[Mesa-stable] [PATCH] nvc0: take extra pushbuf space into account for pushbuf_space calls

[Ilia Mirkin]

See detailed explanation of why this is needed in commit eb60a89bc3a.
This spot was missed/overlooked. Basically as a result of the fact
that BEGIN_* ends up calling PUSH_SPACE, which in turn adds an extra 8
to the requested amount, we have to be mindful of that when doing bare
nouveau_pushbuf_space calls.

Reportedly this fixes some crashes when replaying a hitman trace taken
on radeonsi.

Fixes: eb60a89bc3a ("nouveau: take extra push space into account for pushbuf_space calls")
Cc: "13.0 17.0" <mesa-stable at lists.freedesktop.org>
Reported-by: Karol Herbst <nouveau at karolherbst.de>
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/drivers/nouveau/nvc0/nve4_compute.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nve4_compute.c b/src/gallium/drivers/nouveau/nvc0/nve4_compute.c
index 15b4750..798761d 100644
--- a/src/gallium/drivers/nouveau/nvc0/nve4_compute.c
+++ b/src/gallium/drivers/nouveau/nvc0/nve4_compute.c
@@ -515,7 +515,7 @@ nve4_compute_upload_input(struct nvc0_context *nvc0,
       struct nv04_resource *res = nv04_resource(info->indirect);
       uint32_t offset = res->offset + info->indirect_offset;
 
-      nouveau_pushbuf_space(push, 16, 0, 1);
+      nouveau_pushbuf_space(push, 32, 0, 1);
       PUSH_REFN(push, res->bo, NOUVEAU_BO_RD | res->domain);
 
       BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 8);
@@ -655,7 +655,7 @@ nve4_launch_grid(struct pipe_context *pipe, const struct pipe_grid_info *info)
       PUSH_DATA (push, 8);
       PUSH_DATA (push, 1);
 
-      nouveau_pushbuf_space(push, 16, 0, 1);
+      nouveau_pushbuf_space(push, 32, 0, 1);
       PUSH_REFN(push, res->bo, NOUVEAU_BO_RD | res->domain);
 
       BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (8 / 4));
-- 
2.10.2