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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - I915: Warning on linux-3.14-rc7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76738#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - I915: Warning on linux-3.14-rc7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76738">bug 76738</a>
from <span class="vcard"><a class="email" href="mailto:peter.senna@gmail.com" title="Peter Senna Tschudin <peter.senna@gmail.com>"> <span class="fn">Peter Senna Tschudin</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=96534" name="attach_96534" title="Dmesg with drm.debug=0xe after applying patch from Daniel Vetter">attachment 96534</a> <a href="attachment.cgi?id=96534&action=edit" title="Dmesg with drm.debug=0xe after applying patch from Daniel Vetter">[details]</a></span>
Dmesg with drm.debug=0xe after applying patch from Daniel Vetter
Dmesg with drm.debug=0xe and with the patch:
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 7be5984431bb..3c0f8f095a6b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -450,6 +450,8 @@ static void i9xx_clock(int refclk, intel_clock_t *clock)
{
clock->m = i9xx_dpll_compute_m(clock);
clock->p = clock->p1 * clock->p2;
+ printk("p1 = %u, p2 = %u, n = %u\n", clock->p1, clock->p2,
+ clock->n);
if (WARN_ON(clock->n + 2 == 0 || clock->p == 0))
return;
clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2);</pre>
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