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authorDave Airlie2017-08-29 10:38:14 +1000
committerDave Airlie2017-08-29 10:38:14 +1000
commit7846b12fe0b5feab5446d892f41b5140c1419109 (patch)
treed507942842bbc7b6aa6be3cc77b2c2c05f004a6a /include
parent7ebdb0dd52404907b8eac2bab476b43a8b8aa9f1 (diff)
parentd78acfe934e3b9f533f72ee3dde0982935fc2b32 (diff)
Merge branch 'drm-vmwgfx-next' of git://people.freedesktop.org/~syeh/repos_linux into drm-next
vmwgfx add fence fd support. * 'drm-vmwgfx-next' of git://people.freedesktop.org/~syeh/repos_linux: drm/vmwgfx: Bump the version for fence FD support drm/vmwgfx: Add export fence to file descriptor support drm/vmwgfx: Add support for imported Fence File Descriptor drm/vmwgfx: Prepare to support fence fd drm/vmwgfx: Fix incorrect command header offset at restart drm/vmwgfx: Support the NOP_ERROR command drm/vmwgfx: Restart command buffers after errors drm/vmwgfx: Move irq bottom half processing to threads drm/vmwgfx: Don't use drm_irq_[un]install
Diffstat (limited to 'include')
-rw-r--r--include/uapi/drm/vmwgfx_drm.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index d9dfde9aa757..0bc784f5e0db 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -297,13 +297,17 @@ union drm_vmw_surface_reference_arg {
* @version: Allows expanding the execbuf ioctl parameters without breaking
* backwards compatibility, since user-space will always tell the kernel
* which version it uses.
- * @flags: Execbuf flags. None currently.
+ * @flags: Execbuf flags.
+ * @imported_fence_fd: FD for a fence imported from another device
*
* Argument to the DRM_VMW_EXECBUF Ioctl.
*/
#define DRM_VMW_EXECBUF_VERSION 2
+#define DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD (1 << 0)
+#define DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD (1 << 1)
+
struct drm_vmw_execbuf_arg {
__u64 commands;
__u32 command_size;
@@ -312,7 +316,7 @@ struct drm_vmw_execbuf_arg {
__u32 version;
__u32 flags;
__u32 context_handle;
- __u32 pad64;
+ __s32 imported_fence_fd;
};
/**
@@ -328,6 +332,7 @@ struct drm_vmw_execbuf_arg {
* @passed_seqno: The highest seqno number processed by the hardware
* so far. This can be used to mark user-space fence objects as signaled, and
* to determine whether a fence seqno might be stale.
+ * @fd: FD associated with the fence, -1 if not exported
* @error: This member should've been set to -EFAULT on submission.
* The following actions should be take on completion:
* error == -EFAULT: Fence communication failed. The host is synchronized.
@@ -345,7 +350,7 @@ struct drm_vmw_fence_rep {
__u32 mask;
__u32 seqno;
__u32 passed_seqno;
- __u32 pad64;
+ __s32 fd;
__s32 error;
};