11590700dSBen Skeggs /* 21590700dSBen Skeggs * Copyright 2018 Red Hat Inc. 31590700dSBen Skeggs * 41590700dSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 51590700dSBen Skeggs * copy of this software and associated documentation files (the "Software"), 61590700dSBen Skeggs * to deal in the Software without restriction, including without limitation 71590700dSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 81590700dSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 91590700dSBen Skeggs * Software is furnished to do so, subject to the following conditions: 101590700dSBen Skeggs * 111590700dSBen Skeggs * The above copyright notice and this permission notice shall be included in 121590700dSBen Skeggs * all copies or substantial portions of the Software. 131590700dSBen Skeggs * 141590700dSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 151590700dSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 161590700dSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 171590700dSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 181590700dSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 191590700dSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 201590700dSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 211590700dSBen Skeggs */ 221590700dSBen Skeggs #include "wndw.h" 231590700dSBen Skeggs 241590700dSBen Skeggs #include <nvif/class.h> 251590700dSBen Skeggs #include <nvif/cl0002.h> 261590700dSBen Skeggs 271590700dSBen Skeggs #include <drm/drm_atomic_helper.h> 281590700dSBen Skeggs #include "nouveau_bo.h" 291590700dSBen Skeggs 301590700dSBen Skeggs static void 311590700dSBen Skeggs nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma) 321590700dSBen Skeggs { 331590700dSBen Skeggs nvif_object_fini(&ctxdma->object); 341590700dSBen Skeggs list_del(&ctxdma->head); 351590700dSBen Skeggs kfree(ctxdma); 361590700dSBen Skeggs } 371590700dSBen Skeggs 381590700dSBen Skeggs static struct nv50_wndw_ctxdma * 391590700dSBen Skeggs nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb) 401590700dSBen Skeggs { 411590700dSBen Skeggs struct nouveau_drm *drm = nouveau_drm(fb->base.dev); 421590700dSBen Skeggs struct nv50_wndw_ctxdma *ctxdma; 431590700dSBen Skeggs const u8 kind = fb->nvbo->kind; 441590700dSBen Skeggs const u32 handle = 0xfb000000 | kind; 451590700dSBen Skeggs struct { 461590700dSBen Skeggs struct nv_dma_v0 base; 471590700dSBen Skeggs union { 481590700dSBen Skeggs struct nv50_dma_v0 nv50; 491590700dSBen Skeggs struct gf100_dma_v0 gf100; 501590700dSBen Skeggs struct gf119_dma_v0 gf119; 511590700dSBen Skeggs }; 521590700dSBen Skeggs } args = {}; 531590700dSBen Skeggs u32 argc = sizeof(args.base); 541590700dSBen Skeggs int ret; 551590700dSBen Skeggs 561590700dSBen Skeggs list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) { 571590700dSBen Skeggs if (ctxdma->object.handle == handle) 581590700dSBen Skeggs return ctxdma; 591590700dSBen Skeggs } 601590700dSBen Skeggs 611590700dSBen Skeggs if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL))) 621590700dSBen Skeggs return ERR_PTR(-ENOMEM); 631590700dSBen Skeggs list_add(&ctxdma->head, &wndw->ctxdma.list); 641590700dSBen Skeggs 651590700dSBen Skeggs args.base.target = NV_DMA_V0_TARGET_VRAM; 661590700dSBen Skeggs args.base.access = NV_DMA_V0_ACCESS_RDWR; 671590700dSBen Skeggs args.base.start = 0; 681590700dSBen Skeggs args.base.limit = drm->client.device.info.ram_user - 1; 691590700dSBen Skeggs 701590700dSBen Skeggs if (drm->client.device.info.chipset < 0x80) { 711590700dSBen Skeggs args.nv50.part = NV50_DMA_V0_PART_256; 721590700dSBen Skeggs argc += sizeof(args.nv50); 731590700dSBen Skeggs } else 741590700dSBen Skeggs if (drm->client.device.info.chipset < 0xc0) { 751590700dSBen Skeggs args.nv50.part = NV50_DMA_V0_PART_256; 761590700dSBen Skeggs args.nv50.kind = kind; 771590700dSBen Skeggs argc += sizeof(args.nv50); 781590700dSBen Skeggs } else 791590700dSBen Skeggs if (drm->client.device.info.chipset < 0xd0) { 801590700dSBen Skeggs args.gf100.kind = kind; 811590700dSBen Skeggs argc += sizeof(args.gf100); 821590700dSBen Skeggs } else { 831590700dSBen Skeggs args.gf119.page = GF119_DMA_V0_PAGE_LP; 841590700dSBen Skeggs args.gf119.kind = kind; 851590700dSBen Skeggs argc += sizeof(args.gf119); 861590700dSBen Skeggs } 871590700dSBen Skeggs 881590700dSBen Skeggs ret = nvif_object_init(wndw->ctxdma.parent, handle, NV_DMA_IN_MEMORY, 891590700dSBen Skeggs &args, argc, &ctxdma->object); 901590700dSBen Skeggs if (ret) { 911590700dSBen Skeggs nv50_wndw_ctxdma_del(ctxdma); 921590700dSBen Skeggs return ERR_PTR(ret); 931590700dSBen Skeggs } 941590700dSBen Skeggs 951590700dSBen Skeggs return ctxdma; 961590700dSBen Skeggs } 971590700dSBen Skeggs 981590700dSBen Skeggs int 991590700dSBen Skeggs nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 1001590700dSBen Skeggs { 1011590700dSBen Skeggs if (asyw->set.ntfy) 1021590700dSBen Skeggs return wndw->func->ntfy_wait_begun(wndw, asyw); 1031590700dSBen Skeggs return 0; 1041590700dSBen Skeggs } 1051590700dSBen Skeggs 1061590700dSBen Skeggs u32 1071590700dSBen Skeggs nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 interlock, bool flush, 1081590700dSBen Skeggs struct nv50_wndw_atom *asyw) 1091590700dSBen Skeggs { 1101590700dSBen Skeggs if (asyw->clr.sema && (!asyw->set.sema || flush)) 1111590700dSBen Skeggs wndw->func->sema_clr(wndw); 1121590700dSBen Skeggs if (asyw->clr.ntfy && (!asyw->set.ntfy || flush)) 1131590700dSBen Skeggs wndw->func->ntfy_clr(wndw); 1141590700dSBen Skeggs if (asyw->clr.image && (!asyw->set.image || flush)) 1151590700dSBen Skeggs wndw->func->image_clr(wndw); 1161590700dSBen Skeggs 1171590700dSBen Skeggs return flush ? wndw->func->update(wndw, interlock) : 0; 1181590700dSBen Skeggs } 1191590700dSBen Skeggs 1201590700dSBen Skeggs u32 1211590700dSBen Skeggs nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 interlock, 1221590700dSBen Skeggs struct nv50_wndw_atom *asyw) 1231590700dSBen Skeggs { 1241590700dSBen Skeggs if (interlock) { 1251590700dSBen Skeggs asyw->image.mode = 0; 1261590700dSBen Skeggs asyw->image.interval = 1; 1271590700dSBen Skeggs } 1281590700dSBen Skeggs 1291590700dSBen Skeggs if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw); 1301590700dSBen Skeggs if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw); 1311590700dSBen Skeggs if (asyw->set.image) wndw->func->image_set(wndw, asyw); 1321590700dSBen Skeggs if (asyw->set.lut ) wndw->func->lut (wndw, asyw); 1331590700dSBen Skeggs if (asyw->set.point) { 1341590700dSBen Skeggs wndw->immd->point(wndw, asyw); 1351590700dSBen Skeggs wndw->immd->update(wndw, interlock); 1361590700dSBen Skeggs } 1371590700dSBen Skeggs 1381590700dSBen Skeggs return wndw->func->update ? wndw->func->update(wndw, interlock) : 0; 1391590700dSBen Skeggs } 1401590700dSBen Skeggs 1411590700dSBen Skeggs static void 1421590700dSBen Skeggs nv50_wndw_atomic_check_release(struct nv50_wndw *wndw, 1431590700dSBen Skeggs struct nv50_wndw_atom *asyw, 1441590700dSBen Skeggs struct nv50_head_atom *asyh) 1451590700dSBen Skeggs { 1461590700dSBen Skeggs struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); 1471590700dSBen Skeggs NV_ATOMIC(drm, "%s release\n", wndw->plane.name); 1481590700dSBen Skeggs wndw->func->release(wndw, asyw, asyh); 1491590700dSBen Skeggs asyw->ntfy.handle = 0; 1501590700dSBen Skeggs asyw->sema.handle = 0; 1511590700dSBen Skeggs } 1521590700dSBen Skeggs 1531590700dSBen Skeggs static int 1541590700dSBen Skeggs nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, 1551590700dSBen Skeggs struct nv50_wndw_atom *asyw, 1561590700dSBen Skeggs struct nv50_head_atom *asyh) 1571590700dSBen Skeggs { 1581590700dSBen Skeggs struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb); 1591590700dSBen Skeggs struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); 1601590700dSBen Skeggs int ret; 1611590700dSBen Skeggs 1621590700dSBen Skeggs NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); 1631590700dSBen Skeggs 1641590700dSBen Skeggs asyw->image.w = fb->base.width; 1651590700dSBen Skeggs asyw->image.h = fb->base.height; 1661590700dSBen Skeggs asyw->image.kind = fb->nvbo->kind; 1671590700dSBen Skeggs 1681590700dSBen Skeggs if (asyh->state.pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) 1691590700dSBen Skeggs asyw->interval = 0; 1701590700dSBen Skeggs else 1711590700dSBen Skeggs asyw->interval = 1; 1721590700dSBen Skeggs 1731590700dSBen Skeggs if (asyw->image.kind) { 1741590700dSBen Skeggs asyw->image.layout = 0; 1751590700dSBen Skeggs if (drm->client.device.info.chipset >= 0xc0) 1761590700dSBen Skeggs asyw->image.block = fb->nvbo->mode >> 4; 1771590700dSBen Skeggs else 1781590700dSBen Skeggs asyw->image.block = fb->nvbo->mode; 1791590700dSBen Skeggs asyw->image.pitch = (fb->base.pitches[0] / 4) << 4; 1801590700dSBen Skeggs } else { 1811590700dSBen Skeggs asyw->image.layout = 1; 1821590700dSBen Skeggs asyw->image.block = 0; 1831590700dSBen Skeggs asyw->image.pitch = fb->base.pitches[0]; 1841590700dSBen Skeggs } 1851590700dSBen Skeggs 1861590700dSBen Skeggs ret = wndw->func->acquire(wndw, asyw, asyh); 1871590700dSBen Skeggs if (ret) 1881590700dSBen Skeggs return ret; 1891590700dSBen Skeggs 1901590700dSBen Skeggs if (asyw->set.image) { 1911590700dSBen Skeggs if (!(asyw->image.mode = asyw->interval ? 0 : 1)) 1921590700dSBen Skeggs asyw->image.interval = asyw->interval; 1931590700dSBen Skeggs else 1941590700dSBen Skeggs asyw->image.interval = 0; 1951590700dSBen Skeggs } 1961590700dSBen Skeggs 1971590700dSBen Skeggs return 0; 1981590700dSBen Skeggs } 1991590700dSBen Skeggs 2001590700dSBen Skeggs int 2011590700dSBen Skeggs nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) 2021590700dSBen Skeggs { 2031590700dSBen Skeggs struct nouveau_drm *drm = nouveau_drm(plane->dev); 2041590700dSBen Skeggs struct nv50_wndw *wndw = nv50_wndw(plane); 2051590700dSBen Skeggs struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state); 2061590700dSBen Skeggs struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 2071590700dSBen Skeggs struct nv50_head_atom *harm = NULL, *asyh = NULL; 2081590700dSBen Skeggs bool varm = false, asyv = false, asym = false; 2091590700dSBen Skeggs int ret; 2101590700dSBen Skeggs 2111590700dSBen Skeggs NV_ATOMIC(drm, "%s atomic_check\n", plane->name); 2121590700dSBen Skeggs if (asyw->state.crtc) { 2131590700dSBen Skeggs asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 2141590700dSBen Skeggs if (IS_ERR(asyh)) 2151590700dSBen Skeggs return PTR_ERR(asyh); 2161590700dSBen Skeggs asym = drm_atomic_crtc_needs_modeset(&asyh->state); 2171590700dSBen Skeggs asyv = asyh->state.active; 2181590700dSBen Skeggs } 2191590700dSBen Skeggs 2201590700dSBen Skeggs if (armw->state.crtc) { 2211590700dSBen Skeggs harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc); 2221590700dSBen Skeggs if (IS_ERR(harm)) 2231590700dSBen Skeggs return PTR_ERR(harm); 2241590700dSBen Skeggs varm = harm->state.crtc->state->active; 2251590700dSBen Skeggs } 2261590700dSBen Skeggs 2271590700dSBen Skeggs if (asyv) { 2281590700dSBen Skeggs asyw->point.x = asyw->state.crtc_x; 2291590700dSBen Skeggs asyw->point.y = asyw->state.crtc_y; 2301590700dSBen Skeggs if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point))) 2311590700dSBen Skeggs asyw->set.point = true; 2321590700dSBen Skeggs 2331590700dSBen Skeggs ret = nv50_wndw_atomic_check_acquire(wndw, asyw, asyh); 2341590700dSBen Skeggs if (ret) 2351590700dSBen Skeggs return ret; 2361590700dSBen Skeggs } else 2371590700dSBen Skeggs if (varm) { 2381590700dSBen Skeggs nv50_wndw_atomic_check_release(wndw, asyw, harm); 2391590700dSBen Skeggs } else { 2401590700dSBen Skeggs return 0; 2411590700dSBen Skeggs } 2421590700dSBen Skeggs 2431590700dSBen Skeggs if (!asyv || asym) { 2441590700dSBen Skeggs asyw->clr.ntfy = armw->ntfy.handle != 0; 2451590700dSBen Skeggs asyw->clr.sema = armw->sema.handle != 0; 2461590700dSBen Skeggs if (wndw->func->image_clr) 2471590700dSBen Skeggs asyw->clr.image = armw->image.handle != 0; 2481590700dSBen Skeggs asyw->set.lut = wndw->func->lut && asyv; 2491590700dSBen Skeggs } 2501590700dSBen Skeggs 2511590700dSBen Skeggs return 0; 2521590700dSBen Skeggs } 2531590700dSBen Skeggs 2541590700dSBen Skeggs static void 2551590700dSBen Skeggs nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) 2561590700dSBen Skeggs { 2571590700dSBen Skeggs struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb); 2581590700dSBen Skeggs struct nouveau_drm *drm = nouveau_drm(plane->dev); 2591590700dSBen Skeggs 2601590700dSBen Skeggs NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb); 2611590700dSBen Skeggs if (!old_state->fb) 2621590700dSBen Skeggs return; 2631590700dSBen Skeggs 2641590700dSBen Skeggs nouveau_bo_unpin(fb->nvbo); 2651590700dSBen Skeggs } 2661590700dSBen Skeggs 2671590700dSBen Skeggs static int 2681590700dSBen Skeggs nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) 2691590700dSBen Skeggs { 2701590700dSBen Skeggs struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb); 2711590700dSBen Skeggs struct nouveau_drm *drm = nouveau_drm(plane->dev); 2721590700dSBen Skeggs struct nv50_wndw *wndw = nv50_wndw(plane); 2731590700dSBen Skeggs struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 2741590700dSBen Skeggs struct nv50_head_atom *asyh; 2751590700dSBen Skeggs struct nv50_wndw_ctxdma *ctxdma; 2761590700dSBen Skeggs int ret; 2771590700dSBen Skeggs 2781590700dSBen Skeggs NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb); 2791590700dSBen Skeggs if (!asyw->state.fb) 2801590700dSBen Skeggs return 0; 2811590700dSBen Skeggs 2821590700dSBen Skeggs ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true); 2831590700dSBen Skeggs if (ret) 2841590700dSBen Skeggs return ret; 2851590700dSBen Skeggs 2861590700dSBen Skeggs ctxdma = nv50_wndw_ctxdma_new(wndw, fb); 2871590700dSBen Skeggs if (IS_ERR(ctxdma)) { 2881590700dSBen Skeggs nouveau_bo_unpin(fb->nvbo); 2891590700dSBen Skeggs return PTR_ERR(ctxdma); 2901590700dSBen Skeggs } 2911590700dSBen Skeggs 2921590700dSBen Skeggs asyw->state.fence = reservation_object_get_excl_rcu(fb->nvbo->bo.resv); 2931590700dSBen Skeggs asyw->image.handle = ctxdma->object.handle; 2941590700dSBen Skeggs asyw->image.offset = fb->nvbo->bo.offset; 2951590700dSBen Skeggs 2961590700dSBen Skeggs if (wndw->func->prepare) { 2971590700dSBen Skeggs asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); 2981590700dSBen Skeggs if (IS_ERR(asyh)) 2991590700dSBen Skeggs return PTR_ERR(asyh); 3001590700dSBen Skeggs 3011590700dSBen Skeggs wndw->func->prepare(wndw, asyh, asyw); 3021590700dSBen Skeggs } 3031590700dSBen Skeggs 3041590700dSBen Skeggs return 0; 3051590700dSBen Skeggs } 3061590700dSBen Skeggs 3071590700dSBen Skeggs static const struct drm_plane_helper_funcs 3081590700dSBen Skeggs nv50_wndw_helper = { 3091590700dSBen Skeggs .prepare_fb = nv50_wndw_prepare_fb, 3101590700dSBen Skeggs .cleanup_fb = nv50_wndw_cleanup_fb, 3111590700dSBen Skeggs .atomic_check = nv50_wndw_atomic_check, 3121590700dSBen Skeggs }; 3131590700dSBen Skeggs 3141590700dSBen Skeggs static void 3151590700dSBen Skeggs nv50_wndw_atomic_destroy_state(struct drm_plane *plane, 3161590700dSBen Skeggs struct drm_plane_state *state) 3171590700dSBen Skeggs { 3181590700dSBen Skeggs struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); 3191590700dSBen Skeggs __drm_atomic_helper_plane_destroy_state(&asyw->state); 3201590700dSBen Skeggs kfree(asyw); 3211590700dSBen Skeggs } 3221590700dSBen Skeggs 3231590700dSBen Skeggs static struct drm_plane_state * 3241590700dSBen Skeggs nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) 3251590700dSBen Skeggs { 3261590700dSBen Skeggs struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state); 3271590700dSBen Skeggs struct nv50_wndw_atom *asyw; 3281590700dSBen Skeggs if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) 3291590700dSBen Skeggs return NULL; 3301590700dSBen Skeggs __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); 3311590700dSBen Skeggs asyw->interval = 1; 3321590700dSBen Skeggs asyw->sema = armw->sema; 3331590700dSBen Skeggs asyw->ntfy = armw->ntfy; 3341590700dSBen Skeggs asyw->image = armw->image; 3351590700dSBen Skeggs asyw->point = armw->point; 3361590700dSBen Skeggs asyw->lut = armw->lut; 3371590700dSBen Skeggs asyw->clr.mask = 0; 3381590700dSBen Skeggs asyw->set.mask = 0; 3391590700dSBen Skeggs return &asyw->state; 3401590700dSBen Skeggs } 3411590700dSBen Skeggs 3421590700dSBen Skeggs static void 3431590700dSBen Skeggs nv50_wndw_reset(struct drm_plane *plane) 3441590700dSBen Skeggs { 3451590700dSBen Skeggs struct nv50_wndw_atom *asyw; 3461590700dSBen Skeggs 3471590700dSBen Skeggs if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL)))) 3481590700dSBen Skeggs return; 3491590700dSBen Skeggs 3501590700dSBen Skeggs if (plane->state) 3511590700dSBen Skeggs plane->funcs->atomic_destroy_state(plane, plane->state); 3521590700dSBen Skeggs plane->state = &asyw->state; 3531590700dSBen Skeggs plane->state->plane = plane; 3541590700dSBen Skeggs plane->state->rotation = DRM_MODE_ROTATE_0; 3551590700dSBen Skeggs } 3561590700dSBen Skeggs 3571590700dSBen Skeggs static void 3581590700dSBen Skeggs nv50_wndw_destroy(struct drm_plane *plane) 3591590700dSBen Skeggs { 3601590700dSBen Skeggs struct nv50_wndw *wndw = nv50_wndw(plane); 3611590700dSBen Skeggs struct nv50_wndw_ctxdma *ctxdma, *ctxtmp; 3621590700dSBen Skeggs 3631590700dSBen Skeggs list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) { 3641590700dSBen Skeggs nv50_wndw_ctxdma_del(ctxdma); 3651590700dSBen Skeggs } 3661590700dSBen Skeggs 3671590700dSBen Skeggs nvif_notify_fini(&wndw->notify); 3681590700dSBen Skeggs nv50_dmac_destroy(&wndw->wimm); 3691590700dSBen Skeggs nv50_dmac_destroy(&wndw->wndw); 3701590700dSBen Skeggs drm_plane_cleanup(&wndw->plane); 3711590700dSBen Skeggs kfree(wndw); 3721590700dSBen Skeggs } 3731590700dSBen Skeggs 3741590700dSBen Skeggs const struct drm_plane_funcs 3751590700dSBen Skeggs nv50_wndw = { 3761590700dSBen Skeggs .update_plane = drm_atomic_helper_update_plane, 3771590700dSBen Skeggs .disable_plane = drm_atomic_helper_disable_plane, 3781590700dSBen Skeggs .destroy = nv50_wndw_destroy, 3791590700dSBen Skeggs .reset = nv50_wndw_reset, 3801590700dSBen Skeggs .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state, 3811590700dSBen Skeggs .atomic_destroy_state = nv50_wndw_atomic_destroy_state, 3821590700dSBen Skeggs }; 3831590700dSBen Skeggs 3841590700dSBen Skeggs static int 3851590700dSBen Skeggs nv50_wndw_notify(struct nvif_notify *notify) 3861590700dSBen Skeggs { 3871590700dSBen Skeggs return NVIF_NOTIFY_KEEP; 3881590700dSBen Skeggs } 3891590700dSBen Skeggs 3901590700dSBen Skeggs void 3911590700dSBen Skeggs nv50_wndw_fini(struct nv50_wndw *wndw) 3921590700dSBen Skeggs { 3931590700dSBen Skeggs nvif_notify_put(&wndw->notify); 3941590700dSBen Skeggs } 3951590700dSBen Skeggs 3961590700dSBen Skeggs void 3971590700dSBen Skeggs nv50_wndw_init(struct nv50_wndw *wndw) 3981590700dSBen Skeggs { 3991590700dSBen Skeggs nvif_notify_get(&wndw->notify); 4001590700dSBen Skeggs } 4011590700dSBen Skeggs 4021590700dSBen Skeggs int 4031590700dSBen Skeggs nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev, 4041590700dSBen Skeggs enum drm_plane_type type, const char *name, int index, 4051590700dSBen Skeggs const u32 *format, struct nv50_wndw **pwndw) 4061590700dSBen Skeggs { 4071590700dSBen Skeggs struct nv50_wndw *wndw; 4081590700dSBen Skeggs int nformat; 4091590700dSBen Skeggs int ret; 4101590700dSBen Skeggs 4111590700dSBen Skeggs if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL))) 4121590700dSBen Skeggs return -ENOMEM; 4131590700dSBen Skeggs wndw->func = func; 4141590700dSBen Skeggs wndw->id = index; 4151590700dSBen Skeggs 4161590700dSBen Skeggs wndw->ctxdma.parent = &wndw->wndw.base.user; 4171590700dSBen Skeggs INIT_LIST_HEAD(&wndw->ctxdma.list); 4181590700dSBen Skeggs 4191590700dSBen Skeggs for (nformat = 0; format[nformat]; nformat++); 4201590700dSBen Skeggs 4211590700dSBen Skeggs ret = drm_universal_plane_init(dev, &wndw->plane, 0, &nv50_wndw, 4221590700dSBen Skeggs format, nformat, NULL, 4231590700dSBen Skeggs type, "%s-%d", name, index); 4241590700dSBen Skeggs if (ret) { 4251590700dSBen Skeggs kfree(*pwndw); 4261590700dSBen Skeggs *pwndw = NULL; 4271590700dSBen Skeggs return ret; 4281590700dSBen Skeggs } 4291590700dSBen Skeggs 4301590700dSBen Skeggs drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper); 4311590700dSBen Skeggs 4321590700dSBen Skeggs wndw->notify.func = nv50_wndw_notify; 4331590700dSBen Skeggs return 0; 4341590700dSBen Skeggs } 435