[Bug 107476] DisplayPort and LSPCON always defaults to incorrect limited-range RGB on Intel Graphics for 24bpp+ displays

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107476

--- Comment #17 from Jani Nikula <jani.nikula at intel.com> ---
Created attachment 141060
  --> https://bugs.freedesktop.org/attachment.cgi?id=141060&action=edit
drm/i915: set DP Main Stream Attribute for color range on DDI platforms

Please try this patch on top of an otherwise unmodified kernel. Untested, but
I'm feeling optimistic enough about it that I wrote a proper commit message.
Fingers crossed.

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