Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755395AbbGOJlc (ORCPT ); Wed, 15 Jul 2015 05:41:32 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:45367 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753533AbbGOJOw (ORCPT ); Wed, 15 Jul 2015 05:14:52 -0400 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Chris Wilson , Daniel Vetter , Jani Nikula , Luis Henriques Subject: [PATCH 3.16.y-ckt 119/185] agp/intel: Fix typo in needs_ilk_vtd_wa() Date: Wed, 15 Jul 2015 10:11:54 +0100 Message-Id: <1436951580-15977-120-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1436951580-15977-1-git-send-email-luis.henriques@canonical.com> References: <1436951580-15977-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.16 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1989 Lines: 49 3.16.7-ckt15 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Chris Wilson commit 8b572a4200828b4e75cc22ed2f494b58d5372d65 upstream. In needs_ilk_vtd_wa(), we pass in the GPU device but compared it against the ids for the mobile GPU and the mobile host bridge. That latter is impossible and so likely was just a typo for the desktop GPU device id (which is also buggy). Fixes commit da88a5f7f7d434e2cde1b3e19d952e6d84533662 Author: Chris Wilson Date: Wed Feb 13 09:31:53 2013 +0000 drm/i915: Disable WC PTE updates to w/a buggy IOMMU on ILK Reported-by: Ting-Wei Lan Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91127 References: https://bugzilla.freedesktop.org/show_bug.cgi?id=60391 Signed-off-by: Chris Wilson Cc: Daniel Vetter Reviewed-by: Daniel Vetter Signed-off-by: Jani Nikula Signed-off-by: Luis Henriques --- drivers/char/agp/intel-gtt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 9a024f899dd4..9a99d0a3ff08 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -585,7 +585,7 @@ static inline int needs_ilk_vtd_wa(void) /* Query intel_iommu to see if we need the workaround. Presumably that * was loaded first. */ - if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || + if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG || gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) && intel_iommu_gfx_mapped) return 1; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/