diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c index 5f8908a5d7f..de0c5948521 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c @@ -146,7 +146,7 @@ static void vmw_gmr_fire_descriptors(struct vmw_private *dev_priv, */ static unsigned long vmw_gmr_count_descriptors(struct page *pages[], - unsigned long num_pages) + unsigned long num_pages) { unsigned long prev_pfn = ~(0UL); unsigned long pfn; @@ -163,45 +163,33 @@ static unsigned long vmw_gmr_count_descriptors(struct page *pages[], } int vmw_gmr_bind(struct vmw_private *dev_priv, - struct ttm_buffer_object *bo) + struct page *pages[], + unsigned long num_pages, + int gmr_id) { - struct ttm_tt *ttm = bo->ttm; - unsigned long descriptors; - int ret; - uint32_t id; struct list_head desc_pages; + int ret; - if (!(dev_priv->capabilities & SVGA_CAP_GMR)) + if (unlikely(!(dev_priv->capabilities & SVGA_CAP_GMR))) return -EINVAL; - ret = ttm_tt_populate(ttm); - if (unlikely(ret != 0)) - return ret; - - descriptors = vmw_gmr_count_descriptors(ttm->pages, ttm->num_pages); - if (unlikely(descriptors > dev_priv->max_gmr_descriptors)) + if (vmw_gmr_count_descriptors(pages, num_pages) > + dev_priv->max_gmr_descriptors) return -EINVAL; INIT_LIST_HEAD(&desc_pages); - ret = vmw_gmr_build_descriptors(&desc_pages, ttm->pages, - ttm->num_pages); - if (unlikely(ret != 0)) - return ret; - ret = vmw_gmr_id_alloc(dev_priv, &id); + ret = vmw_gmr_build_descriptors(&desc_pages, pages, num_pages); if (unlikely(ret != 0)) - goto out_no_id; + return ret; - vmw_gmr_fire_descriptors(dev_priv, id, &desc_pages); + vmw_gmr_fire_descriptors(dev_priv, gmr_id, &desc_pages); vmw_gmr_free_descriptors(&desc_pages); - vmw_dmabuf_set_gmr(bo, id); - return 0; -out_no_id: - vmw_gmr_free_descriptors(&desc_pages); - return ret; + return 0; } + void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id) { mutex_lock(&dev_priv->hw_mutex); |