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-rw-r--r--drivers/gpu/drm/i915/i915_drv.h2
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c13
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c9
3 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e33c380b43e3..3302b3d4d974 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1052,6 +1052,7 @@ struct intel_vbt_data {
unsigned int lvds_vbt:1;
unsigned int int_crt_support:1;
unsigned int lvds_use_ssc:1;
+ unsigned int int_lvds_support:1;
unsigned int display_clock_mode:1;
unsigned int fdi_rx_polarity_inverted:1;
unsigned int panel_type:4;
@@ -1067,7 +1068,6 @@ struct intel_vbt_data {
int vswing;
bool low_vswing;
bool initialized;
- bool support;
int bpp;
struct edp_power_seq pps;
} edp;
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 54270bdde100..5c863e2714ec 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -518,8 +518,9 @@ parse_driver_features(struct drm_i915_private *dev_priv,
if (!driver)
return;
- if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
- dev_priv->vbt.edp.support = 1;
+ if (INTEL_GEN(dev_priv) >= 5 &&
+ driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
+ dev_priv->vbt.int_lvds_support = 0;
DRM_DEBUG_KMS("DRRS State Enabled:%d\n", driver->drrs_enabled);
/*
@@ -542,11 +543,8 @@ parse_edp(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
int panel_type = dev_priv->vbt.panel_type;
edp = find_section(bdb, BDB_EDP);
- if (!edp) {
- if (dev_priv->vbt.edp.support)
- DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported.\n");
+ if (!edp)
return;
- }
switch ((edp->color_depth >> (panel_type * 2)) & 3) {
case EDP_18BPP:
@@ -1513,6 +1511,9 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
dev_priv->vbt.int_tv_support = 1;
dev_priv->vbt.int_crt_support = 1;
+ /* driver features */
+ dev_priv->vbt.int_lvds_support = 1;
+
/* Default to using SSC */
dev_priv->vbt.lvds_use_ssc = 1;
/*
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 17f297dca296..bacad88ad7ae 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -1003,6 +1003,11 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
if (dmi_check_system(intel_no_lvds))
return;
+ if (!dev_priv->vbt.int_lvds_support) {
+ DRM_DEBUG_KMS("Internal LVDS support disabled by VBT\n");
+ return;
+ }
+
if (HAS_PCH_SPLIT(dev_priv))
lvds_reg = PCH_LVDS;
else
@@ -1013,10 +1018,6 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
if (HAS_PCH_SPLIT(dev_priv)) {
if ((lvds & LVDS_DETECTED) == 0)
return;
- if (dev_priv->vbt.edp.support) {
- DRM_DEBUG_KMS("disable LVDS for eDP support\n");
- return;
- }
}
pin = GMBUS_PIN_PANEL;