diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f7410cffa8c..2b99ab23dc8 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1374,8 +1374,22 @@ static int intel_dp_get_modes(struct drm_connector *connector) */ ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); - if (ret) + if (ret) { + if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) && + !dev_priv->panel_fixed_mode) { + struct drm_display_mode *newmode; + list_for_each_entry(newmode, &connector->probed_modes, + head) { + if (newmode->type & DRM_MODE_TYPE_PREFERRED) { + dev_priv->panel_fixed_mode = + drm_mode_duplicate(dev, newmode); + break; + } + } + } + return ret; + } /* if eDP has no EDID, try to use fixed panel mode from VBT */ if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) { |