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<body><span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [SNB] Full/Limited Color range not functional"
href="https://bugs.freedesktop.org/show_bug.cgi?id=46800">bug 46800</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>ASSIGNED
</td>
</tr>
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<td style="text-align:right;">Assignee</td>
<td>daniel@ffwll.ch
</td>
<td>ville.syrjala@linux.intel.com
</td>
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [SNB] Full/Limited Color range not functional"
href="https://bugs.freedesktop.org/show_bug.cgi?id=46800#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [SNB] Full/Limited Color range not functional"
href="https://bugs.freedesktop.org/show_bug.cgi?id=46800">bug 46800</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=46800#c8">comment #8</a>)
<span class="quote">> The CEA mode and DVI solution sounds promising and probably (largely?)
> explains what we see with drivers from nvidia or under windows (which
> afaik default to limited range on televisions, full range on
> monitors). As for how to treat automation, my personal preference
> would be automatic but with manual override - how this would impact
> existing users is of course the clincher. I also tend to think that
> the selection should move to the xorg.conf rather than require xrandr.</span >
I just posted the first cut for an automatic solution to the mailing list.
It's also available in my git tree here:
<a href="https://gitorious.org/vsyrjala/linux/commits/rgb_quant_range2">https://gitorious.org/vsyrjala/linux/commits/rgb_quant_range2</a>
I wasn't able to test the AVI infoframe stuff as my TV doesn't support it. But
otherwise it seems to work as intended, ie. the driver changes to limited range
when a CEA video mode (except 640x480) is used, and otherwise uses full range.
My TV seems fairly happy with it, assuming I haven't changed the defaults on
the TV side. This TV allows me to select the quantization range in CEA modes,
and it remembers the selection for each mode. The default I assume is limited
range for those. For non-CEA modes the TV is hardcoded to use full range,
without any option to override it.
As for xorg.conf, I'll leave stuff like that for Chris to decide.</pre>
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