+ drv_gem_bo_destroy(bo);
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GEM_GET_TILING failed.");
+ return ret;
+ }
+
+ bo->tiling = gem_get_tiling.tiling_mode;
+ return 0;
+}
+
+static void *i915_bo_map(struct bo *bo, struct map_info *data, size_t plane, int prot)
+{
+ int ret;
+ void *addr;
+ struct drm_i915_gem_set_domain set_domain;
+
+ memset(&set_domain, 0, sizeof(set_domain));
+ set_domain.handle = bo->handles[0].u32;
+ if (bo->tiling == I915_TILING_NONE) {
+ struct drm_i915_gem_mmap gem_map;
+ memset(&gem_map, 0, sizeof(gem_map));
+
+ if ((bo->flags & BO_USE_SCANOUT) && !(bo->flags & BO_USE_RENDERSCRIPT))
+ gem_map.flags = I915_MMAP_WC;
+
+ gem_map.handle = bo->handles[0].u32;
+ gem_map.offset = 0;
+ gem_map.size = bo->total_size;
+
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_I915_GEM_MMAP, &gem_map);
+ if (ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GEM_MMAP failed\n");
+ return MAP_FAILED;
+ }
+
+ addr = (void *)(uintptr_t)gem_map.addr_ptr;
+ set_domain.read_domains = I915_GEM_DOMAIN_CPU;
+ set_domain.write_domain = I915_GEM_DOMAIN_CPU;
+
+ } else {
+ struct drm_i915_gem_mmap_gtt gem_map;
+ memset(&gem_map, 0, sizeof(gem_map));
+
+ gem_map.handle = bo->handles[0].u32;
+
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &gem_map);
+ if (ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GEM_MMAP_GTT failed\n");
+ return MAP_FAILED;
+ }
+
+ addr = mmap(0, bo->total_size, prot, MAP_SHARED, bo->drv->fd, gem_map.offset);
+ set_domain.read_domains = I915_GEM_DOMAIN_GTT;
+ set_domain.write_domain = I915_GEM_DOMAIN_GTT;
+ }
+
+ if (addr == MAP_FAILED) {
+ fprintf(stderr, "drv: i915 GEM mmap failed\n");
+ return addr;
+ }
+
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, &set_domain);
+ if (ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GEM_SET_DOMAIN failed\n");