1926deccbSFrançois Tigeot /* 2926deccbSFrançois Tigeot * Copyright 2011 Red Hat Inc. 3926deccbSFrançois Tigeot * All Rights Reserved. 4926deccbSFrançois Tigeot * 5926deccbSFrançois Tigeot * Permission is hereby granted, free of charge, to any person obtaining a 6926deccbSFrançois Tigeot * copy of this software and associated documentation files (the 7926deccbSFrançois Tigeot * "Software"), to deal in the Software without restriction, including 8926deccbSFrançois Tigeot * without limitation the rights to use, copy, modify, merge, publish, 9926deccbSFrançois Tigeot * distribute, sub license, and/or sell copies of the Software, and to 10926deccbSFrançois Tigeot * permit persons to whom the Software is furnished to do so, subject to 11926deccbSFrançois Tigeot * the following conditions: 12926deccbSFrançois Tigeot * 13926deccbSFrançois Tigeot * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14926deccbSFrançois Tigeot * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15926deccbSFrançois Tigeot * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 16926deccbSFrançois Tigeot * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 17926deccbSFrançois Tigeot * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 18926deccbSFrançois Tigeot * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 19926deccbSFrançois Tigeot * USE OR OTHER DEALINGS IN THE SOFTWARE. 20926deccbSFrançois Tigeot * 21926deccbSFrançois Tigeot * The above copyright notice and this permission notice (including the 22926deccbSFrançois Tigeot * next paragraph) shall be included in all copies or substantial portions 23926deccbSFrançois Tigeot * of the Software. 24926deccbSFrançois Tigeot * 25926deccbSFrançois Tigeot */ 26926deccbSFrançois Tigeot /* 27926deccbSFrançois Tigeot * Authors: 28926deccbSFrançois Tigeot * Jerome Glisse <glisse@freedesktop.org> 29926deccbSFrançois Tigeot */ 30926deccbSFrançois Tigeot /* Algorithm: 31926deccbSFrançois Tigeot * 32926deccbSFrançois Tigeot * We store the last allocated bo in "hole", we always try to allocate 33926deccbSFrançois Tigeot * after the last allocated bo. Principle is that in a linear GPU ring 34926deccbSFrançois Tigeot * progression was is after last is the oldest bo we allocated and thus 35926deccbSFrançois Tigeot * the first one that should no longer be in use by the GPU. 36926deccbSFrançois Tigeot * 37926deccbSFrançois Tigeot * If it's not the case we skip over the bo after last to the closest 38926deccbSFrançois Tigeot * done bo if such one exist. If none exist and we are not asked to 39926deccbSFrançois Tigeot * block we report failure to allocate. 40926deccbSFrançois Tigeot * 41926deccbSFrançois Tigeot * If we are asked to block we wait on all the oldest fence of all 42926deccbSFrançois Tigeot * rings. We just wait for any of those fence to complete. 43926deccbSFrançois Tigeot * 44926deccbSFrançois Tigeot * $FreeBSD: head/sys/dev/drm2/radeon/radeon_sa.c 254885 2013-08-25 19:37:15Z dumbbell $ 45926deccbSFrançois Tigeot */ 46926deccbSFrançois Tigeot 47926deccbSFrançois Tigeot #include <drm/drmP.h> 48926deccbSFrançois Tigeot #include "radeon.h" 49926deccbSFrançois Tigeot 50926deccbSFrançois Tigeot static void radeon_sa_bo_remove_locked(struct radeon_sa_bo *sa_bo); 51926deccbSFrançois Tigeot static void radeon_sa_bo_try_free(struct radeon_sa_manager *sa_manager); 52926deccbSFrançois Tigeot 53926deccbSFrançois Tigeot int radeon_sa_bo_manager_init(struct radeon_device *rdev, 54926deccbSFrançois Tigeot struct radeon_sa_manager *sa_manager, 55*c6f73aabSFrançois Tigeot unsigned size, u32 align, u32 domain, u32 flags) 56926deccbSFrançois Tigeot { 57926deccbSFrançois Tigeot int i, r; 58926deccbSFrançois Tigeot 59926deccbSFrançois Tigeot lockinit(&sa_manager->wq_lock, "drm__radeon_sa_manager_wq_mtx", 0, 60926deccbSFrançois Tigeot LK_CANRECURSE); 61926deccbSFrançois Tigeot cv_init(&sa_manager->wq, "drm__radeon_sa_manager__wq"); 62926deccbSFrançois Tigeot sa_manager->bo = NULL; 63926deccbSFrançois Tigeot sa_manager->size = size; 64926deccbSFrançois Tigeot sa_manager->domain = domain; 6557e252bfSMichael Neumann sa_manager->align = align; 66926deccbSFrançois Tigeot sa_manager->hole = &sa_manager->olist; 67926deccbSFrançois Tigeot INIT_LIST_HEAD(&sa_manager->olist); 68926deccbSFrançois Tigeot for (i = 0; i < RADEON_NUM_RINGS; ++i) { 69926deccbSFrançois Tigeot INIT_LIST_HEAD(&sa_manager->flist[i]); 70926deccbSFrançois Tigeot } 71926deccbSFrançois Tigeot 7257e252bfSMichael Neumann r = radeon_bo_create(rdev, size, align, true, 73*c6f73aabSFrançois Tigeot domain, flags, NULL, &sa_manager->bo); 74926deccbSFrançois Tigeot if (r) { 75926deccbSFrançois Tigeot dev_err(rdev->dev, "(%d) failed to allocate bo for manager\n", r); 76926deccbSFrançois Tigeot return r; 77926deccbSFrançois Tigeot } 78926deccbSFrançois Tigeot 79926deccbSFrançois Tigeot return r; 80926deccbSFrançois Tigeot } 81926deccbSFrançois Tigeot 82926deccbSFrançois Tigeot void radeon_sa_bo_manager_fini(struct radeon_device *rdev, 83926deccbSFrançois Tigeot struct radeon_sa_manager *sa_manager) 84926deccbSFrançois Tigeot { 85926deccbSFrançois Tigeot struct radeon_sa_bo *sa_bo, *tmp; 86926deccbSFrançois Tigeot 87926deccbSFrançois Tigeot if (!list_empty(&sa_manager->olist)) { 88926deccbSFrançois Tigeot sa_manager->hole = &sa_manager->olist, 89926deccbSFrançois Tigeot radeon_sa_bo_try_free(sa_manager); 90926deccbSFrançois Tigeot if (!list_empty(&sa_manager->olist)) { 91926deccbSFrançois Tigeot dev_err(rdev->dev, "sa_manager is not empty, clearing anyway\n"); 92926deccbSFrançois Tigeot } 93926deccbSFrançois Tigeot } 94926deccbSFrançois Tigeot list_for_each_entry_safe(sa_bo, tmp, &sa_manager->olist, olist) { 95926deccbSFrançois Tigeot radeon_sa_bo_remove_locked(sa_bo); 96926deccbSFrançois Tigeot } 97926deccbSFrançois Tigeot radeon_bo_unref(&sa_manager->bo); 98926deccbSFrançois Tigeot sa_manager->size = 0; 99926deccbSFrançois Tigeot cv_destroy(&sa_manager->wq); 100926deccbSFrançois Tigeot lockuninit(&sa_manager->wq_lock); 101926deccbSFrançois Tigeot } 102926deccbSFrançois Tigeot 103926deccbSFrançois Tigeot int radeon_sa_bo_manager_start(struct radeon_device *rdev, 104926deccbSFrançois Tigeot struct radeon_sa_manager *sa_manager) 105926deccbSFrançois Tigeot { 106926deccbSFrançois Tigeot int r; 107926deccbSFrançois Tigeot 108926deccbSFrançois Tigeot if (sa_manager->bo == NULL) { 109926deccbSFrançois Tigeot dev_err(rdev->dev, "no bo for sa manager\n"); 110926deccbSFrançois Tigeot return -EINVAL; 111926deccbSFrançois Tigeot } 112926deccbSFrançois Tigeot 113926deccbSFrançois Tigeot /* map the buffer */ 114926deccbSFrançois Tigeot r = radeon_bo_reserve(sa_manager->bo, false); 115926deccbSFrançois Tigeot if (r) { 116926deccbSFrançois Tigeot dev_err(rdev->dev, "(%d) failed to reserve manager bo\n", r); 117926deccbSFrançois Tigeot return r; 118926deccbSFrançois Tigeot } 119926deccbSFrançois Tigeot r = radeon_bo_pin(sa_manager->bo, sa_manager->domain, &sa_manager->gpu_addr); 120926deccbSFrançois Tigeot if (r) { 121926deccbSFrançois Tigeot radeon_bo_unreserve(sa_manager->bo); 122926deccbSFrançois Tigeot dev_err(rdev->dev, "(%d) failed to pin manager bo\n", r); 123926deccbSFrançois Tigeot return r; 124926deccbSFrançois Tigeot } 125926deccbSFrançois Tigeot r = radeon_bo_kmap(sa_manager->bo, &sa_manager->cpu_ptr); 126926deccbSFrançois Tigeot radeon_bo_unreserve(sa_manager->bo); 127926deccbSFrançois Tigeot return r; 128926deccbSFrançois Tigeot } 129926deccbSFrançois Tigeot 130926deccbSFrançois Tigeot int radeon_sa_bo_manager_suspend(struct radeon_device *rdev, 131926deccbSFrançois Tigeot struct radeon_sa_manager *sa_manager) 132926deccbSFrançois Tigeot { 133926deccbSFrançois Tigeot int r; 134926deccbSFrançois Tigeot 135926deccbSFrançois Tigeot if (sa_manager->bo == NULL) { 136926deccbSFrançois Tigeot dev_err(rdev->dev, "no bo for sa manager\n"); 137926deccbSFrançois Tigeot return -EINVAL; 138926deccbSFrançois Tigeot } 139926deccbSFrançois Tigeot 140926deccbSFrançois Tigeot r = radeon_bo_reserve(sa_manager->bo, false); 141926deccbSFrançois Tigeot if (!r) { 142926deccbSFrançois Tigeot radeon_bo_kunmap(sa_manager->bo); 143926deccbSFrançois Tigeot radeon_bo_unpin(sa_manager->bo); 144926deccbSFrançois Tigeot radeon_bo_unreserve(sa_manager->bo); 145926deccbSFrançois Tigeot } 146926deccbSFrançois Tigeot return r; 147926deccbSFrançois Tigeot } 148926deccbSFrançois Tigeot 149926deccbSFrançois Tigeot static void radeon_sa_bo_remove_locked(struct radeon_sa_bo *sa_bo) 150926deccbSFrançois Tigeot { 151926deccbSFrançois Tigeot struct radeon_sa_manager *sa_manager = sa_bo->manager; 152926deccbSFrançois Tigeot if (sa_manager->hole == &sa_bo->olist) { 153926deccbSFrançois Tigeot sa_manager->hole = sa_bo->olist.prev; 154926deccbSFrançois Tigeot } 155926deccbSFrançois Tigeot list_del_init(&sa_bo->olist); 156926deccbSFrançois Tigeot list_del_init(&sa_bo->flist); 157926deccbSFrançois Tigeot radeon_fence_unref(&sa_bo->fence); 158c4ef309bSzrj kfree(sa_bo); 159926deccbSFrançois Tigeot } 160926deccbSFrançois Tigeot 161926deccbSFrançois Tigeot static void radeon_sa_bo_try_free(struct radeon_sa_manager *sa_manager) 162926deccbSFrançois Tigeot { 163926deccbSFrançois Tigeot struct radeon_sa_bo *sa_bo, *tmp; 164926deccbSFrançois Tigeot 165926deccbSFrançois Tigeot if (sa_manager->hole->next == &sa_manager->olist) 166926deccbSFrançois Tigeot return; 167926deccbSFrançois Tigeot 168926deccbSFrançois Tigeot sa_bo = list_entry(sa_manager->hole->next, struct radeon_sa_bo, olist); 169926deccbSFrançois Tigeot list_for_each_entry_safe_from(sa_bo, tmp, &sa_manager->olist, olist) { 170926deccbSFrançois Tigeot if (sa_bo->fence == NULL || !radeon_fence_signaled(sa_bo->fence)) { 171926deccbSFrançois Tigeot return; 172926deccbSFrançois Tigeot } 173926deccbSFrançois Tigeot radeon_sa_bo_remove_locked(sa_bo); 174926deccbSFrançois Tigeot } 175926deccbSFrançois Tigeot } 176926deccbSFrançois Tigeot 177926deccbSFrançois Tigeot static inline unsigned radeon_sa_bo_hole_soffset(struct radeon_sa_manager *sa_manager) 178926deccbSFrançois Tigeot { 179926deccbSFrançois Tigeot struct list_head *hole = sa_manager->hole; 180926deccbSFrançois Tigeot 181926deccbSFrançois Tigeot if (hole != &sa_manager->olist) { 182926deccbSFrançois Tigeot return list_entry(hole, struct radeon_sa_bo, olist)->eoffset; 183926deccbSFrançois Tigeot } 184926deccbSFrançois Tigeot return 0; 185926deccbSFrançois Tigeot } 186926deccbSFrançois Tigeot 187926deccbSFrançois Tigeot static inline unsigned radeon_sa_bo_hole_eoffset(struct radeon_sa_manager *sa_manager) 188926deccbSFrançois Tigeot { 189926deccbSFrançois Tigeot struct list_head *hole = sa_manager->hole; 190926deccbSFrançois Tigeot 191926deccbSFrançois Tigeot if (hole->next != &sa_manager->olist) { 192926deccbSFrançois Tigeot return list_entry(hole->next, struct radeon_sa_bo, olist)->soffset; 193926deccbSFrançois Tigeot } 194926deccbSFrançois Tigeot return sa_manager->size; 195926deccbSFrançois Tigeot } 196926deccbSFrançois Tigeot 197926deccbSFrançois Tigeot static bool radeon_sa_bo_try_alloc(struct radeon_sa_manager *sa_manager, 198926deccbSFrançois Tigeot struct radeon_sa_bo *sa_bo, 199926deccbSFrançois Tigeot unsigned size, unsigned align) 200926deccbSFrançois Tigeot { 201926deccbSFrançois Tigeot unsigned soffset, eoffset, wasted; 202926deccbSFrançois Tigeot 203926deccbSFrançois Tigeot soffset = radeon_sa_bo_hole_soffset(sa_manager); 204926deccbSFrançois Tigeot eoffset = radeon_sa_bo_hole_eoffset(sa_manager); 205926deccbSFrançois Tigeot wasted = (align - (soffset % align)) % align; 206926deccbSFrançois Tigeot 207926deccbSFrançois Tigeot if ((eoffset - soffset) >= (size + wasted)) { 208926deccbSFrançois Tigeot soffset += wasted; 209926deccbSFrançois Tigeot 210926deccbSFrançois Tigeot sa_bo->manager = sa_manager; 211926deccbSFrançois Tigeot sa_bo->soffset = soffset; 212926deccbSFrançois Tigeot sa_bo->eoffset = soffset + size; 213926deccbSFrançois Tigeot list_add(&sa_bo->olist, sa_manager->hole); 214926deccbSFrançois Tigeot INIT_LIST_HEAD(&sa_bo->flist); 215926deccbSFrançois Tigeot sa_manager->hole = &sa_bo->olist; 216926deccbSFrançois Tigeot return true; 217926deccbSFrançois Tigeot } 218926deccbSFrançois Tigeot return false; 219926deccbSFrançois Tigeot } 220926deccbSFrançois Tigeot 221926deccbSFrançois Tigeot /** 222926deccbSFrançois Tigeot * radeon_sa_event - Check if we can stop waiting 223926deccbSFrançois Tigeot * 224926deccbSFrançois Tigeot * @sa_manager: pointer to the sa_manager 225926deccbSFrançois Tigeot * @size: number of bytes we want to allocate 226926deccbSFrançois Tigeot * @align: alignment we need to match 227926deccbSFrançois Tigeot * 228926deccbSFrançois Tigeot * Check if either there is a fence we can wait for or 229926deccbSFrançois Tigeot * enough free memory to satisfy the allocation directly 230926deccbSFrançois Tigeot */ 231926deccbSFrançois Tigeot static bool radeon_sa_event(struct radeon_sa_manager *sa_manager, 232926deccbSFrançois Tigeot unsigned size, unsigned align) 233926deccbSFrançois Tigeot { 234926deccbSFrançois Tigeot unsigned soffset, eoffset, wasted; 235926deccbSFrançois Tigeot int i; 236926deccbSFrançois Tigeot 237926deccbSFrançois Tigeot for (i = 0; i < RADEON_NUM_RINGS; ++i) { 238926deccbSFrançois Tigeot if (!list_empty(&sa_manager->flist[i])) { 239926deccbSFrançois Tigeot return true; 240926deccbSFrançois Tigeot } 241926deccbSFrançois Tigeot } 242926deccbSFrançois Tigeot 243926deccbSFrançois Tigeot soffset = radeon_sa_bo_hole_soffset(sa_manager); 244926deccbSFrançois Tigeot eoffset = radeon_sa_bo_hole_eoffset(sa_manager); 245926deccbSFrançois Tigeot wasted = (align - (soffset % align)) % align; 246926deccbSFrançois Tigeot 247926deccbSFrançois Tigeot if ((eoffset - soffset) >= (size + wasted)) { 248926deccbSFrançois Tigeot return true; 249926deccbSFrançois Tigeot } 250926deccbSFrançois Tigeot 251926deccbSFrançois Tigeot return false; 252926deccbSFrançois Tigeot } 253926deccbSFrançois Tigeot 254926deccbSFrançois Tigeot static bool radeon_sa_bo_next_hole(struct radeon_sa_manager *sa_manager, 255926deccbSFrançois Tigeot struct radeon_fence **fences, 256926deccbSFrançois Tigeot unsigned *tries) 257926deccbSFrançois Tigeot { 258926deccbSFrançois Tigeot struct radeon_sa_bo *best_bo = NULL; 259926deccbSFrançois Tigeot unsigned i, soffset, best, tmp; 260926deccbSFrançois Tigeot 261926deccbSFrançois Tigeot /* if hole points to the end of the buffer */ 262926deccbSFrançois Tigeot if (sa_manager->hole->next == &sa_manager->olist) { 263926deccbSFrançois Tigeot /* try again with its beginning */ 264926deccbSFrançois Tigeot sa_manager->hole = &sa_manager->olist; 265926deccbSFrançois Tigeot return true; 266926deccbSFrançois Tigeot } 267926deccbSFrançois Tigeot 268926deccbSFrançois Tigeot soffset = radeon_sa_bo_hole_soffset(sa_manager); 269926deccbSFrançois Tigeot /* to handle wrap around we add sa_manager->size */ 270926deccbSFrançois Tigeot best = sa_manager->size * 2; 271926deccbSFrançois Tigeot /* go over all fence list and try to find the closest sa_bo 272926deccbSFrançois Tigeot * of the current last 273926deccbSFrançois Tigeot */ 274926deccbSFrançois Tigeot for (i = 0; i < RADEON_NUM_RINGS; ++i) { 275926deccbSFrançois Tigeot struct radeon_sa_bo *sa_bo; 276926deccbSFrançois Tigeot 277926deccbSFrançois Tigeot if (list_empty(&sa_manager->flist[i])) { 278926deccbSFrançois Tigeot continue; 279926deccbSFrançois Tigeot } 280926deccbSFrançois Tigeot 281926deccbSFrançois Tigeot sa_bo = list_first_entry(&sa_manager->flist[i], 282926deccbSFrançois Tigeot struct radeon_sa_bo, flist); 283926deccbSFrançois Tigeot 284926deccbSFrançois Tigeot if (!radeon_fence_signaled(sa_bo->fence)) { 285926deccbSFrançois Tigeot fences[i] = sa_bo->fence; 286926deccbSFrançois Tigeot continue; 287926deccbSFrançois Tigeot } 288926deccbSFrançois Tigeot 289926deccbSFrançois Tigeot /* limit the number of tries each ring gets */ 290926deccbSFrançois Tigeot if (tries[i] > 2) { 291926deccbSFrançois Tigeot continue; 292926deccbSFrançois Tigeot } 293926deccbSFrançois Tigeot 294926deccbSFrançois Tigeot tmp = sa_bo->soffset; 295926deccbSFrançois Tigeot if (tmp < soffset) { 296926deccbSFrançois Tigeot /* wrap around, pretend it's after */ 297926deccbSFrançois Tigeot tmp += sa_manager->size; 298926deccbSFrançois Tigeot } 299926deccbSFrançois Tigeot tmp -= soffset; 300926deccbSFrançois Tigeot if (tmp < best) { 301926deccbSFrançois Tigeot /* this sa bo is the closest one */ 302926deccbSFrançois Tigeot best = tmp; 303926deccbSFrançois Tigeot best_bo = sa_bo; 304926deccbSFrançois Tigeot } 305926deccbSFrançois Tigeot } 306926deccbSFrançois Tigeot 307926deccbSFrançois Tigeot if (best_bo) { 308926deccbSFrançois Tigeot ++tries[best_bo->fence->ring]; 309926deccbSFrançois Tigeot sa_manager->hole = best_bo->olist.prev; 310926deccbSFrançois Tigeot 311926deccbSFrançois Tigeot /* we knew that this one is signaled, 312926deccbSFrançois Tigeot so it's save to remote it */ 313926deccbSFrançois Tigeot radeon_sa_bo_remove_locked(best_bo); 314926deccbSFrançois Tigeot return true; 315926deccbSFrançois Tigeot } 316926deccbSFrançois Tigeot return false; 317926deccbSFrançois Tigeot } 318926deccbSFrançois Tigeot 319926deccbSFrançois Tigeot int radeon_sa_bo_new(struct radeon_device *rdev, 320926deccbSFrançois Tigeot struct radeon_sa_manager *sa_manager, 321926deccbSFrançois Tigeot struct radeon_sa_bo **sa_bo, 322*c6f73aabSFrançois Tigeot unsigned size, unsigned align) 323926deccbSFrançois Tigeot { 324926deccbSFrançois Tigeot struct radeon_fence *fences[RADEON_NUM_RINGS]; 325926deccbSFrançois Tigeot unsigned tries[RADEON_NUM_RINGS]; 326926deccbSFrançois Tigeot int i, r; 327926deccbSFrançois Tigeot 32857e252bfSMichael Neumann BUG_ON(align > sa_manager->align); 32957e252bfSMichael Neumann BUG_ON(size > sa_manager->size); 330926deccbSFrançois Tigeot 3315a3b77d5SFrançois Tigeot *sa_bo = kmalloc(sizeof(struct radeon_sa_bo), M_DRM, 332f6201ebfSMatthew Dillon M_WAITOK | M_ZERO); 333926deccbSFrançois Tigeot if ((*sa_bo) == NULL) { 334926deccbSFrançois Tigeot return -ENOMEM; 335926deccbSFrançois Tigeot } 336926deccbSFrançois Tigeot (*sa_bo)->manager = sa_manager; 337926deccbSFrançois Tigeot (*sa_bo)->fence = NULL; 338926deccbSFrançois Tigeot INIT_LIST_HEAD(&(*sa_bo)->olist); 339926deccbSFrançois Tigeot INIT_LIST_HEAD(&(*sa_bo)->flist); 340926deccbSFrançois Tigeot 341926deccbSFrançois Tigeot lockmgr(&sa_manager->wq_lock, LK_EXCLUSIVE); 342926deccbSFrançois Tigeot do { 343926deccbSFrançois Tigeot for (i = 0; i < RADEON_NUM_RINGS; ++i) { 344926deccbSFrançois Tigeot fences[i] = NULL; 345926deccbSFrançois Tigeot tries[i] = 0; 346926deccbSFrançois Tigeot } 347926deccbSFrançois Tigeot 348926deccbSFrançois Tigeot do { 349926deccbSFrançois Tigeot radeon_sa_bo_try_free(sa_manager); 350926deccbSFrançois Tigeot 351926deccbSFrançois Tigeot if (radeon_sa_bo_try_alloc(sa_manager, *sa_bo, 352926deccbSFrançois Tigeot size, align)) { 353926deccbSFrançois Tigeot lockmgr(&sa_manager->wq_lock, LK_RELEASE); 354926deccbSFrançois Tigeot return 0; 355926deccbSFrançois Tigeot } 356926deccbSFrançois Tigeot 357926deccbSFrançois Tigeot /* see if we can skip over some allocations */ 358926deccbSFrançois Tigeot } while (radeon_sa_bo_next_hole(sa_manager, fences, tries)); 359926deccbSFrançois Tigeot 3601a05908eSMatthew Dillon lockmgr(&sa_manager->wq_lock, LK_RELEASE); 361926deccbSFrançois Tigeot r = radeon_fence_wait_any(rdev, fences, false); 362926deccbSFrançois Tigeot lockmgr(&sa_manager->wq_lock, LK_EXCLUSIVE); 363926deccbSFrançois Tigeot /* if we have nothing to wait for block */ 364*c6f73aabSFrançois Tigeot if (r == -ENOENT) { 365926deccbSFrançois Tigeot while (!radeon_sa_event(sa_manager, size, align)) { 366926deccbSFrançois Tigeot r = -cv_wait_sig(&sa_manager->wq, 367926deccbSFrançois Tigeot &sa_manager->wq_lock); 368926deccbSFrançois Tigeot if (r != 0) 369926deccbSFrançois Tigeot break; 370926deccbSFrançois Tigeot } 371926deccbSFrançois Tigeot } 372926deccbSFrançois Tigeot 373926deccbSFrançois Tigeot } while (!r); 374926deccbSFrançois Tigeot 375926deccbSFrançois Tigeot lockmgr(&sa_manager->wq_lock, LK_RELEASE); 376c4ef309bSzrj kfree(*sa_bo); 377926deccbSFrançois Tigeot *sa_bo = NULL; 378926deccbSFrançois Tigeot return r; 379926deccbSFrançois Tigeot } 380926deccbSFrançois Tigeot 381926deccbSFrançois Tigeot void radeon_sa_bo_free(struct radeon_device *rdev, struct radeon_sa_bo **sa_bo, 382926deccbSFrançois Tigeot struct radeon_fence *fence) 383926deccbSFrançois Tigeot { 384926deccbSFrançois Tigeot struct radeon_sa_manager *sa_manager; 385926deccbSFrançois Tigeot 386926deccbSFrançois Tigeot if (sa_bo == NULL || *sa_bo == NULL) { 387926deccbSFrançois Tigeot return; 388926deccbSFrançois Tigeot } 389926deccbSFrançois Tigeot 390926deccbSFrançois Tigeot sa_manager = (*sa_bo)->manager; 391926deccbSFrançois Tigeot lockmgr(&sa_manager->wq_lock, LK_EXCLUSIVE); 392926deccbSFrançois Tigeot if (fence && !radeon_fence_signaled(fence)) { 393926deccbSFrançois Tigeot (*sa_bo)->fence = radeon_fence_ref(fence); 394926deccbSFrançois Tigeot list_add_tail(&(*sa_bo)->flist, 395926deccbSFrançois Tigeot &sa_manager->flist[fence->ring]); 396926deccbSFrançois Tigeot } else { 397926deccbSFrançois Tigeot radeon_sa_bo_remove_locked(*sa_bo); 398926deccbSFrançois Tigeot } 399926deccbSFrançois Tigeot cv_broadcast(&sa_manager->wq); 400926deccbSFrançois Tigeot lockmgr(&sa_manager->wq_lock, LK_RELEASE); 401926deccbSFrançois Tigeot *sa_bo = NULL; 402926deccbSFrançois Tigeot } 403926deccbSFrançois Tigeot 404926deccbSFrançois Tigeot #if defined(CONFIG_DEBUG_FS) 405926deccbSFrançois Tigeot void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager, 406926deccbSFrançois Tigeot struct seq_file *m) 407926deccbSFrançois Tigeot { 408926deccbSFrançois Tigeot struct radeon_sa_bo *i; 409926deccbSFrançois Tigeot 410926deccbSFrançois Tigeot spin_lock(&sa_manager->wq.lock); 411926deccbSFrançois Tigeot list_for_each_entry(i, &sa_manager->olist, olist) { 412*c6f73aabSFrançois Tigeot uint64_t soffset = i->soffset + sa_manager->gpu_addr; 413*c6f73aabSFrançois Tigeot uint64_t eoffset = i->eoffset + sa_manager->gpu_addr; 414926deccbSFrançois Tigeot if (&i->olist == sa_manager->hole) { 415926deccbSFrançois Tigeot seq_printf(m, ">"); 416926deccbSFrançois Tigeot } else { 417926deccbSFrançois Tigeot seq_printf(m, " "); 418926deccbSFrançois Tigeot } 419*c6f73aabSFrançois Tigeot seq_printf(m, "[0x%010llx 0x%010llx] size %8lld", 420*c6f73aabSFrançois Tigeot soffset, eoffset, eoffset - soffset); 421926deccbSFrançois Tigeot if (i->fence) { 422926deccbSFrançois Tigeot seq_printf(m, " protected by 0x%016llx on ring %d", 423926deccbSFrançois Tigeot i->fence->seq, i->fence->ring); 424926deccbSFrançois Tigeot } 425926deccbSFrançois Tigeot seq_printf(m, "\n"); 426926deccbSFrançois Tigeot } 427926deccbSFrançois Tigeot spin_unlock(&sa_manager->wq.lock); 428926deccbSFrançois Tigeot } 429926deccbSFrançois Tigeot #endif 430