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authorGerd Hoffmann <kraxel@redhat.com>2015-11-26 12:03:51 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-03-09 15:34:56 -0800
commitbdfa7f6e5338729b810b6a073d12addf4d85d7c4 (patch)
treedd1e13682c3b999fea4a1f95be3b6e1a8dfca07b
parentf4f0cca3c121f80706aa05b08f17f661df6396fc (diff)
drm/i915: more virtual south bridge detection
commit 39bfcd5235e07e95ad3e70eab8e0b85db181de9e upstream. 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 <kraxel@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c3
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
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 760e0ce4aa26..a3c482e59930 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 f4af19a0d569..d3ce4da6a6ad 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2614,6 +2614,7 @@ 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)