git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/commit

author	Kai-Heng Feng <kai.heng.feng@canonical.com>
	Wed, 21 Aug 2019 05:10:04 +0000 (13:10 +0800)
committer	Joerg Roedel <jroedel@suse.de>
	Fri, 23 Aug 2019 08:26:48 +0000 (10:26 +0200)
commit	93d051550ee02eaff9a2541d825605a7bd778027
tree	720decc779cf2a641a26514ecb983a0be4549446	tree
parent	b9c6ff94e43a0ee053e0c1d983fba1ac4953b762	commit \| diff

iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems

Raven Ridge systems may have malfunction touchpad or hang at boot if
incorrect IVRS IOAPIC is provided by BIOS.

Users already found correct "ivrs_ioapic=" values, let's put them inside
kernel to workaround buggy BIOS.

BugLink: https://bugs.launchpad.net/bugs/1795292
BugLink: https://bugs.launchpad.net/bugs/1837688
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/Makefile		diff \| blob \| blame \| history
drivers/iommu/amd_iommu.h	[new file with mode: 0644]	blob
drivers/iommu/amd_iommu_init.c		diff \| blob \| blame \| history
drivers/iommu/amd_iommu_quirks.c	[new file with mode: 0644]	blob