<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [sdvo lvds regression] "Use &intel_sdvo->ddc instead of intel_sdvo->i2c for DDC""
href="https://bugs.freedesktop.org/show_bug.cgi?id=65524#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [sdvo lvds regression] "Use &intel_sdvo->ddc instead of intel_sdvo->i2c for DDC""
href="https://bugs.freedesktop.org/show_bug.cgi?id=65524">bug 65524</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>Indeed tweaking the pixel multiplier so that it comes out at 2 makes the SDVO
LVDS panel work again:
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c
b/drivers/gpu/drm/i915/intel_sdvo.c
index 45aa32a..20a6c79 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -577,9 +577,9 @@ log_fail:
static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
{
- if (mode->clock >= 100000)
+ if (mode->clock >= 80000)
return 1;
- else if (mode->clock >= 50000)
+ else if (mode->clock >= 40000)
return 2;
else
return 4;</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>