From: Thierry Reding treding@nvidia.com
Store 64-bit offset values and use libdrm's built-in drm_mmap() function instead of mmap() to ensure the full 64-bit offset is used.
Signed-off-by: Thierry Reding treding@nvidia.com --- tegra/private.h | 2 +- tegra/tegra.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/tegra/private.h b/tegra/private.h index 215dd3309bce..d0f2944bfb3a 100644 --- a/tegra/private.h +++ b/tegra/private.h @@ -41,7 +41,7 @@ struct drm_tegra { struct drm_tegra_bo { struct drm_tegra *drm; uint32_t handle; - uint32_t offset; + uint64_t offset; uint32_t flags; uint32_t size; atomic_t ref; diff --git a/tegra/tegra.c b/tegra/tegra.c index bf8e5c9213ca..5225ad052fb3 100644 --- a/tegra/tegra.c +++ b/tegra/tegra.c @@ -215,8 +215,8 @@ drm_public int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr)
bo->offset = args.offset;
- bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED, - drm->fd, bo->offset); + bo->map = drm_mmap(NULL, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED, + drm->fd, bo->offset); if (bo->map == MAP_FAILED) { bo->map = NULL; return -errno;