From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com ([192.55.52.115]:59940 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751387AbdIUNQN (ORCPT ); Thu, 21 Sep 2017 09:16:13 -0400 Date: Thu, 21 Sep 2017 16:16:09 +0300 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: Jani Nikula Cc: intel-gfx@lists.freedesktop.org, stable@vger.kernel.org Subject: Re: [Intel-gfx] [PATCH] drm/i915/bios: ignore HDMI on port A Message-ID: <20170921131609.GJ4914@intel.com> References: <20170921131149.25872-1-jani.nikula@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20170921131149.25872-1-jani.nikula@intel.com> Sender: stable-owner@vger.kernel.org List-ID: 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: stable@vger.kernel.org > Cc: Imre Deak > Signed-off-by: Jani Nikula > --- > 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 Syrj�l� Intel OTC