diff options
Diffstat (limited to 'include/uapi/drm/v3d_drm.h')
| -rw-r--r-- | include/uapi/drm/v3d_drm.h | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h index 55b443ca6c0b..3dfc0af8756a 100644 --- a/include/uapi/drm/v3d_drm.h +++ b/include/uapi/drm/v3d_drm.h @@ -73,6 +73,53 @@ struct drm_v3d_extension { __u32 flags; /* mbz */ }; +/* struct drm_v3d_sem - wait/signal semaphore + * + * If binary semaphore, it only takes syncobj handle and ignores flags and + * point fields. Point is defined for timeline syncobj feature. + */ +struct drm_v3d_sem { + __u32 handle; /* syncobj */ + /* rsv below, for future uses */ + __u32 flags; + __u64 point; /* for timeline sem support */ + __u64 mbz[2]; /* must be zero, rsv */ +}; + +/* Enum for each of the V3D queues. */ +enum v3d_queue { + V3D_BIN, + V3D_RENDER, + V3D_TFU, + V3D_CSD, + V3D_CACHE_CLEAN, +}; + +/** + * struct drm_v3d_multi_sync - ioctl extension to add support multiples + * syncobjs for commands submission. + * + * When an extension of DRM_V3D_EXT_ID_MULTI_SYNC id is defined, it points to + * this extension to define wait and signal dependencies, instead of single + * in/out sync entries on submitting commands. The field flags is used to + * determine the stage to set wait dependencies. + */ +struct drm_v3d_multi_sync { + struct drm_v3d_extension base; + /* Array of wait and signal semaphores */ + __u64 in_syncs; + __u64 out_syncs; + + /* Number of entries */ + __u32 in_sync_count; + __u32 out_sync_count; + + /* set the stage (v3d_queue) to sync */ + __u32 wait_stage; + + __u32 pad; /* mbz */ +}; + /** * struct drm_v3d_submit_cl - ioctl argument for submitting commands to the 3D * engine. @@ -228,6 +275,7 @@ enum drm_v3d_param { DRM_V3D_PARAM_SUPPORTS_CSD, DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH, DRM_V3D_PARAM_SUPPORTS_PERFMON, + DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT, }; struct drm_v3d_get_param { @@ -271,7 +319,6 @@ struct drm_v3d_submit_tfu { /* Pointer to an array of ioctl extensions*/ __u64 extensions; - }; /* Submits a compute shader for dispatch. This job will block on any |