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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BDW][Audio][HD-A Display] DP/HDMI audio playback abnormal"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91410#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BDW][Audio][HD-A Display] DP/HDMI audio playback abnormal"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91410">bug 91410</a>
from <span class="vcard"><a class="email" href="mailto:anarsoul@gmail.com" title="Vasily Khoruzhick <anarsoul@gmail.com>"> <span class="fn">Vasily Khoruzhick</span></a>
</span></b>
<pre>(In reply to Ville Syrjala from <a href="show_bug.cgi?id=91410#c20">comment #20</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=122963" name="attach_122963" title="[PATCH] drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency">attachment 122963</a> <a href="attachment.cgi?id=122963&action=edit" title="[PATCH] drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=91410&attachment=122963'>[review]</a> [review]
> [PATCH] drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk
> frequency
>
> I found at least one thing missing from out BDW cdclk code. This should add
> it.</span >
Doesn't fix the issue. Looks like audio driver uses stale value:
[ 2644.305055] broadwell_get_display_clock_speed 4c000000
[ 2644.305057] i915_audio_component_get_cdclk_freq 675000
[ 2644.322469] broadwell_get_display_clock_speed 4c000000
[ 2644.325669] broadwell_get_display_clock_speed 48000000</pre>
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