summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2022-10-25 11:42:01 +1000
committerDave Airlie <airlied@redhat.com>2022-10-25 11:42:18 +1000
commitb837d3db9a37bb07c845f4e69c34640a5d05ae22 (patch)
treebff49a67a8f48f1432feeadea5e92cc5cc285cba /include/linux
parent247f34f7b80357943234f93f247a1ae6b6c3a740 (diff)
parent7c99616e3fe7f35fe25bf6f5797267da29b4751e (diff)
Merge tag 'drm-misc-next-2022-10-20' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 6.2: UAPI Changes: - Documentation for page-flip flags Cross-subsystem Changes: - dma-buf: Add unlocked variant of vmapping and attachment-mapping functions Core Changes: - atomic-helpers: CRTC primary plane test fixes - connector: TV API consistency improvements, cmdline parsing improvements - crtc-helpers: Introduce drm_crtc_helper_atomic_check() helper - edid: Fixes for HFVSDB parsing, - fourcc: Addition of the Vivante tiled modifier - makefile: Sort and reorganize the objects files - mode_config: Remove fb_base from drm_mode_config_funcs - sched: Add a module parameter to change the scheduling policy, refcounting fix for fences - tests: Sort the Kunit tests in the Makefile, improvements to the DP-MST tests - ttm: Remove unnecessary drm_mm_clean() call Driver Changes: - New driver: ofdrm - Move all drivers to a common dma-buf locking convention - bridge: - adv7533: Remove dynamic lane switching - it6505: Runtime PM support - ps8640: Handle AUX defer messages - tc358775: Drop soft-reset over I2C - ast: Atomic Gamma LUT Support, Convert to SHMEM, various improvements - lcdif: Support for YUV planes - mgag200: Fix PLL Setup on some revisions - udl: Modesetting improvements, hot-unplug support - vc4: Fix support for PAL-M Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20221020072405.g3o4hxuk75gmeumw@houat
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/dma-buf.h17
1 files changed, 8 insertions, 9 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 71731796c8c3..6fa8d4e29719 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -327,15 +327,6 @@ struct dma_buf {
const struct dma_buf_ops *ops;
/**
- * @lock:
- *
- * Used internally to serialize list manipulation, attach/detach and
- * vmap/unmap. Note that in many cases this is superseeded by
- * dma_resv_lock() on @resv.
- */
- struct mutex lock;
-
- /**
* @vmapping_counter:
*
* Used internally to refcnt the vmaps returned by dma_buf_vmap().
@@ -627,9 +618,17 @@ 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,
enum dma_data_direction dir);
+struct sg_table *
+dma_buf_map_attachment_unlocked(struct dma_buf_attachment *attach,
+ enum dma_data_direction direction);
+void dma_buf_unmap_attachment_unlocked(struct dma_buf_attachment *attach,
+ struct sg_table *sg_table,
+ enum dma_data_direction direction);
int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *,
unsigned long);
int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map);
void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map);
+int dma_buf_vmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map);
+void dma_buf_vunmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map);
#endif /* __DMA_BUF_H__ */