drm/i915: Fix hpd live status bits for g4x

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / i915_drv.c

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 760e0ce4aa26941c1ebd8d96706ccdbe3b7d7154..a6ad938f44a68f736e30921ad04094a73cab0668 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -531,7 +531,10 @@ void intel_detect_pch(struct drm_device *dev)
                                dev_priv->pch_type = PCH_SPT;
                                DRM_DEBUG_KMS("Found SunrisePoint LP PCH\n");
                                WARN_ON(!IS_SKYLAKE(dev));
-                       } else if (id == INTEL_PCH_P2X_DEVICE_ID_TYPE) {
+                       } else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) ||
+                                  ((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) &&
+                                   pch->subsystem_vendor == 0x1af4 &&
+                                   pch->subsystem_device == 0x1100)) {
                                dev_priv->pch_type = intel_virt_detect_pch(dev);
                        } else
                                continue;