On 10/25/2016 09:57 PM, Ilia Mirkin wrote:
And bit 4 is for ... ?

I've only ever seen the blob use the value 0x1011. You're right that
it's a bitfield, but there's all kinds of crazy caches =/

As we said yesterday on IRC, I will investigate a bit more but I'm 95% sure it's correct (and blob doesn't always use 0x1011).


On Tue, Oct 25, 2016 at 3:41 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
MEM_BARRIER seems to be similar to FLUSH, thus bit 0 is for
flushing code while bit 12 is for constant buffers.

Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
 src/gallium/drivers/nouveau/nvc0/nvc0_program.c | 2 +-
 src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c 
b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
index a4a164f..68ce1c0 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
@@ -859,7 +859,7 @@ nvc0_program_upload(struct nvc0_context *nvc0, struct 
nvc0_program *prog)
 #endif

    BEGIN_NVC0(nvc0->base.pushbuf, NVC0_3D(MEM_BARRIER), 1);
-   PUSH_DATA (nvc0->base.pushbuf, 0x1011);
+   PUSH_DATA (nvc0->base.pushbuf, 0x1);

    return true;
 }
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c 
b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
index 11fd7eb..08dc568 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
@@ -1004,7 +1004,7 @@ nvc0_draw_vbo(struct pipe_context *pipe, const struct 
pipe_draw_info *info)

    if (nvc0->cb_dirty) {
       PUSH_SPACE(push, 1);
-      IMMED_NVC0(push, NVC0_3D(MEM_BARRIER), 0x1011);
+      IMMED_NVC0(push, NVC0_3D(MEM_BARRIER), 0x1000);
       nvc0->cb_dirty = false;
    }

--
2.10.1

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--
-Samuel
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