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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [AMD Fusion E-350] HDMI refresh rates doesn't match expectations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76564#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [AMD Fusion E-350] HDMI refresh rates doesn't match expectations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76564">bug 76564</a>
from <span class="vcard"><a class="email" href="mailto:jeroenk61@hotmail.com" title="jeroen <jeroenk61@hotmail.com>"> <span class="fn">jeroen</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=76564#c19">comment #19</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=76564#c16">comment #16</a>)
> > (In reply to <a href="show_bug.cgi?id=76564#c15">comment #15</a>)
> > > I got the results with fglrx:
> > > PPLL1@50Hz: fb=23.7 ref=2 post=6
> > > <a href="mailto:PPLL1@23.976Hz">PPLL1@23.976Hz</a>: fb=23.7 ref=2 post=12
> > >
> > > PPLL2 does seem to be used as it does not change. PPLL1 has different values
> > > than with the radeon OSS driver. What does this mean?
> >
> >
> > (100Mhz * 23.7) / (2 * 6) = 197.5Mhz
> >
> > (100Mhz * 23.7) / (2 * 12) = 98.75Mhz
> >
> > Maybe fglrx is using different modelines with a different display clock?
> > Can you print what modes are being used with fglrx and radeon? E.g., xrandr
> > --verbose.
>
> I attached both xrandr outputs.
>
> I also noticed that for fgrlx the PLL values are the same for 50Hz,60Hz and
> 59.94Hz output.</span >
When I look at the xrandr output I wonder if the reference frequency is not
75MHz for fgrlx? Can the reference even change is this not fixed by the
hardware?</pre>
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