#include <linux/pagemap.h>
#include <linux/debugfs.h>
#include "amdgpu.h"
+#include "amdgpu_trace.h"
#include "bif/bif_4_1_d.h"
#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
+static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *mem, unsigned num_pages,
+ uint64_t offset, unsigned window,
+ struct amdgpu_ring *ring,
+ uint64_t *addr);
+
static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
static void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev);
-
/*
* Global memory.
*/
goto error_bo;
}
+ mutex_init(&adev->mman.gtt_window_lock);
+
ring = adev->mman.buffer_funcs_ring;
rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_KERNEL];
r = amd_sched_entity_init(&ring->sched, &adev->mman.entity,
if (adev->mman.mem_global_referenced) {
amd_sched_entity_fini(adev->mman.entity.sched,
&adev->mman.entity);
+ mutex_destroy(&adev->mman.gtt_window_lock);
drm_global_item_unref(&adev->mman.bo_global_ref.ref);
drm_global_item_unref(&adev->mman.mem_global_ref);
adev->mman.mem_global_referenced = false;
break;
case TTM_PL_TT:
man->func = &amdgpu_gtt_mgr_func;
- man->gpu_offset = adev->mc.gtt_start;
+ man->gpu_offset = adev->mc.gart_start;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
struct amdgpu_bo *abo;
- static struct ttm_place placements = {
+ static const struct ttm_place placements = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
};
- unsigned i;
if (!amdgpu_ttm_bo_is_amdgpu_bo(bo)) {
placement->placement = &placements;
adev->mman.buffer_funcs_ring &&
adev->mman.buffer_funcs_ring->ready == false) {
amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_CPU);
+ } else if (adev->mc.visible_vram_size < adev->mc.real_vram_size &&
+ !(abo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)) {
+ unsigned fpfn = adev->mc.visible_vram_size >> PAGE_SHIFT;
+ struct drm_mm_node *node = bo->mem.mm_node;
+ unsigned long pages_left;
+
+ for (pages_left = bo->mem.num_pages;
+ pages_left;
+ pages_left -= node->size, node++) {
+ if (node->start < fpfn)
+ break;
+ }
+
+ if (!pages_left)
+ goto gtt;
+
+ /* Try evicting to the CPU inaccessible part of VRAM
+ * first, but only set GTT as busy placement, so this
+ * BO will be evicted to GTT rather than causing other
+ * BOs to be evicted from VRAM
+ */
+ amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_VRAM |
+ AMDGPU_GEM_DOMAIN_GTT);
+ abo->placements[0].fpfn = fpfn;
+ abo->placements[0].lpfn = 0;
+ abo->placement.busy_placement = &abo->placements[1];
+ abo->placement.num_busy_placement = 1;
} else {
+gtt:
amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_GTT);
- for (i = 0; i < abo->placement.num_placement; ++i) {
- if (!(abo->placements[i].flags &
- TTM_PL_FLAG_TT))
- continue;
-
- if (abo->placements[i].lpfn)
- continue;
-
- /* set an upper limit to force directly
- * allocating address space for the BO.
- */
- abo->placements[i].lpfn =
- adev->mc.gtt_size >> PAGE_SHIFT;
- }
}
break;
case TTM_PL_TT:
new_mem->mm_node = NULL;
}
-static int amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
- struct drm_mm_node *mm_node,
- struct ttm_mem_reg *mem,
- uint64_t *addr)
+static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
+ struct drm_mm_node *mm_node,
+ struct ttm_mem_reg *mem)
{
- int r;
+ uint64_t addr = 0;
- switch (mem->mem_type) {
- case TTM_PL_TT:
- r = amdgpu_ttm_bind(bo, mem);
- if (r)
- return r;
-
- case TTM_PL_VRAM:
- *addr = mm_node->start << PAGE_SHIFT;
- *addr += bo->bdev->man[mem->mem_type].gpu_offset;
- break;
- default:
- DRM_ERROR("Unknown placement %d\n", mem->mem_type);
- return -EINVAL;
+ if (mem->mem_type != TTM_PL_TT ||
+ amdgpu_gtt_mgr_is_allocated(mem)) {
+ addr = mm_node->start << PAGE_SHIFT;
+ addr += bo->bdev->man[mem->mem_type].gpu_offset;
}
-
- return 0;
+ return addr;
}
static int amdgpu_move_blit(struct ttm_buffer_object *bo,
}
old_mm = old_mem->mm_node;
- r = amdgpu_mm_node_addr(bo, old_mm, old_mem, &old_start);
- if (r)
- return r;
old_size = old_mm->size;
-
+ old_start = amdgpu_mm_node_addr(bo, old_mm, old_mem);
new_mm = new_mem->mm_node;
- r = amdgpu_mm_node_addr(bo, new_mm, new_mem, &new_start);
- if (r)
- return r;
new_size = new_mm->size;
+ new_start = amdgpu_mm_node_addr(bo, new_mm, new_mem);
num_pages = new_mem->num_pages;
+ mutex_lock(&adev->mman.gtt_window_lock);
while (num_pages) {
- unsigned long cur_pages = min(old_size, new_size);
+ unsigned long cur_pages = min(min(old_size, new_size),
+ (u64)AMDGPU_GTT_MAX_TRANSFER_SIZE);
+ uint64_t from = old_start, to = new_start;
struct dma_fence *next;
- r = amdgpu_copy_buffer(ring, old_start, new_start,
+ if (old_mem->mem_type == TTM_PL_TT &&
+ !amdgpu_gtt_mgr_is_allocated(old_mem)) {
+ r = amdgpu_map_buffer(bo, old_mem, cur_pages,
+ old_start, 0, ring, &from);
+ if (r)
+ goto error;
+ }
+
+ if (new_mem->mem_type == TTM_PL_TT &&
+ !amdgpu_gtt_mgr_is_allocated(new_mem)) {
+ r = amdgpu_map_buffer(bo, new_mem, cur_pages,
+ new_start, 1, ring, &to);
+ if (r)
+ goto error;
+ }
+
+ r = amdgpu_copy_buffer(ring, from, to,
cur_pages * PAGE_SIZE,
- bo->resv, &next, false);
+ bo->resv, &next, false, true);
if (r)
goto error;
old_size -= cur_pages;
if (!old_size) {
- r = amdgpu_mm_node_addr(bo, ++old_mm, old_mem,
- &old_start);
- if (r)
- goto error;
+ old_start = amdgpu_mm_node_addr(bo, ++old_mm, old_mem);
old_size = old_mm->size;
} else {
old_start += cur_pages * PAGE_SIZE;
new_size -= cur_pages;
if (!new_size) {
- r = amdgpu_mm_node_addr(bo, ++new_mm, new_mem,
- &new_start);
- if (r)
- goto error;
-
+ new_start = amdgpu_mm_node_addr(bo, ++new_mm, new_mem);
new_size = new_mm->size;
} else {
new_start += cur_pages * PAGE_SIZE;
}
}
+ mutex_unlock(&adev->mman.gtt_window_lock);
r = ttm_bo_pipeline_move(bo, fence, evict, new_mem);
dma_fence_put(fence);
return r;
error:
+ mutex_unlock(&adev->mman.gtt_window_lock);
+
if (fence)
dma_fence_wait(fence, false);
dma_fence_put(fence);
placement.num_busy_placement = 1;
placement.busy_placement = &placements;
placements.fpfn = 0;
- placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT;
+ placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
interruptible, no_wait_gpu);
placement.num_busy_placement = 1;
placement.busy_placement = &placements;
placements.fpfn = 0;
- placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT;
+ placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
interruptible, no_wait_gpu);
}
}
+ if (bo->type == ttm_bo_type_device &&
+ new_mem->mem_type == TTM_PL_VRAM &&
+ old_mem->mem_type != TTM_PL_VRAM) {
+ /* amdgpu_bo_fault_reserve_notify will re-set this if the CPU
+ * accesses the BO after it's moved.
+ */
+ abo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
+ }
+
/* update statistics */
atomic64_add((u64)bo->num_pages << PAGE_SHIFT, &adev->num_bytes_moved);
return 0;
return r;
}
+static void amdgpu_trace_dma_map(struct ttm_tt *ttm)
+{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev);
+ struct amdgpu_ttm_tt *gtt = (void *)ttm;
+ unsigned i;
+
+ if (unlikely(trace_amdgpu_ttm_tt_populate_enabled())) {
+ for (i = 0; i < ttm->num_pages; i++) {
+ trace_amdgpu_ttm_tt_populate(
+ adev,
+ gtt->ttm.dma_address[i],
+ page_to_phys(ttm->pages[i]));
+ }
+ }
+}
+
+static void amdgpu_trace_dma_unmap(struct ttm_tt *ttm)
+{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev);
+ struct amdgpu_ttm_tt *gtt = (void *)ttm;
+ unsigned i;
+
+ if (unlikely(trace_amdgpu_ttm_tt_unpopulate_enabled())) {
+ for (i = 0; i < ttm->num_pages; i++) {
+ trace_amdgpu_ttm_tt_unpopulate(
+ adev,
+ gtt->ttm.dma_address[i],
+ page_to_phys(ttm->pages[i]));
+ }
+ }
+}
+
/* prepare the sg table with the user pages */
static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm)
{
drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
gtt->ttm.dma_address, ttm->num_pages);
+ amdgpu_trace_dma_map(ttm);
+
return 0;
release_sg:
put_page(page);
}
+ amdgpu_trace_dma_unmap(ttm);
+
sg_free_table(ttm->sg);
}
+static int amdgpu_ttm_do_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
+{
+ struct amdgpu_ttm_tt *gtt = (void *)ttm;
+ uint64_t flags;
+ int r;
+
+ spin_lock(>t->adev->gtt_list_lock);
+ flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, mem);
+ gtt->offset = (u64)mem->start << PAGE_SHIFT;
+ r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages,
+ ttm->pages, gtt->ttm.dma_address, flags);
+
+ if (r) {
+ DRM_ERROR("failed to bind %lu pages at 0x%08llX\n",
+ ttm->num_pages, gtt->offset);
+ goto error_gart_bind;
+ }
+
+ list_add_tail(>t->list, >t->adev->gtt_list);
+error_gart_bind:
+ spin_unlock(>t->adev->gtt_list_lock);
+ return r;
+
+}
+
static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm,
struct ttm_mem_reg *bo_mem)
{
struct amdgpu_ttm_tt *gtt = (void*)ttm;
- int r;
+ int r = 0;
if (gtt->userptr) {
r = amdgpu_ttm_tt_pin_userptr(ttm);
bo_mem->mem_type == AMDGPU_PL_OA)
return -EINVAL;
- return 0;
+ if (amdgpu_gtt_mgr_is_allocated(bo_mem))
+ r = amdgpu_ttm_do_bind(ttm, bo_mem);
+
+ return r;
}
bool amdgpu_ttm_is_bound(struct ttm_tt *ttm)
int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem)
{
struct ttm_tt *ttm = bo->ttm;
- struct amdgpu_ttm_tt *gtt = (void *)bo->ttm;
- uint64_t flags;
int r;
if (!ttm || amdgpu_ttm_is_bound(ttm))
return r;
}
- spin_lock(>t->adev->gtt_list_lock);
- flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem);
- gtt->offset = (u64)bo_mem->start << PAGE_SHIFT;
- r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages,
- ttm->pages, gtt->ttm.dma_address, flags);
-
- if (r) {
- DRM_ERROR("failed to bind %lu pages at 0x%08llX\n",
- ttm->num_pages, gtt->offset);
- goto error_gart_bind;
- }
-
- list_add_tail(>t->list, >t->adev->gtt_list);
-error_gart_bind:
- spin_unlock(>t->adev->gtt_list_lock);
- return r;
+ return amdgpu_ttm_do_bind(ttm, bo_mem);
}
int amdgpu_ttm_recover_gart(struct amdgpu_device *adev)
static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm)
{
- struct amdgpu_device *adev;
+ struct amdgpu_device *adev = amdgpu_ttm_adev(ttm->bdev);
struct amdgpu_ttm_tt *gtt = (void *)ttm;
unsigned i;
int r;
drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
gtt->ttm.dma_address, ttm->num_pages);
ttm->state = tt_unbound;
- return 0;
+ r = 0;
+ goto trace_mappings;
}
- adev = amdgpu_ttm_adev(ttm->bdev);
-
#ifdef CONFIG_SWIOTLB
if (swiotlb_nr_tbl()) {
- return ttm_dma_populate(>t->ttm, adev->dev);
+ r = ttm_dma_populate(>t->ttm, adev->dev);
+ goto trace_mappings;
}
#endif
return -EFAULT;
}
}
- return 0;
+
+ r = 0;
+trace_mappings:
+ if (likely(!r))
+ amdgpu_trace_dma_map(ttm);
+ return r;
}
static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm)
adev = amdgpu_ttm_adev(ttm->bdev);
+ amdgpu_trace_dma_unmap(ttm);
+
#ifdef CONFIG_SWIOTLB
if (swiotlb_nr_tbl()) {
ttm_dma_unpopulate(>t->ttm, adev->dev);
return ttm_bo_eviction_valuable(bo, place);
}
+static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo,
+ unsigned long offset,
+ void *buf, int len, int write)
+{
+ struct amdgpu_bo *abo = container_of(bo, struct amdgpu_bo, tbo);
+ struct amdgpu_device *adev = amdgpu_ttm_adev(abo->tbo.bdev);
+ struct drm_mm_node *nodes = abo->tbo.mem.mm_node;
+ uint32_t value = 0;
+ int ret = 0;
+ uint64_t pos;
+ unsigned long flags;
+
+ if (bo->mem.mem_type != TTM_PL_VRAM)
+ return -EIO;
+
+ while (offset >= (nodes->size << PAGE_SHIFT)) {
+ offset -= nodes->size << PAGE_SHIFT;
+ ++nodes;
+ }
+ pos = (nodes->start << PAGE_SHIFT) + offset;
+
+ while (len && pos < adev->mc.mc_vram_size) {
+ uint64_t aligned_pos = pos & ~(uint64_t)3;
+ uint32_t bytes = 4 - (pos & 3);
+ uint32_t shift = (pos & 3) * 8;
+ uint32_t mask = 0xffffffff << shift;
+
+ if (len < bytes) {
+ mask &= 0xffffffff >> (bytes - len) * 8;
+ bytes = len;
+ }
+
+ spin_lock_irqsave(&adev->mmio_idx_lock, flags);
+ WREG32(mmMM_INDEX, ((uint32_t)aligned_pos) | 0x80000000);
+ WREG32(mmMM_INDEX_HI, aligned_pos >> 31);
+ if (!write || mask != 0xffffffff)
+ value = RREG32(mmMM_DATA);
+ if (write) {
+ value &= ~mask;
+ value |= (*(uint32_t *)buf << shift) & mask;
+ WREG32(mmMM_DATA, value);
+ }
+ spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
+ if (!write) {
+ value = (value & mask) >> shift;
+ memcpy(buf, &value, bytes);
+ }
+
+ ret += bytes;
+ buf = (uint8_t *)buf + bytes;
+ pos += bytes;
+ len -= bytes;
+ if (pos >= (nodes->start + nodes->size) << PAGE_SHIFT) {
+ ++nodes;
+ pos = (nodes->start << PAGE_SHIFT);
+ }
+ }
+
+ return ret;
+}
+
static struct ttm_bo_driver amdgpu_bo_driver = {
.ttm_tt_create = &amdgpu_ttm_tt_create,
.ttm_tt_populate = &amdgpu_ttm_tt_populate,
.io_mem_reserve = &amdgpu_ttm_io_mem_reserve,
.io_mem_free = &amdgpu_ttm_io_mem_free,
.io_mem_pfn = amdgpu_ttm_io_mem_pfn,
+ .access_memory = &amdgpu_ttm_access_memory
};
int amdgpu_ttm_init(struct amdgpu_device *adev)
{
+ uint64_t gtt_size;
int r;
+ u64 vis_vram_limit;
r = amdgpu_ttm_global_init(adev);
if (r) {
DRM_ERROR("Failed initializing VRAM heap.\n");
return r;
}
+
+ /* Reduce size of CPU-visible VRAM if requested */
+ vis_vram_limit = (u64)amdgpu_vis_vram_limit * 1024 * 1024;
+ if (amdgpu_vis_vram_limit > 0 &&
+ vis_vram_limit <= adev->mc.visible_vram_size)
+ adev->mc.visible_vram_size = vis_vram_limit;
+
/* Change the size here instead of the init above so only lpfn is affected */
amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size);
- r = amdgpu_bo_create(adev, adev->mc.stolen_size, PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
- AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
- NULL, NULL, &adev->stollen_vga_memory);
- if (r) {
- return r;
- }
- r = amdgpu_bo_reserve(adev->stollen_vga_memory, false);
+ r = amdgpu_bo_create_kernel(adev, adev->mc.stolen_size, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->stolen_vga_memory,
+ NULL, NULL);
if (r)
return r;
- r = amdgpu_bo_pin(adev->stollen_vga_memory, AMDGPU_GEM_DOMAIN_VRAM, NULL);
- amdgpu_bo_unreserve(adev->stollen_vga_memory);
- if (r) {
- amdgpu_bo_unref(&adev->stollen_vga_memory);
- return r;
- }
DRM_INFO("amdgpu: %uM of VRAM memory ready\n",
(unsigned) (adev->mc.real_vram_size / (1024 * 1024)));
- r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT,
- adev->mc.gtt_size >> PAGE_SHIFT);
+
+ if (amdgpu_gtt_size == -1)
+ gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size);
+ else
+ gtt_size = (uint64_t)amdgpu_gtt_size << 20;
+ r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT);
if (r) {
DRM_ERROR("Failed initializing GTT heap.\n");
return r;
}
DRM_INFO("amdgpu: %uM of GTT memory ready.\n",
- (unsigned)(adev->mc.gtt_size / (1024 * 1024)));
+ (unsigned)(gtt_size / (1024 * 1024)));
adev->gds.mem.total_size = adev->gds.mem.total_size << AMDGPU_GDS_SHIFT;
adev->gds.mem.gfx_partition_size = adev->gds.mem.gfx_partition_size << AMDGPU_GDS_SHIFT;
if (!adev->mman.initialized)
return;
amdgpu_ttm_debugfs_fini(adev);
- if (adev->stollen_vga_memory) {
- r = amdgpu_bo_reserve(adev->stollen_vga_memory, true);
+ if (adev->stolen_vga_memory) {
+ r = amdgpu_bo_reserve(adev->stolen_vga_memory, true);
if (r == 0) {
- amdgpu_bo_unpin(adev->stollen_vga_memory);
- amdgpu_bo_unreserve(adev->stollen_vga_memory);
+ amdgpu_bo_unpin(adev->stolen_vga_memory);
+ amdgpu_bo_unreserve(adev->stolen_vga_memory);
}
- amdgpu_bo_unref(&adev->stollen_vga_memory);
+ amdgpu_bo_unref(&adev->stolen_vga_memory);
}
ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_VRAM);
ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_TT);
return ttm_bo_mmap(filp, vma, &adev->mman.bdev);
}
-int amdgpu_copy_buffer(struct amdgpu_ring *ring,
- uint64_t src_offset,
- uint64_t dst_offset,
- uint32_t byte_count,
+static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *mem, unsigned num_pages,
+ uint64_t offset, unsigned window,
+ struct amdgpu_ring *ring,
+ uint64_t *addr)
+{
+ struct amdgpu_ttm_tt *gtt = (void *)bo->ttm;
+ struct amdgpu_device *adev = ring->adev;
+ struct ttm_tt *ttm = bo->ttm;
+ struct amdgpu_job *job;
+ unsigned num_dw, num_bytes;
+ dma_addr_t *dma_address;
+ struct dma_fence *fence;
+ uint64_t src_addr, dst_addr;
+ uint64_t flags;
+ int r;
+
+ BUG_ON(adev->mman.buffer_funcs->copy_max_bytes <
+ AMDGPU_GTT_MAX_TRANSFER_SIZE * 8);
+
+ *addr = adev->mc.gart_start;
+ *addr += (u64)window * AMDGPU_GTT_MAX_TRANSFER_SIZE *
+ AMDGPU_GPU_PAGE_SIZE;
+
+ num_dw = adev->mman.buffer_funcs->copy_num_dw;
+ while (num_dw & 0x7)
+ num_dw++;
+
+ num_bytes = num_pages * 8;
+
+ r = amdgpu_job_alloc_with_ib(adev, num_dw * 4 + num_bytes, &job);
+ if (r)
+ return r;
+
+ src_addr = num_dw * 4;
+ src_addr += job->ibs[0].gpu_addr;
+
+ dst_addr = adev->gart.table_addr;
+ dst_addr += window * AMDGPU_GTT_MAX_TRANSFER_SIZE * 8;
+ amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_addr,
+ dst_addr, num_bytes);
+
+ amdgpu_ring_pad_ib(ring, &job->ibs[0]);
+ WARN_ON(job->ibs[0].length_dw > num_dw);
+
+ dma_address = >t->ttm.dma_address[offset >> PAGE_SHIFT];
+ flags = amdgpu_ttm_tt_pte_flags(adev, ttm, mem);
+ r = amdgpu_gart_map(adev, 0, num_pages, dma_address, flags,
+ &job->ibs[0].ptr[num_dw]);
+ if (r)
+ goto error_free;
+
+ r = amdgpu_job_submit(job, ring, &adev->mman.entity,
+ AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
+ if (r)
+ goto error_free;
+
+ dma_fence_put(fence);
+
+ return r;
+
+error_free:
+ amdgpu_job_free(job);
+ return r;
+}
+
+int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
+ uint64_t dst_offset, uint32_t byte_count,
struct reservation_object *resv,
- struct dma_fence **fence, bool direct_submit)
+ struct dma_fence **fence, bool direct_submit,
+ bool vm_needs_flush)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_job *job;
if (r)
return r;
+ job->vm_needs_flush = vm_needs_flush;
if (resv) {
r = amdgpu_sync_resv(adev, &job->sync, resv,
AMDGPU_FENCE_OWNER_UNDEFINED);
}
int amdgpu_fill_buffer(struct amdgpu_bo *bo,
- uint32_t src_data,
+ uint64_t src_data,
struct reservation_object *resv,
struct dma_fence **fence)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ /* max_bytes applies to SDMA_OP_PTEPDE as well as SDMA_OP_CONST_FILL*/
uint32_t max_bytes = adev->mman.buffer_funcs->fill_max_bytes;
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
return -EINVAL;
}
+ if (bo->tbo.mem.mem_type == TTM_PL_TT) {
+ r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem);
+ if (r)
+ return r;
+ }
+
num_pages = bo->tbo.num_pages;
mm_node = bo->tbo.mem.mm_node;
num_loops = 0;
num_pages -= mm_node->size;
++mm_node;
}
- num_dw = num_loops * adev->mman.buffer_funcs->fill_num_dw;
+
+ /* 10 double words for each SDMA_OP_PTEPDE cmd */
+ num_dw = num_loops * 10;
/* for IB padding */
num_dw += 64;
uint32_t byte_count = mm_node->size << PAGE_SHIFT;
uint64_t dst_addr;
- r = amdgpu_mm_node_addr(&bo->tbo, mm_node,
- &bo->tbo.mem, &dst_addr);
- if (r)
- return r;
+ WARN_ONCE(byte_count & 0x7, "size should be a multiple of 8");
+ dst_addr = amdgpu_mm_node_addr(&bo->tbo, mm_node, &bo->tbo.mem);
while (byte_count) {
uint32_t cur_size_in_bytes = min(byte_count, max_bytes);
- amdgpu_emit_fill_buffer(adev, &job->ibs[0], src_data,
- dst_addr, cur_size_in_bytes);
+ amdgpu_vm_set_pte_pde(adev, &job->ibs[0],
+ dst_addr, 0,
+ cur_size_in_bytes >> 3, 0,
+ src_data);
dst_addr += cur_size_in_bytes;
byte_count -= cur_size_in_bytes;
#if defined(CONFIG_DEBUG_FS)
-extern void amdgpu_gtt_mgr_print(struct seq_file *m, struct ttm_mem_type_manager
- *man);
static int amdgpu_mm_dump_table(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *)m->private;
unsigned ttm_pl = *(int *)node->info_ent->data;
struct drm_device *dev = node->minor->dev;
struct amdgpu_device *adev = dev->dev_private;
- struct drm_mm *mm = (struct drm_mm *)adev->mman.bdev.man[ttm_pl].priv;
- struct ttm_bo_global *glob = adev->mman.bdev.glob;
+ struct ttm_mem_type_manager *man = &adev->mman.bdev.man[ttm_pl];
struct drm_printer p = drm_seq_file_printer(m);
- spin_lock(&glob->lru_lock);
- drm_mm_print(mm, &p);
- spin_unlock(&glob->lru_lock);
- switch (ttm_pl) {
- case TTM_PL_VRAM:
- seq_printf(m, "man size:%llu pages, ram usage:%lluMB, vis usage:%lluMB\n",
- adev->mman.bdev.man[ttm_pl].size,
- (u64)atomic64_read(&adev->vram_usage) >> 20,
- (u64)atomic64_read(&adev->vram_vis_usage) >> 20);
- break;
- case TTM_PL_TT:
- amdgpu_gtt_mgr_print(m, &adev->mman.bdev.man[TTM_PL_TT]);
- break;
- }
+ man->func->debug(man, &p);
return 0;
}
adev, &amdgpu_ttm_gtt_fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
- i_size_write(ent->d_inode, adev->mc.gtt_size);
+ i_size_write(ent->d_inode, adev->mc.gart_size);
adev->mman.gtt = ent;
#endif
git.samba.org / sfrench / cifs-2.6.git / blobdiff