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From: Gerd Hoffmann <kraxel@redhat.com>
To: intel-gfx@lists.freedesktop.org
Cc: igvt-g@ml01.01.org, David Airlie <airlied@linux.ie>,
	"open list:INTEL DRM DRIVERS excluding Poulsbo, Moorestow...,
	linux-kernel@vger.kernel.org open list"
	<dri-devel@lists.freedesktop.org>,
	Daniel Vetter <daniel.vetter@intel.com>
Subject: [PATCH] drm/i915: more virtual south bridge detection
Date: Thu, 26 Nov 2015 12:03:51 +0100	[thread overview]
Message-ID: <1448535832-4642-1-git-send-email-kraxel@redhat.com> (raw)

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>
---
 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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             reply	other threads:[~2015-11-26 11:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-26 11:03 Gerd Hoffmann [this message]
2015-11-26 14:19 ` [Intel-gfx] [PATCH] drm/i915: more virtual south bridge detection Daniel Vetter

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