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| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-17 20:22:25 +0300 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-18 01:21:51 +0300 |
| commit | 47e982d5195d76c621d21d2f1911159175d0839e (patch) | |
| tree | befb288894bf8ce9e567cec9612b4a6a68bcf241 /drivers/dma-buf | |
| parent | 809d9c72c2f83ef7225379908e125eb4b662232c (diff) | |
| download | linux-47e982d5195d76c621d21d2f1911159175d0839e.tar.gz linux-47e982d5195d76c621d21d2f1911159175d0839e.tar.bz2 linux-47e982d5195d76c621d21d2f1911159175d0839e.zip | |
dma-buf: Move dma_buf_map_attachment() to dynamic locking specification
Move dma-buf attachment mapping functions to the dynamic locking
specification by asserting that the reservation lock is held.
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-18-dmitry.osipenko@collabora.com
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/dma-buf.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index d685a5adb122..f54c649f922a 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -1038,8 +1038,7 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach, if (WARN_ON(!attach || !attach->dmabuf)) return ERR_PTR(-EINVAL); - if (dma_buf_attachment_is_dynamic(attach)) - dma_resv_assert_held(attach->dmabuf->resv); + dma_resv_assert_held(attach->dmabuf->resv); if (attach->sgt) { /* @@ -1054,7 +1053,6 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach, } if (dma_buf_is_dynamic(attach->dmabuf)) { - dma_resv_assert_held(attach->dmabuf->resv); if (!IS_ENABLED(CONFIG_DMABUF_MOVE_NOTIFY)) { r = attach->dmabuf->ops->pin(attach); if (r) @@ -1143,15 +1141,11 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment *attach, if (WARN_ON(!attach || !attach->dmabuf || !sg_table)) return; - if (dma_buf_attachment_is_dynamic(attach)) - dma_resv_assert_held(attach->dmabuf->resv); + dma_resv_assert_held(attach->dmabuf->resv); if (attach->sgt == sg_table) return; - if (dma_buf_is_dynamic(attach->dmabuf)) - dma_resv_assert_held(attach->dmabuf->resv); - __unmap_dma_buf(attach, sg_table, direction); if (dma_buf_is_dynamic(attach->dmabuf) && |