Mesa (master): nvc0: copy engine surface params are only relevant for tiled surfaces

[Ilia Mirkin]

Module: Mesa
Branch: master
Commit: ec3d489d5b70686359030dcca542ff979cfd50ff
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ec3d489d5b70686359030dcca542ff979cfd50ff

Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Sat Jan 28 13:14:09 2017 +1000

nvc0: copy engine surface params are only relevant for tiled surfaces

Aside from reducing pushbuf usage in some situations, this commit should
have no other effect, and is just to make it somewhat obvious that those
methods have zero effect on linear surfaces.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
Acked-by: Ilia Mirkin <imirkin at alum.mit.edu>

---

 src/gallium/drivers/nouveau/nvc0/nvc0_transfer.c | 37 ++++++++++++------------
 1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_transfer.c b/src/gallium/drivers/nouveau/nvc0/nvc0_transfer.c
index 14fb53cb8f..0b06236b3e 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_transfer.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_transfer.c
@@ -128,33 +128,34 @@ nve4_m2mf_transfer_rect(struct nvc0_context *nvc0,
 
    exec = 0x200 /* 2D_ENABLE */ | 0x6 /* UNK */;
 
-   if (!nouveau_bo_memtype(dst->bo)) {
+   if (nouveau_bo_memtype(dst->bo)) {
+      BEGIN_NVC0(push, SUBC_COPY(0x070c), 6);
+      PUSH_DATA (push, 0x1000 | dst->tile_mode);
+      PUSH_DATA (push, dst->pitch);
+      PUSH_DATA (push, dst->height);
+      PUSH_DATA (push, dst->depth);
+      PUSH_DATA (push, dst->z);
+      PUSH_DATA (push, (dst->y << 16) | (dst->x * cpp));
+   } else {
       assert(!dst->z);
       dst_base += dst->y * dst->pitch + dst->x * cpp;
       exec |= 0x100; /* DST_MODE_2D_LINEAR */
    }
-   if (!nouveau_bo_memtype(src->bo)) {
+
+   if (nouveau_bo_memtype(src->bo)) {
+      BEGIN_NVC0(push, SUBC_COPY(0x0728), 6);
+      PUSH_DATA (push, 0x1000 | src->tile_mode);
+      PUSH_DATA (push, src->pitch);
+      PUSH_DATA (push, src->height);
+      PUSH_DATA (push, src->depth);
+      PUSH_DATA (push, src->z);
+      PUSH_DATA (push, (src->y << 16) | (src->x * cpp));
+   } else {
       assert(!src->z);
       src_base += src->y * src->pitch + src->x * cpp;
       exec |= 0x080; /* SRC_MODE_2D_LINEAR */
    }
 
-   BEGIN_NVC0(push, SUBC_COPY(0x070c), 6);
-   PUSH_DATA (push, 0x1000 | dst->tile_mode);
-   PUSH_DATA (push, dst->pitch);
-   PUSH_DATA (push, dst->height);
-   PUSH_DATA (push, dst->depth);
-   PUSH_DATA (push, dst->z);
-   PUSH_DATA (push, (dst->y << 16) | (dst->x * cpp));
-
-   BEGIN_NVC0(push, SUBC_COPY(0x0728), 6);
-   PUSH_DATA (push, 0x1000 | src->tile_mode);
-   PUSH_DATA (push, src->pitch);
-   PUSH_DATA (push, src->height);
-   PUSH_DATA (push, src->depth);
-   PUSH_DATA (push, src->z);
-   PUSH_DATA (push, (src->y << 16) | (src->x * cpp));
-
    BEGIN_NVC0(push, SUBC_COPY(0x0400), 8);
    PUSH_DATAh(push, src->bo->offset + src_base);
    PUSH_DATA (push, src->bo->offset + src_base);