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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c504
1 files changed, 294 insertions, 210 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 5795f81369f0..6b1343e5541d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -77,8 +77,6 @@ struct amdgpu_pte_update_params {
void (*func)(struct amdgpu_pte_update_params *params, uint64_t pe,
uint64_t addr, unsigned count, uint32_t incr,
uint64_t flags);
- /* indicate update pt or its shadow */
- bool shadow;
/* The next two are used during VM update by CPU
* DMA addresses to use for mapping
* Kernel pointer of PD/PT BO that needs to be updated
@@ -161,11 +159,26 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
*/
static int amdgpu_vm_validate_level(struct amdgpu_vm_pt *parent,
int (*validate)(void *, struct amdgpu_bo *),
- void *param)
+ void *param, bool use_cpu_for_update,
+ struct ttm_bo_global *glob)
{
unsigned i;
int r;
+ if (parent->bo->shadow) {
+ struct amdgpu_bo *shadow = parent->bo->shadow;
+
+ r = amdgpu_ttm_bind(&shadow->tbo, &shadow->tbo.mem);
+ if (r)
+ return r;
+ }
+
+ if (use_cpu_for_update) {
+ r = amdgpu_bo_kmap(parent->bo, NULL);
+ if (r)
+ return r;
+ }
+
if (!parent->entries)
return 0;
@@ -179,11 +192,18 @@ static int amdgpu_vm_validate_level(struct amdgpu_vm_pt *parent,
if (r)
return r;
+ spin_lock(&glob->lru_lock);
+ ttm_bo_move_to_lru_tail(&entry->bo->tbo);
+ if (entry->bo->shadow)
+ ttm_bo_move_to_lru_tail(&entry->bo->shadow->tbo);
+ spin_unlock(&glob->lru_lock);
+
/*
* Recurse into the sub directory. This is harmless because we
* have only a maximum of 5 layers.
*/
- r = amdgpu_vm_validate_level(entry, validate, param);
+ r = amdgpu_vm_validate_level(entry, validate, param,
+ use_cpu_for_update, glob);
if (r)
return r;
}
@@ -214,54 +234,12 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (num_evictions == vm->last_eviction_counter)
return 0;
- return amdgpu_vm_validate_level(&vm->root, validate, param);
-}
-
-/**
- * amdgpu_vm_move_level_in_lru - move one level of PT BOs to the LRU tail
- *
- * @adev: amdgpu device instance
- * @vm: vm providing the BOs
- *
- * Move the PT BOs to the tail of the LRU.
- */
-static void amdgpu_vm_move_level_in_lru(struct amdgpu_vm_pt *parent)
-{
- unsigned i;
-
- if (!parent->entries)
- return;
-
- for (i = 0; i <= parent->last_entry_used; ++i) {
- struct amdgpu_vm_pt *entry = &parent->entries[i];
-
- if (!entry->bo)
- continue;
-
- ttm_bo_move_to_lru_tail(&entry->bo->tbo);
- amdgpu_vm_move_level_in_lru(entry);
- }
+ return amdgpu_vm_validate_level(&vm->root, validate, param,
+ vm->use_cpu_for_update,
+ adev->mman.bdev.glob);
}
/**
- * amdgpu_vm_move_pt_bos_in_lru - move the PT BOs to the LRU tail
- *
- * @adev: amdgpu device instance
- * @vm: vm providing the BOs
- *
- * Move the PT BOs to the tail of the LRU.
- */
-void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device *adev,
- struct amdgpu_vm *vm)
-{
- struct ttm_bo_global *glob = adev->mman.bdev.glob;
-
- spin_lock(&glob->lru_lock);
- amdgpu_vm_move_level_in_lru(&vm->root);
- spin_unlock(&glob->lru_lock);
-}
-
- /**
* amdgpu_vm_alloc_levels - allocate the PD/PT levels
*
* @adev: amdgpu_device pointer
@@ -282,6 +260,7 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
unsigned pt_idx, from, to;
int r;
u64 flags;
+ uint64_t init_value = 0;
if (!parent->entries) {
unsigned num_entries = amdgpu_vm_num_entries(adev, level);
@@ -315,6 +294,12 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
flags |= (AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
AMDGPU_GEM_CREATE_SHADOW);
+ if (vm->pte_support_ats) {
+ init_value = AMDGPU_PTE_SYSTEM;
+ if (level != adev->vm_manager.num_level - 1)
+ init_value |= AMDGPU_PDE_PTE;
+ }
+
/* walk over the address space and allocate the page tables */
for (pt_idx = from; pt_idx <= to; ++pt_idx) {
struct reservation_object *resv = vm->root.bo->tbo.resv;
@@ -327,10 +312,18 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
AMDGPU_GPU_PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
flags,
- NULL, resv, &pt);
+ NULL, resv, init_value, &pt);
if (r)
return r;
+ if (vm->use_cpu_for_update) {
+ r = amdgpu_bo_kmap(pt, NULL);
+ if (r) {
+ amdgpu_bo_unref(&pt);
+ return r;
+ }
+ }
+
/* Keep a reference to the root directory to avoid
* freeing them up in the wrong order.
*/
@@ -424,7 +417,7 @@ static int amdgpu_vm_grab_reserved_vmid_locked(struct amdgpu_vm *vm,
struct dma_fence *updates = sync->last_vm_update;
int r = 0;
struct dma_fence *flushed, *tmp;
- bool needs_flush = false;
+ bool needs_flush = vm->use_cpu_for_update;
flushed = id->flushed_updates;
if ((amdgpu_vm_had_gpu_reset(adev, id)) ||
@@ -545,11 +538,11 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
}
kfree(fences);
- job->vm_needs_flush = false;
+ job->vm_needs_flush = vm->use_cpu_for_update;
/* Check if we can use a VMID already assigned to this VM */
list_for_each_entry_reverse(id, &id_mgr->ids_lru, list) {
struct dma_fence *flushed;
- bool needs_flush = false;
+ bool needs_flush = vm->use_cpu_for_update;
/* Check all the prerequisites to using this VMID */
if (amdgpu_vm_had_gpu_reset(adev, id))
@@ -745,7 +738,7 @@ static bool amdgpu_vm_is_large_bar(struct amdgpu_device *adev)
*
* Emit a VM flush when it is necessary.
*/
-int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job)
+int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_pipe_sync)
{
struct amdgpu_device *adev = ring->adev;
unsigned vmhub = ring->funcs->vmhub;
@@ -767,12 +760,15 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job)
vm_flush_needed = true;
}
- if (!vm_flush_needed && !gds_switch_needed)
+ if (!vm_flush_needed && !gds_switch_needed && !need_pipe_sync)
return 0;
if (ring->funcs->init_cond_exec)
patch_offset = amdgpu_ring_init_cond_exec(ring);
+ if (need_pipe_sync)
+ amdgpu_ring_emit_pipeline_sync(ring);
+
if (ring->funcs->emit_vm_flush && vm_flush_needed) {
struct dma_fence *fence;
@@ -874,8 +870,8 @@ struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
{
struct amdgpu_bo_va *bo_va;
- list_for_each_entry(bo_va, &bo->va, bo_list) {
- if (bo_va->vm == vm) {
+ list_for_each_entry(bo_va, &bo->va, base.bo_list) {
+ if (bo_va->base.vm == vm) {
return bo_va;
}
}
@@ -981,6 +977,8 @@ static void amdgpu_vm_cpu_set_ptes(struct amdgpu_pte_update_params *params,
unsigned int i;
uint64_t value;
+ trace_amdgpu_vm_set_ptes(pe, addr, count, incr, flags);
+
for (i = 0; i < count; i++) {
value = params->pages_addr ?
amdgpu_vm_map_gart(params->pages_addr, addr) :
@@ -989,19 +987,16 @@ static void amdgpu_vm_cpu_set_ptes(struct amdgpu_pte_update_params *params,
i, value, flags);
addr += incr;
}
-
- /* Flush HDP */
- mb();
- amdgpu_gart_flush_gpu_tlb(params->adev, 0);
}
-static int amdgpu_vm_bo_wait(struct amdgpu_device *adev, struct amdgpu_bo *bo)
+static int amdgpu_vm_wait_pd(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+ void *owner)
{
struct amdgpu_sync sync;
int r;
amdgpu_sync_create(&sync);
- amdgpu_sync_resv(adev, &sync, bo->tbo.resv, AMDGPU_FENCE_OWNER_VM);
+ amdgpu_sync_resv(adev, &sync, vm->root.bo->tbo.resv, owner);
r = amdgpu_sync_wait(&sync, true);
amdgpu_sync_free(&sync);
@@ -1042,23 +1037,14 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
params.adev = adev;
shadow = parent->bo->shadow;
- WARN_ON(vm->use_cpu_for_update && shadow);
- if (vm->use_cpu_for_update && !shadow) {
- r = amdgpu_bo_kmap(parent->bo, (void **)&pd_addr);
- if (r)
- return r;
- r = amdgpu_vm_bo_wait(adev, parent->bo);
- if (unlikely(r)) {
- amdgpu_bo_kunmap(parent->bo);
+ if (vm->use_cpu_for_update) {
+ pd_addr = (unsigned long)amdgpu_bo_kptr(parent->bo);
+ r = amdgpu_vm_wait_pd(adev, vm, AMDGPU_FENCE_OWNER_VM);
+ if (unlikely(r))
return r;
- }
+
params.func = amdgpu_vm_cpu_set_ptes;
} else {
- if (shadow) {
- r = amdgpu_ttm_bind(&shadow->tbo, &shadow->tbo.mem);
- if (r)
- return r;
- }
ring = container_of(vm->entity.sched, struct amdgpu_ring,
sched);
@@ -1094,21 +1080,14 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
if (bo == NULL)
continue;
- if (bo->shadow) {
- struct amdgpu_bo *pt_shadow = bo->shadow;
-
- r = amdgpu_ttm_bind(&pt_shadow->tbo,
- &pt_shadow->tbo.mem);
- if (r)
- return r;
- }
-
pt = amdgpu_bo_gpu_offset(bo);
pt = amdgpu_gart_get_vm_pde(adev, pt);
- if (parent->entries[pt_idx].addr == pt)
+ /* Don't update huge pages here */
+ if ((parent->entries[pt_idx].addr & AMDGPU_PDE_PTE) ||
+ parent->entries[pt_idx].addr == (pt | AMDGPU_PTE_VALID))
continue;
- parent->entries[pt_idx].addr = pt;
+ parent->entries[pt_idx].addr = pt | AMDGPU_PTE_VALID;
pde = pd_addr + pt_idx * 8;
if (((last_pde + 8 * count) != pde) ||
@@ -1146,28 +1125,29 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
count, incr, AMDGPU_PTE_VALID);
}
- if (params.func == amdgpu_vm_cpu_set_ptes)
- amdgpu_bo_kunmap(parent->bo);
- else if (params.ib->length_dw == 0) {
- amdgpu_job_free(job);
- } else {
- amdgpu_ring_pad_ib(ring, params.ib);
- amdgpu_sync_resv(adev, &job->sync, parent->bo->tbo.resv,
- AMDGPU_FENCE_OWNER_VM);
- if (shadow)
- amdgpu_sync_resv(adev, &job->sync, shadow->tbo.resv,
+ if (!vm->use_cpu_for_update) {
+ if (params.ib->length_dw == 0) {
+ amdgpu_job_free(job);
+ } else {
+ amdgpu_ring_pad_ib(ring, params.ib);
+ amdgpu_sync_resv(adev, &job->sync, parent->bo->tbo.resv,
AMDGPU_FENCE_OWNER_VM);
+ if (shadow)
+ amdgpu_sync_resv(adev, &job->sync,
+ shadow->tbo.resv,
+ AMDGPU_FENCE_OWNER_VM);
+
+ WARN_ON(params.ib->length_dw > ndw);
+ r = amdgpu_job_submit(job, ring, &vm->entity,
+ AMDGPU_FENCE_OWNER_VM, &fence);
+ if (r)
+ goto error_free;
- WARN_ON(params.ib->length_dw > ndw);
- r = amdgpu_job_submit(job, ring, &vm->entity,
- AMDGPU_FENCE_OWNER_VM, &fence);
- if (r)
- goto error_free;
-
- amdgpu_bo_fence(parent->bo, fence, true);
- dma_fence_put(vm->last_dir_update);
- vm->last_dir_update = dma_fence_get(fence);
- dma_fence_put(fence);
+ amdgpu_bo_fence(parent->bo, fence, true);
+ dma_fence_put(vm->last_dir_update);
+ vm->last_dir_update = dma_fence_get(fence);
+ dma_fence_put(fence);
+ }
}
/*
* Recurse into the subdirectories. This recursion is harmless because
@@ -1235,33 +1215,98 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev,
if (r)
amdgpu_vm_invalidate_level(&vm->root);
+ if (vm->use_cpu_for_update) {
+ /* Flush HDP */
+ mb();
+ amdgpu_gart_flush_gpu_tlb(adev, 0);
+ }
+
return r;
}
/**
- * amdgpu_vm_find_pt - find the page table for an address
+ * amdgpu_vm_find_entry - find the entry for an address
*
* @p: see amdgpu_pte_update_params definition
* @addr: virtual address in question
+ * @entry: resulting entry or NULL
+ * @parent: parent entry
*
- * Find the page table BO for a virtual address, return NULL when none found.
+ * Find the vm_pt entry and it's parent for the given address.
*/
-static struct amdgpu_bo *amdgpu_vm_get_pt(struct amdgpu_pte_update_params *p,
- uint64_t addr)
+void amdgpu_vm_get_entry(struct amdgpu_pte_update_params *p, uint64_t addr,
+ struct amdgpu_vm_pt **entry,
+ struct amdgpu_vm_pt **parent)
{
- struct amdgpu_vm_pt *entry = &p->vm->root;
unsigned idx, level = p->adev->vm_manager.num_level;
- while (entry->entries) {
+ *parent = NULL;
+ *entry = &p->vm->root;
+ while ((*entry)->entries) {
idx = addr >> (p->adev->vm_manager.block_size * level--);
- idx %= amdgpu_bo_size(entry->bo) / 8;
- entry = &entry->entries[idx];
+ idx %= amdgpu_bo_size((*entry)->bo) / 8;
+ *parent = *entry;
+ *entry = &(*entry)->entries[idx];
}
if (level)
- return NULL;
+ *entry = NULL;
+}
+
+/**
+ * amdgpu_vm_handle_huge_pages - handle updating the PD with huge pages
+ *
+ * @p: see amdgpu_pte_update_params definition
+ * @entry: vm_pt entry to check
+ * @parent: parent entry
+ * @nptes: number of PTEs updated with this operation
+ * @dst: destination address where the PTEs should point to
+ * @flags: access flags fro the PTEs
+ *
+ * Check if we can update the PD with a huge page.
+ */
+static void amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
+ struct amdgpu_vm_pt *entry,
+ struct amdgpu_vm_pt *parent,
+ unsigned nptes, uint64_t dst,
+ uint64_t flags)
+{
+ bool use_cpu_update = (p->func == amdgpu_vm_cpu_set_ptes);
+ uint64_t pd_addr, pde;
+
+ /* In the case of a mixed PT the PDE must point to it*/
+ if (p->adev->asic_type < CHIP_VEGA10 ||
+ nptes != AMDGPU_VM_PTE_COUNT(p->adev) ||
+ p->func == amdgpu_vm_do_copy_ptes ||
+ !(flags & AMDGPU_PTE_VALID)) {
+
+ dst = amdgpu_bo_gpu_offset(entry->bo);
+ dst = amdgpu_gart_get_vm_pde(p->adev, dst);
+ flags = AMDGPU_PTE_VALID;
+ } else {
+ /* Set the huge page flag to stop scanning at this PDE */
+ flags |= AMDGPU_PDE_PTE;
+ }
+
+ if (entry->addr == (dst | flags))
+ return;
+
+ entry->addr = (dst | flags);
- return entry->bo;
+ if (use_cpu_update) {
+ pd_addr = (unsigned long)amdgpu_bo_kptr(parent->bo);
+ pde = pd_addr + (entry - parent->entries) * 8;
+ amdgpu_vm_cpu_set_ptes(p, pde, dst, 1, 0, flags);
+ } else {
+ if (parent->bo->shadow) {
+ pd_addr = amdgpu_bo_gpu_offset(parent->bo->shadow);
+ pde = pd_addr + (entry - parent->entries) * 8;
+ amdgpu_vm_do_set_ptes(p, pde, dst, 1, 0, flags);
+ }
+ pd_addr = amdgpu_bo_gpu_offset(parent->bo);
+ pde = pd_addr + (entry - parent->entries) * 8;
+ amdgpu_vm_do_set_ptes(p, pde, dst, 1, 0, flags);
+ }
}
/**
@@ -1287,49 +1332,44 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params,
uint64_t addr, pe_start;
struct amdgpu_bo *pt;
unsigned nptes;
- int r;
bool use_cpu_update = (params->func == amdgpu_vm_cpu_set_ptes);
-
/* walk over the address space and update the page tables */
- for (addr = start; addr < end; addr += nptes) {
- pt = amdgpu_vm_get_pt(params, addr);
- if (!pt) {
- pr_err("PT not found, aborting update_ptes\n");
- return -EINVAL;
- }
+ for (addr = start; addr < end; addr += nptes,
+ dst += nptes * AMDGPU_GPU_PAGE_SIZE) {
+ struct amdgpu_vm_pt *entry, *parent;
- if (params->shadow) {
- if (WARN_ONCE(use_cpu_update,
- "CPU VM update doesn't suuport shadow pages"))
- return 0;
-
- if (!pt->shadow)
- return 0;
- pt = pt->shadow;
- }
+ amdgpu_vm_get_entry(params, addr, &entry, &parent);
+ if (!entry)
+ return -ENOENT;
if ((addr & ~mask) == (end & ~mask))
nptes = end - addr;
else
nptes = AMDGPU_VM_PTE_COUNT(adev) - (addr & mask);
+ amdgpu_vm_handle_huge_pages(params, entry, parent,
+ nptes, dst, flags);
+ /* We don't need to update PTEs for huge pages */
+ if (entry->addr & AMDGPU_PDE_PTE)
+ continue;
+
+ pt = entry->bo;
if (use_cpu_update) {
- r = amdgpu_bo_kmap(pt, (void *)&pe_start);
- if (r)
- return r;
- } else
+ pe_start = (unsigned long)amdgpu_bo_kptr(pt);
+ } else {
+ if (pt->shadow) {
+ pe_start = amdgpu_bo_gpu_offset(pt->shadow);
+ pe_start += (addr & mask) * 8;
+ params->func(params, pe_start, dst, nptes,
+ AMDGPU_GPU_PAGE_SIZE, flags);
+ }
pe_start = amdgpu_bo_gpu_offset(pt);
+ }
pe_start += (addr & mask) * 8;
-
params->func(params, pe_start, dst, nptes,
AMDGPU_GPU_PAGE_SIZE, flags);
-
- dst += nptes * AMDGPU_GPU_PAGE_SIZE;
-
- if (use_cpu_update)
- amdgpu_bo_kunmap(pt);
}
return 0;
@@ -1370,10 +1410,9 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params *params,
* Userspace can support this by aligning virtual base address and
* allocation size to the fragment size.
*/
-
- /* SI and newer are optimized for 64KB */
- uint64_t frag_flags = AMDGPU_PTE_FRAG(AMDGPU_LOG2_PAGES_PER_FRAG);
- uint64_t frag_align = 1 << AMDGPU_LOG2_PAGES_PER_FRAG;
+ unsigned pages_per_frag = params->adev->vm_manager.fragment_size;
+ uint64_t frag_flags = AMDGPU_PTE_FRAG(pages_per_frag);
+ uint64_t frag_align = 1 << pages_per_frag;
uint64_t frag_start = ALIGN(start, frag_align);
uint64_t frag_end = end & ~(frag_align - 1);
@@ -1445,6 +1484,10 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
params.vm = vm;
params.src = src;
+ /* sync to everything on unmapping */
+ if (!(flags & AMDGPU_PTE_VALID))
+ owner = AMDGPU_FENCE_OWNER_UNDEFINED;
+
if (vm->use_cpu_for_update) {
/* params.src is used as flag to indicate system Memory */
if (pages_addr)
@@ -1453,23 +1496,18 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
/* Wait for PT BOs to be free. PTs share the same resv. object
* as the root PD BO
*/
- r = amdgpu_vm_bo_wait(adev, vm->root.bo);
+ r = amdgpu_vm_wait_pd(adev, vm, owner);
if (unlikely(r))
return r;
params.func = amdgpu_vm_cpu_set_ptes;
params.pages_addr = pages_addr;
- params.shadow = false;
return amdgpu_vm_frag_ptes(&params, start, last + 1,
addr, flags);
}
ring = container_of(vm->entity.sched, struct amdgpu_ring, sched);
- /* sync to everything on unmapping */
- if (!(flags & AMDGPU_PTE_VALID))
- owner = AMDGPU_FENCE_OWNER_UNDEFINED;
-
nptes = last - start + 1;
/*
@@ -1481,6 +1519,9 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
/* padding, etc. */
ndw = 64;
+ /* one PDE write for each huge page */
+ ndw += ((nptes >> adev->vm_manager.block_size) + 1) * 6;
+
if (src) {
/* only copy commands needed */
ndw += ncmds * 7;
@@ -1542,11 +1583,6 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
if (r)
goto error_free;
- params.shadow = true;
- r = amdgpu_vm_frag_ptes(&params, start, last + 1, addr, flags);
- if (r)
- goto error_free;
- params.shadow = false;
r = amdgpu_vm_frag_ptes(&params, start, last + 1, addr, flags);
if (r)
goto error_free;
@@ -1565,6 +1601,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
error_free:
amdgpu_job_free(job);
+ amdgpu_vm_invalidate_level(&vm->root);
return r;
}
@@ -1687,7 +1724,8 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va,
bool clear)
{
- struct amdgpu_vm *vm = bo_va->vm;
+ struct amdgpu_bo *bo = bo_va->base.bo;
+ struct amdgpu_vm *vm = bo_va->base.vm;
struct amdgpu_bo_va_mapping *mapping;
dma_addr_t *pages_addr = NULL;
uint64_t gtt_flags, flags;
@@ -1696,27 +1734,27 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
struct dma_fence *exclusive;
int r;
- if (clear || !bo_va->bo) {
+ if (clear || !bo_va->base.bo) {
mem = NULL;
nodes = NULL;
exclusive = NULL;
} else {
struct ttm_dma_tt *ttm;
- mem = &bo_va->bo->tbo.mem;
+ mem = &bo_va->base.bo->tbo.mem;
nodes = mem->mm_node;
if (mem->mem_type == TTM_PL_TT) {
- ttm = container_of(bo_va->bo->tbo.ttm, struct
- ttm_dma_tt, ttm);
+ ttm = container_of(bo_va->base.bo->tbo.ttm,
+ struct ttm_dma_tt, ttm);
pages_addr = ttm->dma_address;
}
- exclusive = reservation_object_get_excl(bo_va->bo->tbo.resv);
+ exclusive = reservation_object_get_excl(bo->tbo.resv);
}
- if (bo_va->bo) {
- flags = amdgpu_ttm_tt_pte_flags(adev, bo_va->bo->tbo.ttm, mem);
- gtt_flags = (amdgpu_ttm_is_bound(bo_va->bo->tbo.ttm) &&
- adev == amdgpu_ttm_adev(bo_va->bo->tbo.bdev)) ?
+ if (bo) {
+ flags = amdgpu_ttm_tt_pte_flags(adev, bo->tbo.ttm, mem);
+ gtt_flags = (amdgpu_ttm_is_bound(bo->tbo.ttm) &&
+ adev == amdgpu_ttm_adev(bo->tbo.bdev)) ?
flags : 0;
} else {
flags = 0x0;
@@ -1724,7 +1762,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
}
spin_lock(&vm->status_lock);
- if (!list_empty(&bo_va->vm_status))
+ if (!list_empty(&bo_va->base.vm_status))
list_splice_init(&bo_va->valids, &bo_va->invalids);
spin_unlock(&vm->status_lock);
@@ -1747,11 +1785,17 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
spin_lock(&vm->status_lock);
list_splice_init(&bo_va->invalids, &bo_va->valids);
- list_del_init(&bo_va->vm_status);
+ list_del_init(&bo_va->base.vm_status);
if (clear)
- list_add(&bo_va->vm_status, &vm->cleared);
+ list_add(&bo_va->base.vm_status, &vm->cleared);
spin_unlock(&vm->status_lock);
+ if (vm->use_cpu_for_update) {
+ /* Flush HDP */
+ mb();
+ amdgpu_gart_flush_gpu_tlb(adev, 0);
+ }
+
return 0;
}
@@ -1905,15 +1949,19 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *mapping;
struct dma_fence *f = NULL;
int r;
+ uint64_t init_pte_value = 0;
while (!list_empty(&vm->freed)) {
mapping = list_first_entry(&vm->freed,
struct amdgpu_bo_va_mapping, list);
list_del(&mapping->list);
+ if (vm->pte_support_ats)
+ init_pte_value = AMDGPU_PTE_SYSTEM;
+
r = amdgpu_vm_bo_update_mapping(adev, NULL, 0, NULL, vm,
mapping->start, mapping->last,
- 0, 0, &f);
+ init_pte_value, 0, &f);
amdgpu_vm_free_mapping(adev, vm, mapping, f);
if (r) {
dma_fence_put(f);
@@ -1933,26 +1981,26 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
}
/**
- * amdgpu_vm_clear_invalids - clear invalidated BOs in the PT
+ * amdgpu_vm_clear_moved - clear moved BOs in the PT
*
* @adev: amdgpu_device pointer
* @vm: requested vm
*
- * Make sure all invalidated BOs are cleared in the PT.
+ * Make sure all moved BOs are cleared in the PT.
* Returns 0 for success.
*
* PTs have to be reserved and mutex must be locked!
*/
-int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
- struct amdgpu_vm *vm, struct amdgpu_sync *sync)
+int amdgpu_vm_clear_moved(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+ struct amdgpu_sync *sync)
{
struct amdgpu_bo_va *bo_va = NULL;
int r = 0;
spin_lock(&vm->status_lock);
- while (!list_empty(&vm->invalidated)) {
- bo_va = list_first_entry(&vm->invalidated,
- struct amdgpu_bo_va, vm_status);
+ while (!list_empty(&vm->moved)) {
+ bo_va = list_first_entry(&vm->moved,
+ struct amdgpu_bo_va, base.vm_status);
spin_unlock(&vm->status_lock);
r = amdgpu_vm_bo_update(adev, bo_va, true);
@@ -1992,16 +2040,17 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
if (bo_va == NULL) {
return NULL;
}
- bo_va->vm = vm;
- bo_va->bo = bo;
+ bo_va->base.vm = vm;
+ bo_va->base.bo = bo;
+ INIT_LIST_HEAD(&bo_va->base.bo_list);
+ INIT_LIST_HEAD(&bo_va->base.vm_status);
+
bo_va->ref_count = 1;
- INIT_LIST_HEAD(&bo_va->bo_list);
INIT_LIST_HEAD(&bo_va->valids);
INIT_LIST_HEAD(&bo_va->invalids);
- INIT_LIST_HEAD(&bo_va->vm_status);
if (bo)
- list_add_tail(&bo_va->bo_list, &bo->va);
+ list_add_tail(&bo_va->base.bo_list, &bo->va);
return bo_va;
}
@@ -2026,7 +2075,8 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
uint64_t size, uint64_t flags)
{
struct amdgpu_bo_va_mapping *mapping, *tmp;
- struct amdgpu_vm *vm = bo_va->vm;
+ struct amdgpu_bo *bo = bo_va->base.bo;
+ struct amdgpu_vm *vm = bo_va->base.vm;
uint64_t eaddr;
/* validate the parameters */
@@ -2037,7 +2087,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
/* make sure object fit at this offset */
eaddr = saddr + size - 1;
if (saddr >= eaddr ||
- (bo_va->bo && offset + size > amdgpu_bo_size(bo_va->bo)))
+ (bo && offset + size > amdgpu_bo_size(bo)))
return -EINVAL;
saddr /= AMDGPU_GPU_PAGE_SIZE;
@@ -2047,7 +2097,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
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,
+ "0x%010Lx-0x%010Lx\n", bo, saddr, eaddr,
tmp->start, tmp->last + 1);
return -EINVAL;
}
@@ -2092,7 +2142,8 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
uint64_t size, uint64_t flags)
{
struct amdgpu_bo_va_mapping *mapping;
- struct amdgpu_vm *vm = bo_va->vm;
+ struct amdgpu_bo *bo = bo_va->base.bo;
+ struct amdgpu_vm *vm = bo_va->base.vm;
uint64_t eaddr;
int r;
@@ -2104,7 +2155,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
/* make sure object fit at this offset */
eaddr = saddr + size - 1;
if (saddr >= eaddr ||
- (bo_va->bo && offset + size > amdgpu_bo_size(bo_va->bo)))
+ (bo && offset + size > amdgpu_bo_size(bo)))
return -EINVAL;
/* Allocate all the needed memory */
@@ -2112,7 +2163,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
if (!mapping)
return -ENOMEM;
- r = amdgpu_vm_bo_clear_mappings(adev, bo_va->vm, saddr, size);
+ r = amdgpu_vm_bo_clear_mappings(adev, bo_va->base.vm, saddr, size);
if (r) {
kfree(mapping);
return r;
@@ -2152,7 +2203,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
uint64_t saddr)
{
struct amdgpu_bo_va_mapping *mapping;
- struct amdgpu_vm *vm = bo_va->vm;
+ struct amdgpu_vm *vm = bo_va->base.vm;
bool valid = true;
saddr /= AMDGPU_GPU_PAGE_SIZE;
@@ -2300,12 +2351,12 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va)
{
struct amdgpu_bo_va_mapping *mapping, *next;
- struct amdgpu_vm *vm = bo_va->vm;
+ struct amdgpu_vm *vm = bo_va->base.vm;
- list_del(&bo_va->bo_list);
+ list_del(&bo_va->base.bo_list);
spin_lock(&vm->status_lock);
- list_del(&bo_va->vm_status);
+ list_del(&bo_va->base.vm_status);
spin_unlock(&vm->status_lock);
list_for_each_entry_safe(mapping, next, &bo_va->valids, list) {
@@ -2337,13 +2388,14 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
struct amdgpu_bo *bo)
{
- struct amdgpu_bo_va *bo_va;
+ struct amdgpu_vm_bo_base *bo_base;
- list_for_each_entry(bo_va, &bo->va, bo_list) {
- spin_lock(&bo_va->vm->status_lock);
- if (list_empty(&bo_va->vm_status))
- list_add(&bo_va->vm_status, &bo_va->vm->invalidated);
- spin_unlock(&bo_va->vm->status_lock);
+ list_for_each_entry(bo_base, &bo->va, bo_list) {
+ spin_lock(&bo_base->vm->status_lock);
+ if (list_empty(&bo_base->vm_status))
+ list_add(&bo_base->vm_status,
+ &bo_base->vm->moved);
+ spin_unlock(&bo_base->vm->status_lock);
}
}
@@ -2361,12 +2413,26 @@ static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size)
}
/**
- * amdgpu_vm_adjust_size - adjust vm size and block size
+ * amdgpu_vm_set_fragment_size - adjust fragment size in PTE
+ *
+ * @adev: amdgpu_device pointer
+ * @fragment_size_default: the default fragment size if it's set auto
+ */
+void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev, uint32_t fragment_size_default)
+{
+ if (amdgpu_vm_fragment_size == -1)
+ adev->vm_manager.fragment_size = fragment_size_default;
+ else
+ adev->vm_manager.fragment_size = amdgpu_vm_fragment_size;
+}
+
+/**
+ * amdgpu_vm_adjust_size - adjust vm size, block size and fragment size
*
* @adev: amdgpu_device pointer
* @vm_size: the default vm size if it's set auto
*/
-void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size)
+void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size, uint32_t fragment_size_default)
{
/* adjust vm size firstly */
if (amdgpu_vm_size == -1)
@@ -2381,8 +2447,11 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size)
else
adev->vm_manager.block_size = amdgpu_vm_block_size;
- DRM_INFO("vm size is %llu GB, block size is %u-bit\n",
- adev->vm_manager.vm_size, adev->vm_manager.block_size);
+ amdgpu_vm_set_fragment_size(adev, fragment_size_default);
+
+ DRM_INFO("vm size is %llu GB, block size is %u-bit, fragment size is %u-bit\n",
+ adev->vm_manager.vm_size, adev->vm_manager.block_size,
+ adev->vm_manager.fragment_size);
}
/**
@@ -2404,13 +2473,14 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
struct amd_sched_rq *rq;
int r, i;
u64 flags;
+ uint64_t init_pde_value = 0;
vm->va = RB_ROOT;
vm->client_id = atomic64_inc_return(&adev->vm_manager.client_counter);
for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
vm->reserved_vmid[i] = NULL;
spin_lock_init(&vm->status_lock);
- INIT_LIST_HEAD(&vm->invalidated);
+ INIT_LIST_HEAD(&vm->moved);
INIT_LIST_HEAD(&vm->cleared);
INIT_LIST_HEAD(&vm->freed);
@@ -2425,10 +2495,17 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (r)
return r;
- if (vm_context == AMDGPU_VM_CONTEXT_COMPUTE)
+ vm->pte_support_ats = false;
+
+ if (vm_context == AMDGPU_VM_CONTEXT_COMPUTE) {
vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
AMDGPU_VM_USE_CPU_FOR_COMPUTE);
- else
+
+ if (adev->asic_type == CHIP_RAVEN) {
+ vm->pte_support_ats = true;
+ init_pde_value = AMDGPU_PTE_SYSTEM | AMDGPU_PDE_PTE;
+ }
+ } else
vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
AMDGPU_VM_USE_CPU_FOR_GFX);
DRM_DEBUG_DRIVER("VM update mode is %s\n",
@@ -2448,7 +2525,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
r = amdgpu_bo_create(adev, amdgpu_vm_bo_size(adev, 0), align, true,
AMDGPU_GEM_DOMAIN_VRAM,
flags,
- NULL, NULL, &vm->root.bo);
+ NULL, NULL, init_pde_value, &vm->root.bo);
if (r)
goto error_free_sched_entity;
@@ -2457,6 +2534,13 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
goto error_free_root;
vm->last_eviction_counter = atomic64_read(&adev->num_evictions);
+
+ if (vm->use_cpu_for_update) {
+ r = amdgpu_bo_kmap(vm->root.bo, NULL);
+ if (r)
+ goto error_free_root;
+ }
+
amdgpu_bo_unreserve(vm->root.bo);
return 0;