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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2026-04-27 10:26:49 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2026-04-27 10:26:49 +0200 |
| commit | 0fc8f6200d2313278fbf4539bbab74677c685531 (patch) | |
| tree | 35f839d8e2244e0575cbdf60e8505048b5424885 /include/linux/dma-buf.h | |
| parent | d13e855ee923c2ae78307bf6c354305f1406b9e2 (diff) | |
| parent | 254f49634ee16a731174d2ae34bc50bd5f45e731 (diff) | |
Merge drm/drm-fixes into drm-misc-fixes
Getting fixes and updates from v7.1-rc1.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/dma-buf.h')
| -rw-r--r-- | include/linux/dma-buf.h | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index ef6d93fd7a2c..d1203da56fc5 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -407,7 +407,7 @@ struct dma_buf { * through the device. * * - Dynamic importers should set fences for any access that they can't - * disable immediately from their &dma_buf_attach_ops.move_notify + * disable immediately from their &dma_buf_attach_ops.invalidate_mappings * callback. * * IMPORTANT: @@ -446,7 +446,7 @@ struct dma_buf_attach_ops { bool allow_peer2peer; /** - * @move_notify: [optional] notification that the DMA-buf is moving + * @invalidate_mappings: [optional] notification that the DMA-buf is moving * * If this callback is provided the framework can avoid pinning the * backing store while mappings exists. @@ -456,14 +456,10 @@ struct dma_buf_attach_ops { * called with this lock held as well. This makes sure that no mapping * is created concurrently with an ongoing move operation. * - * Mappings stay valid and are not directly affected by this callback. - * But the DMA-buf can now be in a different physical location, so all - * mappings should be destroyed and re-created as soon as possible. - * - * New mappings can be created after this callback returns, and will - * point to the new location of the DMA-buf. + * See the kdoc for dma_buf_invalidate_mappings() for details on the + * required behavior. */ - void (*move_notify)(struct dma_buf_attachment *attach); + void (*invalidate_mappings)(struct dma_buf_attachment *attach); }; /** @@ -578,7 +574,8 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *, enum dma_data_direction); void dma_buf_unmap_attachment(struct dma_buf_attachment *, struct sg_table *, enum dma_data_direction); -void dma_buf_move_notify(struct dma_buf *dma_buf); +void dma_buf_invalidate_mappings(struct dma_buf *dma_buf); +bool dma_buf_attach_revocable(struct dma_buf_attachment *attach); int dma_buf_begin_cpu_access(struct dma_buf *dma_buf, enum dma_data_direction dir); int dma_buf_end_cpu_access(struct dma_buf *dma_buf, |