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-rw-r--r--drivers/gpu/drm/i915/intel_bios.h18
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c3
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index f439c147368a..f580a2b0ddd3 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -654,6 +654,24 @@ int intel_parse_bios(struct drm_device *dev);
#define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1)
#define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0)
+/*
+ * Bits we care about when checking for DEVICE_TYPE_eDP
+ * Depending on the system, the other bits may or may not
+ * be set for eDP outputs.
+ */
+#define DEVICE_TYPE_eDP_BITS \
+ (DEVICE_TYPE_INTERNAL_CONNECTOR | \
+ DEVICE_TYPE_NOT_HDMI_OUTPUT | \
+ DEVICE_TYPE_MIPI_OUTPUT | \
+ DEVICE_TYPE_COMPOSITE_OUTPUT | \
+ DEVICE_TYPE_DUAL_CHANNEL | \
+ DEVICE_TYPE_LVDS_SINGALING | \
+ DEVICE_TYPE_TMDS_DVI_SIGNALING | \
+ DEVICE_TYPE_VIDEO_SIGNALING | \
+ DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
+ DEVICE_TYPE_DIGITAL_OUTPUT | \
+ DEVICE_TYPE_ANALOG_OUTPUT)
+
/* define the DVO port for HDMI output type */
#define DVO_B 1
#define DVO_C 2
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 7619eae35b25..d58fbb6b5ffd 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3284,7 +3284,8 @@ bool intel_dpd_is_edp(struct drm_device *dev)
p_child = dev_priv->vbt.child_dev + i;
if (p_child->common.dvo_port == PORT_IDPD &&
- p_child->common.device_type == DEVICE_TYPE_eDP)
+ (p_child->common.device_type & DEVICE_TYPE_eDP_BITS) ==
+ (DEVICE_TYPE_eDP & DEVICE_TYPE_eDP_BITS))
return true;
}
return false;