X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fvmwgfx%2Fvmwgfx_resource.c;h=36e129f0023ffc3d6407b9c0251376aa3fc9f5c0;hb=e91db5cd6f2203ef2a93ce8770f2728e9107c4f7;hp=c8c40e9979dbd21442a5d87cf6ac4cdcad08cfad;hpb=9e5fca251f44832cb996961048ea977f80faf6ea;p=karo-tx-linux.git diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index c8c40e9979db..36e129f0023f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -765,28 +765,11 @@ static size_t vmw_dmabuf_acc_size(struct ttm_bo_global *glob, return bo_user_size + page_array_size; } -void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo) -{ - struct vmw_dma_buffer *vmw_bo = vmw_dma_buffer(bo); - struct ttm_bo_global *glob = bo->glob; - struct vmw_private *dev_priv = - container_of(bo->bdev, struct vmw_private, bdev); - - if (vmw_bo->gmr_bound) { - vmw_gmr_unbind(dev_priv, vmw_bo->gmr_id); - spin_lock(&glob->lru_lock); - ida_remove(&dev_priv->gmr_ida, vmw_bo->gmr_id); - spin_unlock(&glob->lru_lock); - vmw_bo->gmr_bound = false; - } -} - void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo) { struct vmw_dma_buffer *vmw_bo = vmw_dma_buffer(bo); struct ttm_bo_global *glob = bo->glob; - vmw_dmabuf_gmr_unbind(bo); ttm_mem_global_free(glob->mem_glob, bo->acc_size); kfree(vmw_bo); } @@ -818,10 +801,7 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv, memset(vmw_bo, 0, sizeof(*vmw_bo)); - INIT_LIST_HEAD(&vmw_bo->gmr_lru); INIT_LIST_HEAD(&vmw_bo->validate_list); - vmw_bo->gmr_id = 0; - vmw_bo->gmr_bound = false; ret = ttm_bo_init(bdev, &vmw_bo->base, size, ttm_bo_type_device, placement, @@ -835,7 +815,6 @@ static void vmw_user_dmabuf_destroy(struct ttm_buffer_object *bo) struct vmw_user_dma_buffer *vmw_user_bo = vmw_user_dma_buffer(bo); struct ttm_bo_global *glob = bo->glob; - vmw_dmabuf_gmr_unbind(bo); ttm_mem_global_free(glob->mem_glob, bo->acc_size); kfree(vmw_user_bo); } @@ -938,25 +917,6 @@ void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo) vmw_bo->on_validate_list = false; } -uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo) -{ - struct vmw_dma_buffer *vmw_bo; - - if (bo->mem.mem_type == TTM_PL_VRAM) - return SVGA_GMR_FRAMEBUFFER; - - vmw_bo = vmw_dma_buffer(bo); - - return (vmw_bo->gmr_bound) ? vmw_bo->gmr_id : SVGA_GMR_NULL; -} - -void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id) -{ - struct vmw_dma_buffer *vmw_bo = vmw_dma_buffer(bo); - vmw_bo->gmr_bound = true; - vmw_bo->gmr_id = id; -} - int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, uint32_t handle, struct vmw_dma_buffer **out) { @@ -985,41 +945,6 @@ int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, return 0; } -/** - * TODO: Implement a gmr id eviction mechanism. Currently we just fail - * when we're out of ids, causing GMR space to be allocated - * out of VRAM. - */ - -int vmw_gmr_id_alloc(struct vmw_private *dev_priv, uint32_t *p_id) -{ - struct ttm_bo_global *glob = dev_priv->bdev.glob; - int id; - int ret; - - do { - if (unlikely(ida_pre_get(&dev_priv->gmr_ida, GFP_KERNEL) == 0)) - return -ENOMEM; - - spin_lock(&glob->lru_lock); - ret = ida_get_new(&dev_priv->gmr_ida, &id); - spin_unlock(&glob->lru_lock); - } while (ret == -EAGAIN); - - if (unlikely(ret != 0)) - return ret; - - if (unlikely(id >= dev_priv->max_gmr_ids)) { - spin_lock(&glob->lru_lock); - ida_remove(&dev_priv->gmr_ida, id); - spin_unlock(&glob->lru_lock); - return -EBUSY; - } - - *p_id = (uint32_t) id; - return 0; -} - /* * Stream management */