Re: [PATCH v2] drm/i915/psr: WA for panels stating bad link status after PSR is enabled

2024-11-04 Thread Hogander, Jouni
On Fri, 2024-11-01 at 17:12 +0200, Imre Deak wrote: > On Tue, Oct 29, 2024 at 02:24:15PM +0200, Jouni Högander wrote: > > We are currently seeing unexpected link trainings with several > > different > > eDP panels. These are caused by these panels stating bad link > > status in > > their dpcd regis

Re: [PATCH v2] drm/i915/psr: WA for panels stating bad link status after PSR is enabled

2024-11-01 Thread Imre Deak
On Tue, Oct 29, 2024 at 02:24:15PM +0200, Jouni Högander wrote: > We are currently seeing unexpected link trainings with several different > eDP panels. These are caused by these panels stating bad link status in > their dpcd registers. This can be observed by doing following test: > > 1. Boot up

[PATCH v2] drm/i915/psr: WA for panels stating bad link status after PSR is enabled

2024-10-29 Thread Jouni Högander
We are currently seeing unexpected link trainings with several different eDP panels. These are caused by these panels stating bad link status in their dpcd registers. This can be observed by doing following test: 1. Boot up without Xe module loaded 2. Load Xe module with PSR disabled: $ modpr