ACK: [SRU] [E/Unstable/OEM-OSP1-B] [PATCH 0/1] Fix MST support on Ice Lake

Seth Forshee seth.forshee at canonical.com
Thu Dec 5 21:20:16 UTC 2019


On Fri, Nov 29, 2019 at 02:10:21PM +0800, Kai-Heng Feng wrote:
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> BugLink: https://bugs.launchpad.net/bugs/1854432
> 
> [Impact]
> Some HDMI and DP doesn't count as external monitor on ICL MST.
> 
> [Fix]
> Fix external port MST check on Ice Lake.
> 
> [Test]
> DP and HDMI ports can only mirror display.
> After applying this patch bot DP and HDMI ports can drive its own
> external display.
> 
> [Regression Potential]
> Low. This fix targets Gen 11 and Gen 12 Intel graphics, older systems
> are unaffected.

Acked-by: Seth Forshee <seth.forshee at canonical.com>



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