APPLIED [OEM-5.14] Re: [PATCH 0/1][SRU][Jammy][OEM-5.14] The display output on type-c hub doesn't work on ADL platform

[Timo Aaltonen]

On 27.1.2022 4.34, AceLan Kao wrote:
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1959061
> 
> [Impact]
> The display output(DP/HDMI) on the USB type-c hub doesn't work. No display
> output device could be found after the monitor is plugged into the hub.
> 
> [Fix]
> Intel provide a new patch to fix this issue on ADL platforms.
> 
> [Test]
> Verified on ADL platform with different type-c hubs, the display output
> works.
> 
> [Where problems could occur]
> The TCSS_DDI_STATUS register is indexed by tc_port not by the FIA port
> index. So, this patch is more like a fix and only affect ADL platforms.
> And as the commit log describes, the value is wrong on TC#3/4 ports,
> so it won't affect the origin working ports.
> 
> Imre Deak (1):
>    UBUNTU: SAUCE: drm/i915/adlp: Fix TypeC PHY-ready status readout
> 
>   drivers/gpu/drm/i915/display/intel_tc.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 

applied to oem-5.14, thanks

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