From: <gregkh@linuxfoundation.org>
To: kraxel@redhat.com, daniel.vetter@ffwll.ch, gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "drm/i915: more virtual south bridge detection" has been added to the 4.4-stable tree
Date: Mon, 07 Mar 2016 15:41:41 -0800 [thread overview]
Message-ID: <1457394101113136@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
drm/i915: more virtual south bridge detection
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-more-virtual-south-bridge-detection.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 39bfcd5235e07e95ad3e70eab8e0b85db181de9e Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 26 Nov 2015 12:03:51 +0100
Subject: drm/i915: more virtual south bridge detection
From: Gerd Hoffmann <kraxel@redhat.com>
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>
---
drivers/gpu/drm/i915/i915_drv.c | 3 ++-
drivers/gpu/drm/i915/i915_drv.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
--- 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_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;
--- 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)
Patches currently in stable-queue which might be from kraxel@redhat.com are
queue-4.4/drm-i915-more-virtual-south-bridge-detection.patch
queue-4.4/drm-i915-refine-qemu-south-bridge-detection.patch
reply other threads:[~2016-03-07 23:41 UTC|newest]
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