[Bug 82829] [hsw Color] Intel Haswell GPU HD4400 has wrong color management on external screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82829

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ville.syrjala at linux.intel.c
                   |                            |om

--- Comment #9 from Jani Nikula <jani.nikula at intel.com> ---
We do this with Broadcast RGB Automatic because DPv1.2 says, "When a Source
device is transmitting a RGB stream with a video timing format called out in
CEA-861C Section 5 as using CEA range RGB, it must use the CEA range RGB."

However it also says, "However, a Source device may transmit all code values
from zero to the maximum even when it declares the CEA range in the Main Stream
Attributes. It is the responsibility of the Sink device to limit the pixel
value
range as needed."

I wonder if we could do that. Ville?

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