diff options
| author | Eric Anholt <[email protected]> | 2020-05-11 13:53:48 -0700 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-05-12 21:19:50 +0000 |
| commit | fdcadf611e03f0dc8878fb032b62510c38fe069b (patch) | |
| tree | 23510ad92c09fd181dad1c7c37dd2d4b144341e6 /src | |
| parent | a43e9740646a42e3c2d914ad7e0eb20f4113d153 (diff) | |
freedreno: Add a nohw flag to skip submitting to the kernel.
For some CPU-side-only optimizations, it can be nice to disable rendering
so that we can see what the impact is even on cases where the GPU can't
quite keep up.
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4996>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_gmem.c | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_screen.c | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_util.h | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_gmem.c b/src/gallium/drivers/freedreno/freedreno_gmem.c index 78d2a3a7932..73db133ae4a 100644 --- a/src/gallium/drivers/freedreno/freedreno_gmem.c +++ b/src/gallium/drivers/freedreno/freedreno_gmem.c @@ -612,6 +612,9 @@ flush_ring(struct fd_batch *batch) uint32_t timestamp; int out_fence_fd = -1; + if (unlikely(fd_mesa_debug & FD_DBG_NOHW)) + return; + fd_submit_flush(batch->submit, batch->in_fence_fd, batch->needs_out_fence_fd ? &out_fence_fd : NULL, ×tamp); diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c index b44fee62bd7..fd15e1fe54b 100644 --- a/src/gallium/drivers/freedreno/freedreno_screen.c +++ b/src/gallium/drivers/freedreno/freedreno_screen.c @@ -90,6 +90,7 @@ static const struct debug_named_value debug_options[] = { {"notile", FD_DBG_NOTILE, "Disable tiling for all internal buffers"}, {"layout", FD_DBG_LAYOUT, "Dump resource layouts"}, {"nofp16", FD_DBG_NOFP16, "Disable mediump precision lowering"}, + {"nohw", FD_DBG_NOHW, "Disable submitting commands to the HW"}, DEBUG_NAMED_VALUE_END }; diff --git a/src/gallium/drivers/freedreno/freedreno_util.h b/src/gallium/drivers/freedreno/freedreno_util.h index 0557f0ffca2..c2380c86303 100644 --- a/src/gallium/drivers/freedreno/freedreno_util.h +++ b/src/gallium/drivers/freedreno/freedreno_util.h @@ -90,6 +90,7 @@ enum fd_debug_flag { FD_DBG_NOTILE = BITFIELD_BIT(25), FD_DBG_LAYOUT = BITFIELD_BIT(26), FD_DBG_NOFP16 = BITFIELD_BIT(27), + FD_DBG_NOHW = BITFIELD_BIT(28), }; extern int fd_mesa_debug; |