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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [965gm] glitches"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90916">bug 90916</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Summary</td>
<td>Graphics corruption on Dell Lattitude 1525 laptop
</td>
<td>[965gm] glitches
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [965gm] glitches"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90916#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [965gm] glitches"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90916">bug 90916</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>My presumption here is that it is mmap(wc) playing up.
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 0178df7..11e80f9 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -83,7 +83,7 @@ search_snoop_cache(struct kgem *kgem, unsigned int num_pages,
unsigned flags);
#define DBG_NO_FAST_RELOC 0
#define DBG_NO_HANDLE_LUT 0
#define DBG_NO_WT 0
-#define DBG_NO_WC_MMAP 0
+#define DBG_NO_WC_MMAP 1
#define DBG_NO_BLT_Y 0
#define DBG_NO_SCANOUT_Y 0
#define DBG_NO_DETILING 0
is perhaps the simplest way of testing.</pre>
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