From: Christian König Date: Thu, 30 Mar 2017 12:03:59 +0000 (+0200) Subject: drm/amdgpu: use a 64bit interval tree for VM management v2 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a9f87f6452543505108d7d9b36d948534ea28b0b;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu: use a 64bit interval tree for VM management v2 This only makes a difference for 32-bit systems. The idea is to have a fixed virtual address space size with 4-level page tables and to minimize differences between 32 and 64-bit systems. v2: Update commit message. Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 262056778f52..5c6bcacd11af 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -32,7 +32,7 @@ #include #include #include -#include +#include #include #include @@ -379,7 +379,10 @@ struct amdgpu_bo_list_entry { struct amdgpu_bo_va_mapping { struct list_head list; - struct interval_tree_node it; + struct rb_node rb; + uint64_t start; + uint64_t last; + uint64_t __subtree_last; uint64_t offset; uint64_t flags; }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 97f661372a1c..9c7f7ed07ea0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -949,7 +949,7 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, } if ((chunk_ib->va_start + chunk_ib->ib_bytes) > - (m->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) { + (m->last + 1) * AMDGPU_GPU_PAGE_SIZE) { DRM_ERROR("IB va_start+ib_bytes is invalid\n"); return -EINVAL; } @@ -960,7 +960,7 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, return r; } - offset = ((uint64_t)m->it.start) * AMDGPU_GPU_PAGE_SIZE; + offset = m->start * AMDGPU_GPU_PAGE_SIZE; kptr += chunk_ib->va_start - offset; r = amdgpu_ib_get(adev, vm, chunk_ib->ib_bytes, ib); @@ -1388,8 +1388,8 @@ amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, continue; list_for_each_entry(mapping, &lobj->bo_va->valids, list) { - if (mapping->it.start > addr || - addr > mapping->it.last) + if (mapping->start > addr || + addr > mapping->last) continue; *bo = lobj->bo_va->bo; @@ -1397,8 +1397,8 @@ amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, } list_for_each_entry(mapping, &lobj->bo_va->invalids, list) { - if (mapping->it.start > addr || - addr > mapping->it.last) + if (mapping->start > addr || + addr > mapping->last) continue; *bo = lobj->bo_va->bo; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c index 7ea3cacf9f9f..38f739fb727b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h index a87de18160a8..ee9d0f346d75 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h @@ -226,8 +226,8 @@ TRACE_EVENT(amdgpu_vm_bo_map, TP_fast_assign( __entry->bo = bo_va ? bo_va->bo : NULL; - __entry->start = mapping->it.start; - __entry->last = mapping->it.last; + __entry->start = mapping->start; + __entry->last = mapping->last; __entry->offset = mapping->offset; __entry->flags = mapping->flags; ), @@ -250,8 +250,8 @@ TRACE_EVENT(amdgpu_vm_bo_unmap, TP_fast_assign( __entry->bo = bo_va->bo; - __entry->start = mapping->it.start; - __entry->last = mapping->it.last; + __entry->start = mapping->start; + __entry->last = mapping->last; __entry->offset = mapping->offset; __entry->flags = mapping->flags; ), @@ -270,8 +270,8 @@ DECLARE_EVENT_CLASS(amdgpu_vm_mapping, ), TP_fast_assign( - __entry->soffset = mapping->it.start; - __entry->eoffset = mapping->it.last + 1; + __entry->soffset = mapping->start; + __entry->eoffset = mapping->last + 1; __entry->flags = mapping->flags; ), TP_printk("soffs=%010llx, eoffs=%010llx, flags=%08x", diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 0b92dd0c1d70..2ca09f111f08 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -741,10 +741,10 @@ static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx) start = amdgpu_bo_gpu_offset(bo); - end = (mapping->it.last + 1 - mapping->it.start); + end = (mapping->last + 1 - mapping->start); end = end * AMDGPU_GPU_PAGE_SIZE + start; - addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE; + addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE; start += addr; amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 0184197eb000..c853400805d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -595,13 +595,13 @@ static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx, } if ((addr + (uint64_t)size) > - ((uint64_t)mapping->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) { + (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) { DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n", addr, lo, hi); return -EINVAL; } - addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE; + addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE; addr += amdgpu_bo_gpu_offset(bo); addr -= ((uint64_t)size) * ((uint64_t)index); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 0235d7933efd..5f3d932e77f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -26,6 +26,7 @@ * Jerome Glisse */ #include +#include #include #include #include "amdgpu.h" @@ -51,6 +52,15 @@ * SI supports 16. */ +#define START(node) ((node)->start) +#define LAST(node) ((node)->last) + +INTERVAL_TREE_DEFINE(struct amdgpu_bo_va_mapping, rb, uint64_t, __subtree_last, + START, LAST, static, amdgpu_vm_it) + +#undef START +#undef LAST + /* Local structure. Encapsulate some VM table update parameters to reduce * the number of function parameters */ @@ -1301,7 +1311,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev, struct drm_mm_node *nodes, struct dma_fence **fence) { - uint64_t pfn, src = 0, start = mapping->it.start; + uint64_t pfn, src = 0, start = mapping->start; int r; /* normally,bo_va->flags only contians READABLE and WIRTEABLE bit go here @@ -1353,7 +1363,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev, } addr += pfn << PAGE_SHIFT; - last = min((uint64_t)mapping->it.last, start + max_entries - 1); + last = min((uint64_t)mapping->last, start + max_entries - 1); r = amdgpu_vm_bo_update_mapping(adev, exclusive, src, pages_addr, vm, start, last, flags, addr, @@ -1368,7 +1378,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev, } start = last + 1; - } while (unlikely(start != mapping->it.last + 1)); + } while (unlikely(start != mapping->last + 1)); return 0; } @@ -1724,9 +1734,8 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, uint64_t saddr, uint64_t offset, uint64_t size, uint64_t flags) { - struct amdgpu_bo_va_mapping *mapping; + struct amdgpu_bo_va_mapping *mapping, *tmp; struct amdgpu_vm *vm = bo_va->vm; - struct interval_tree_node *it; uint64_t eaddr; /* validate the parameters */ @@ -1743,14 +1752,12 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, saddr /= AMDGPU_GPU_PAGE_SIZE; eaddr /= AMDGPU_GPU_PAGE_SIZE; - it = interval_tree_iter_first(&vm->va, saddr, eaddr); - if (it) { - struct amdgpu_bo_va_mapping *tmp; - tmp = container_of(it, struct amdgpu_bo_va_mapping, it); + tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr); + if (tmp) { /* bo and tmp overlap, invalid addr */ dev_err(adev->dev, "bo %p va 0x%010Lx-0x%010Lx conflict with " - "0x%010lx-0x%010lx\n", bo_va->bo, saddr, eaddr, - tmp->it.start, tmp->it.last + 1); + "0x%010Lx-0x%010Lx\n", bo_va->bo, saddr, eaddr, + tmp->start, tmp->last + 1); return -EINVAL; } @@ -1759,13 +1766,13 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, return -ENOMEM; INIT_LIST_HEAD(&mapping->list); - mapping->it.start = saddr; - mapping->it.last = eaddr; + mapping->start = saddr; + mapping->last = eaddr; mapping->offset = offset; mapping->flags = flags; list_add(&mapping->list, &bo_va->invalids); - interval_tree_insert(&mapping->it, &vm->va); + amdgpu_vm_it_insert(mapping, &vm->va); if (flags & AMDGPU_PTE_PRT) amdgpu_vm_prt_get(adev); @@ -1823,13 +1830,13 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev, saddr /= AMDGPU_GPU_PAGE_SIZE; eaddr /= AMDGPU_GPU_PAGE_SIZE; - mapping->it.start = saddr; - mapping->it.last = eaddr; + mapping->start = saddr; + mapping->last = eaddr; mapping->offset = offset; mapping->flags = flags; list_add(&mapping->list, &bo_va->invalids); - interval_tree_insert(&mapping->it, &vm->va); + amdgpu_vm_it_insert(mapping, &vm->va); if (flags & AMDGPU_PTE_PRT) amdgpu_vm_prt_get(adev); @@ -1860,7 +1867,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, saddr /= AMDGPU_GPU_PAGE_SIZE; list_for_each_entry(mapping, &bo_va->valids, list) { - if (mapping->it.start == saddr) + if (mapping->start == saddr) break; } @@ -1868,7 +1875,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, valid = false; list_for_each_entry(mapping, &bo_va->invalids, list) { - if (mapping->it.start == saddr) + if (mapping->start == saddr) break; } @@ -1877,7 +1884,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, } list_del(&mapping->list); - interval_tree_remove(&mapping->it, &vm->va); + amdgpu_vm_it_remove(mapping, &vm->va); trace_amdgpu_vm_bo_unmap(bo_va, mapping); if (valid) @@ -1905,7 +1912,6 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, uint64_t saddr, uint64_t size) { struct amdgpu_bo_va_mapping *before, *after, *tmp, *next; - struct interval_tree_node *it; LIST_HEAD(removed); uint64_t eaddr; @@ -1927,43 +1933,42 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, INIT_LIST_HEAD(&after->list); /* Now gather all removed mappings */ - it = interval_tree_iter_first(&vm->va, saddr, eaddr); - while (it) { - tmp = container_of(it, struct amdgpu_bo_va_mapping, it); - it = interval_tree_iter_next(it, saddr, eaddr); - + tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr); + while (tmp) { /* Remember mapping split at the start */ - if (tmp->it.start < saddr) { - before->it.start = tmp->it.start; - before->it.last = saddr - 1; + if (tmp->start < saddr) { + before->start = tmp->start; + before->last = saddr - 1; before->offset = tmp->offset; before->flags = tmp->flags; list_add(&before->list, &tmp->list); } /* Remember mapping split at the end */ - if (tmp->it.last > eaddr) { - after->it.start = eaddr + 1; - after->it.last = tmp->it.last; + if (tmp->last > eaddr) { + after->start = eaddr + 1; + after->last = tmp->last; after->offset = tmp->offset; - after->offset += after->it.start - tmp->it.start; + after->offset += after->start - tmp->start; after->flags = tmp->flags; list_add(&after->list, &tmp->list); } list_del(&tmp->list); list_add(&tmp->list, &removed); + + tmp = amdgpu_vm_it_iter_next(tmp, saddr, eaddr); } /* And free them up */ list_for_each_entry_safe(tmp, next, &removed, list) { - interval_tree_remove(&tmp->it, &vm->va); + amdgpu_vm_it_remove(tmp, &vm->va); list_del(&tmp->list); - if (tmp->it.start < saddr) - tmp->it.start = saddr; - if (tmp->it.last > eaddr) - tmp->it.last = eaddr; + if (tmp->start < saddr) + tmp->start = saddr; + if (tmp->last > eaddr) + tmp->last = eaddr; list_add(&tmp->list, &vm->freed); trace_amdgpu_vm_bo_unmap(NULL, tmp); @@ -1971,7 +1976,7 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, /* Insert partial mapping before the range */ if (!list_empty(&before->list)) { - interval_tree_insert(&before->it, &vm->va); + amdgpu_vm_it_insert(before, &vm->va); if (before->flags & AMDGPU_PTE_PRT) amdgpu_vm_prt_get(adev); } else { @@ -1980,7 +1985,7 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, /* Insert partial mapping after the range */ if (!list_empty(&after->list)) { - interval_tree_insert(&after->it, &vm->va); + amdgpu_vm_it_insert(after, &vm->va); if (after->flags & AMDGPU_PTE_PRT) amdgpu_vm_prt_get(adev); } else { @@ -2014,13 +2019,13 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, list_for_each_entry_safe(mapping, next, &bo_va->valids, list) { list_del(&mapping->list); - interval_tree_remove(&mapping->it, &vm->va); + amdgpu_vm_it_remove(mapping, &vm->va); trace_amdgpu_vm_bo_unmap(bo_va, mapping); list_add(&mapping->list, &vm->freed); } list_for_each_entry_safe(mapping, next, &bo_va->invalids, list) { list_del(&mapping->list); - interval_tree_remove(&mapping->it, &vm->va); + amdgpu_vm_it_remove(mapping, &vm->va); amdgpu_vm_free_mapping(adev, vm, mapping, bo_va->last_pt_update); } @@ -2162,9 +2167,9 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) if (!RB_EMPTY_ROOT(&vm->va)) { dev_err(adev->dev, "still active bo inside vm\n"); } - rbtree_postorder_for_each_entry_safe(mapping, tmp, &vm->va, it.rb) { + rbtree_postorder_for_each_entry_safe(mapping, tmp, &vm->va, rb) { list_del(&mapping->list); - interval_tree_remove(&mapping->it, &vm->va); + amdgpu_vm_it_remove(mapping, &vm->va); kfree(mapping); } list_for_each_entry_safe(mapping, tmp, &vm->freed, list) {