Nouveau - Sep 2010 - No subject

2001<BR>
From: Emil Velikov &lt;eeydev at nottingham.ac.uk&gt;<BR>
Date: Sun, 26 Sep 2010 20:26:02 +0100<BR>
Subject: [PATCH] Do not use the default pll found in pll table v2.1 on nv50+
cards<BR>
<BR>
This fixes issues bug 30370 and prevents another possible divide by zero on the
original nv50 cards, by returning -ENOENT<BR>
<BR>
Signed-off-by: Emil Velikov &lt;eeydev at nottingham.ac.uk&gt;<BR>
---<BR>
&nbsp;drivers/gpu/drm/nouveau/nouveau_bios.c |&nbsp;&nbsp;&nbsp;
6 ++++++<BR>
&nbsp;1 files changed, 6 insertions(+), 0 deletions(-)<BR>
<BR>
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c
b/drivers/gpu/drm/nouveau/nouveau_bios.c<BR>
index 0b844ea..9bd7099 100644<BR>
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c<BR>
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c<BR>
@@ -4890,6 +4890,12 @@ int get_pll_limits(struct drm_device *dev, uint32_t
limit_match, struct pll_lims<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
break;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}<BR>
<BR>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if
((dev_priv-&gt;card_type &gt;=3D NV_50) &amp;&amp; (pllindex
=3D=3D 0)) {<BR>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
NV_ERROR(dev, &quot;Register 0x%08x not found in PLL &quot;<BR>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&quot;limits table&quot;, pll_lim-&gt;reg);<BR>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return
-ENOENT;<BR>
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}<BR>
+<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; pll_rec
=3D &amp;bios-&gt;data[plloffs + recordlen * pllindex];<BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
BIOSLOG(bios, &quot;Loading PLL limits for reg 0x%08x\n&quot;,<BR>
--<BR>
1.7.2.3</FONT>
</P>

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