diff options
Diffstat (limited to 'linux-core/nouveau_fence.c')
| -rw-r--r-- | linux-core/nouveau_fence.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/linux-core/nouveau_fence.c b/linux-core/nouveau_fence.c index e510aec7..f0e62861 100644 --- a/linux-core/nouveau_fence.c +++ b/linux-core/nouveau_fence.c @@ -54,13 +54,17 @@ nouveau_fence_emit(struct drm_device *dev, uint32_t class, uint32_t flags, DRM_DEBUG("class=%d, flags=0x%08x\n", class, flags); - /* We can't emit fences on client channels */ - if (chan != dchan->chan) - return 0; - - *breadcrumb = ++dchan->next_sequence; + /* We can't emit fences on client channels, update sequence number + * and userspace will emit the fence + */ + *breadcrumb = ++chan->next_sequence; *native_type = DRM_FENCE_TYPE_EXE; + if (chan != dchan->chan) { + DRM_DEBUG("user fence 0x%08x\n", *breadcrumb); + return 0; + } + DRM_DEBUG("emit 0x%08x\n", *breadcrumb); BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_SET_REF, 1); OUT_RING (*breadcrumb); BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY, 1); @@ -83,10 +87,13 @@ nouveau_fence_perform_flush(struct drm_device *dev, uint32_t class) pending_types = fc->pending_flush | ((fc->pending_exe_flush) ? DRM_FENCE_TYPE_EXE : 0); + DRM_DEBUG("pending: 0x%08x 0x%08x\n", pending_types, + fc->pending_flush); if (pending_types) { uint32_t sequence = NV_READ(NV03_FIFO_REGS(class) + 0x48); + DRM_DEBUG("got 0x%08x\n", sequence); drm_fence_handler(dev, class, sequence, pending_types, 0); } } |