winsys/radeon: allow unaligned size for user-memory buffers

This is not required, but being user-friendly doesn't hurt.

Reviewed-by: Christian König <christian.koenig@amd.com>

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 8f4b135..e3b2c22 100644 (file)
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -883,7 +883,7 @@ static struct pb_buffer *radeon_winsys_bo_from_ptr(struct radeon_winsys *rws,
 
     memset(&args, 0, sizeof(args));
     args.addr = (uintptr_t)pointer;
-    args.size = size;
+    args.size = align(size, sysconf(_SC_PAGE_SIZE));
     args.flags = RADEON_GEM_USERPTR_ANONONLY |
         RADEON_GEM_USERPTR_VALIDATE |
         RADEON_GEM_USERPTR_REGISTER;