diff options
| -rw-r--r-- | tegra/tegra.c | 51 | ||||
| -rw-r--r-- | tegra/tegra.h | 10 |
2 files changed, 61 insertions, 0 deletions
diff --git a/tegra/tegra.c b/tegra/tegra.c index 614ab965..f8d40786 100644 --- a/tegra/tegra.c +++ b/tegra/tegra.c @@ -292,3 +292,54 @@ int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags) return 0; } + +drm_public +int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo, + struct drm_tegra_bo_tiling *tiling) +{ + struct drm_tegra_gem_get_tiling args; + struct drm_tegra *drm = bo->drm; + int err; + + if (!bo) + return -EINVAL; + + memset(&args, 0, sizeof(args)); + args.handle = bo->handle; + + err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_GET_TILING, &args, + sizeof(args)); + if (err < 0) + return -errno; + + if (tiling) { + tiling->mode = args.mode; + tiling->value = args.value; + } + + return 0; +} + +drm_public +int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo, + const struct drm_tegra_bo_tiling *tiling) +{ + struct drm_tegra_gem_set_tiling args; + struct drm_tegra *drm = bo->drm; + int err; + + if (!bo) + return -EINVAL; + + memset(&args, 0, sizeof(args)); + args.handle = bo->handle; + args.mode = tiling->mode; + args.value = tiling->value; + + err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_TILING, &args, + sizeof(args)); + if (err < 0) + return -errno; + + return 0; +} diff --git a/tegra/tegra.h b/tegra/tegra.h index a8624180..31b0995a 100644 --- a/tegra/tegra.h +++ b/tegra/tegra.h @@ -47,4 +47,14 @@ int drm_tegra_bo_unmap(struct drm_tegra_bo *bo); int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags); int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags); +struct drm_tegra_bo_tiling { + uint32_t mode; + uint32_t value; +}; + +int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo, + struct drm_tegra_bo_tiling *tiling); +int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo, + const struct drm_tegra_bo_tiling *tiling); + #endif /* __DRM_TEGRA_H__ */ |