diff options
| author | Philipp Zabel <p.zabel@pengutronix.de> | 2017-04-10 11:15:53 +0200 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-04-12 11:58:38 +0200 |
| commit | 2f902a6844124291e8f4458ecae98543bd9a2802 (patch) | |
| tree | c4d27963800df2596ab9b582bb4add7a4e7ea791 | |
| parent | 26e51e413be72256d4d416f8a9b9d04a78bfbf18 (diff) | |
etnaviv: add fence fd support
Add etna_cmd_stream_flush2 with in-fence fd and out-fence fd support for
explicit fencing.
v3: added etna_cmd_stream_flush2 to etnaviv/etnaviv-symbol-check
v2: renamed etna_cmd_stream_flush_explicit to etna_cmd_stream_flush2
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| -rwxr-xr-x | etnaviv/etnaviv-symbol-check | 1 | ||||
| -rw-r--r-- | etnaviv/etnaviv_cmd_stream.c | 33 | ||||
| -rw-r--r-- | etnaviv/etnaviv_drmif.h | 2 |
3 files changed, 32 insertions, 4 deletions
diff --git a/etnaviv/etnaviv-symbol-check b/etnaviv/etnaviv-symbol-check index 22afd168..0e2030e4 100755 --- a/etnaviv/etnaviv-symbol-check +++ b/etnaviv/etnaviv-symbol-check @@ -39,6 +39,7 @@ etna_cmd_stream_new etna_cmd_stream_del etna_cmd_stream_timestamp etna_cmd_stream_flush +etna_cmd_stream_flush2 etna_cmd_stream_finish etna_cmd_stream_reloc EOF diff --git a/etnaviv/etnaviv_cmd_stream.c b/etnaviv/etnaviv_cmd_stream.c index 9ce3f363..3c7b0ed6 100644 --- a/etnaviv/etnaviv_cmd_stream.c +++ b/etnaviv/etnaviv_cmd_stream.c @@ -177,7 +177,8 @@ static uint32_t bo2idx(struct etna_cmd_stream *stream, struct etna_bo *bo, return idx; } -static void flush(struct etna_cmd_stream *stream) +static void flush(struct etna_cmd_stream *stream, int in_fence_fd, + int *out_fence_fd) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); int ret, id = priv->pipe->id; @@ -194,8 +195,22 @@ static void flush(struct etna_cmd_stream *stream) .stream_size = stream->offset * 4, /* in bytes */ }; + if (in_fence_fd != -1) { + req.flags |= ETNA_SUBMIT_FENCE_FD_IN | ETNA_SUBMIT_NO_IMPLICIT; + req.fence_fd = in_fence_fd; + } + + if (out_fence_fd) + req.flags |= ETNA_SUBMIT_FENCE_FD_OUT; + + /* + * Pass the complete submit structure only if flags are set. Otherwise, + * only pass the fields up to, but not including the flags field for + * backwards compatiblity with older kernels. + */ ret = drmCommandWriteRead(gpu->dev->fd, DRM_ETNAVIV_GEM_SUBMIT, - &req, sizeof(req)); + &req, req.flags ? sizeof(req) : + offsetof(struct drm_etnaviv_gem_submit, flags)); if (ret) ERROR_MSG("submit failed: %d (%s)", ret, strerror(errno)); @@ -208,11 +223,21 @@ static void flush(struct etna_cmd_stream *stream) bo->current_stream = NULL; etna_bo_del(bo); } + + if (out_fence_fd) + *out_fence_fd = req.fence_fd; } void etna_cmd_stream_flush(struct etna_cmd_stream *stream) { - flush(stream); + flush(stream, -1, NULL); + reset_buffer(stream); +} + +void etna_cmd_stream_flush2(struct etna_cmd_stream *stream, int in_fence_fd, + int *out_fence_fd) +{ + flush(stream, in_fence_fd, out_fence_fd); reset_buffer(stream); } @@ -220,7 +245,7 @@ void etna_cmd_stream_finish(struct etna_cmd_stream *stream) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); - flush(stream); + flush(stream, -1, NULL); etna_pipe_wait(priv->pipe, priv->last_timestamp, 5000); reset_buffer(stream); } diff --git a/etnaviv/etnaviv_drmif.h b/etnaviv/etnaviv_drmif.h index 8119baad..87704acd 100644 --- a/etnaviv/etnaviv_drmif.h +++ b/etnaviv/etnaviv_drmif.h @@ -142,6 +142,8 @@ struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe, uint32_t siz void etna_cmd_stream_del(struct etna_cmd_stream *stream); uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream); void etna_cmd_stream_flush(struct etna_cmd_stream *stream); +void etna_cmd_stream_flush2(struct etna_cmd_stream *stream, int in_fence_fd, + int *out_fence_fd); void etna_cmd_stream_finish(struct etna_cmd_stream *stream); static inline uint32_t etna_cmd_stream_avail(struct etna_cmd_stream *stream) |