APPLIED [OEM-5.10] Re: [PATCH 0/1][SRU][OEM-5.10/H] Fix typec output on AMD Cezanne GPU

Timo Aaltonen tjaalton at ubuntu.com
Thu Jun 3 07:18:09 UTC 2021


On 26.5.2021 8.40, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1929646
> 
> [Impact]
> Display can't work when replug in after suspend on AMD Cezanne platform.
> 
> [Fix]
> Enable display power gating, display of typec will work as expected.
> 
> [Test]
> Verified on hardware, suspend then replug the cable of typec, repeat for
> 10 times, all good.
> 
> [Where problems could occur]
> The AMD typec output may not output.
> Unstable kernel already got it, only for OEM-5.10/H.
> Minor changes during backport.
> 
> Dmytro Laktyushkin (1):
>    drm/amd/display: use max lb for latency hiding
> 
>   drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c   | 4 +++-
>   drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c   | 6 ++++--
>   drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c   | 9 ++++++---
>   drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c   | 4 +++-
>   drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 2 +-
>   drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 4 +++-
>   6 files changed, 20 insertions(+), 9 deletions(-)
> 


-- 
t



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