Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()

2020-10-01 Thread Ville Syrjälä
On Wed, Jun 10, 2020 at 03:55:10PM +0800, 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]

Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()

2020-09-28 Thread Kai-Heng Feng
Hi Jani, > On Jul 10, 2020, at 23:48, Kai-Heng Feng wrote: > > > >> On Jun 30, 2020, at 16:37, Kai-Heng Feng wrote: >> >> >>> On Jun 10, 2020, at 15:55, Kai-Heng Feng >>> wrote: >>> >>> On HP 800 G4 DM, if HDMI cable isn't plugged before boot, the HDMI port >>> becomes useless and never

Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()

2020-07-10 Thread Kai-Heng Feng
> On Jun 30, 2020, at 16:37, Kai-Heng Feng wrote: > > >> On Jun 10, 2020, at 15:55, 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]]

Re: [PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()

2020-06-30 Thread Kai-Heng Feng
> On Jun 10, 2020, at 15:55, 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

[PATCH v6] drm/i915: Init lspcon after HPD in intel_dp_detect()

2020-06-10 Thread Kai-Heng Feng
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