[Bug 105331] Dithering doesn't work on HD4600 when using DP

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=105331

Ville Syrjala <ville.syrjala at linux.intel.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ville.syrjala at linux.intel.c
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--- Comment #5 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
No idea.

The DP spec says:
"In determining the colorimetry format, the Source device must check the
capability of the Sink device via an EDID read. When the Sink device capability
is unknown, for example due to the corruption of EDID, the Source device must
fall back to 18bpp RGB, with full dynamic range"
...
"Note: The Source device falls back to 18bpp,VESA range RGB when the sink
capability is unknown."

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