Commit "30c964a drm/i915: Detect virtual south bridge" detects and
handles the southbridge emulated by vmware esx. Add the ich9 south
bridge emulated by 'qemu -M q35'.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
drivers/gpu/drm/i915/i915_drv.c | 3 ++-
drivers/gpu/drm/i915/i915_drv.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 760e0ce..a3c482e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -531,7 +531,8 @@ 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)) {
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 95bb27d..463ab22 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2604,6 +2604,7 @@ 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)
--
1.8.3.1
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