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

[Kuehling, Felix]

Adding dri-devel

On 2019-04-17 6:15 p.m., Yang, Philip wrote:
> 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)