2 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 649e20aaa3ff..90faa8e03fca 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -565,7 +565,8 @@ void intel_detect_pch(struct drm_device *dev)
                                 DRM_DEBUG_KMS("Found SunrisePoint LP PCH\n");
                                 WARN_ON(!IS_SKYLAKE(dev) &&
                                         !IS_KABYLAKE(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)) {
                                 dev_priv->pch_type = intel_virt_detect_pch(dev);
                         } else
                                 continue;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 3d8741eff7d3..439226d39437 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2609,6 +2609,7 @@ struct drm_i915_cmd_table {
 #define INTEL_PCH_SPT_DEVICE_ID_TYPE            0xA100
 #define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE         0x9D00
 #define INTEL_PCH_P2X_DEVICE_ID_TYPE            0x7100
+#define INTEL_PCH_QEMU_DEVICE_ID_TYPE           0x2900 /* qemu q35 has 2918 */
 
 #define INTEL_PCH_TYPE(dev) (__I915__(dev)->pch_type)
 #define HAS_PCH_SPT(dev) (INTEL_PCH_TYPE(dev) == PCH_SPT)