[Bug 91393] [bdw edp] Screen Flickering

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91393

Mika Kahola <mika.kahola at intel.com> changed:

           What    |Removed                     |Added
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 Attachment #119983|0                           |1
        is obsolete|                            |

--- Comment #36 from Mika Kahola <mika.kahola at intel.com> ---
Created attachment 120109
  --> https://bugs.freedesktop.org/attachment.cgi?id=120109&action=edit
DP configuration check

This patch adds additional test and disables fast link training feature if DP
link parameters such as link bandwidth, rate selection, lane count, port clock
and bpp. If one of these parameter change the fast link training is disabled
and link is retrained with the link training parameters starting from zero
values. Please, give this patch a go and report back with dmesg if flickering
still exists.

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