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drm/msm: submit support for in-fences

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Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark
2016-06-16 16:08:19 -04:00
parent d9c181e22a
commit f0a42bb542
3 changed files with 39 additions and 5 deletions
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9
include/uapi/drm/msm_drm.h
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@@ -185,8 +185,12 @@ struct drm_msm_gem_submit_bo {
};
/* Valid submit ioctl flags: */
/* to start, nothing.. */
#define MSM_SUBMIT_FLAGS 0
#define MSM_SUBMIT_NO_IMPLICIT 0x80000000 /* disable implicit sync */
#define MSM_SUBMIT_FENCE_FD_IN 0x40000000 /* enable input fence_fd */
#define MSM_SUBMIT_FLAGS ( \
MSM_SUBMIT_NO_IMPLICIT | \
MSM_SUBMIT_FENCE_FD_IN | \
0)
/* Each cmdstream submit consists of a table of buffers involved, and
* one or more cmdstream buffers. This allows for conditional execution
@@ -199,6 +203,7 @@ struct drm_msm_gem_submit {
__u32 nr_cmds; /* in, number of submit_cmd's */
__u64 __user bos; /* in, ptr to array of submit_bo's */
__u64 __user cmds; /* in, ptr to array of submit_cmd's */
__s32 fence_fd; /* in/out fence fd (see MSM_SUBMIT_FENCE_FD_IN) */
};
/* The normal way to synchronize with the GPU is just to CPU_PREP on