diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2017-09-21 16:19:20 +0200 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-09-26 18:14:28 +0200 |
| commit | 2ba7d7e0437127314864238f8bfcb8369d81075c (patch) | |
| tree | 8707fcde8c833f2112a6a60bcc8aeed584af09df /drivers/gpu/drm | |
| parent | drm/i915: remove redundant variable hw_check (diff) | |
| download | linux-2ba7d7e0437127314864238f8bfcb8369d81075c.tar.xz linux-2ba7d7e0437127314864238f8bfcb8369d81075c.zip | |
drm/i915/bios: ignore HDMI on port A
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: stable@vger.kernel.org
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Daniel Drake <dan@reactivated.net>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170921141920.18172-1-jani.nikula@intel.com
(cherry picked from commit d27ffc1d00327c29b3aa97f941b42f0949f9e99f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 183e87e8ea31..00c6aee0a9a1 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1163,6 +1163,13 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, 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; |