> Date: Sat, 14 Oct 2017 13:17:33 +1100
> From: Jonathan Gray <j...@jsg.id.au>
> 
> >From linux 4.4.y/v4.4.92

Sure.

> 
> commit 33d1fa43aad4ca11f5d01ede363c1dbdd2010540
> Author:     Jani Nikula <jani.nik...@intel.com>
> AuthorDate: Thu Sep 21 17:19:20 2017 +0300
> Commit:     Greg Kroah-Hartman <gre...@linuxfoundation.org>
> CommitDate: Thu Oct 12 11:27:35 2017 +0200
> 
>     drm/i915/bios: ignore HDMI on port A
>     
>     commit 2ba7d7e0437127314864238f8bfcb8369d81075c upstream.
>     
>     The hardware state readout oopses after several warnings when trying to
>     use HDMI on port A, if such a combination is configured in VBT. Filter
>     the combo out already at the VBT parsing phase.
>     
>     v2: also ignore DVI (Ville)
>     
>     Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102889
>     Cc: Imre Deak <imre.d...@intel.com>
>     Reviewed-by: Ville Syrj<C3><A4>l<C3><A4> <ville.syrj...@linux.intel.com>
>     Tested-by: Daniel Drake <d...@reactivated.net>
>     Signed-off-by: Jani Nikula <jani.nik...@intel.com>
>     Link: 
> https://patchwork.freedesktop.org/patch/msgid/20170921141920.18172-1-jani.nik...@intel.com
>     (cherry picked from commit d27ffc1d00327c29b3aa97f941b42f0949f9e99f)
>     Signed-off-by: Rodrigo Vivi <rodrigo.v...@intel.com>
>     Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> 
>  drivers/gpu/drm/i915/intel_bios.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> Index: intel_bios.c
> ===================================================================
> RCS file: /cvs/src/sys/dev/pci/drm/i915/intel_bios.c,v
> retrieving revision 1.13
> diff -u -p -r1.13 intel_bios.c
> --- intel_bios.c      2 Jul 2017 20:58:55 -0000       1.13
> +++ intel_bios.c      14 Oct 2017 02:00:30 -0000
> @@ -963,6 +963,13 @@ static void parse_ddi_port(struct drm_i9
>       is_hdmi = is_dvi && (child->common.device_type & 
> DEVICE_TYPE_NOT_HDMI_OUTPUT) == 0;
>       is_edp = is_dp && (child->common.device_type & 
> DEVICE_TYPE_INTERNAL_CONNECTOR);
>  
> +     if (port == PORT_A && is_dvi) {
> +             DRM_DEBUG_KMS("VBT claims port A supports DVI%s, ignoring\n",
> +                           is_hdmi ? "/HDMI" : "");
> +             is_dvi = false;
> +             is_hdmi = false;
> +     }
> +
>       info->supports_dvi = is_dvi;
>       info->supports_hdmi = is_hdmi;
>       info->supports_dp = is_dp;
> 
> 

Reply via email to