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 case DRM_FORMAT_XBGR16161616F: 220 case DRM_FORMAT_ABGR16161616F: asyw->image.format = 0xca; break; 221 default: 222 return -EINVAL; 223 } 224 asyw->image.colorspace = 0; 225 return 0; 226 } 227 228 static int 229 nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset, 230 struct nv50_wndw_atom *armw, 231 struct nv50_wndw_atom *asyw, 232 struct nv50_head_atom *asyh) 233 { 234 struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb); 235 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); 236 int ret; 237 238 NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); 239 240 if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) { 241 asyw->image.w = fb->base.width; 242 asyw->image.h = fb->base.height; 243 asyw->image.kind = fb->nvbo->kind; 244 245 ret = nv50_wndw_atomic_check_acquire_rgb(asyw); 246 if (ret) { 247 ret = nv50_wndw_atomic_check_acquire_yuv(asyw); 248 if (ret) 249 return ret; 250 } 251 252 if (asyw->image.kind) { 253 asyw->image.layout = 0; 254 if (drm->client.device.info.chipset >= 0xc0) 255 asyw->image.blockh = fb->nvbo->mode >> 4; 256 else 257 asyw->image.blockh = fb->nvbo->mode; 258 asyw->image.blocks[0] = fb->base.pitches[0] / 64; 259 asyw->image.pitch[0] = 0; 260 } else { 261 asyw->image.layout = 1; 262 asyw->image.blockh = 0; 263 asyw->image.blocks[0] = 0; 264 asyw->image.pitch[0] = fb->base.pitches[0]; 265 } 266 267 if (!(asyh->state.pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC)) 268 asyw->image.interval = 1; 269 else 270 asyw->image.interval = 0; 271 asyw->image.mode = asyw->image.interval ? 0 : 1; 272 asyw->set.image = wndw->func->image_set != NULL; 273 } 274 275 if (wndw->func->scale_set) { 276 asyw->scale.sx = asyw->state.src_x >> 16; 277 asyw->scale.sy = asyw->state.src_y >> 16; 278 asyw->scale.sw = asyw->state.src_w >> 16; 279 asyw->scale.sh = asyw->state.src_h >> 16; 280 asyw->scale.dw = asyw->state.crtc_w; 281 asyw->scale.dh = asyw->state.crtc_h; 282 if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale))) 283 asyw->set.scale = true; 284 } 285 286 if (wndw->immd) { 287 asyw->point.x = asyw->state.crtc_x; 288 asyw->point.y = asyw->state.crtc_y; 289 if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point))) 290 asyw->set.point = true; 291 } 292 293 return wndw->func->acquire(wndw, asyw, asyh); 294 } 295 296 static void 297 nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw, 298 struct nv50_wndw_atom *armw, 299 struct nv50_wndw_atom *asyw, 300 struct nv50_head_atom *asyh) 301 { 302 struct drm_property_blob *ilut = asyh->state.degamma_lut; 303 304 /* I8 format without an input LUT makes no sense, and the 305 * HW error-checks for this. 306 * 307 * In order to handle legacy gamma, when there's no input 308 * LUT we need to steal the output LUT and use it instead. 309 */ 310 if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) { 311 /* This should be an error, but there's legacy clients 312 * that do a modeset before providing a gamma table. 313 * 314 * We keep the window disabled to avoid angering HW. 315 */ 316 if (!(ilut = asyh->state.gamma_lut)) { 317 asyw->visible = false; 318 return; 319 } 320 321 if (wndw->func->ilut) 322 asyh->wndw.olut |= BIT(wndw->id); 323 } else { 324 asyh->wndw.olut &= ~BIT(wndw->id); 325 } 326 327 if (!ilut && wndw->func->ilut_identity && 328 asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F && 329 asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) { 330 static struct drm_property_blob dummy = {}; 331 ilut = &dummy; 332 } 333 334 /* Recalculate LUT state. */ 335 memset(&asyw->xlut, 0x00, sizeof(asyw->xlut)); 336 if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) { 337 wndw->func->ilut(wndw, asyw); 338 asyw->xlut.handle = wndw->wndw.vram.handle; 339 asyw->xlut.i.buffer = !asyw->xlut.i.buffer; 340 asyw->set.xlut = true; 341 } else { 342 asyw->clr.xlut = armw->xlut.handle != 0; 343 } 344 345 /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */ 346 if (wndw->func->olut_core && 347 (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle))) 348 asyw->set.xlut = true; 349 350 /* Can't do an immediate flip while changing the LUT. */ 351 asyh->state.pageflip_flags &= ~DRM_MODE_PAGE_FLIP_ASYNC; 352 } 353 354 static int 355 nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) 356 { 357 struct nouveau_drm *drm = nouveau_drm(plane->dev); 358 struct nv50_wndw *wndw = nv50_wndw(plane); 359 struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state); 360 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 361 struct nv50_head_atom *harm = NULL, *asyh = NULL; 362 bool modeset = false; 363 int ret; 364 365 NV_ATOMIC(drm, "%s atomic_check\n", plane->name); 366 367 /* Fetch the assembly state for the head the window will belong to, 368 * and determine whether the window will be visible. 369 */ 370 if (asyw->state.crtc) { 371 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 372 if (IS_ERR(asyh)) 373 return PTR_ERR(asyh); 374 modeset = drm_atomic_crtc_needs_modeset(&asyh->state); 375 asyw->visible = asyh->state.active; 376 } else { 377 asyw->visible = false; 378 } 379 380 /* Fetch assembly state for the head the window used to belong to. */ 381 if (armw->state.crtc) { 382 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc); 383 if (IS_ERR(harm)) 384 return PTR_ERR(harm); 385 } 386 387 /* LUT configuration can potentially cause the window to be disabled. */ 388 if (asyw->visible && wndw->func->xlut_set && 389 (!armw->visible || 390 asyh->state.color_mgmt_changed || 391 asyw->state.fb->format->format != 392 armw->state.fb->format->format)) 393 nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh); 394 395 /* Calculate new window state. */ 396 if (asyw->visible) { 397 ret = nv50_wndw_atomic_check_acquire(wndw, modeset, 398 armw, asyw, asyh); 399 if (ret) 400 return ret; 401 402 asyh->wndw.mask |= BIT(wndw->id); 403 } else 404 if (armw->visible) { 405 nv50_wndw_atomic_check_release(wndw, asyw, harm); 406 harm->wndw.mask &= ~BIT(wndw->id); 407 } else { 408 return 0; 409 } 410 411 /* Aside from the obvious case where the window is actively being 412 * disabled, we might also need to temporarily disable the window 413 * when performing certain modeset operations. 414 */ 415 if (!asyw->visible || modeset) { 416 asyw->clr.ntfy = armw->ntfy.handle != 0; 417 asyw->clr.sema = armw->sema.handle != 0; 418 asyw->clr.xlut = armw->xlut.handle != 0; 419 if (wndw->func->image_clr) 420 asyw->clr.image = armw->image.handle[0] != 0; 421 } 422 423 return 0; 424 } 425 426 static void 427 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) 428 { 429 struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb); 430 struct nouveau_drm *drm = nouveau_drm(plane->dev); 431 432 NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb); 433 if (!old_state->fb) 434 return; 435 436 nouveau_bo_unpin(fb->nvbo); 437 } 438 439 static int 440 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) 441 { 442 struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb); 443 struct nouveau_drm *drm = nouveau_drm(plane->dev); 444 struct nv50_wndw *wndw = nv50_wndw(plane); 445 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 446 struct nv50_head_atom *asyh; 447 struct nv50_wndw_ctxdma *ctxdma; 448 int ret; 449 450 NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb); 451 if (!asyw->state.fb) 452 return 0; 453 454 ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true); 455 if (ret) 456 return ret; 457 458 if (wndw->ctxdma.parent) { 459 ctxdma = nv50_wndw_ctxdma_new(wndw, fb); 460 if (IS_ERR(ctxdma)) { 461 nouveau_bo_unpin(fb->nvbo); 462 return PTR_ERR(ctxdma); 463 } 464 465 asyw->image.handle[0] = ctxdma->object.handle; 466 } 467 468 asyw->state.fence = dma_resv_get_excl_rcu(fb->nvbo->bo.base.resv); 469 asyw->image.offset[0] = fb->nvbo->bo.offset; 470 471 if (wndw->func->prepare) { 472 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 473 if (IS_ERR(asyh)) 474 return PTR_ERR(asyh); 475 476 wndw->func->prepare(wndw, asyh, asyw); 477 } 478 479 return 0; 480 } 481 482 static const struct drm_plane_helper_funcs 483 nv50_wndw_helper = { 484 .prepare_fb = nv50_wndw_prepare_fb, 485 .cleanup_fb = nv50_wndw_cleanup_fb, 486 .atomic_check = nv50_wndw_atomic_check, 487 }; 488 489 static void 490 nv50_wndw_atomic_destroy_state(struct drm_plane *plane, 491 struct drm_plane_state *state) 492 { 493 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 494 __drm_atomic_helper_plane_destroy_state(&asyw->state); 495 kfree(asyw); 496 } 497 498 static struct drm_plane_state * 499 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) 500 { 501 struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state); 502 struct nv50_wndw_atom *asyw; 503 if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) 504 return NULL; 505 __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); 506 asyw->sema = armw->sema; 507 asyw->ntfy = armw->ntfy; 508 asyw->ilut = NULL; 509 asyw->xlut = armw->xlut; 510 asyw->image = armw->image; 511 asyw->point = armw->point; 512 asyw->clr.mask = 0; 513 asyw->set.mask = 0; 514 return &asyw->state; 515 } 516 517 static void 518 nv50_wndw_reset(struct drm_plane *plane) 519 { 520 struct nv50_wndw_atom *asyw; 521 522 if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL)))) 523 return; 524 525 if (plane->state) 526 plane->funcs->atomic_destroy_state(plane, plane->state); 527 plane->state = &asyw->state; 528 plane->state->plane = plane; 529 plane->state->rotation = DRM_MODE_ROTATE_0; 530 } 531 532 static void 533 nv50_wndw_destroy(struct drm_plane *plane) 534 { 535 struct nv50_wndw *wndw = nv50_wndw(plane); 536 struct nv50_wndw_ctxdma *ctxdma, *ctxtmp; 537 538 list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) { 539 nv50_wndw_ctxdma_del(ctxdma); 540 } 541 542 nvif_notify_fini(&wndw->notify); 543 nv50_dmac_destroy(&wndw->wimm); 544 nv50_dmac_destroy(&wndw->wndw); 545 546 nv50_lut_fini(&wndw->ilut); 547 548 drm_plane_cleanup(&wndw->plane); 549 kfree(wndw); 550 } 551 552 const struct drm_plane_funcs 553 nv50_wndw = { 554 .update_plane = drm_atomic_helper_update_plane, 555 .disable_plane = drm_atomic_helper_disable_plane, 556 .destroy = nv50_wndw_destroy, 557 .reset = nv50_wndw_reset, 558 .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state, 559 .atomic_destroy_state = nv50_wndw_atomic_destroy_state, 560 }; 561 562 static int 563 nv50_wndw_notify(struct nvif_notify *notify) 564 { 565 return NVIF_NOTIFY_KEEP; 566 } 567 568 void 569 nv50_wndw_fini(struct nv50_wndw *wndw) 570 { 571 nvif_notify_put(&wndw->notify); 572 } 573 574 void 575 nv50_wndw_init(struct nv50_wndw *wndw) 576 { 577 nvif_notify_get(&wndw->notify); 578 } 579 580 int 581 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev, 582 enum drm_plane_type type, const char *name, int index, 583 const u32 *format, u32 heads, 584 enum nv50_disp_interlock_type interlock_type, u32 interlock_data, 585 struct nv50_wndw **pwndw) 586 { 587 struct nouveau_drm *drm = nouveau_drm(dev); 588 struct nvif_mmu *mmu = &drm->client.mmu; 589 struct nv50_disp *disp = nv50_disp(dev); 590 struct nv50_wndw *wndw; 591 int nformat; 592 int ret; 593 594 if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL))) 595 return -ENOMEM; 596 wndw->func = func; 597 wndw->id = index; 598 wndw->interlock.type = interlock_type; 599 wndw->interlock.data = interlock_data; 600 601 wndw->ctxdma.parent = &wndw->wndw.base.user; 602 INIT_LIST_HEAD(&wndw->ctxdma.list); 603 604 for (nformat = 0; format[nformat]; nformat++); 605 606 ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw, 607 format, nformat, NULL, 608 type, "%s-%d", name, index); 609 if (ret) { 610 kfree(*pwndw); 611 *pwndw = NULL; 612 return ret; 613 } 614 615 drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper); 616 617 if (wndw->func->ilut) { 618 ret = nv50_lut_init(disp, mmu, &wndw->ilut); 619 if (ret) 620 return ret; 621 } 622 623 wndw->notify.func = nv50_wndw_notify; 624 return 0; 625 } 626 627 int 628 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index, 629 struct nv50_wndw **pwndw) 630 { 631 struct { 632 s32 oclass; 633 int version; 634 int (*new)(struct nouveau_drm *, enum drm_plane_type, 635 int, s32, struct nv50_wndw **); 636 } wndws[] = { 637 { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new }, 638 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new }, 639 {} 640 }; 641 struct nv50_disp *disp = nv50_disp(drm->dev); 642 int cid, ret; 643 644 cid = nvif_mclass(&disp->disp->object, wndws); 645 if (cid < 0) { 646 NV_ERROR(drm, "No supported window class\n"); 647 return cid; 648 } 649 650 ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw); 651 if (ret) 652 return ret; 653 654 return nv50_wimm_init(drm, *pwndw); 655 } 656