Mesa (master): winsys/radeon: allow unaligned size for user-memory buffers

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 064847122a4c6dae6fdee41a4862948352cd929f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=064847122a4c6dae6fdee41a4862948352cd929f

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Tue Feb 10 22:27:21 2015 +0100

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 at amd.com>

---

 src/gallium/winsys/radeon/drm/radeon_drm_bo.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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
--- 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;