static void flush(struct etna_cmd_stream *stream) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); int ret, id = priv->pipe->id; struct etna_gpu *gpu = priv->pipe->gpu; struct drm_etnaviv_gem_submit req; req.pipe = gpu->core; req.exec_state = id; req.bos = VOID2U64(priv->submit.bos); req.nr_bos = priv->submit.nr_bos; req.relocs = VOID2U64(priv->submit.relocs); req.nr_relocs = priv->submit.nr_relocs; req.stream = VOID2U64(stream->buffer); req.stream_size = stream->offset * 4; /* in bytes */ ret = drmCommandWriteRead(gpu->dev->fd, DRM_ETNAVIV_GEM_SUBMIT, &req, sizeof(req)); if (ret) { ERROR_MSG("submit failed: %d (%s)", ret, strerror(errno)); } else { priv->last_timestamp = req.fence; } for (uint32_t i = 0; i < priv->nr_bos; i++) { struct etna_bo *bo = priv->bos[i]; bo->current_stream = NULL; etna_bo_del(bo); } }
/* add (if needed) bo, return idx: */ static uint32_t bo2idx(struct etna_cmd_stream *stream, struct etna_bo *bo, uint32_t flags) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); uint32_t idx; pthread_mutex_lock(&idx_lock); if (!bo->current_stream) { idx = append_bo(stream, bo); bo->current_stream = stream; bo->idx = idx; } else if (bo->current_stream == stream) { idx = bo->idx; } else { /* slow-path: */ for (idx = 0; idx < priv->nr_bos; idx++) if (priv->bos[idx] == bo) break; if (idx == priv->nr_bos) { /* not found */ idx = append_bo(stream, bo); } } pthread_mutex_unlock(&idx_lock); if (flags & ETNA_RELOC_READ) priv->submit.bos[idx].flags |= ETNA_SUBMIT_BO_READ; if (flags & ETNA_RELOC_WRITE) priv->submit.bos[idx].flags |= ETNA_SUBMIT_BO_WRITE; return idx; }
void etna_cmd_stream_del(struct etna_cmd_stream *stream) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); free(stream->buffer); free(priv->submit.relocs); free(priv); }
void etna_cmd_stream_finish(struct etna_cmd_stream *stream) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); flush(stream); etna_pipe_wait(priv->pipe, priv->last_timestamp, 5000); reset_buffer(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; struct etna_gpu *gpu = priv->pipe->gpu; struct drm_etnaviv_gem_submit req = { .pipe = gpu->core, .exec_state = id, .bos = VOID2U64(priv->submit.bos), .nr_bos = priv->submit.nr_bos, .relocs = VOID2U64(priv->submit.relocs), .nr_relocs = priv->submit.nr_relocs, .stream = VOID2U64(stream->buffer), .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, req.flags ? sizeof(req) : offsetof(struct drm_etnaviv_gem_submit, flags)); if (ret) ERROR_MSG("submit failed: %d (%s)", ret, strerror(errno)); else priv->last_timestamp = req.fence; for (uint32_t i = 0; i < priv->nr_bos; i++) { struct etna_bo *bo = priv->bos[i]; 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, -1, NULL); reset_buffer(stream); }
static void reset_buffer(struct etna_cmd_stream *stream) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); stream->offset = 0; priv->submit.nr_bos = 0; priv->submit.nr_relocs = 0; priv->nr_bos = 0; if (priv->reset_notify) priv->reset_notify(stream, priv->reset_notify_priv); }
static uint32_t append_bo(struct etna_cmd_stream *stream, struct etna_bo *bo) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); uint32_t idx; idx = APPEND(&priv->submit, bos); idx = APPEND(priv, bos); priv->submit.bos[idx].flags = 0; priv->submit.bos[idx].handle = bo->handle; priv->bos[idx] = etna_bo_ref(bo); return idx; }
void etna_cmd_stream_reloc(struct etna_cmd_stream *stream, const struct etna_reloc *r) { struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream); struct drm_etnaviv_gem_submit_reloc *reloc; uint32_t idx = APPEND(&priv->submit, relocs); uint32_t addr = 0; reloc = &priv->submit.relocs[idx]; reloc->reloc_idx = bo2idx(stream, r->bo, r->flags); reloc->reloc_offset = r->offset; reloc->submit_offset = stream->offset * 4; /* in bytes */ reloc->flags = 0; etna_cmd_stream_emit(stream, addr); }
uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream) { return etna_cmd_stream_priv(stream)->last_timestamp; }