Per Adam Jackson, drop linux-2.6-intel-iommu-igfx.patch

1 files changed, 0 insertions, 75 deletions

diff --git a/linux-2.6-intel-iommu-igfx.patch b/linux-2.6-intel-iommu-igfx.patch
deleted file mode 100644
index 3a45abaec..000000000
--- a/linux-2.6-intel-iommu-igfx.patch
+++ /dev/null
@@ -1,75 +0,0 @@
-From 602e1f209dd983e40d989e871cd253e8187899b8 Mon Sep 17 00:00:00 2001
-From: drago01 <drago01@gmail.com>
-Date: Wed, 26 Oct 2011 13:37:27 -0400
-Subject: [PATCH] Default to igfx_off
-
-This option seems to causes way to many issues, it is
-being investigated by Intel's chipset team for months now and
-we still don't have any outcome.
-
-The results so far are "black screen when starting X",
-"system hangs when using GL", "system does not resume".
-
-The patch adds an intel_iommu=igfx_on option, which makes it opt in,
-rather than opt out.
-
-Signed-off-by: Adel Gadllah <adel.gadllah@gmail.com>
-Reviewed-by: Adam Jackson <ajax@redhat.com>
----
- Documentation/kernel-parameters.txt |   11 +++++------
- drivers/iommu/intel-iommu.c         |    9 +++++----
- 2 files changed, 10 insertions(+), 10 deletions(-)
-
-diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
-index 81c287f..ee5693b 100644
---- a/Documentation/kernel-parameters.txt
-+++ b/Documentation/kernel-parameters.txt
-@@ -1014,12 +1014,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
- 			Enable intel iommu driver.
- 		off
- 			Disable intel iommu driver.
--		igfx_off [Default Off]
--			By default, gfx is mapped as normal device. If a gfx
--			device has a dedicated DMAR unit, the DMAR unit is
--			bypassed by not enabling DMAR with this option. In
--			this case, gfx device will use physical address for
--			DMA.
-+		igfx_on [Default Off]
-+			By default, the gfx's DMAR unit is bypassed by not enabling
-+			DMAR with this option. So the gfx device will use physical
-+			address for DMA. When this option is enabled it the gfx is
-+			mapped as normal device.
- 		forcedac [x86_64]
- 			With this option iommu will not optimize to look
- 			for io virtual address below 32-bit forcing dual
-diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
-index bdc447f..240db6b 100644
---- a/drivers/iommu/intel-iommu.c
-+++ b/drivers/iommu/intel-iommu.c
-@@ -408,7 +408,8 @@ int dmar_disabled = 1;
- int intel_iommu_enabled = 0;
- EXPORT_SYMBOL_GPL(intel_iommu_enabled);
- 
--static int dmar_map_gfx = 1;
-+/* disabled by default; causes way too many issues */
-+static int dmar_map_gfx = 0;
- static int dmar_forcedac;
- static int intel_iommu_strict;
- static int intel_iommu_superpage = 1;
-@@ -433,10 +434,10 @@ static int __init intel_iommu_setup(char *str)
- 		} else if (!strncmp(str, "off", 3)) {
- 			dmar_disabled = 1;
- 			printk(KERN_INFO "Intel-IOMMU: disabled\n");
--		} else if (!strncmp(str, "igfx_off", 8)) {
--			dmar_map_gfx = 0;
-+		} else if (!strncmp(str, "igfx_on", 7)) {
-+			dmar_map_gfx = 1;
- 			printk(KERN_INFO
--				"Intel-IOMMU: disable GFX device mapping\n");
-+				"Intel-IOMMU: enabled GFX device mapping\n");
- 		} else if (!strncmp(str, "forcedac", 8)) {
- 			printk(KERN_INFO
- 				"Intel-IOMMU: Forcing DAC for PCI devices\n");
--- 
-1.7.7.4
-