APPLIED Re: [SRU] [linux-oem] [PATCH 0/5] Fix Dell TB16 Dock's DP/HDMI for CFL systems

Timo Aaltonen tjaalton at ubuntu.com
Wed Mar 14 14:42:40 UTC 2018


On 14.03.2018 10:02, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1755705
> 
> [Impact]
> CFL systems do not respond to Dell TB16 Dock DP/HDMI plugging event.
> 
> [Test]
> Connect Dell TB16 to a CFL system and Enable runtime PM. DP/HDMI ports
> on TB16 do not function.
> 
> [Fix]
> Don't disable AUX IO power well.
> 
> [Regression Potential]
> Low. These patches are in upstream for a while and I don't see any new
> commits try to fix them.
> 
> Imre Deak (5):
>   drm/i915/gen9+: Add 10 us delay after power well 1/AUX IO pw disabling
>   drm/i915/skl: Don't disable misc IO power well during display uninit
>   drm/i915/bxt, glk: Fix assert on conditions for DC9 enabling
>   drm/i915/gen9+: Don't remove secondary power well requests
>   drm/i915/cnl: Fix comment about AUX IO power well enable/disable
> 
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 137 ++++++++++++++++++++------------
>  1 file changed, 85 insertions(+), 52 deletions(-)

applied, thanks

-- 
t




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