[Nouveau] [Bug 89730] NV50: LightDM GTK+ Greeter Background - inconsistent display

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89730

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Here's a simple patch to try... *no* idea if it'll help. I assume not, but who
knows. [Patch to xf86-video-nouveau.]

diff --git a/src/nv50_accel.c b/src/nv50_accel.c
index 5efbd19..ecad602 100644
--- a/src/nv50_accel.c
+++ b/src/nv50_accel.c
@@ -207,6 +207,8 @@ NVAccelInitNV50TCL(ScrnInfoPtr pScrn)
     PUSH_DATA (push, 0);
     BEGIN_NV04(push, NV50_3D(COLOR_MASK_COMMON), 1);
     PUSH_DATA (push, 1);
+    BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
+    PUSH_DATA (push, 0);

     BEGIN_NV04(push, NV50_3D(TIC_ADDRESS_HIGH), 3);
     PUSH_DATA (push, (pNv->scratch->offset + TIC_OFFSET) >> 32);

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