Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_lvds.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_lvds.c
b/drivers/gpu/drm/i915/intel_lvds.c
index 860fa71..5b38c17 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -1083,6 +1083,9 @@ 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;
@@ -1091,6 +1094,9 @@ bool intel_lvds_init(struct drm_device *dev)
/* 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;
@@ -1115,8 +1121,11 @@ bool intel_lvds_init(struct drm_device *dev)
if (crtc && (lvds & LVDS_PORT_EN)) {
struct drm_display_mode mode;
- if (intel_crtc_get_mode(crtc, &mode))
+ if (intel_crtc_get_mode(crtc, &mode)) {
+ DRM_DEBUG_KMS("using current (BIOS) mode: ");
+ drm_mode_debug_printmodeline(&mode);
fixed_mode = drm_mode_duplicate(dev, &mode);
+ }
if (fixed_mode) {
fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
fixed_mode->flags =
intel_lvds_get_mode_flags(intel_encoder);
--
1.7.10.4
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