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 <drm/drm_fourcc.h> 30 31 #include "nouveau_bo.h" 32 33 static void 34 nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma) 35 { 36 nvif_object_fini(&ctxdma->object); 37 list_del(&ctxdma->head); 38 kfree(ctxdma); 39 } 40 41 static struct nv50_wndw_ctxdma * 42 nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb) 43 { 44 struct nouveau_drm *drm = nouveau_drm(fb->base.dev); 45 struct nv50_wndw_ctxdma *ctxdma; 46 const u8 kind = fb->nvbo->kind; 47 const u32 handle = 0xfb000000 | kind; 48 struct { 49 struct nv_dma_v0 base; 50 union { 51 struct nv50_dma_v0 nv50; 52 struct gf100_dma_v0 gf100; 53 struct gf119_dma_v0 gf119; 54 }; 55 } args = {}; 56 u32 argc = sizeof(args.base); 57 int ret; 58 59 list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) { 60 if (ctxdma->object.handle == handle) 61 return ctxdma; 62 } 63 64 if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL))) 65 return ERR_PTR(-ENOMEM); 66 list_add(&ctxdma->head, &wndw->ctxdma.list); 67 68 args.base.target = NV_DMA_V0_TARGET_VRAM; 69 args.base.access = NV_DMA_V0_ACCESS_RDWR; 70 args.base.start = 0; 71 args.base.limit = drm->client.device.info.ram_user - 1; 72 73 if (drm->client.device.info.chipset < 0x80) { 74 args.nv50.part = NV50_DMA_V0_PART_256; 75 argc += sizeof(args.nv50); 76 } else 77 if (drm->client.device.info.chipset < 0xc0) { 78 args.nv50.part = NV50_DMA_V0_PART_256; 79 args.nv50.kind = kind; 80 argc += sizeof(args.nv50); 81 } else 82 if (drm->client.device.info.chipset < 0xd0) { 83 args.gf100.kind = kind; 84 argc += sizeof(args.gf100); 85 } else { 86 args.gf119.page = GF119_DMA_V0_PAGE_LP; 87 args.gf119.kind = kind; 88 argc += sizeof(args.gf119); 89 } 90 91 ret = nvif_object_init(wndw->ctxdma.parent, handle, NV_DMA_IN_MEMORY, 92 &args, argc, &ctxdma->object); 93 if (ret) { 94 nv50_wndw_ctxdma_del(ctxdma); 95 return ERR_PTR(ret); 96 } 97 98 return ctxdma; 99 } 100 101 int 102 nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 103 { 104 struct nv50_disp *disp = nv50_disp(wndw->plane.dev); 105 if (asyw->set.ntfy) { 106 return wndw->func->ntfy_wait_begun(disp->sync, 107 asyw->ntfy.offset, 108 wndw->wndw.base.device); 109 } 110 return 0; 111 } 112 113 void 114 nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush, 115 struct nv50_wndw_atom *asyw) 116 { 117 union nv50_wndw_atom_mask clr = { 118 .mask = asyw->clr.mask & ~(flush ? 0 : asyw->set.mask), 119 }; 120 if (clr.sema ) wndw->func-> sema_clr(wndw); 121 if (clr.ntfy ) wndw->func-> ntfy_clr(wndw); 122 if (clr.xlut ) wndw->func-> xlut_clr(wndw); 123 if (clr.image) wndw->func->image_clr(wndw); 124 125 interlock[wndw->interlock.type] |= wndw->interlock.data; 126 } 127 128 void 129 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock, 130 struct nv50_wndw_atom *asyw) 131 { 132 if (interlock[NV50_DISP_INTERLOCK_CORE]) { 133 asyw->image.mode = 0; 134 asyw->image.interval = 1; 135 } 136 137 if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw); 138 if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw); 139 if (asyw->set.image) wndw->func->image_set(wndw, asyw); 140 141 if (asyw->set.xlut ) { 142 if (asyw->ilut) { 143 asyw->xlut.i.offset = 144 nv50_lut_load(&wndw->ilut, asyw->xlut.i.buffer, 145 asyw->ilut, asyw->xlut.i.load); 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 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 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 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 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 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 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 if (!ilut && wndw->func->ilut_identity && 326 asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F && 327 asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) { 328 static struct drm_property_blob dummy = {}; 329 ilut = &dummy; 330 } 331 332 /* Recalculate LUT state. */ 333 memset(&asyw->xlut, 0x00, sizeof(asyw->xlut)); 334 if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) { 335 wndw->func->ilut(wndw, asyw); 336 asyw->xlut.handle = wndw->wndw.vram.handle; 337 asyw->xlut.i.buffer = !asyw->xlut.i.buffer; 338 asyw->set.xlut = true; 339 } else { 340 asyw->clr.xlut = armw->xlut.handle != 0; 341 } 342 343 /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */ 344 if (wndw->func->olut_core && 345 (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle))) 346 asyw->set.xlut = true; 347 348 /* Can't do an immediate flip while changing the LUT. */ 349 asyh->state.pageflip_flags &= ~DRM_MODE_PAGE_FLIP_ASYNC; 350 } 351 352 static int 353 nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) 354 { 355 struct nouveau_drm *drm = nouveau_drm(plane->dev); 356 struct nv50_wndw *wndw = nv50_wndw(plane); 357 struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state); 358 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 359 struct nv50_head_atom *harm = NULL, *asyh = NULL; 360 bool modeset = false; 361 int ret; 362 363 NV_ATOMIC(drm, "%s atomic_check\n", plane->name); 364 365 /* Fetch the assembly state for the head the window will belong to, 366 * and determine whether the window will be visible. 367 */ 368 if (asyw->state.crtc) { 369 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 370 if (IS_ERR(asyh)) 371 return PTR_ERR(asyh); 372 modeset = drm_atomic_crtc_needs_modeset(&asyh->state); 373 asyw->visible = asyh->state.active; 374 } else { 375 asyw->visible = false; 376 } 377 378 /* Fetch assembly state for the head the window used to belong to. */ 379 if (armw->state.crtc) { 380 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc); 381 if (IS_ERR(harm)) 382 return PTR_ERR(harm); 383 } 384 385 /* LUT configuration can potentially cause the window to be disabled. */ 386 if (asyw->visible && wndw->func->xlut_set && 387 (!armw->visible || 388 asyh->state.color_mgmt_changed || 389 asyw->state.fb->format->format != 390 armw->state.fb->format->format)) 391 nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh); 392 393 /* Calculate new window state. */ 394 if (asyw->visible) { 395 ret = nv50_wndw_atomic_check_acquire(wndw, modeset, 396 armw, asyw, asyh); 397 if (ret) 398 return ret; 399 400 asyh->wndw.mask |= BIT(wndw->id); 401 } else 402 if (armw->visible) { 403 nv50_wndw_atomic_check_release(wndw, asyw, harm); 404 harm->wndw.mask &= ~BIT(wndw->id); 405 } else { 406 return 0; 407 } 408 409 /* Aside from the obvious case where the window is actively being 410 * disabled, we might also need to temporarily disable the window 411 * when performing certain modeset operations. 412 */ 413 if (!asyw->visible || modeset) { 414 asyw->clr.ntfy = armw->ntfy.handle != 0; 415 asyw->clr.sema = armw->sema.handle != 0; 416 asyw->clr.xlut = armw->xlut.handle != 0; 417 if (wndw->func->image_clr) 418 asyw->clr.image = armw->image.handle[0] != 0; 419 } 420 421 return 0; 422 } 423 424 static void 425 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) 426 { 427 struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb); 428 struct nouveau_drm *drm = nouveau_drm(plane->dev); 429 430 NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb); 431 if (!old_state->fb) 432 return; 433 434 nouveau_bo_unpin(fb->nvbo); 435 } 436 437 static int 438 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) 439 { 440 struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb); 441 struct nouveau_drm *drm = nouveau_drm(plane->dev); 442 struct nv50_wndw *wndw = nv50_wndw(plane); 443 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 444 struct nv50_head_atom *asyh; 445 struct nv50_wndw_ctxdma *ctxdma; 446 int ret; 447 448 NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb); 449 if (!asyw->state.fb) 450 return 0; 451 452 ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true); 453 if (ret) 454 return ret; 455 456 if (wndw->ctxdma.parent) { 457 ctxdma = nv50_wndw_ctxdma_new(wndw, fb); 458 if (IS_ERR(ctxdma)) { 459 nouveau_bo_unpin(fb->nvbo); 460 return PTR_ERR(ctxdma); 461 } 462 463 asyw->image.handle[0] = ctxdma->object.handle; 464 } 465 466 asyw->state.fence = dma_resv_get_excl_rcu(fb->nvbo->bo.base.resv); 467 asyw->image.offset[0] = fb->nvbo->bo.offset; 468 469 if (wndw->func->prepare) { 470 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 471 if (IS_ERR(asyh)) 472 return PTR_ERR(asyh); 473 474 wndw->func->prepare(wndw, asyh, asyw); 475 } 476 477 return 0; 478 } 479 480 static const struct drm_plane_helper_funcs 481 nv50_wndw_helper = { 482 .prepare_fb = nv50_wndw_prepare_fb, 483 .cleanup_fb = nv50_wndw_cleanup_fb, 484 .atomic_check = nv50_wndw_atomic_check, 485 }; 486 487 static void 488 nv50_wndw_atomic_destroy_state(struct drm_plane *plane, 489 struct drm_plane_state *state) 490 { 491 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 492 __drm_atomic_helper_plane_destroy_state(&asyw->state); 493 kfree(asyw); 494 } 495 496 static struct drm_plane_state * 497 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) 498 { 499 struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state); 500 struct nv50_wndw_atom *asyw; 501 if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) 502 return NULL; 503 __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); 504 asyw->sema = armw->sema; 505 asyw->ntfy = armw->ntfy; 506 asyw->ilut = NULL; 507 asyw->xlut = armw->xlut; 508 asyw->image = armw->image; 509 asyw->point = armw->point; 510 asyw->clr.mask = 0; 511 asyw->set.mask = 0; 512 return &asyw->state; 513 } 514 515 static void 516 nv50_wndw_reset(struct drm_plane *plane) 517 { 518 struct nv50_wndw_atom *asyw; 519 520 if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL)))) 521 return; 522 523 if (plane->state) 524 plane->funcs->atomic_destroy_state(plane, plane->state); 525 plane->state = &asyw->state; 526 plane->state->plane = plane; 527 plane->state->rotation = DRM_MODE_ROTATE_0; 528 } 529 530 static void 531 nv50_wndw_destroy(struct drm_plane *plane) 532 { 533 struct nv50_wndw *wndw = nv50_wndw(plane); 534 struct nv50_wndw_ctxdma *ctxdma, *ctxtmp; 535 536 list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) { 537 nv50_wndw_ctxdma_del(ctxdma); 538 } 539 540 nvif_notify_fini(&wndw->notify); 541 nv50_dmac_destroy(&wndw->wimm); 542 nv50_dmac_destroy(&wndw->wndw); 543 544 nv50_lut_fini(&wndw->ilut); 545 546 drm_plane_cleanup(&wndw->plane); 547 kfree(wndw); 548 } 549 550 const struct drm_plane_funcs 551 nv50_wndw = { 552 .update_plane = drm_atomic_helper_update_plane, 553 .disable_plane = drm_atomic_helper_disable_plane, 554 .destroy = nv50_wndw_destroy, 555 .reset = nv50_wndw_reset, 556 .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state, 557 .atomic_destroy_state = nv50_wndw_atomic_destroy_state, 558 }; 559 560 static int 561 nv50_wndw_notify(struct nvif_notify *notify) 562 { 563 return NVIF_NOTIFY_KEEP; 564 } 565 566 void 567 nv50_wndw_fini(struct nv50_wndw *wndw) 568 { 569 nvif_notify_put(&wndw->notify); 570 } 571 572 void 573 nv50_wndw_init(struct nv50_wndw *wndw) 574 { 575 nvif_notify_get(&wndw->notify); 576 } 577 578 int 579 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev, 580 enum drm_plane_type type, const char *name, int index, 581 const u32 *format, u32 heads, 582 enum nv50_disp_interlock_type interlock_type, u32 interlock_data, 583 struct nv50_wndw **pwndw) 584 { 585 struct nouveau_drm *drm = nouveau_drm(dev); 586 struct nvif_mmu *mmu = &drm->client.mmu; 587 struct nv50_disp *disp = nv50_disp(dev); 588 struct nv50_wndw *wndw; 589 int nformat; 590 int ret; 591 592 if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL))) 593 return -ENOMEM; 594 wndw->func = func; 595 wndw->id = index; 596 wndw->interlock.type = interlock_type; 597 wndw->interlock.data = interlock_data; 598 599 wndw->ctxdma.parent = &wndw->wndw.base.user; 600 INIT_LIST_HEAD(&wndw->ctxdma.list); 601 602 for (nformat = 0; format[nformat]; nformat++); 603 604 ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw, 605 format, nformat, NULL, 606 type, "%s-%d", name, index); 607 if (ret) { 608 kfree(*pwndw); 609 *pwndw = NULL; 610 return ret; 611 } 612 613 drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper); 614 615 if (wndw->func->ilut) { 616 ret = nv50_lut_init(disp, mmu, &wndw->ilut); 617 if (ret) 618 return ret; 619 } 620 621 wndw->notify.func = nv50_wndw_notify; 622 return 0; 623 } 624 625 int 626 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index, 627 struct nv50_wndw **pwndw) 628 { 629 struct { 630 s32 oclass; 631 int version; 632 int (*new)(struct nouveau_drm *, enum drm_plane_type, 633 int, s32, struct nv50_wndw **); 634 } wndws[] = { 635 { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new }, 636 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new }, 637 {} 638 }; 639 struct nv50_disp *disp = nv50_disp(drm->dev); 640 int cid, ret; 641 642 cid = nvif_mclass(&disp->disp->object, wndws); 643 if (cid < 0) { 644 NV_ERROR(drm, "No supported window class\n"); 645 return cid; 646 } 647 648 ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw); 649 if (ret) 650 return ret; 651 652 return nv50_wimm_init(drm, *pwndw); 653 } 654