{
struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
struct drm_mm_node *mm_node = mem->mm_node;
+ size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
case TTM_PL_VRAM:
mem->bus.offset = mem->start << PAGE_SHIFT;
/* check if it's visible */
- if ((mem->bus.offset + mem->bus.size) > adev->gmc.visible_vram_size)
+ if ((mem->bus.offset + bus_size) > adev->gmc.visible_vram_size)
return -EINVAL;
/* Only physically contiguous buffers apply. In a contiguous
* buffer, size of the first mm_node would match the number of
static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem)
{
struct radeon_device *rdev = radeon_get_rdev(bdev);
+ size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
case TTM_PL_VRAM:
mem->bus.offset = mem->start << PAGE_SHIFT;
/* check if it's visible */
- if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
+ if ((mem->bus.offset + bus_size) > rdev->mc.visible_vram_size)
return -EINVAL;
mem->bus.base = rdev->mc.aper_base;
mem->bus.is_iomem = true;
if (mem->placement & TTM_PL_FLAG_WC)
mem->bus.addr =
ioremap_wc(mem->bus.base + mem->bus.offset,
- mem->bus.size);
+ bus_size);
else
mem->bus.addr =
ioremap(mem->bus.base + mem->bus.offset,
- mem->bus.size);
+ bus_size);
if (!mem->bus.addr)
return -ENOMEM;
mem->bus.addr = NULL;
mem->bus.offset = 0;
- mem->bus.size = mem->num_pages << PAGE_SHIFT;
mem->bus.base = 0;
mem->bus.is_iomem = false;
retry:
if (mem->bus.addr) {
addr = mem->bus.addr;
} else {
+ size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT;
+
if (mem->placement & TTM_PL_FLAG_WC)
addr = ioremap_wc(mem->bus.base + mem->bus.offset,
- mem->bus.size);
+ bus_size);
else
addr = ioremap(mem->bus.base + mem->bus.offset,
- mem->bus.size);
+ bus_size);
if (!addr) {
(void) ttm_mem_io_lock(man, false);
ttm_mem_io_free(bdev, mem);
* @addr: mapped virtual address
* @base: bus base address
* @is_iomem: is this io memory ?
- * @size: size in byte
* @offset: offset from the base address
* @io_reserved_vm: The VM system has a refcount in @io_reserved_count
* @io_reserved_count: Refcounting the numbers of callers to ttm_mem_io_reserve
struct ttm_bus_placement {
void *addr;
phys_addr_t base;
- unsigned long size;
unsigned long offset;
bool is_iomem;
bool io_reserved_vm;