- .name = "i915",
- .init = gbm_i915_init,
- .close = gbm_i915_close,
- .bo_create = gbm_i915_bo_create,
- .bo_destroy = gbm_gem_bo_destroy,
- .format_list = {
- {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_XBGR8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_ABGR8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_XRGB1555, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_ARGB1555, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_RGB565, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
+ free(drv->priv);
+ drv->priv = NULL;
+}
+
+static int i915_bo_import(struct bo *bo, struct drv_import_fd_data *data)
+{
+ int ret;
+ struct drm_i915_gem_get_tiling gem_get_tiling;
+
+ ret = drv_prime_bo_import(bo, data);
+ if (ret)
+ return ret;
+
+ /* TODO(gsingh): export modifiers and get rid of backdoor tiling. */
+ memset(&gem_get_tiling, 0, sizeof(gem_get_tiling));
+ gem_get_tiling.handle = bo->handles[0].u32;
+
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_I915_GEM_GET_TILING, &gem_get_tiling);
+ if (ret) {
+ 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));
+
+ 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");
+ return MAP_FAILED;
+ }
+
+ data->length = bo->total_size;
+ return addr;
+}
+
+static int i915_bo_unmap(struct bo *bo, struct map_info *data)
+{
+ struct i915_device *i915 = bo->drv->priv;
+ if (!i915->has_llc && bo->tiling == I915_TILING_NONE)
+ i915_clflush(data->addr, data->length);
+
+ return munmap(data->addr, data->length);
+}
+
+static uint32_t i915_resolve_format(uint32_t format, uint64_t usage)
+{
+ switch (format) {
+ case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+ /* KBL camera subsystem requires NV12. */
+ if (usage & (BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE))
+ return DRM_FORMAT_NV12;
+ /*HACK: See b/28671744 */
+ return DRM_FORMAT_XBGR8888;
+ case DRM_FORMAT_FLEX_YCbCr_420_888:
+ /* KBL camera subsystem requires NV12. */
+ if (usage & (BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE))
+ return DRM_FORMAT_NV12;
+ return DRM_FORMAT_YVU420;
+ default:
+ return format;