diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c index 825ebe3d89d..f3558968fdf 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c @@ -153,8 +153,7 @@ int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, man->gpu_offset = 0; man->io_offset = dev_priv->vram_start; man->io_size = dev_priv->vram_size; - man->flags = TTM_MEMTYPE_FLAG_FIXED | - TTM_MEMTYPE_FLAG_NEEDS_IOREMAP | TTM_MEMTYPE_FLAG_MAPPABLE; + man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE; man->io_addr = NULL; man->available_caching = TTM_PL_MASK_CACHING; man->default_caching = TTM_PL_FLAG_WC; @@ -193,6 +192,42 @@ static void vmw_swap_notify(struct ttm_buffer_object *bo) vmw_dmabuf_gmr_unbind(bo); } +static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) +{ + struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; + struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev); + + mem->bus.addr = NULL; + mem->bus.is_iomem = false; + mem->bus.offset = 0; + mem->bus.size = mem->num_pages << PAGE_SHIFT; + mem->bus.base = 0; + if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE)) + return -EINVAL; + switch (mem->mem_type) { + case TTM_PL_SYSTEM: + /* System memory */ + return 0; + case TTM_PL_VRAM: + mem->bus.offset = mem->mm_node->start << PAGE_SHIFT; + mem->bus.base = dev_priv->vram_start; + mem->bus.is_iomem = true; + break; + default: + return -EINVAL; + } + return 0; +} + +static void vmw_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) +{ +} + +static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) +{ + return 0; +} + /** * FIXME: We're using the old vmware polling method to sync. * Do this with fences instead. @@ -248,5 +283,8 @@ struct ttm_bo_driver vmw_bo_driver = { .sync_obj_unref = vmw_sync_obj_unref, .sync_obj_ref = vmw_sync_obj_ref, .move_notify = vmw_move_notify, - .swap_notify = vmw_swap_notify + .swap_notify = vmw_swap_notify, + .fault_reserve_notify = &vmw_ttm_fault_reserve_notify, + .io_mem_reserve = &vmw_ttm_io_mem_reserve, + .io_mem_free = &vmw_ttm_io_mem_free, }; |