diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_drm.h')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_drm.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_drm.h b/src/gallium/drivers/vc4/vc4_drm.h index 7d440742191..34f5a88fa01 100644 --- a/src/gallium/drivers/vc4/vc4_drm.h +++ b/src/gallium/drivers/vc4/vc4_drm.h @@ -27,8 +27,13 @@ #include <drm.h> #define DRM_VC4_SUBMIT_CL 0x00 +#define DRM_VC4_WAIT_SEQNO 0x01 +#define DRM_VC4_WAIT_BO 0x02 #define DRM_IOCTL_VC4_SUBMIT_CL DRM_IOWR( DRM_COMMAND_BASE + DRM_VC4_SUBMIT_CL, struct drm_vc4_submit_cl) +#define DRM_IOCTL_VC4_WAIT_SEQNO DRM_IOWR( DRM_COMMAND_BASE + DRM_VC4_WAIT_SEQNO, struct drm_vc4_wait_seqno) +#define DRM_IOCTL_VC4_WAIT_BO DRM_IOWR( DRM_COMMAND_BASE + DRM_VC4_WAIT_BO, struct drm_vc4_wait_bo) + /** * struct drm_vc4_submit_cl - ioctl argument for submitting commands to the 3D @@ -109,6 +114,39 @@ struct drm_vc4_submit_cl { /* Number of BO handles passed in (size is that times 4). */ uint32_t bo_handle_count; + + uint32_t pad; + + /* Returned value of the seqno of this render job (for the + * wait ioctl). + */ + uint64_t seqno; +}; + +/** + * struct drm_vc4_wait_seqno - ioctl argument for waiting for + * DRM_VC4_SUBMIT_CL completion using its returned seqno. + * + * timeout_ns is the timeout in nanoseconds, where "0" means "don't + * block, just return the status." + */ +struct drm_vc4_wait_seqno { + uint64_t seqno; + uint64_t timeout_ns; +}; + +/** + * struct drm_vc4_wait_bo - ioctl argument for waiting for + * completion of the last DRM_VC4_SUBMIT_CL on a BO. + * + * This is useful for cases where multiple processes might be + * rendering to a BO and you want to wait for all rendering to be + * completed. + */ +struct drm_vc4_wait_bo { + uint32_t handle; + uint32_t pad; + uint64_t timeout_ns; }; #endif /* _UAPI_VC4_DRM_H_ */ |