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

[Timo Aaltonen]

On 29.11.2019 8.10, Kai-Heng Feng wrote:
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
> 
> 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.
> 
> Lucas De Marchi (1):
>   drm/i915: fix port checks for MST support on gen >= 11
> 
>  drivers/gpu/drm/i915/display/intel_dp.c     |  7 ++-----
>  drivers/gpu/drm/i915/display/intel_dp_mst.c | 22 +++++++++++++++------
>  2 files changed, 18 insertions(+), 11 deletions(-)

Applied to osp1 oem-current, thanks.


-- 
t