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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c7
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c7
3 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 924c19ce3f5a..fc5f7ac53d0a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -751,6 +751,7 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso
{
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:
@@ -761,7 +762,7 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso
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
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 8ca2253f6fbf..3a4372ea74b9 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -362,6 +362,7 @@ memcpy:
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:
@@ -380,7 +381,7 @@ static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso
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;
@@ -392,11 +393,11 @@ static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_reso
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;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index eaed29b81d9e..ee04716b2603 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -140,7 +140,6 @@ int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
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:
@@ -214,12 +213,14 @@ static int ttm_resource_ioremap(struct ttm_bo_device *bdev,
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);