Re: [Intel-gfx] [PATCH v2] drm/i915: Only check eDP HPD when AUX CH is shared

2023-09-11 Thread Ville Syrjälä
On Mon, Sep 11, 2023 at 08:19:21AM +, Coelho, Luciano wrote: > On Fri, 2023-09-08 at 08:25 +0300, Ville Syrjala wrote: > > From: Ville Syrjälä > > > > Apparently Acer Chromebook C740 (BDW-ULT) doesn't have the > > eDP HPD line properly connected, and thus fails the new > > HPD check during

Re: [Intel-gfx] [PATCH v2] drm/i915: Only check eDP HPD when AUX CH is shared

2023-09-11 Thread Coelho, Luciano
On Fri, 2023-09-08 at 08:25 +0300, Ville Syrjala wrote: > From: Ville Syrjälä > > Apparently Acer Chromebook C740 (BDW-ULT) doesn't have the > eDP HPD line properly connected, and thus fails the new > HPD check during eDP probe. The result is that we lose the > eDP output. > > I suspect all

[Intel-gfx] [PATCH v2] drm/i915: Only check eDP HPD when AUX CH is shared

2023-09-07 Thread Ville Syrjala
From: Ville Syrjälä Apparently Acer Chromebook C740 (BDW-ULT) doesn't have the eDP HPD line properly connected, and thus fails the new HPD check during eDP probe. The result is that we lose the eDP output. I suspect all such machines would all be Chromebooks or other Linux exclusive systems as