diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index 0dbe0306953d..863a881dd7cd 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -31,7 +31,7 @@ static struct sg_table *omap_gem_map_dma_buf( { struct drm_gem_object *obj = attachment->dmabuf->priv; struct sg_table *sg; - dma_addr_t paddr; + dma_addr_t dma_addr; int ret; sg = kzalloc(sizeof(*sg), GFP_KERNEL); @@ -41,7 +41,7 @@ static struct sg_table *omap_gem_map_dma_buf( /* camera, etc, need physically contiguous.. but we need a * better way to know this.. */ - ret = omap_gem_get_paddr(obj, &paddr, true); + ret = omap_gem_pin(obj, &dma_addr); if (ret) goto out; @@ -51,11 +51,11 @@ static struct sg_table *omap_gem_map_dma_buf( sg_init_table(sg->sgl, 1); sg_dma_len(sg->sgl) = obj->size; - sg_set_page(sg->sgl, pfn_to_page(PFN_DOWN(paddr)), obj->size, 0); - sg_dma_address(sg->sgl) = paddr; + sg_set_page(sg->sgl, pfn_to_page(PFN_DOWN(dma_addr)), obj->size, 0); + sg_dma_address(sg->sgl) = dma_addr; - /* this should be after _get_paddr() to ensure we have pages attached */ - omap_gem_dma_sync(obj, dir); + /* this must be after omap_gem_pin() to ensure we have pages attached */ + omap_gem_dma_sync_buffer(obj, dir); return sg; out: @@ -67,21 +67,11 @@ static void omap_gem_unmap_dma_buf(struct dma_buf_attachment *attachment, struct sg_table *sg, enum dma_data_direction dir) { struct drm_gem_object *obj = attachment->dmabuf->priv; - omap_gem_put_paddr(obj); + omap_gem_unpin(obj); sg_free_table(sg); kfree(sg); } -static void omap_gem_dmabuf_release(struct dma_buf *buffer) -{ - struct drm_gem_object *obj = buffer->priv; - /* release reference that was taken when dmabuf was exported - * in omap_gem_prime_set().. - */ - drm_gem_object_unreference_unlocked(obj); -} - - static int omap_gem_dmabuf_begin_cpu_access(struct dma_buf *buffer, enum dma_data_direction dir) { @@ -112,7 +102,7 @@ static void *omap_gem_dmabuf_kmap_atomic(struct dma_buf *buffer, struct drm_gem_object *obj = buffer->priv; struct page **pages; omap_gem_get_pages(obj, &pages, false); - omap_gem_cpu_sync(obj, page_num); + omap_gem_cpu_sync_page(obj, page_num); return kmap_atomic(pages[page_num]); } @@ -128,7 +118,7 @@ static void *omap_gem_dmabuf_kmap(struct dma_buf *buffer, struct drm_gem_object *obj = buffer->priv; struct page **pages; omap_gem_get_pages(obj, &pages, false); - omap_gem_cpu_sync(obj, page_num); + omap_gem_cpu_sync_page(obj, page_num); return kmap(pages[page_num]); } @@ -157,7 +147,7 @@ static int omap_gem_dmabuf_mmap(struct dma_buf *buffer, static struct dma_buf_ops omap_dmabuf_ops = { .map_dma_buf = omap_gem_map_dma_buf, .unmap_dma_buf = omap_gem_unmap_dma_buf, - .release = omap_gem_dmabuf_release, + .release = drm_gem_dmabuf_release, .begin_cpu_access = omap_gem_dmabuf_begin_cpu_access, .end_cpu_access = omap_gem_dmabuf_end_cpu_access, .map_atomic = omap_gem_dmabuf_kmap_atomic, @@ -177,7 +167,7 @@ struct dma_buf *omap_gem_prime_export(struct drm_device *dev, exp_info.flags = flags; exp_info.priv = obj; - return dma_buf_export(&exp_info); + return drm_gem_dmabuf_export(dev, &exp_info); } /* ----------------------------------------------------------------------------- @@ -210,7 +200,7 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, get_dma_buf(dma_buf); - sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); + sgt = dma_buf_map_attachment(attach, DMA_TO_DEVICE); if (IS_ERR(sgt)) { ret = PTR_ERR(sgt); goto fail_detach; @@ -227,7 +217,7 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, return obj; fail_unmap: - dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL); + dma_buf_unmap_attachment(attach, sgt, DMA_TO_DEVICE); fail_detach: dma_buf_detach(dma_buf, attach); dma_buf_put(dma_buf); |