Re: [PATCH v2 06/21] drm/i915/dp: Use a commit modeset for link retraining MST links

2024-05-23 Thread Imre Deak
On Thu, May 23, 2024 at 03:58:30PM +0300, Ville Syrjälä wrote: > On Mon, May 20, 2024 at 09:58:04PM +0300, Imre Deak wrote: > > Instead of direct calls to the link train functions, retrain the link > > via a commit modeset. The direct call means that the output port will be > > disabled/re-enabled

Re: [PATCH v2 06/21] drm/i915/dp: Use a commit modeset for link retraining MST links

2024-05-23 Thread Ville Syrjälä
On Mon, May 20, 2024 at 09:58:04PM +0300, Imre Deak wrote: > Instead of direct calls to the link train functions, retrain the link > via a commit modeset. The direct call means that the output port will be > disabled/re-enabled while the rest of the pipeline (transcoder) is > active, which doesn't

[PATCH v2 06/21] drm/i915/dp: Use a commit modeset for link retraining MST links

2024-05-20 Thread Imre Deak
Instead of direct calls to the link train functions, retrain the link via a commit modeset. The direct call means that the output port will be disabled/re-enabled while the rest of the pipeline (transcoder) is active, which doesn't seem to work on MST at least. It leads to underruns and black scree