[PATCH] drm: increase drm mmap_range size to 1TB

Yang, Philip Philip.Yang at amd.com
Wed Apr 17 22:15:19 UTC 2019


After patch "drm: Use the same mmap-range offset and size for GEM and
TTM", application failed to create bo of system memory because drm
mmap_range size decrease to 64GB from original 1TB. This is not big
enough for applications. Increase the drm mmap_range size to 1TB.

Change-Id: Id482af261f56f3289e8873f5985078da599a0998
Signed-off-by: Philip Yang <Philip.Yang at amd.com>
---
 include/drm/drm_vma_manager.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h
index f4f8ff1cdeec..76ac5e97a559 100644
--- a/include/drm/drm_vma_manager.h
+++ b/include/drm/drm_vma_manager.h
@@ -35,7 +35,7 @@
  */
 #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)
+#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 256)
 #else
 #define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFUL >> PAGE_SHIFT) + 1)
 #define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFUL >> PAGE_SHIFT) * 16)
-- 
2.17.1



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