diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2017-04-03 08:29:34 -0600 |
|---|---|---|
| committer | Jordan Crouse <jcrouse@codeaurora.org> | 2017-04-26 10:17:55 -0600 |
| commit | f567fc12bf30e7ffff689dbd528dfa24216bc8f8 (patch) | |
| tree | e3ab274ee865f97e6967a3564eb9759ead89b4c0 /include/uapi | |
| parent | 048c70075fecb8f92d923fc5595efa00f2a00082 (diff) | |
drm/msm: Add explicit sync operations
Add sync operations to give the user more control
over the behavior of cached buffers.
Change-Id: Ic0dedbad67e19a6b30b2cc5f6b2c7bbe52c2b708
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/msm_drm.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index 8baf2bf6df2e..853bf9c88b62 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -312,6 +312,18 @@ struct drm_msm_counter_read { __u32 nr_ops; }; +#define MSM_GEM_SYNC_TO_DEV 0 +#define MSM_GEM_SYNC_TO_CPU 1 + +struct drm_msm_gem_syncop { + __u32 handle; + __u32 op; +}; + +struct drm_msm_gem_sync { + __u32 nr_ops; + __u64 __user ops; +}; #define DRM_MSM_GET_PARAM 0x00 /* placeholder: @@ -330,6 +342,7 @@ struct drm_msm_counter_read { #define DRM_MSM_COUNTER_GET 0x43 #define DRM_MSM_COUNTER_PUT 0x44 #define DRM_MSM_COUNTER_READ 0x45 +#define DRM_MSM_GEM_SYNC 0x46 /** * Currently DRM framework supports only VSYNC event. @@ -359,5 +372,6 @@ struct drm_msm_counter_read { #define DRM_IOCTL_MSM_COUNTER_READ \ DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_COUNTER_READ, \ struct drm_msm_counter_read) - +#define DRM_IOCTL_MSM_GEM_SYNC DRM_IOW(DRM_COMMAND_BASE + DRM_MSM_GEM_SYNC,\ + struct drm_msm_gem_sync) #endif /* __MSM_DRM_H__ */ |