GEM defines DRM_FILE_PAGE_OFFSET_{START,SIZE} constants for the
mmap-able range of addresses. TTM can use them as well.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/drm_gem.c | 17 -----------------
drivers/gpu/drm/ttm/ttm_bo.c | 4 ++--
drivers/gpu/drm/ttm/ttm_bo_vm.c | 2 +-
include/drm/drm_vma_manager.h | 12 ++++++++++++
include/drm/ttm/ttm_bo_driver.h | 2 --
5 files changed, 15 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index d0b9f6a9953f..ea988509ae8f 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -72,23 +72,6 @@
* up at a later date, and as our interface with shmfs for memory allocation.
*/
-/*
- * We make up offsets for buffer objects so we can recognize them at
- * mmap time.
- */
-
-/* pgoff in mmap is an unsigned long, so we need to make sure that
- * the faked up offset will fit
- */
-
-#if BITS_PER_LONG == 64
-#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1)
-#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16)
-#else
-#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFUL >> PAGE_SHIFT) + 1)
-#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFUL >> PAGE_SHIFT) * 16)
-#endif
-
/**
* drm_gem_init - Initialize the GEM device fields
* @dev: drm_devic structure to initialize
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index e1b65775f3ee..988416fb8a0b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1646,8 +1646,8 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
goto out_no_sys;
drm_vma_offset_manager_init(&bdev->vma_manager,
- DRM_FILE_PAGE_OFFSET,
- 0x10000000);
+ DRM_FILE_PAGE_OFFSET_START,
+ DRM_FILE_PAGE_OFFSET_SIZE);
INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue);
INIT_LIST_HEAD(&bdev->ddestroy);
bdev->dev_mapping = mapping;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index e94c2ab3718a..6dacff49c1cc 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -432,7 +432,7 @@ int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
struct ttm_buffer_object *bo;
int ret;
- if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
+ if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET_START))
return -EINVAL;
bo = ttm_bo_vm_lookup(bdev, vma->vm_pgoff, vma_pages(vma));
diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h
index c7987daeaed0..f4f8ff1cdeec 100644
--- a/include/drm/drm_vma_manager.h
+++ b/include/drm/drm_vma_manager.h
@@ -29,6 +29,18 @@
#include <linux/spinlock.h>
#include <linux/types.h>
+/* We make up offsets for buffer objects so we can recognize them at
+ * mmap time. pgoff in mmap is an unsigned long, so we need to make sure
+ * that the faked up offset will fit
+ */
+#if BITS_PER_LONG == 64
+#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1)
+#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16)
+#else
+#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFUL >> PAGE_SHIFT) + 1)
+#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFUL >> PAGE_SHIFT) * 16)
+#endif
+
struct drm_file;
struct drm_vma_offset_file {
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index ff0ec43fce7f..61b80ec78e80 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -49,8 +49,6 @@
#define TTM_MEMTYPE_FLAG_MAPPABLE (1 << 1) /* Memory mappable */
#define TTM_MEMTYPE_FLAG_CMA (1 << 3) /* Can't map aperture */
-#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
-
struct ttm_mem_type_manager;
struct ttm_mem_type_manager_func {
--
2.20.1
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