Adds ability to pass sync file based prefences and get back sync file based postfences during job submission. Both fence fd's are passed in the `fence` field. A new `flags` field is used to specify if the prefence should be waited or a postfence created.
Signed-off-by: Mikko Perttunen mperttunen@nvidia.com --- include/uapi/drm/tegra_drm.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/uapi/drm/tegra_drm.h b/include/uapi/drm/tegra_drm.h index d954f8c33321..b85689c15d8f 100644 --- a/include/uapi/drm/tegra_drm.h +++ b/include/uapi/drm/tegra_drm.h @@ -117,6 +117,9 @@ struct drm_tegra_waitchk { __u32 thresh; };
+#define DRM_TEGRA_SUBMIT_WAIT_FENCE_FD (1 << 0) +#define DRM_TEGRA_SUBMIT_CREATE_FENCE_FD (1 << 1) + struct drm_tegra_submit { __u64 context; __u32 num_syncpts; @@ -129,9 +132,10 @@ struct drm_tegra_submit { __u64 cmdbufs; __u64 relocs; __u64 waitchks; - __u32 fence; /* Return value */ + __u32 fence; + __u32 flags;
- __u32 reserved[5]; /* future expansion */ + __u32 reserved[4]; /* future expansion */ };
#define DRM_TEGRA_GEM_TILING_MODE_PITCH 0