Re: [Intel-gfx] [PATCH v2] drm/i915: Re-init lspcon after HPD if lspcon probe failed

> On Dec 24, 2019, at 01:36, Jani Nikula wrote: > > On Tue, 24 Dec 2019, Kai-Heng Feng wrote: >> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port >> becomes useless and never responds to cable hotplugging: >> [3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to pro

Re: [Intel-gfx] [PATCH v2] drm/i915: Re-init lspcon after HPD if lspcon probe failed

On Tue, 24 Dec 2019, Kai-Heng Feng wrote: > On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port > becomes useless and never responds to cable hotplugging: > [3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon > [3.031945] [drm:intel_ddi_init [i915]] *ERRO

[Intel-gfx] [PATCH v2] drm/i915: Re-init lspcon after HPD if lspcon probe failed

On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port becomes useless and never responds to cable hotplugging: [3.031904] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon [3.031945] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D Seems like the lsp