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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - NV50: LightDM GTK+ Greeter Background - inconsistent display"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89730#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - NV50: LightDM GTK+ Greeter Background - inconsistent display"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89730">bug 89730</a>
from <span class="vcard"><a class="email" href="mailto:pomidorabelisima@gmail.com" title="poma <pomidorabelisima@gmail.com>"> <span class="fn">poma</span></a>
</span></b>
<pre>(In reply to Ilia Mirkin from <a href="show_bug.cgi?id=89730#c2">comment #2</a>)
<span class="quote">> 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);</span >
With this nouve git:
<a href="http://cgit.freedesktop.org/nouveau/xf86-video-nouveau/">http://cgit.freedesktop.org/nouveau/xf86-video-nouveau/</a>
dunno whether it is proper position, but comparing with the
NV50_3D(ZETA_ENABLE) in src/nvc0_accel.c
your patch fit like this:
diff --git a/src/nv50_accel.c b/src/nv50_accel.c
index b27f67a..50b3a08 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, SUBC_3D(0x0f90), 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);
Nevertheless it still has no effect.
With regard to your question - GL, I tried the following:
options nouveau noaccel=1
and it has a positive effect - Greeter Background is displayed correctly.
After all this, if I understand it correctly:
1. Family : NV30 / Chipset: NV34 (NV34) / GeForce FX 5200
because it has no problemos in this case - per se is not accelerated?
2. the same applies if the modesetting is used - not accelerated?
3. also there is no problemos if nouveau noaccel=1 is used - not accelerated?
Perhaps this is flaw within the greeter application then?</pre>
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