diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2017-04-21 00:33:58 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2017-06-02 10:57:08 +0300 |
| commit | 97817fd46518aa2f457ce41f6a9aecd36b461426 (patch) | |
| tree | 5c5daa64ada96ac4be65b2e190168935d61eb973 /drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | |
| parent | 930dc19c0b7278c26c85f05f92cb417f2bd28aa3 (diff) | |
| download | linux-97817fd46518aa2f457ce41f6a9aecd36b461426.tar.xz | |
drm: omapdrm: Map pages for DMA in DMA_TO_DEVICE direction
The display engine only reads from memory, there's no need to use
bidirectional DMA mappings. Use DMA_TO_DEVICE instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index a2b91368c0b7..6ab6f52fe31b 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -210,7 +210,7 @@ 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 +227,7 @@ 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); |