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path: root/drivers/gpu/drm/ttm
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Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c35
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c12
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_vm.c6
-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c2
4 files changed, 21 insertions, 34 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 02cc5d247c0d..2196e3d3ef29 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -72,9 +72,9 @@ static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
struct ttm_resource_manager *man;
int i, mem_type;
- drm_printf(&p, "No space for %p (%lu pages, %luK, %luM)\n",
- bo, bo->mem.num_pages, bo->mem.size >> 10,
- bo->mem.size >> 20);
+ drm_printf(&p, "No space for %p (%lu pages, %zuK, %zuM)\n",
+ bo, bo->mem.num_pages, bo->base.size >> 10,
+ bo->base.size >> 20);
for (i = 0; i < placement->num_placement; i++) {
mem_type = placement->placement[i].mem_type;
drm_printf(&p, " placement[%d]=0x%08X (%d)\n",
@@ -268,7 +268,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
goto out_err;
}
- ctx->bytes_moved += bo->num_pages << PAGE_SHIFT;
+ ctx->bytes_moved += bo->base.size;
return 0;
out_err:
@@ -985,8 +985,7 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
memset(&hop, 0, sizeof(hop));
- mem.num_pages = bo->num_pages;
- mem.size = mem.num_pages << PAGE_SHIFT;
+ mem.num_pages = PAGE_ALIGN(bo->base.size) >> PAGE_SHIFT;
mem.page_alignment = bo->mem.page_alignment;
mem.bus.offset = 0;
mem.bus.addr = NULL;
@@ -1102,7 +1101,7 @@ EXPORT_SYMBOL(ttm_bo_validate);
int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
struct ttm_buffer_object *bo,
- unsigned long size,
+ size_t size,
enum ttm_bo_type type,
struct ttm_placement *placement,
uint32_t page_alignment,
@@ -1113,9 +1112,8 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
void (*destroy) (struct ttm_buffer_object *))
{
struct ttm_mem_global *mem_glob = &ttm_mem_glob;
- int ret = 0;
- unsigned long num_pages;
bool locked;
+ int ret = 0;
ret = ttm_mem_global_alloc(mem_glob, acc_size, ctx);
if (ret) {
@@ -1127,16 +1125,6 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
return -ENOMEM;
}
- num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- if (num_pages == 0) {
- pr_err("Illegal buffer object size\n");
- if (destroy)
- (*destroy)(bo);
- else
- kfree(bo);
- ttm_mem_global_free(mem_glob, acc_size);
- return -EINVAL;
- }
bo->destroy = destroy ? destroy : ttm_bo_default_destroy;
kref_init(&bo->kref);
@@ -1145,10 +1133,8 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
INIT_LIST_HEAD(&bo->swap);
bo->bdev = bdev;
bo->type = type;
- bo->num_pages = num_pages;
- bo->mem.size = num_pages << PAGE_SHIFT;
bo->mem.mem_type = TTM_PL_SYSTEM;
- bo->mem.num_pages = bo->num_pages;
+ bo->mem.num_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
bo->mem.mm_node = NULL;
bo->mem.page_alignment = page_alignment;
bo->mem.bus.offset = 0;
@@ -1166,9 +1152,10 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
}
if (!ttm_bo_uses_embedded_gem_object(bo)) {
/*
- * bo.gem is not initialized, so we have to setup the
+ * bo.base is not initialized, so we have to setup the
* struct elements we want use regardless.
*/
+ bo->base.size = size;
dma_resv_init(&bo->base._resv);
drm_vma_node_reset(&bo->base.vma_node);
}
@@ -1210,7 +1197,7 @@ EXPORT_SYMBOL(ttm_bo_init_reserved);
int ttm_bo_init(struct ttm_bo_device *bdev,
struct ttm_buffer_object *bo,
- unsigned long size,
+ size_t size,
enum ttm_bo_type type,
struct ttm_placement *placement,
uint32_t page_alignment,
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 5bbc1339d28e..398d5013fc39 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -431,9 +431,9 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
map->virtual = NULL;
map->bo = bo;
- if (num_pages > bo->num_pages)
+ if (num_pages > bo->mem.num_pages)
return -EINVAL;
- if (start_page > bo->num_pages)
+ if ((start_page + num_pages) > bo->mem.num_pages)
return -EINVAL;
ret = ttm_mem_io_reserve(bo->bdev, &bo->mem);
@@ -485,14 +485,14 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map)
if (mem->bus.is_iomem) {
void __iomem *vaddr_iomem;
- size_t size = bo->num_pages << PAGE_SHIFT;
if (mem->bus.addr)
vaddr_iomem = (void __iomem *)mem->bus.addr;
else if (mem->bus.caching == ttm_write_combined)
- vaddr_iomem = ioremap_wc(mem->bus.offset, size);
+ vaddr_iomem = ioremap_wc(mem->bus.offset,
+ bo->base.size);
else
- vaddr_iomem = ioremap(mem->bus.offset, size);
+ vaddr_iomem = ioremap(mem->bus.offset, bo->base.size);
if (!vaddr_iomem)
return -ENOMEM;
@@ -517,7 +517,7 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map)
* or to make the buffer object look contiguous.
*/
prot = ttm_io_prot(bo, mem, PAGE_KERNEL);
- vaddr = vmap(ttm->pages, bo->num_pages, 0, prot);
+ vaddr = vmap(ttm->pages, ttm->num_pages, 0, prot);
if (!vaddr)
return -ENOMEM;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 144a4940b6b6..6dc96cf66744 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -198,7 +198,7 @@ static vm_fault_t ttm_bo_vm_insert_huge(struct vm_fault *vmf,
/* Fault should not cross bo boundary. */
page_offset &= ~(fault_page_size - 1);
- if (page_offset + fault_page_size > bo->num_pages)
+ if (page_offset + fault_page_size > bo->mem.num_pages)
goto out_fallback;
if (bo->mem.bus.is_iomem)
@@ -306,7 +306,7 @@ vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
page_last = vma_pages(vma) + vma->vm_pgoff -
drm_vma_node_start(&bo->base.vma_node);
- if (unlikely(page_offset >= bo->num_pages))
+ if (unlikely(page_offset >= bo->mem.num_pages))
return VM_FAULT_SIGBUS;
prot = ttm_io_prot(bo, &bo->mem, prot);
@@ -469,7 +469,7 @@ int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
<< PAGE_SHIFT);
int ret;
- if (len < 1 || (offset + len) >> PAGE_SHIFT > bo->num_pages)
+ if (len < 1 || (offset + len) >> PAGE_SHIFT > bo->mem.num_pages)
return -EIO;
ret = ttm_bo_reserve(bo, true, false, NULL);
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 77ba784425dd..7f75a13163f0 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -129,7 +129,7 @@ static void ttm_tt_init_fields(struct ttm_tt *ttm,
uint32_t page_flags,
enum ttm_caching caching)
{
- ttm->num_pages = bo->num_pages;
+ ttm->num_pages = PAGE_ALIGN(bo->base.size) >> PAGE_SHIFT;
ttm->caching = ttm_cached;
ttm->page_flags = page_flags;
ttm->dma_address = NULL;