On Thu, Sep 21, 2017 at 04:11:49PM +0300, Jani Nikula wrote:
> 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.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102889
> Cc: sta...@vger.kernel.org
> Cc: Imre Deak <imre.d...@intel.com>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
> ---
> drivers/gpu/drm/i915/intel_bios.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_bios.c
> b/drivers/gpu/drm/i915/intel_bios.c
> index 5949750a35ee..f85f736569f1 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -1162,6 +1162,11 @@ static void parse_ddi_port(struct drm_i915_private
> *dev_priv, enum port port,
> is_hdmi = is_dvi && (child->device_type & DEVICE_TYPE_NOT_HDMI_OUTPUT)
> == 0;
> is_edp = is_dp && (child->device_type & DEVICE_TYPE_INTERNAL_CONNECTOR);
>
> + if (port == PORT_A && is_hdmi) {
s/is_hdmi/is_dvi/
> + DRM_DEBUG_KMS("VBT claims port A supports HDMI, ignoring\n");
> + is_hdmi = false;
+ is_dvi = false;
> + }
> +
> info->supports_dvi = is_dvi;
> info->supports_hdmi = is_hdmi;
> info->supports_dp = is_dp;
> --
> 2.11.0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel OTC
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