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Commit 39bfcd52 authored by Gerd Hoffmann's avatar Gerd Hoffmann Committed by Daniel Vetter
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drm/i915: more virtual south bridge detection 



Commit "30c964a6 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: default avatarGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 2e35c883

drivers/gpu/drm/i915/i915_drv.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/i915/i915_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -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)