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 #include "handles.h" 25 26 #include <nvif/class.h> 27 #include <nvif/cl0002.h> 28 29 #include <nvhw/class/cl507c.h> 30 #include <nvhw/class/cl507e.h> 31 #include <nvhw/class/clc37e.h> 32 33 #include <drm/drm_atomic.h> 34 #include <drm/drm_atomic_helper.h> 35 #include <drm/drm_fourcc.h> 36 37 #include "nouveau_bo.h" 38 #include "nouveau_gem.h" 39 40 static void 41 nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma) 42 { 43 nvif_object_dtor(&ctxdma->object); 44 list_del(&ctxdma->head); 45 kfree(ctxdma); 46 } 47 48 static struct nv50_wndw_ctxdma * 49 nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer *fb) 50 { 51 struct nouveau_drm *drm = nouveau_drm(fb->dev); 52 struct nv50_wndw_ctxdma *ctxdma; 53 u32 handle; 54 u32 unused; 55 u8 kind; 56 struct { 57 struct nv_dma_v0 base; 58 union { 59 struct nv50_dma_v0 nv50; 60 struct gf100_dma_v0 gf100; 61 struct gf119_dma_v0 gf119; 62 }; 63 } args = {}; 64 u32 argc = sizeof(args.base); 65 int ret; 66 67 nouveau_framebuffer_get_layout(fb, &unused, &kind); 68 handle = NV50_DISP_HANDLE_WNDW_CTX(kind); 69 70 list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) { 71 if (ctxdma->object.handle == handle) 72 return ctxdma; 73 } 74 75 if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL))) 76 return ERR_PTR(-ENOMEM); 77 list_add(&ctxdma->head, &wndw->ctxdma.list); 78 79 args.base.target = NV_DMA_V0_TARGET_VRAM; 80 args.base.access = NV_DMA_V0_ACCESS_RDWR; 81 args.base.start = 0; 82 args.base.limit = drm->client.device.info.ram_user - 1; 83 84 if (drm->client.device.info.chipset < 0x80) { 85 args.nv50.part = NV50_DMA_V0_PART_256; 86 argc += sizeof(args.nv50); 87 } else 88 if (drm->client.device.info.chipset < 0xc0) { 89 args.nv50.part = NV50_DMA_V0_PART_256; 90 args.nv50.kind = kind; 91 argc += sizeof(args.nv50); 92 } else 93 if (drm->client.device.info.chipset < 0xd0) { 94 args.gf100.kind = kind; 95 argc += sizeof(args.gf100); 96 } else { 97 args.gf119.page = GF119_DMA_V0_PAGE_LP; 98 args.gf119.kind = kind; 99 argc += sizeof(args.gf119); 100 } 101 102 ret = nvif_object_ctor(wndw->ctxdma.parent, "kmsFbCtxDma", handle, 103 NV_DMA_IN_MEMORY, &args, argc, &ctxdma->object); 104 if (ret) { 105 nv50_wndw_ctxdma_del(ctxdma); 106 return ERR_PTR(ret); 107 } 108 109 return ctxdma; 110 } 111 112 int 113 nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 114 { 115 struct nv50_disp *disp = nv50_disp(wndw->plane.dev); 116 if (asyw->set.ntfy) { 117 return wndw->func->ntfy_wait_begun(disp->sync, 118 asyw->ntfy.offset, 119 wndw->wndw.base.device); 120 } 121 return 0; 122 } 123 124 void 125 nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush, 126 struct nv50_wndw_atom *asyw) 127 { 128 union nv50_wndw_atom_mask clr = { 129 .mask = asyw->clr.mask & ~(flush ? 0 : asyw->set.mask), 130 }; 131 if (clr.sema ) wndw->func-> sema_clr(wndw); 132 if (clr.ntfy ) wndw->func-> ntfy_clr(wndw); 133 if (clr.xlut ) wndw->func-> xlut_clr(wndw); 134 if (clr.csc ) wndw->func-> csc_clr(wndw); 135 if (clr.image) wndw->func->image_clr(wndw); 136 137 interlock[wndw->interlock.type] |= wndw->interlock.data; 138 } 139 140 void 141 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock, 142 struct nv50_wndw_atom *asyw) 143 { 144 if (interlock[NV50_DISP_INTERLOCK_CORE]) { 145 asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_NON_TEARING; 146 asyw->image.interval = 1; 147 } 148 149 if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw); 150 if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw); 151 if (asyw->set.image) wndw->func->image_set(wndw, asyw); 152 153 if (asyw->set.xlut ) { 154 if (asyw->ilut) { 155 asyw->xlut.i.offset = 156 nv50_lut_load(&wndw->ilut, asyw->xlut.i.buffer, 157 asyw->ilut, asyw->xlut.i.load); 158 } 159 wndw->func->xlut_set(wndw, asyw); 160 } 161 162 if (asyw->set.csc ) wndw->func->csc_set (wndw, asyw); 163 if (asyw->set.scale) wndw->func->scale_set(wndw, asyw); 164 if (asyw->set.blend) wndw->func->blend_set(wndw, asyw); 165 if (asyw->set.point) { 166 if (asyw->set.point = false, asyw->set.mask) 167 interlock[wndw->interlock.type] |= wndw->interlock.data; 168 interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.wimm; 169 170 wndw->immd->point(wndw, asyw); 171 wndw->immd->update(wndw, interlock); 172 } else { 173 interlock[wndw->interlock.type] |= wndw->interlock.data; 174 } 175 } 176 177 void 178 nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 179 { 180 struct nv50_disp *disp = nv50_disp(wndw->plane.dev); 181 182 asyw->ntfy.handle = wndw->wndw.sync.handle; 183 asyw->ntfy.offset = wndw->ntfy; 184 asyw->ntfy.awaken = false; 185 asyw->set.ntfy = true; 186 187 wndw->func->ntfy_reset(disp->sync, wndw->ntfy); 188 wndw->ntfy ^= 0x10; 189 } 190 191 static void 192 nv50_wndw_atomic_check_release(struct nv50_wndw *wndw, 193 struct nv50_wndw_atom *asyw, 194 struct nv50_head_atom *asyh) 195 { 196 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); 197 NV_ATOMIC(drm, "%s release\n", wndw->plane.name); 198 wndw->func->release(wndw, asyw, asyh); 199 asyw->ntfy.handle = 0; 200 asyw->sema.handle = 0; 201 asyw->xlut.handle = 0; 202 memset(asyw->image.handle, 0x00, sizeof(asyw->image.handle)); 203 } 204 205 static int 206 nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw) 207 { 208 switch (asyw->state.fb->format->format) { 209 case DRM_FORMAT_YUYV: 210 asyw->image.format = NV507E_SURFACE_SET_PARAMS_FORMAT_VE8YO8UE8YE8; 211 break; 212 case DRM_FORMAT_UYVY: 213 asyw->image.format = NV507E_SURFACE_SET_PARAMS_FORMAT_YO8VE8YE8UE8; 214 break; 215 default: 216 WARN_ON(1); 217 return -EINVAL; 218 } 219 220 asyw->image.colorspace = NV507E_SURFACE_SET_PARAMS_COLOR_SPACE_YUV_601; 221 return 0; 222 } 223 224 static int 225 nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw) 226 { 227 switch (asyw->state.fb->format->format) { 228 case DRM_FORMAT_C8: 229 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_I8; 230 break; 231 case DRM_FORMAT_XRGB8888: 232 case DRM_FORMAT_ARGB8888: 233 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A8R8G8B8; 234 break; 235 case DRM_FORMAT_RGB565: 236 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_R5G6B5; 237 break; 238 case DRM_FORMAT_XRGB1555: 239 case DRM_FORMAT_ARGB1555: 240 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A1R5G5B5; 241 break; 242 case DRM_FORMAT_XBGR2101010: 243 case DRM_FORMAT_ABGR2101010: 244 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A2B10G10R10; 245 break; 246 case DRM_FORMAT_XBGR8888: 247 case DRM_FORMAT_ABGR8888: 248 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A8B8G8R8; 249 break; 250 case DRM_FORMAT_XRGB2101010: 251 case DRM_FORMAT_ARGB2101010: 252 asyw->image.format = NVC37E_SET_PARAMS_FORMAT_A2R10G10B10; 253 break; 254 case DRM_FORMAT_XBGR16161616F: 255 case DRM_FORMAT_ABGR16161616F: 256 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_RF16_GF16_BF16_AF16; 257 break; 258 default: 259 return -EINVAL; 260 } 261 262 asyw->image.colorspace = NV507E_SURFACE_SET_PARAMS_COLOR_SPACE_RGB; 263 return 0; 264 } 265 266 static int 267 nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset, 268 struct nv50_wndw_atom *armw, 269 struct nv50_wndw_atom *asyw, 270 struct nv50_head_atom *asyh) 271 { 272 struct drm_framebuffer *fb = asyw->state.fb; 273 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); 274 uint8_t kind; 275 uint32_t tile_mode; 276 int ret; 277 278 NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); 279 280 if (fb != armw->state.fb || !armw->visible || modeset) { 281 nouveau_framebuffer_get_layout(fb, &tile_mode, &kind); 282 283 asyw->image.w = fb->width; 284 asyw->image.h = fb->height; 285 asyw->image.kind = kind; 286 287 ret = nv50_wndw_atomic_check_acquire_rgb(asyw); 288 if (ret) { 289 ret = nv50_wndw_atomic_check_acquire_yuv(asyw); 290 if (ret) 291 return ret; 292 } 293 294 if (asyw->image.kind) { 295 asyw->image.layout = NV507C_SURFACE_SET_STORAGE_MEMORY_LAYOUT_BLOCKLINEAR; 296 if (drm->client.device.info.chipset >= 0xc0) 297 asyw->image.blockh = tile_mode >> 4; 298 else 299 asyw->image.blockh = tile_mode; 300 asyw->image.blocks[0] = fb->pitches[0] / 64; 301 asyw->image.pitch[0] = 0; 302 } else { 303 asyw->image.layout = NV507C_SURFACE_SET_STORAGE_MEMORY_LAYOUT_PITCH; 304 asyw->image.blockh = NV507C_SURFACE_SET_STORAGE_BLOCK_HEIGHT_ONE_GOB; 305 asyw->image.blocks[0] = 0; 306 asyw->image.pitch[0] = fb->pitches[0]; 307 } 308 309 if (!asyh->state.async_flip) 310 asyw->image.interval = 1; 311 else 312 asyw->image.interval = 0; 313 314 if (asyw->image.interval) 315 asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_NON_TEARING; 316 else 317 asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_IMMEDIATE; 318 319 asyw->set.image = wndw->func->image_set != NULL; 320 } 321 322 if (wndw->func->scale_set) { 323 asyw->scale.sx = asyw->state.src_x >> 16; 324 asyw->scale.sy = asyw->state.src_y >> 16; 325 asyw->scale.sw = asyw->state.src_w >> 16; 326 asyw->scale.sh = asyw->state.src_h >> 16; 327 asyw->scale.dw = asyw->state.crtc_w; 328 asyw->scale.dh = asyw->state.crtc_h; 329 if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale))) 330 asyw->set.scale = true; 331 } 332 333 if (wndw->func->blend_set) { 334 asyw->blend.depth = 255 - asyw->state.normalized_zpos; 335 asyw->blend.k1 = asyw->state.alpha >> 8; 336 switch (asyw->state.pixel_blend_mode) { 337 case DRM_MODE_BLEND_PREMULTI: 338 asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1; 339 asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1_TIMES_SRC; 340 break; 341 case DRM_MODE_BLEND_COVERAGE: 342 asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1_TIMES_SRC; 343 asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1_TIMES_SRC; 344 break; 345 case DRM_MODE_BLEND_PIXEL_NONE: 346 default: 347 asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1; 348 asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1; 349 break; 350 } 351 if (memcmp(&armw->blend, &asyw->blend, sizeof(asyw->blend))) 352 asyw->set.blend = true; 353 } 354 355 if (wndw->immd) { 356 asyw->point.x = asyw->state.crtc_x; 357 asyw->point.y = asyw->state.crtc_y; 358 if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point))) 359 asyw->set.point = true; 360 } 361 362 return wndw->func->acquire(wndw, asyw, asyh); 363 } 364 365 static int 366 nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw, 367 struct nv50_wndw_atom *armw, 368 struct nv50_wndw_atom *asyw, 369 struct nv50_head_atom *asyh) 370 { 371 struct drm_property_blob *ilut = asyh->state.degamma_lut; 372 373 /* I8 format without an input LUT makes no sense, and the 374 * HW error-checks for this. 375 * 376 * In order to handle legacy gamma, when there's no input 377 * LUT we need to steal the output LUT and use it instead. 378 */ 379 if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) { 380 /* This should be an error, but there's legacy clients 381 * that do a modeset before providing a gamma table. 382 * 383 * We keep the window disabled to avoid angering HW. 384 */ 385 if (!(ilut = asyh->state.gamma_lut)) { 386 asyw->visible = false; 387 return 0; 388 } 389 390 if (wndw->func->ilut) 391 asyh->wndw.olut |= BIT(wndw->id); 392 } else { 393 asyh->wndw.olut &= ~BIT(wndw->id); 394 } 395 396 if (!ilut && wndw->func->ilut_identity && 397 asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F && 398 asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) { 399 static struct drm_property_blob dummy = {}; 400 ilut = &dummy; 401 } 402 403 /* Recalculate LUT state. */ 404 memset(&asyw->xlut, 0x00, sizeof(asyw->xlut)); 405 if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) { 406 wndw->func->ilut(wndw, asyw, drm_color_lut_size(ilut)); 407 asyw->xlut.handle = wndw->wndw.vram.handle; 408 asyw->xlut.i.buffer = !asyw->xlut.i.buffer; 409 asyw->set.xlut = true; 410 } else { 411 asyw->clr.xlut = armw->xlut.handle != 0; 412 } 413 414 /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */ 415 if (wndw->func->olut_core && 416 (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle))) 417 asyw->set.xlut = true; 418 419 if (wndw->func->csc && asyh->state.ctm) { 420 const struct drm_color_ctm *ctm = asyh->state.ctm->data; 421 wndw->func->csc(wndw, asyw, ctm); 422 asyw->csc.valid = true; 423 asyw->set.csc = true; 424 } else { 425 asyw->csc.valid = false; 426 asyw->clr.csc = armw->csc.valid; 427 } 428 429 /* Can't do an immediate flip while changing the LUT. */ 430 asyh->state.async_flip = false; 431 return 0; 432 } 433 434 static int 435 nv50_wndw_atomic_check(struct drm_plane *plane, 436 struct drm_atomic_state *state) 437 { 438 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 439 plane); 440 struct nouveau_drm *drm = nouveau_drm(plane->dev); 441 struct nv50_wndw *wndw = nv50_wndw(plane); 442 struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state); 443 struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state); 444 struct nv50_head_atom *harm = NULL, *asyh = NULL; 445 bool modeset = false; 446 int ret; 447 448 NV_ATOMIC(drm, "%s atomic_check\n", plane->name); 449 450 /* Fetch the assembly state for the head the window will belong to, 451 * and determine whether the window will be visible. 452 */ 453 if (asyw->state.crtc) { 454 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 455 if (IS_ERR(asyh)) 456 return PTR_ERR(asyh); 457 modeset = drm_atomic_crtc_needs_modeset(&asyh->state); 458 asyw->visible = asyh->state.active; 459 } else { 460 asyw->visible = false; 461 } 462 463 /* Fetch assembly state for the head the window used to belong to. */ 464 if (armw->state.crtc) { 465 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc); 466 if (IS_ERR(harm)) 467 return PTR_ERR(harm); 468 } 469 470 /* LUT configuration can potentially cause the window to be disabled. */ 471 if (asyw->visible && wndw->func->xlut_set && 472 (!armw->visible || 473 asyh->state.color_mgmt_changed || 474 asyw->state.fb->format->format != 475 armw->state.fb->format->format)) { 476 ret = nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh); 477 if (ret) 478 return ret; 479 } 480 481 /* Calculate new window state. */ 482 if (asyw->visible) { 483 ret = nv50_wndw_atomic_check_acquire(wndw, modeset, 484 armw, asyw, asyh); 485 if (ret) 486 return ret; 487 488 asyh->wndw.mask |= BIT(wndw->id); 489 } else 490 if (armw->visible) { 491 nv50_wndw_atomic_check_release(wndw, asyw, harm); 492 harm->wndw.mask &= ~BIT(wndw->id); 493 } else { 494 return 0; 495 } 496 497 /* Aside from the obvious case where the window is actively being 498 * disabled, we might also need to temporarily disable the window 499 * when performing certain modeset operations. 500 */ 501 if (!asyw->visible || modeset) { 502 asyw->clr.ntfy = armw->ntfy.handle != 0; 503 asyw->clr.sema = armw->sema.handle != 0; 504 asyw->clr.xlut = armw->xlut.handle != 0; 505 if (asyw->clr.xlut && asyw->visible) 506 asyw->set.xlut = asyw->xlut.handle != 0; 507 asyw->clr.csc = armw->csc.valid; 508 if (wndw->func->image_clr) 509 asyw->clr.image = armw->image.handle[0] != 0; 510 } 511 512 return 0; 513 } 514 515 static void 516 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) 517 { 518 struct nouveau_drm *drm = nouveau_drm(plane->dev); 519 struct nouveau_bo *nvbo; 520 521 NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb); 522 if (!old_state->fb) 523 return; 524 525 nvbo = nouveau_gem_object(old_state->fb->obj[0]); 526 nouveau_bo_unpin(nvbo); 527 } 528 529 static int 530 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) 531 { 532 struct drm_framebuffer *fb = state->fb; 533 struct nouveau_drm *drm = nouveau_drm(plane->dev); 534 struct nv50_wndw *wndw = nv50_wndw(plane); 535 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 536 struct nouveau_bo *nvbo; 537 struct nv50_head_atom *asyh; 538 struct nv50_wndw_ctxdma *ctxdma; 539 struct dma_resv_iter cursor; 540 struct dma_fence *fence; 541 int ret; 542 543 NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb); 544 if (!asyw->state.fb) 545 return 0; 546 547 nvbo = nouveau_gem_object(fb->obj[0]); 548 ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, true); 549 if (ret) 550 return ret; 551 552 if (wndw->ctxdma.parent) { 553 ctxdma = nv50_wndw_ctxdma_new(wndw, fb); 554 if (IS_ERR(ctxdma)) { 555 nouveau_bo_unpin(nvbo); 556 return PTR_ERR(ctxdma); 557 } 558 559 if (asyw->visible) 560 asyw->image.handle[0] = ctxdma->object.handle; 561 } 562 563 dma_resv_iter_begin(&cursor, nvbo->bo.base.resv, false); 564 dma_resv_for_each_fence_unlocked(&cursor, fence) { 565 /* TODO: We only use the first writer here */ 566 asyw->state.fence = dma_fence_get(fence); 567 break; 568 } 569 dma_resv_iter_end(&cursor); 570 asyw->image.offset[0] = nvbo->offset; 571 572 if (wndw->func->prepare) { 573 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 574 if (IS_ERR(asyh)) 575 return PTR_ERR(asyh); 576 577 wndw->func->prepare(wndw, asyh, asyw); 578 } 579 580 return 0; 581 } 582 583 static const struct drm_plane_helper_funcs 584 nv50_wndw_helper = { 585 .prepare_fb = nv50_wndw_prepare_fb, 586 .cleanup_fb = nv50_wndw_cleanup_fb, 587 .atomic_check = nv50_wndw_atomic_check, 588 }; 589 590 static void 591 nv50_wndw_atomic_destroy_state(struct drm_plane *plane, 592 struct drm_plane_state *state) 593 { 594 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 595 __drm_atomic_helper_plane_destroy_state(&asyw->state); 596 kfree(asyw); 597 } 598 599 static struct drm_plane_state * 600 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) 601 { 602 struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state); 603 struct nv50_wndw_atom *asyw; 604 if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) 605 return NULL; 606 __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); 607 asyw->sema = armw->sema; 608 asyw->ntfy = armw->ntfy; 609 asyw->ilut = NULL; 610 asyw->xlut = armw->xlut; 611 asyw->csc = armw->csc; 612 asyw->image = armw->image; 613 asyw->point = armw->point; 614 asyw->clr.mask = 0; 615 asyw->set.mask = 0; 616 return &asyw->state; 617 } 618 619 static int 620 nv50_wndw_zpos_default(struct drm_plane *plane) 621 { 622 return (plane->type == DRM_PLANE_TYPE_PRIMARY) ? 0 : 623 (plane->type == DRM_PLANE_TYPE_OVERLAY) ? 1 : 255; 624 } 625 626 static void 627 nv50_wndw_reset(struct drm_plane *plane) 628 { 629 struct nv50_wndw_atom *asyw; 630 631 if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL)))) 632 return; 633 634 if (plane->state) 635 plane->funcs->atomic_destroy_state(plane, plane->state); 636 637 __drm_atomic_helper_plane_reset(plane, &asyw->state); 638 } 639 640 static void 641 nv50_wndw_destroy(struct drm_plane *plane) 642 { 643 struct nv50_wndw *wndw = nv50_wndw(plane); 644 struct nv50_wndw_ctxdma *ctxdma, *ctxtmp; 645 646 list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) { 647 nv50_wndw_ctxdma_del(ctxdma); 648 } 649 650 nvif_notify_dtor(&wndw->notify); 651 nv50_dmac_destroy(&wndw->wimm); 652 nv50_dmac_destroy(&wndw->wndw); 653 654 nv50_lut_fini(&wndw->ilut); 655 656 drm_plane_cleanup(&wndw->plane); 657 kfree(wndw); 658 } 659 660 /* This function assumes the format has already been validated against the plane 661 * and the modifier was validated against the device-wides modifier list at FB 662 * creation time. 663 */ 664 static bool nv50_plane_format_mod_supported(struct drm_plane *plane, 665 u32 format, u64 modifier) 666 { 667 struct nouveau_drm *drm = nouveau_drm(plane->dev); 668 uint8_t i; 669 670 if (drm->client.device.info.chipset < 0xc0) { 671 const struct drm_format_info *info = drm_format_info(format); 672 const uint8_t kind = (modifier >> 12) & 0xff; 673 674 if (!format) return false; 675 676 for (i = 0; i < info->num_planes; i++) 677 if ((info->cpp[i] != 4) && kind != 0x70) return false; 678 } 679 680 return true; 681 } 682 683 const struct drm_plane_funcs 684 nv50_wndw = { 685 .update_plane = drm_atomic_helper_update_plane, 686 .disable_plane = drm_atomic_helper_disable_plane, 687 .destroy = nv50_wndw_destroy, 688 .reset = nv50_wndw_reset, 689 .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state, 690 .atomic_destroy_state = nv50_wndw_atomic_destroy_state, 691 .format_mod_supported = nv50_plane_format_mod_supported, 692 }; 693 694 static int 695 nv50_wndw_notify(struct nvif_notify *notify) 696 { 697 return NVIF_NOTIFY_KEEP; 698 } 699 700 void 701 nv50_wndw_fini(struct nv50_wndw *wndw) 702 { 703 nvif_notify_put(&wndw->notify); 704 } 705 706 void 707 nv50_wndw_init(struct nv50_wndw *wndw) 708 { 709 nvif_notify_get(&wndw->notify); 710 } 711 712 static const u64 nv50_cursor_format_modifiers[] = { 713 DRM_FORMAT_MOD_LINEAR, 714 DRM_FORMAT_MOD_INVALID, 715 }; 716 717 int 718 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev, 719 enum drm_plane_type type, const char *name, int index, 720 const u32 *format, u32 heads, 721 enum nv50_disp_interlock_type interlock_type, u32 interlock_data, 722 struct nv50_wndw **pwndw) 723 { 724 struct nouveau_drm *drm = nouveau_drm(dev); 725 struct nvif_mmu *mmu = &drm->client.mmu; 726 struct nv50_disp *disp = nv50_disp(dev); 727 struct nv50_wndw *wndw; 728 const u64 *format_modifiers; 729 int nformat; 730 int ret; 731 732 if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL))) 733 return -ENOMEM; 734 wndw->func = func; 735 wndw->id = index; 736 wndw->interlock.type = interlock_type; 737 wndw->interlock.data = interlock_data; 738 739 wndw->ctxdma.parent = &wndw->wndw.base.user; 740 INIT_LIST_HEAD(&wndw->ctxdma.list); 741 742 for (nformat = 0; format[nformat]; nformat++); 743 744 if (type == DRM_PLANE_TYPE_CURSOR) 745 format_modifiers = nv50_cursor_format_modifiers; 746 else 747 format_modifiers = nouveau_display(dev)->format_modifiers; 748 749 ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw, format, nformat, 750 format_modifiers, type, "%s-%d", name, index); 751 if (ret) { 752 kfree(*pwndw); 753 *pwndw = NULL; 754 return ret; 755 } 756 757 drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper); 758 759 if (wndw->func->ilut) { 760 ret = nv50_lut_init(disp, mmu, &wndw->ilut); 761 if (ret) 762 return ret; 763 } 764 765 wndw->notify.func = nv50_wndw_notify; 766 767 if (wndw->func->blend_set) { 768 ret = drm_plane_create_zpos_property(&wndw->plane, 769 nv50_wndw_zpos_default(&wndw->plane), 0, 254); 770 if (ret) 771 return ret; 772 773 ret = drm_plane_create_alpha_property(&wndw->plane); 774 if (ret) 775 return ret; 776 777 ret = drm_plane_create_blend_mode_property(&wndw->plane, 778 BIT(DRM_MODE_BLEND_PIXEL_NONE) | 779 BIT(DRM_MODE_BLEND_PREMULTI) | 780 BIT(DRM_MODE_BLEND_COVERAGE)); 781 if (ret) 782 return ret; 783 } else { 784 ret = drm_plane_create_zpos_immutable_property(&wndw->plane, 785 nv50_wndw_zpos_default(&wndw->plane)); 786 if (ret) 787 return ret; 788 } 789 790 return 0; 791 } 792 793 int 794 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index, 795 struct nv50_wndw **pwndw) 796 { 797 struct { 798 s32 oclass; 799 int version; 800 int (*new)(struct nouveau_drm *, enum drm_plane_type, 801 int, s32, struct nv50_wndw **); 802 } wndws[] = { 803 { GA102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc67e_new }, 804 { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new }, 805 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new }, 806 {} 807 }; 808 struct nv50_disp *disp = nv50_disp(drm->dev); 809 int cid, ret; 810 811 cid = nvif_mclass(&disp->disp->object, wndws); 812 if (cid < 0) { 813 NV_ERROR(drm, "No supported window class\n"); 814 return cid; 815 } 816 817 ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw); 818 if (ret) 819 return ret; 820 821 return nv50_wimm_init(drm, *pwndw); 822 } 823