diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 2e266277f035..81502e8be26b 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -1056,14 +1056,23 @@ bool intel_lvds_init(struct drm_device *dev) list_for_each_entry(scan, &connector->probed_modes, head) { if (scan->type & DRM_MODE_TYPE_PREFERRED) { + DRM_DEBUG_KMS("using preferred mode from EDID: "); + drm_mode_debug_printmodeline(scan); + fixed_mode = drm_mode_duplicate(dev, scan); - intel_find_lvds_downclock(dev, fixed_mode, connector); - goto out; + if (fixed_mode) { + intel_find_lvds_downclock(dev, fixed_mode, + connector); + goto out; + } } } /* Failed to get EDID, what about VBT? */ if (dev_priv->lfp_lvds_vbt_mode) { + DRM_DEBUG_KMS("using mode from VBT: "); + drm_mode_debug_printmodeline(dev_priv->lfp_lvds_vbt_mode); + fixed_mode = drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); if (fixed_mode) { fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; @@ -1088,6 +1097,8 @@ bool intel_lvds_init(struct drm_device *dev) if (crtc && (lvds & LVDS_PORT_EN)) { fixed_mode = intel_crtc_mode_get(dev, crtc); if (fixed_mode) { + DRM_DEBUG_KMS("using current (BIOS) mode: "); + drm_mode_debug_printmodeline(fixed_mode); fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; goto out; } |