Mesa (nvc0): drm/nvc0: don't un-bind every subchannel on init

[Ben Skeggs]

Module: Mesa
Branch: nvc0
Commit: 5b0e5e7389a5a09305bd47d69befefc5b85b4b2a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5b0e5e7389a5a09305bd47d69befefc5b85b4b2a

Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Thu Dec 30 12:34:12 2010 +1000

drm/nvc0: don't un-bind every subchannel on init

The initial values in the grctx are 0x0000 anyway, and re-binding them
all to 0x0000 destroys some init done by the nouveau drm.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>

---

 src/gallium/drivers/nvc0/nvc0_screen.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/src/gallium/drivers/nvc0/nvc0_screen.c b/src/gallium/drivers/nvc0/nvc0_screen.c
index 0e80e28..a5641ba 100644
--- a/src/gallium/drivers/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nvc0/nvc0_screen.c
@@ -392,11 +392,6 @@ nvc0_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
          goto fail;
    }
 
-   for (i = 0; i < 8; ++i) {
-      BEGIN_RING(chan, (i << 13) | (0x0000 >> 2), 1);
-      OUT_RING  (chan, 0x0000);
-   }
-
    ret = nouveau_grobj_alloc(chan, 0xbeef9039, NVC0_M2MF, &screen->m2mf);
    if (ret)
       FAIL_SCREEN_INIT("Error allocating PGRAPH context for M2MF: %d\n", ret);