = {}; 325 ilut = &dummy; 326 } 327 328 /* Recalculate LUT state. */ 329 memset(&asyw->xlut, 0x00, sizeof(asyw->xlut)); 330 if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) { 331 wndw->func->ilut(wndw, asyw); 332 asyw->xlut.handle = wndw->wndw.vram.handle; 333 asyw->xlut.i.buffer = !asyw->xlut.i.buffer; 334 asyw->set.xlut = true; 335 } 336 337 /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */ 338 if (wndw->func->olut_core && 339 (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle))) 340 asyw->set.xlut = true; 341 342 /* Can't do an immediate flip while changing the LUT. */ 343 asyh->state.pageflip_flags &= ~DRM_MODE_PAGE_FLIP_ASYNC; 344 } 345 346 static int 347 nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) 348 { 349 struct nouveau_drm *drm = nouveau_drm(plane->dev); 350 struct nv50_wndw *wndw = nv50_wndw(plane); 351 struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state); 352 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 353 struct nv50_head_atom *harm = NULL, *asyh = NULL; 354 bool modeset = false; 355 int ret; 356 357 NV_ATOMIC(drm, "%s atomic_check\n", plane->name); 358 359 /* Fetch the assembly state for the head the window will belong to, 360 * and determine whether the window will be visible. 361 */ 362 if (asyw->state.crtc) { 363 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 364 if (IS_ERR(asyh)) 365 return PTR_ERR(asyh); 366 modeset = drm_atomic_crtc_needs_modeset(&asyh->state); 367 asyw->visible = asyh->state.active; 368 } else { 369 asyw->visible = false; 370 } 371 372 /* Fetch assembly state for the head the window used to belong to. */ 373 if (armw->state.crtc) { 374 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc); 375 if (IS_ERR(harm)) 376 return PTR_ERR(harm); 377 } 378 379 /* LUT configuration can potentially cause the window to be disabled. */ 380 if (asyw->visible && wndw->func->xlut_set && 381 (!armw->visible || 382 asyh->state.color_mgmt_changed || 383 asyw->state.fb->format->format != 384 armw->state.fb->format->format)) 385 nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh); 386 387 /* Calculate new window state. */ 388 if (asyw->visible) { 389 ret = nv50_wndw_atomic_check_acquire(wndw, modeset, 390 armw, asyw, asyh); 391 if (ret) 392 return ret; 393 394 asyh->wndw.mask |= BIT(wndw->id); 395 } else 396 if (armw->visible) { 397 nv50_wndw_atomic_check_release(wndw, asyw, harm); 398 harm->wndw.mask &= ~BIT(wndw->id); 399 } else { 400 return 0; 401 } 402 403 /* Aside from the obvious case where the window is actively being 404 * disabled, we might also need to temporarily disable the window 405 * when performing certain modeset operations. 406 */ 407 if (!asyw->visible || modeset) { 408 asyw->clr.ntfy = armw->ntfy.handle != 0; 409 asyw->clr.sema = armw->sema.handle != 0; 410 asyw->clr.xlut = armw->xlut.handle != 0; 411 if (wndw->func->image_clr) 412 asyw->clr.image = armw->image.handle[0] != 0; 413 } 414 415 return 0; 416 } 417 418 static void 419 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) 420 { 421 struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb); 422 struct nouveau_drm *drm = nouveau_drm(plane->dev); 423 424 NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb); 425 if (!old_state->fb) 426 return; 427 428 nouveau_bo_unpin(fb->nvbo); 429 } 430 431 static int 432 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) 433 { 434 struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb); 435 struct nouveau_drm *drm = nouveau_drm(plane->dev); 436 struct nv50_wndw *wndw = nv50_wndw(plane); 437 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 438 struct nv50_head_atom *asyh; 439 struct nv50_wndw_ctxdma *ctxdma; 440 int ret; 441 442 NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb); 443 if (!asyw->state.fb) 444 return 0; 445 446 ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true); 447 if (ret) 448 return ret; 449 450 if (wndw->ctxdma.parent) { 451 ctxdma = nv50_wndw_ctxdma_new(wndw, fb); 452 if (IS_ERR(ctxdma)) { 453 nouveau_bo_unpin(fb->nvbo); 454 return PTR_ERR(ctxdma); 455 } 456 457 asyw->image.handle[0] = ctxdma->object.handle; 458 } 459 460 asyw->state.fence = reservation_object_get_excl_rcu(fb->nvbo->bo.resv); 461 asyw->image.offset[0] = fb->nvbo->bo.offset; 462 463 if (wndw->func->prepare) { 464 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 465 if (IS_ERR(asyh)) 466 return PTR_ERR(asyh); 467 468 wndw->func->prepare(wndw, asyh, asyw); 469 } 470 471 return 0; 472 } 473 474 static const struct drm_plane_helper_funcs 475 nv50_wndw_helper = { 476 .prepare_fb = nv50_wndw_prepare_fb, 477 .cleanup_fb = nv50_wndw_cleanup_fb, 478 .atomic_check = nv50_wndw_atomic_check, 479 }; 480 481 static void 482 nv50_wndw_atomic_destroy_state(struct drm_plane *plane, 483 struct drm_plane_state *state) 484 { 485 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 486 __drm_atomic_helper_plane_destroy_state(&asyw->state); 487 kfree(asyw); 488 } 489 490 static struct drm_plane_state * 491 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) 492 { 493 struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state); 494 struct nv50_wndw_atom *asyw; 495 if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) 496 return NULL; 497 __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); 498 asyw->sema = armw->sema; 499 asyw->ntfy = armw->ntfy; 500 asyw->ilut = NULL; 501 asyw->xlut = armw->xlut; 502 asyw->image = armw->image; 503 asyw->point = armw->point; 504 asyw->clr.mask = 0; 505 asyw->set.mask = 0; 506 return &asyw->state; 507 } 508 509 static void 510 nv50_wndw_reset(struct drm_plane *plane) 511 { 512 struct nv50_wndw_atom *asyw; 513 514 if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL)))) 515 return; 516 517 if (plane->state) 518 plane->funcs->atomic_destroy_state(plane, plane->state); 519 plane->state = &asyw->state; 520 plane->state->plane = plane; 521 plane->state->rotation = DRM_MODE_ROTATE_0; 522 } 523 524 static void 525 nv50_wndw_destroy(struct drm_plane *plane) 526 { 527 struct nv50_wndw *wndw = nv50_wndw(plane); 528 struct nv50_wndw_ctxdma *ctxdma, *ctxtmp; 529 530 list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) { 531 nv50_wndw_ctxdma_del(ctxdma); 532 } 533 534 nvif_notify_fini(&wndw->notify); 535 nv50_dmac_destroy(&wndw->wimm); 536 nv50_dmac_destroy(&wndw->wndw); 537 538 nv50_lut_fini(&wndw->ilut); 539 540 drm_plane_cleanup(&wndw->plane); 541 kfree(wndw); 542 } 543 544 const struct drm_plane_funcs 545 nv50_wndw = { 546 .update_plane = drm_atomic_helper_update_plane, 547 .disable_plane = drm_atomic_helper_disable_plane, 548 .destroy = nv50_wndw_destroy, 549 .reset = nv50_wndw_reset, 550 .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state, 551 .atomic_destroy_state = nv50_wndw_atomic_destroy_state, 552 }; 553 554 static int 555 nv50_wndw_notify(struct nvif_notify *notify) 556 { 557 return NVIF_NOTIFY_KEEP; 558 } 559 560 void 561 nv50_wndw_fini(struct nv50_wndw *wndw) 562 { 563 nvif_notify_put(&wndw->notify); 564 } 565 566 void 567 nv50_wndw_init(struct nv50_wndw *wndw) 568 { 569 nvif_notify_get(&wndw->notify); 570 } 571 572 int 573 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev, 574 enum drm_plane_type type, const char *name, int index, 575 const u32 *format, u32 heads, 576 enum nv50_disp_interlock_type interlock_type, u32 interlock_data, 577 struct nv50_wndw **pwndw) 578 { 579 struct nouveau_drm *drm = nouveau_drm(dev); 580 struct nvif_mmu *mmu = &drm->client.mmu; 581 struct nv50_disp *disp = nv50_disp(dev); 582 struct nv50_wndw *wndw; 583 int nformat; 584 int ret; 585 586 if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL))) 587 return -ENOMEM; 588 wndw->func = func; 589 wndw->id = index; 590 wndw->interlock.type = interlock_type; 591 wndw->interlock.data = interlock_data; 592 593 wndw->ctxdma.parent = &wndw->wndw.base.user; 594 INIT_LIST_HEAD(&wndw->ctxdma.list); 595 596 for (nformat = 0; format[nformat]; nformat++); 597 598 ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw, 599 format, nformat, NULL, 600 type, "%s-%d", name, index); 601 if (ret) { 602 kfree(*pwndw); 603 *pwndw = NULL; 604 return ret; 605 } 606 607 drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper); 608 609 if (wndw->func->ilut) { 610 ret = nv50_lut_init(disp, mmu, &wndw->ilut); 611 if (ret) 612 return ret; 613 } 614 615 wndw->notify.func = nv50_wndw_notify; 616 return 0; 617 } 618 619 int 620 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index, 621 struct nv50_wndw **pwndw) 622 { 623 struct { 624 s32 oclass; 625 int version; 626 int (*new)(struct nouveau_drm *, enum drm_plane_type, 627 int, s32, struct nv50_wndw **); 628 } wndws[] = { 629 { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new }, 630 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new }, 631 {} 632 }; 633 struct nv50_disp *disp = nv50_disp(drm->dev); 634 int cid, ret; 635 636 cid = nvif_mclass(&disp->disp->object, wndws); 637 if (cid < 0) { 638 NV_ERROR(drm, "No supported window class\n"); 639 return cid; 640 } 641 642 ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw); 643 if (ret) 644 return ret; 645 646 return nv50_wimm_init(drm, *pwndw); 647 } 648