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-rw-r--r--drivers/gpu/drm/i915/intel_bios.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index da22863c05c0..7cc447191028 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -97,6 +97,7 @@ static void
parse_lfp_panel_data(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
+ struct drm_device *dev = dev_priv->dev;
struct bdb_lvds_options *lvds_options;
struct bdb_lvds_lfp_data *lvds_lfp_data;
struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
@@ -132,7 +133,14 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv,
entry = (struct bdb_lvds_lfp_data_entry *)
((uint8_t *)lvds_lfp_data->data + (lfp_data_size *
lvds_options->panel_type));
- dvo_timing = &entry->dvo_timing;
+
+ /* On IGDNG mobile, LVDS data block removes panel fitting registers.
+ So dec 2 dword from dvo_timing offset */
+ if (IS_IGDNG(dev))
+ dvo_timing = (struct lvds_dvo_timing *)
+ ((u8 *)&entry->dvo_timing - 8);
+ else
+ dvo_timing = &entry->dvo_timing;
panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);