diff options
author | Dave Airlie <airlied@redhat.com> | 2020-11-10 10:48:47 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2020-11-10 10:48:47 +0300 |
commit | 5b8c596976d4338942dd889b66cd06dc766424e1 (patch) | |
tree | 0fdcc1cc3c51daaf39400f72caf4f10d99d43541 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
parent | c0f98d2f8b076bf3e3183aa547395f919c943a14 (diff) | |
parent | 514ad1b6bb6e2fa205b5511bd3d50e33457f6180 (diff) | |
download | linux-5b8c596976d4338942dd889b66cd06dc766424e1.tar.xz |
Merge tag 'amd-drm-next-5.11-2020-11-05' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.11-2020-11-05:
amdgpu:
- Add initial support for Vangogh
- Add support for Green Sardine
- Add initial support for Dimgrey Cavefish
- Scatter/Gather display support for Renoir
- Updates for Sienna Cichlid
- Updates for Navy Flounder
- SMU7 power improvements
- Modifier support for gfx9+
- CI BACO fixes
- Arcturus SMU fixes
- Lots of code cleanups
- DC fixes
- Kernel doc fixes
- Add more GPU HW client information to page fault error logging
- MPO clock tuning for RV
- FP fixes for DCN3 on ARM and PPC
radeon:
- Expose voltage via hwmon on Sumo APUs
amdkfd:
- Fix unique id handling
- Misc fixes
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105222749.201798-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 284 |
1 files changed, 178 insertions, 106 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 38b59a4fc04c..0768c8686983 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -300,7 +300,7 @@ static void amdgpu_vm_bo_relocated(struct amdgpu_vm_bo_base *vm_bo) static void amdgpu_vm_bo_done(struct amdgpu_vm_bo_base *vm_bo) { spin_lock(&vm_bo->vm->invalidated_lock); - list_del_init(&vm_bo->vm_status); + list_move(&vm_bo->vm_status, &vm_bo->vm->done); spin_unlock(&vm_bo->vm->invalidated_lock); } @@ -1570,7 +1570,8 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params, /** * amdgpu_vm_bo_update_mapping - update a mapping in the vm page table * - * @adev: amdgpu_device pointer + * @adev: amdgpu_device pointer of the VM + * @bo_adev: amdgpu_device pointer of the mapped BO * @vm: requested vm * @immediate: immediate submission in a page fault * @unlocked: unlocked invalidation during MM callback @@ -1578,7 +1579,8 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params, * @start: start of mapped range * @last: last mapped entry * @flags: flags for the entries - * @addr: addr to set the area to + * @offset: offset into nodes and pages_addr + * @nodes: array of drm_mm_nodes with the MC addresses * @pages_addr: DMA addresses to use for mapping * @fence: optional resulting fence * @@ -1588,15 +1590,18 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params, * 0 for success, -EINVAL for failure. */ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, + struct amdgpu_device *bo_adev, struct amdgpu_vm *vm, bool immediate, bool unlocked, struct dma_resv *resv, uint64_t start, uint64_t last, - uint64_t flags, uint64_t addr, + uint64_t flags, uint64_t offset, + struct drm_mm_node *nodes, dma_addr_t *pages_addr, struct dma_fence **fence) { struct amdgpu_vm_update_params params; enum amdgpu_sync_mode sync_mode; + uint64_t pfn; int r; memset(¶ms, 0, sizeof(params)); @@ -1614,6 +1619,14 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, else sync_mode = AMDGPU_SYNC_EXPLICIT; + pfn = offset >> PAGE_SHIFT; + if (nodes) { + while (pfn >= nodes->size) { + pfn -= nodes->size; + ++nodes; + } + } + amdgpu_vm_eviction_lock(vm); if (vm->evicting) { r = -EBUSY; @@ -1632,105 +1645,47 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, if (r) goto error_unlock; - r = amdgpu_vm_update_ptes(¶ms, start, last + 1, addr, flags); - if (r) - goto error_unlock; - - r = vm->update_funcs->commit(¶ms, fence); - -error_unlock: - amdgpu_vm_eviction_unlock(vm); - return r; -} - -/** - * amdgpu_vm_bo_split_mapping - split a mapping into smaller chunks - * - * @adev: amdgpu_device pointer - * @resv: fences we need to sync to - * @pages_addr: DMA addresses to use for mapping - * @vm: requested vm - * @mapping: mapped range and flags to use for the update - * @flags: HW flags for the mapping - * @bo_adev: amdgpu_device pointer that bo actually been allocated - * @nodes: array of drm_mm_nodes with the MC addresses - * @fence: optional resulting fence - * - * Split the mapping into smaller chunks so that each update fits - * into a SDMA IB. - * - * Returns: - * 0 for success, -EINVAL for failure. - */ -static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev, - struct dma_resv *resv, - dma_addr_t *pages_addr, - struct amdgpu_vm *vm, - struct amdgpu_bo_va_mapping *mapping, - uint64_t flags, - struct amdgpu_device *bo_adev, - struct drm_mm_node *nodes, - struct dma_fence **fence) -{ - unsigned min_linear_pages = 1 << adev->vm_manager.fragment_size; - uint64_t pfn, start = mapping->start; - int r; - - /* normally,bo_va->flags only contians READABLE and WIRTEABLE bit go here - * but in case of something, we filter the flags in first place - */ - if (!(mapping->flags & AMDGPU_PTE_READABLE)) - flags &= ~AMDGPU_PTE_READABLE; - if (!(mapping->flags & AMDGPU_PTE_WRITEABLE)) - flags &= ~AMDGPU_PTE_WRITEABLE; - - /* Apply ASIC specific mapping flags */ - amdgpu_gmc_get_vm_pte(adev, mapping, &flags); - - trace_amdgpu_vm_bo_update(mapping); - - pfn = mapping->offset >> PAGE_SHIFT; - if (nodes) { - while (pfn >= nodes->size) { - pfn -= nodes->size; - ++nodes; - } - } - do { - dma_addr_t *dma_addr = NULL; - uint64_t max_entries; - uint64_t addr, last; + uint64_t tmp, num_entries, addr; + - max_entries = mapping->last - start + 1; + num_entries = last - start + 1; if (nodes) { addr = nodes->start << PAGE_SHIFT; - max_entries = min((nodes->size - pfn) * - AMDGPU_GPU_PAGES_IN_CPU_PAGE, max_entries); + num_entries = min((nodes->size - pfn) * + AMDGPU_GPU_PAGES_IN_CPU_PAGE, num_entries); } else { addr = 0; } if (pages_addr) { - uint64_t count; + bool contiguous = true; - for (count = 1; - count < max_entries / AMDGPU_GPU_PAGES_IN_CPU_PAGE; - ++count) { - uint64_t idx = pfn + count; + if (num_entries > AMDGPU_GPU_PAGES_IN_CPU_PAGE) { + uint64_t count; - if (pages_addr[idx] != - (pages_addr[idx - 1] + PAGE_SIZE)) - break; + contiguous = pages_addr[pfn + 1] == + pages_addr[pfn] + PAGE_SIZE; + + tmp = num_entries / + AMDGPU_GPU_PAGES_IN_CPU_PAGE; + for (count = 2; count < tmp; ++count) { + uint64_t idx = pfn + count; + + if (contiguous != (pages_addr[idx] == + pages_addr[idx - 1] + PAGE_SIZE)) + break; + } + num_entries = count * + AMDGPU_GPU_PAGES_IN_CPU_PAGE; } - if (count < min_linear_pages) { + if (!contiguous) { addr = pfn << PAGE_SHIFT; - dma_addr = pages_addr; + params.pages_addr = pages_addr; } else { addr = pages_addr[pfn]; - max_entries = count * - AMDGPU_GPU_PAGES_IN_CPU_PAGE; + params.pages_addr = NULL; } } else if (flags & (AMDGPU_PTE_VALID | AMDGPU_PTE_PRT)) { @@ -1738,23 +1693,25 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev, addr += pfn << PAGE_SHIFT; } - last = start + max_entries - 1; - r = amdgpu_vm_bo_update_mapping(adev, vm, false, false, resv, - start, last, flags, addr, - dma_addr, fence); + tmp = start + num_entries; + r = amdgpu_vm_update_ptes(¶ms, start, tmp, addr, flags); if (r) - return r; + goto error_unlock; - pfn += (last - start + 1) / AMDGPU_GPU_PAGES_IN_CPU_PAGE; + pfn += num_entries / AMDGPU_GPU_PAGES_IN_CPU_PAGE; if (nodes && nodes->size == pfn) { pfn = 0; ++nodes; } - start = last + 1; + start = tmp; - } while (unlikely(start != mapping->last + 1)); + } while (unlikely(start != last + 1)); - return 0; + r = vm->update_funcs->commit(¶ms, fence); + +error_unlock: + amdgpu_vm_eviction_unlock(vm); + return r; } /** @@ -1832,9 +1789,26 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, } list_for_each_entry(mapping, &bo_va->invalids, list) { - r = amdgpu_vm_bo_split_mapping(adev, resv, pages_addr, vm, - mapping, flags, bo_adev, nodes, - last_update); + uint64_t update_flags = flags; + + /* normally,bo_va->flags only contians READABLE and WIRTEABLE bit go here + * but in case of something, we filter the flags in first place + */ + if (!(mapping->flags & AMDGPU_PTE_READABLE)) + update_flags &= ~AMDGPU_PTE_READABLE; + if (!(mapping->flags & AMDGPU_PTE_WRITEABLE)) + update_flags &= ~AMDGPU_PTE_WRITEABLE; + + /* Apply ASIC specific mapping flags */ + amdgpu_gmc_get_vm_pte(adev, mapping, &update_flags); + + trace_amdgpu_vm_bo_update(mapping); + + r = amdgpu_vm_bo_update_mapping(adev, bo_adev, vm, false, false, + resv, mapping->start, + mapping->last, update_flags, + mapping->offset, nodes, + pages_addr, last_update); if (r) return r; } @@ -2042,9 +2016,10 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev, mapping->start < AMDGPU_GMC_HOLE_START) init_pte_value = AMDGPU_PTE_DEFAULT_ATC; - r = amdgpu_vm_bo_update_mapping(adev, vm, false, false, resv, - mapping->start, mapping->last, - init_pte_value, 0, NULL, &f); + r = amdgpu_vm_bo_update_mapping(adev, adev, vm, false, false, + resv, mapping->start, + mapping->last, init_pte_value, + 0, NULL, NULL, &f); amdgpu_vm_free_mapping(adev, vm, mapping, f); if (r) { dma_fence_put(f); @@ -2163,7 +2138,7 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, /** - * amdgpu_vm_bo_insert_mapping - insert a new mapping + * amdgpu_vm_bo_insert_map - insert a new mapping * * @adev: amdgpu_device pointer * @bo_va: bo_va to store the address @@ -2820,7 +2795,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, INIT_LIST_HEAD(&vm->invalidated); spin_lock_init(&vm->invalidated_lock); INIT_LIST_HEAD(&vm->freed); - + INIT_LIST_HEAD(&vm->done); /* create scheduler entities for page table updates */ r = drm_sched_entity_init(&vm->immediate, DRM_SCHED_PRIORITY_NORMAL, @@ -3372,8 +3347,9 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, u32 pasid, value = 0; } - r = amdgpu_vm_bo_update_mapping(adev, vm, true, false, NULL, addr, - addr + 1, flags, value, NULL, NULL); + r = amdgpu_vm_bo_update_mapping(adev, adev, vm, true, false, NULL, addr, + addr, flags, value, NULL, NULL, + NULL); if (r) goto error_unlock; @@ -3389,3 +3365,99 @@ error_unref: return false; } + +#if defined(CONFIG_DEBUG_FS) +/** + * amdgpu_debugfs_vm_bo_info - print BO info for the VM + * + * @vm: Requested VM for printing BO info + * @m: debugfs file + * + * Print BO information in debugfs file for the VM + */ +void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, struct seq_file *m) +{ + struct amdgpu_bo_va *bo_va, *tmp; + u64 total_idle = 0; + u64 total_evicted = 0; + u64 total_relocated = 0; + u64 total_moved = 0; + u64 total_invalidated = 0; + u64 total_done = 0; + unsigned int total_idle_objs = 0; + unsigned int total_evicted_objs = 0; + unsigned int total_relocated_objs = 0; + unsigned int total_moved_objs = 0; + unsigned int total_invalidated_objs = 0; + unsigned int total_done_objs = 0; + unsigned int id = 0; + + seq_puts(m, "\tIdle BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->idle, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_idle += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_idle_objs = id; + id = 0; + + seq_puts(m, "\tEvicted BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->evicted, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_evicted += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_evicted_objs = id; + id = 0; + + seq_puts(m, "\tRelocated BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->relocated, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_relocated += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_relocated_objs = id; + id = 0; + + seq_puts(m, "\tMoved BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->moved, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_moved += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_moved_objs = id; + id = 0; + + seq_puts(m, "\tInvalidated BOs:\n"); + spin_lock(&vm->invalidated_lock); + list_for_each_entry_safe(bo_va, tmp, &vm->invalidated, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_invalidated += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_invalidated_objs = id; + id = 0; + + seq_puts(m, "\tDone BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->done, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_done += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + spin_unlock(&vm->invalidated_lock); + total_done_objs = id; + + seq_printf(m, "\tTotal idle size: %12lld\tobjs:\t%d\n", total_idle, + total_idle_objs); + seq_printf(m, "\tTotal evicted size: %12lld\tobjs:\t%d\n", total_evicted, + total_evicted_objs); + seq_printf(m, "\tTotal relocated size: %12lld\tobjs:\t%d\n", total_relocated, + total_relocated_objs); + seq_printf(m, "\tTotal moved size: %12lld\tobjs:\t%d\n", total_moved, + total_moved_objs); + seq_printf(m, "\tTotal invalidated size: %12lld\tobjs:\t%d\n", total_invalidated, + total_invalidated_objs); + seq_printf(m, "\tTotal done size: %12lld\tobjs:\t%d\n", total_done, + total_done_objs); +} +#endif |