nvc0: identify VERTEX_QUARANTINE

Well, not sure what exactly it is, but it certainly doesn't contain
the control flow stack, but vertex data.

Not sure about size, I've only seen the first few KiB written, but
the binary driver seems to allocate more.

3 files changed, 17 insertions, 8 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_3d.xml.h b/src/gallium/drivers/nvc0/nvc0_3d.xml.h
index 5857f7cee9e..94fa081ad7e 100644
--- a/src/gallium/drivers/nvc0/nvc0_3d.xml.h
+++ b/src/gallium/drivers/nvc0/nvc0_3d.xml.h
@@ -927,6 +927,15 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #define NVC0_3D_ZETA_BASE_LAYER					0x0000179c
 
+#define NVC0_3D_VERTEX_QUARANTINE_ADDRESS_HIGH			0x000017bc
+
+#define NVC0_3D_VERTEX_QUARANTINE_ADDRESS_LOW			0x000017c0
+
+#define NVC0_3D_VERTEX_QUARANTINE_SIZE				0x000017c4
+#define NVC0_3D_VERTEX_QUARANTINE_SIZE_16K			0x00000001
+#define NVC0_3D_VERTEX_QUARANTINE_SIZE_32K			0x00000002
+#define NVC0_3D_VERTEX_QUARANTINE_SIZE_64K			0x00000003
+
 #define NVC0_3D_STRMOUT_UNK1780(i0)			       (0x00001780 + 0x4*(i0))
 #define NVC0_3D_STRMOUT_UNK1780__ESIZE				0x00000004
 #define NVC0_3D_STRMOUT_UNK1780__LEN				0x00000004
diff --git a/src/gallium/drivers/nvc0/nvc0_screen.c b/src/gallium/drivers/nvc0/nvc0_screen.c
index 675bbe0fe31..1047ba3c337 100644
--- a/src/gallium/drivers/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nvc0/nvc0_screen.c
@@ -207,7 +207,7 @@ nvc0_screen_destroy(struct pipe_screen *pscreen)
    nouveau_bo_ref(NULL, &screen->tls);
    nouveau_bo_ref(NULL, &screen->txc);
    nouveau_bo_ref(NULL, &screen->fence.bo);
-   nouveau_bo_ref(NULL, &screen->mp_stack_bo);
+   nouveau_bo_ref(NULL, &screen->vfetch_cache);
 
    nouveau_resource_destroy(&screen->text_heap);
 
@@ -496,14 +496,14 @@ nvc0_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
    OUT_RING  (chan, 0);
 
    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 20,
-                        &screen->mp_stack_bo);
+                        &screen->vfetch_cache);
    if (ret)
       goto fail;
 
-   BEGIN_RING(chan, RING_3D_(0x17bc), 3);
-   OUT_RELOCh(chan, screen->mp_stack_bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
-   OUT_RELOCl(chan, screen->mp_stack_bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
-   OUT_RING  (chan, 1);
+   BEGIN_RING(chan, RING_3D(VERTEX_QUARANTINE_ADDRESS_HIGH), 3);
+   OUT_RELOCh(chan, screen->vfetch_cache, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
+   OUT_RELOCl(chan, screen->vfetch_cache, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
+   OUT_RING  (chan, 3);
 
    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 17, &screen->txc);
    if (ret)
@@ -635,7 +635,7 @@ nvc0_screen_make_buffers_resident(struct nvc0_screen *screen)
    nouveau_bo_validate(chan, screen->text, flags);
    nouveau_bo_validate(chan, screen->uniforms, flags);
    nouveau_bo_validate(chan, screen->txc, flags);
-   nouveau_bo_validate(chan, screen->mp_stack_bo, flags);
+   nouveau_bo_validate(chan, screen->vfetch_cache, flags);
 
    if (screen->cur_ctx && screen->cur_ctx->state.tls_required)
       nouveau_bo_validate(chan, screen->tls, flags);
diff --git a/src/gallium/drivers/nvc0/nvc0_screen.h b/src/gallium/drivers/nvc0/nvc0_screen.h
index 81f404ada83..94bf0cf3481 100644
--- a/src/gallium/drivers/nvc0/nvc0_screen.h
+++ b/src/gallium/drivers/nvc0/nvc0_screen.h
@@ -26,7 +26,7 @@ struct nvc0_screen {
    struct nouveau_bo *uniforms;
    struct nouveau_bo *tls;
    struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
-   struct nouveau_bo *mp_stack_bo;
+   struct nouveau_bo *vfetch_cache;
 
    uint64_t tls_size;