drivers/gpu/drm/nouveau/dispnv50/wndw.c

   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.csc  ) wndw->func->  csc_clr(wndw);
 124         if (clr.image) wndw->func->image_clr(wndw);
 125
 126         interlock[wndw->interlock.type] |= wndw->interlock.data;
 127 }
 128
 129 void
 130 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
 131                     struct nv50_wndw_atom *asyw)
 132 {
 133         if (interlock[NV50_DISP_INTERLOCK_CORE]) {
 134                 asyw->image.mode = 0;
 135                 asyw->image.interval = 1;
 136         }
 137
 138         if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw);
 139         if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw);
 140         if (asyw->set.image) wndw->func->image_set(wndw, asyw);
 141
 142         if (asyw->set.xlut ) {
 143                 if (asyw->ilut) {
 144                         asyw->xlut.i.offset =
 145                                 nv50_lut_load(&wndw->ilut, asyw->xlut.i.buffer,
 146                                               asyw->ilut, asyw->xlut.i.load);
 147                 }
 148                 wndw->func->xlut_set(wndw, asyw);
 149         }
 150
 151         if (asyw->set.csc  ) wndw->func->csc_set  (wndw, asyw);
 152         if (asyw->set.scale) wndw->func->scale_set(wndw, asyw);
 153         if (asyw->set.blend) wndw->func->blend_set(wndw, asyw);
 154         if (asyw->set.point) {
 155                 if (asyw->set.point = false, asyw->set.mask)
 156                         interlock[wndw->interlock.type] |= wndw->interlock.data;
 157                 interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.wimm;
 158
 159                 wndw->immd->point(wndw, asyw);
 160                 wndw->immd->update(wndw, interlock);
 161         } else {
 162                 interlock[wndw->interlock.type] |= wndw->interlock.data;
 163         }
 164 }
 165
 166 void
 167 nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 168 {
 169         struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
 170
 171         asyw->ntfy.handle = wndw->wndw.sync.handle;
 172         asyw->ntfy.offset = wndw->ntfy;
 173         asyw->ntfy.awaken = false;
 174         asyw->set.ntfy = true;
 175
 176         wndw->func->ntfy_reset(disp->sync, wndw->ntfy);
 177         wndw->ntfy ^= 0x10;
 178 }
 179
 180 static void
 181 nv50_wndw_atomic_check_release(struct nv50_wndw *wndw,
 182                                struct nv50_wndw_atom *asyw,
 183                                struct nv50_head_atom *asyh)
 184 {
 185         struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
 186         NV_ATOMIC(drm, "%s release\n", wndw->plane.name);
 187         wndw->func->release(wndw, asyw, asyh);
 188         asyw->ntfy.handle = 0;
 189         asyw->sema.handle = 0;
 190 }
 191
 192 static int
 193 nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw)
 194 {
 195         switch (asyw->state.fb->format->format) {
 196         case DRM_FORMAT_YUYV: asyw->image.format = 0x28; break;
 197         case DRM_FORMAT_UYVY: asyw->image.format = 0x29; break;
 198         default:
 199                 WARN_ON(1);
 200                 return -EINVAL;
 201         }
 202         asyw->image.colorspace = 1;
 203         return 0;
 204 }
 205
 206 static int
 207 nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw)
 208 {
 209         switch (asyw->state.fb->format->format) {
 210         case DRM_FORMAT_C8           : asyw->image.format = 0x1e; break;
 211         case DRM_FORMAT_XRGB8888     :
 212         case DRM_FORMAT_ARGB8888     : asyw->image.format = 0xcf; break;
 213         case DRM_FORMAT_RGB565       : asyw->image.format = 0xe8; break;
 214         case DRM_FORMAT_XRGB1555     :
 215         case DRM_FORMAT_ARGB1555     : asyw->image.format = 0xe9; break;
 216         case DRM_FORMAT_XBGR2101010  :
 217         case DRM_FORMAT_ABGR2101010  : asyw->image.format = 0xd1; break;
 218         case DRM_FORMAT_XBGR8888     :
 219         case DRM_FORMAT_ABGR8888     : asyw->image.format = 0xd5; break;
 220         case DRM_FORMAT_XRGB2101010  :
 221         case DRM_FORMAT_ARGB2101010  : asyw->image.format = 0xdf; break;
 222         case DRM_FORMAT_XBGR16161616F:
 223         case DRM_FORMAT_ABGR16161616F: asyw->image.format = 0xca; break;
 224         default:
 225                 return -EINVAL;
 226         }
 227         asyw->image.colorspace = 0;
 228         return 0;
 229 }
 230
 231 static int
 232 nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
 233                                struct nv50_wndw_atom *armw,
 234                                struct nv50_wndw_atom *asyw,
 235                                struct nv50_head_atom *asyh)
 236 {
 237         struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb);
 238         struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
 239         int ret;
 240
 241         NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name);
 242
 243         if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) {
 244                 asyw->image.w = fb->base.width;
 245                 asyw->image.h = fb->base.height;
 246                 asyw->image.kind = fb->nvbo->kind;
 247
 248                 ret = nv50_wndw_atomic_check_acquire_rgb(asyw);
 249                 if (ret) {
 250                         ret = nv50_wndw_atomic_check_acquire_yuv(asyw);
 251                         if (ret)
 252                                 return ret;
 253                 }
 254
 255                 if (asyw->image.kind) {
 256                         asyw->image.layout = 0;
 257                         if (drm->client.device.info.chipset >= 0xc0)
 258                                 asyw->image.blockh = fb->nvbo->mode >> 4;
 259                         else
 260                                 asyw->image.blockh = fb->nvbo->mode;
 261                         asyw->image.blocks[0] = fb->base.pitches[0] / 64;
 262                         asyw->image.pitch[0] = 0;
 263                 } else {
 264                         asyw->image.layout = 1;
 265                         asyw->image.blockh = 0;
 266                         asyw->image.blocks[0] = 0;
 267                         asyw->image.pitch[0] = fb->base.pitches[0];
 268                 }
 269
 270                 if (!asyh->state.async_flip)
 271                         asyw->image.interval = 1;
 272                 else
 273                         asyw->image.interval = 0;
 274                 asyw->image.mode = asyw->image.interval ? 0 : 1;
 275                 asyw->set.image = wndw->func->image_set != NULL;
 276         }
 277
 278         if (wndw->func->scale_set) {
 279                 asyw->scale.sx = asyw->state.src_x >> 16;
 280                 asyw->scale.sy = asyw->state.src_y >> 16;
 281                 asyw->scale.sw = asyw->state.src_w >> 16;
 282                 asyw->scale.sh = asyw->state.src_h >> 16;
 283                 asyw->scale.dw = asyw->state.crtc_w;
 284                 asyw->scale.dh = asyw->state.crtc_h;
 285                 if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale)))
 286                         asyw->set.scale = true;
 287         }
 288
 289         if (wndw->func->blend_set) {
 290                 asyw->blend.depth = 255 - asyw->state.normalized_zpos;
 291                 asyw->blend.k1 = asyw->state.alpha >> 8;
 292                 switch (asyw->state.pixel_blend_mode) {
 293                 case DRM_MODE_BLEND_PREMULTI:
 294                         asyw->blend.src_color = 2; /* K1 */
 295                         asyw->blend.dst_color = 7; /* NEG_K1_TIMES_SRC */
 296                         break;
 297                 case DRM_MODE_BLEND_COVERAGE:
 298                         asyw->blend.src_color = 5; /* K1_TIMES_SRC */
 299                         asyw->blend.dst_color = 7; /* NEG_K1_TIMES_SRC */
 300                         break;
 301                 case DRM_MODE_BLEND_PIXEL_NONE:
 302                 default:
 303                         asyw->blend.src_color = 2; /* K1 */
 304                         asyw->blend.dst_color = 4; /* NEG_K1 */
 305                         break;
 306                 }
 307                 if (memcmp(&armw->blend, &asyw->blend, sizeof(asyw->blend)))
 308                         asyw->set.blend = true;
 309         }
 310
 311         if (wndw->immd) {
 312                 asyw->point.x = asyw->state.crtc_x;
 313                 asyw->point.y = asyw->state.crtc_y;
 314                 if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point)))
 315                         asyw->set.point = true;
 316         }
 317
 318         return wndw->func->acquire(wndw, asyw, asyh);
 319 }
 320
 321 static int
 322 nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw,
 323                            struct nv50_wndw_atom *armw,
 324                            struct nv50_wndw_atom *asyw,
 325                            struct nv50_head_atom *asyh)
 326 {
 327         struct drm_property_blob *ilut = asyh->state.degamma_lut;
 328
 329         /* I8 format without an input LUT makes no sense, and the
 330          * HW error-checks for this.
 331          *
 332          * In order to handle legacy gamma, when there's no input
 333          * LUT we need to steal the output LUT and use it instead.
 334          */
 335         if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) {
 336                 /* This should be an error, but there's legacy clients
 337                  * that do a modeset before providing a gamma table.
 338                  *
 339                  * We keep the window disabled to avoid angering HW.
 340                  */
 341                 if (!(ilut = asyh->state.gamma_lut)) {
 342                         asyw->visible = false;
 343                         return 0;
 344                 }
 345
 346                 if (wndw->func->ilut)
 347                         asyh->wndw.olut |= BIT(wndw->id);
 348         } else {
 349                 asyh->wndw.olut &= ~BIT(wndw->id);
 350         }
 351
 352         if (!ilut && wndw->func->ilut_identity &&
 353             asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F &&
 354             asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) {
 355                 static struct drm_property_blob dummy = {};
 356                 ilut = &dummy;
 357         }
 358
 359         /* Recalculate LUT state. */
 360         memset(&asyw->xlut, 0x00, sizeof(asyw->xlut));
 361         if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) {
 362                 if (!wndw->func->ilut(wndw, asyw, drm_color_lut_size(ilut))) {
 363                         DRM_DEBUG_KMS("Invalid ilut\n");
 364                         return -EINVAL;
 365                 }
 366                 asyw->xlut.handle = wndw->wndw.vram.handle;
 367                 asyw->xlut.i.buffer = !asyw->xlut.i.buffer;
 368                 asyw->set.xlut = true;
 369         } else {
 370                 asyw->clr.xlut = armw->xlut.handle != 0;
 371         }
 372
 373         /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */
 374         if (wndw->func->olut_core &&
 375             (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle)))
 376                 asyw->set.xlut = true;
 377
 378         if (wndw->func->csc && asyh->state.ctm) {
 379                 const struct drm_color_ctm *ctm = asyh->state.ctm->data;
 380                 wndw->func->csc(wndw, asyw, ctm);
 381                 asyw->csc.valid = true;
 382                 asyw->set.csc = true;
 383         } else {
 384                 asyw->csc.valid = false;
 385                 asyw->clr.csc = armw->csc.valid;
 386         }
 387
 388         /* Can't do an immediate flip while changing the LUT. */
 389         asyh->state.async_flip = false;
 390         return 0;
 391 }
 392
 393 static int
 394 nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
 395 {
 396         struct nouveau_drm *drm = nouveau_drm(plane->dev);
 397         struct nv50_wndw *wndw = nv50_wndw(plane);
 398         struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state);
 399         struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
 400         struct nv50_head_atom *harm = NULL, *asyh = NULL;
 401         bool modeset = false;
 402         int ret;
 403
 404         NV_ATOMIC(drm, "%s atomic_check\n", plane->name);
 405
 406         /* Fetch the assembly state for the head the window will belong to,
 407          * and determine whether the window will be visible.
 408          */
 409         if (asyw->state.crtc) {
 410                 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
 411                 if (IS_ERR(asyh))
 412                         return PTR_ERR(asyh);
 413                 modeset = drm_atomic_crtc_needs_modeset(&asyh->state);
 414                 asyw->visible = asyh->state.active;
 415         } else {
 416                 asyw->visible = false;
 417         }
 418
 419         /* Fetch assembly state for the head the window used to belong to. */
 420         if (armw->state.crtc) {
 421                 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc);
 422                 if (IS_ERR(harm))
 423                         return PTR_ERR(harm);
 424         }
 425
 426         /* LUT configuration can potentially cause the window to be disabled. */
 427         if (asyw->visible && wndw->func->xlut_set &&
 428             (!armw->visible ||
 429              asyh->state.color_mgmt_changed ||
 430              asyw->state.fb->format->format !=
 431              armw->state.fb->format->format)) {
 432                 ret = nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh);
 433                 if (ret)
 434                         return ret;
 435         }
 436
 437         /* Calculate new window state. */
 438         if (asyw->visible) {
 439                 ret = nv50_wndw_atomic_check_acquire(wndw, modeset,
 440                                                      armw, asyw, asyh);
 441                 if (ret)
 442                         return ret;
 443
 444                 asyh->wndw.mask |= BIT(wndw->id);
 445         } else
 446         if (armw->visible) {
 447                 nv50_wndw_atomic_check_release(wndw, asyw, harm);
 448                 harm->wndw.mask &= ~BIT(wndw->id);
 449         } else {
 450                 return 0;
 451         }
 452
 453         /* Aside from the obvious case where the window is actively being
 454          * disabled, we might also need to temporarily disable the window
 455          * when performing certain modeset operations.
 456          */
 457         if (!asyw->visible || modeset) {
 458                 asyw->clr.ntfy = armw->ntfy.handle != 0;
 459                 asyw->clr.sema = armw->sema.handle != 0;
 460                 asyw->clr.xlut = armw->xlut.handle != 0;
 461                 asyw->clr.csc  = armw->csc.valid;
 462                 if (wndw->func->image_clr)
 463                         asyw->clr.image = armw->image.handle[0] != 0;
 464         }
 465
 466         return 0;
 467 }
 468
 469 static void
 470 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state)
 471 {
 472         struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb);
 473         struct nouveau_drm *drm = nouveau_drm(plane->dev);
 474
 475         NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb);
 476         if (!old_state->fb)
 477                 return;
 478
 479         nouveau_bo_unpin(fb->nvbo);
 480 }
 481
 482 static int
 483 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
 484 {
 485         struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb);
 486         struct nouveau_drm *drm = nouveau_drm(plane->dev);
 487         struct nv50_wndw *wndw = nv50_wndw(plane);
 488         struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
 489         struct nv50_head_atom *asyh;
 490         struct nv50_wndw_ctxdma *ctxdma;
 491         int ret;
 492
 493         NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb);
 494         if (!asyw->state.fb)
 495                 return 0;
 496
 497         ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true);
 498         if (ret)
 499                 return ret;
 500
 501         if (wndw->ctxdma.parent) {
 502                 ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
 503                 if (IS_ERR(ctxdma)) {
 504                         nouveau_bo_unpin(fb->nvbo);
 505                         return PTR_ERR(ctxdma);
 506                 }
 507
 508                 asyw->image.handle[0] = ctxdma->object.handle;
 509         }
 510
 511         asyw->state.fence = dma_resv_get_excl_rcu(fb->nvbo->bo.base.resv);
 512         asyw->image.offset[0] = fb->nvbo->bo.offset;
 513
 514         if (wndw->func->prepare) {
 515                 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
 516                 if (IS_ERR(asyh))
 517                         return PTR_ERR(asyh);
 518
 519                 wndw->func->prepare(wndw, asyh, asyw);
 520         }
 521
 522         return 0;
 523 }
 524
 525 static const struct drm_plane_helper_funcs
 526 nv50_wndw_helper = {
 527         .prepare_fb = nv50_wndw_prepare_fb,
 528         .cleanup_fb = nv50_wndw_cleanup_fb,
 529         .atomic_check = nv50_wndw_atomic_check,
 530 };
 531
 532 static void
 533 nv50_wndw_atomic_destroy_state(struct drm_plane *plane,
 534                                struct drm_plane_state *state)
 535 {
 536         struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
 537         __drm_atomic_helper_plane_destroy_state(&asyw->state);
 538         kfree(asyw);
 539 }
 540
 541 static struct drm_plane_state *
 542 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane)
 543 {
 544         struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state);
 545         struct nv50_wndw_atom *asyw;
 546         if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL)))
 547                 return NULL;
 548         __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state);
 549         asyw->sema = armw->sema;
 550         asyw->ntfy = armw->ntfy;
 551         asyw->ilut = NULL;
 552         asyw->xlut = armw->xlut;
 553         asyw->csc  = armw->csc;
 554         asyw->image = armw->image;
 555         asyw->point = armw->point;
 556         asyw->clr.mask = 0;
 557         asyw->set.mask = 0;
 558         return &asyw->state;
 559 }
 560
 561 static int
 562 nv50_wndw_zpos_default(struct drm_plane *plane)
 563 {
 564         return (plane->type == DRM_PLANE_TYPE_PRIMARY) ? 0 :
 565                (plane->type == DRM_PLANE_TYPE_OVERLAY) ? 1 : 255;
 566 }
 567
 568 static void
 569 nv50_wndw_reset(struct drm_plane *plane)
 570 {
 571         struct nv50_wndw_atom *asyw;
 572
 573         if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL))))
 574                 return;
 575
 576         if (plane->state)
 577                 plane->funcs->atomic_destroy_state(plane, plane->state);
 578
 579         __drm_atomic_helper_plane_reset(plane, &asyw->state);
 580         plane->state->zpos = nv50_wndw_zpos_default(plane);
 581         plane->state->normalized_zpos = nv50_wndw_zpos_default(plane);
 582 }
 583
 584 static void
 585 nv50_wndw_destroy(struct drm_plane *plane)
 586 {
 587         struct nv50_wndw *wndw = nv50_wndw(plane);
 588         struct nv50_wndw_ctxdma *ctxdma, *ctxtmp;
 589
 590         list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) {
 591                 nv50_wndw_ctxdma_del(ctxdma);
 592         }
 593
 594         nvif_notify_fini(&wndw->notify);
 595         nv50_dmac_destroy(&wndw->wimm);
 596         nv50_dmac_destroy(&wndw->wndw);
 597
 598         nv50_lut_fini(&wndw->ilut);
 599
 600         drm_plane_cleanup(&wndw->plane);
 601         kfree(wndw);
 602 }
 603
 604 const struct drm_plane_funcs
 605 nv50_wndw = {
 606         .update_plane = drm_atomic_helper_update_plane,
 607         .disable_plane = drm_atomic_helper_disable_plane,
 608         .destroy = nv50_wndw_destroy,
 609         .reset = nv50_wndw_reset,
 610         .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state,
 611         .atomic_destroy_state = nv50_wndw_atomic_destroy_state,
 612 };
 613
 614 static int
 615 nv50_wndw_notify(struct nvif_notify *notify)
 616 {
 617         return NVIF_NOTIFY_KEEP;
 618 }
 619
 620 void
 621 nv50_wndw_fini(struct nv50_wndw *wndw)
 622 {
 623         nvif_notify_put(&wndw->notify);
 624 }
 625
 626 void
 627 nv50_wndw_init(struct nv50_wndw *wndw)
 628 {
 629         nvif_notify_get(&wndw->notify);
 630 }
 631
 632 int
 633 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
 634                enum drm_plane_type type, const char *name, int index,
 635                const u32 *format, u32 heads,
 636                enum nv50_disp_interlock_type interlock_type, u32 interlock_data,
 637                struct nv50_wndw **pwndw)
 638 {
 639         struct nouveau_drm *drm = nouveau_drm(dev);
 640         struct nvif_mmu *mmu = &drm->client.mmu;
 641         struct nv50_disp *disp = nv50_disp(dev);
 642         struct nv50_wndw *wndw;
 643         int nformat;
 644         int ret;
 645
 646         if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL)))
 647                 return -ENOMEM;
 648         wndw->func = func;
 649         wndw->id = index;
 650         wndw->interlock.type = interlock_type;
 651         wndw->interlock.data = interlock_data;
 652
 653         wndw->ctxdma.parent = &wndw->wndw.base.user;
 654         INIT_LIST_HEAD(&wndw->ctxdma.list);
 655
 656         for (nformat = 0; format[nformat]; nformat++);
 657
 658         ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw,
 659                                        format, nformat, NULL,
 660                                        type, "%s-%d", name, index);
 661         if (ret) {
 662                 kfree(*pwndw);
 663                 *pwndw = NULL;
 664                 return ret;
 665         }
 666
 667         drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper);
 668
 669         if (wndw->func->ilut) {
 670                 ret = nv50_lut_init(disp, mmu, &wndw->ilut);
 671                 if (ret)
 672                         return ret;
 673         }
 674
 675         wndw->notify.func = nv50_wndw_notify;
 676
 677         if (wndw->func->blend_set) {
 678                 ret = drm_plane_create_zpos_property(&wndw->plane,
 679                                 nv50_wndw_zpos_default(&wndw->plane), 0, 254);
 680                 if (ret)
 681                         return ret;
 682
 683                 ret = drm_plane_create_alpha_property(&wndw->plane);
 684                 if (ret)
 685                         return ret;
 686
 687                 ret = drm_plane_create_blend_mode_property(&wndw->plane,
 688                                 BIT(DRM_MODE_BLEND_PIXEL_NONE) |
 689                                 BIT(DRM_MODE_BLEND_PREMULTI) |
 690                                 BIT(DRM_MODE_BLEND_COVERAGE));
 691                 if (ret)
 692                         return ret;
 693         } else {
 694                 ret = drm_plane_create_zpos_immutable_property(&wndw->plane,
 695                                 nv50_wndw_zpos_default(&wndw->plane));
 696                 if (ret)
 697                         return ret;
 698         }
 699
 700         return 0;
 701 }
 702
 703 int
 704 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
 705               struct nv50_wndw **pwndw)
 706 {
 707         struct {
 708                 s32 oclass;
 709                 int version;
 710                 int (*new)(struct nouveau_drm *, enum drm_plane_type,
 711                            int, s32, struct nv50_wndw **);
 712         } wndws[] = {
 713                 { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new },
 714                 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new },
 715                 {}
 716         };
 717         struct nv50_disp *disp = nv50_disp(drm->dev);
 718         int cid, ret;
 719
 720         cid = nvif_mclass(&disp->disp->object, wndws);
 721         if (cid < 0) {
 722                 NV_ERROR(drm, "No supported window class\n");
 723                 return cid;
 724         }
 725
 726         ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw);
 727         if (ret)
 728                 return ret;
 729
 730         return nv50_wimm_init(drm, *pwndw);
 731 }