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Name Last Modified Last Commit
master-next 2021-06-18 02:55:39 UTC 2021-06-18
PCI: Coalesce host bridge contiguous apertures

Author: Kai-Heng Feng
Author Date: 2021-06-07 16:39:09 UTC

PCI: Coalesce host bridge contiguous apertures

BugLink: https://bugs.launchpad.net/bugs/1931147

Built-in graphics on HP EliteDesk 805 G6 doesn't work because graphics
can't get the BAR it needs:

  pci_bus 0000:00: root bus resource [mem 0x10020200000-0x100303fffff window]
  pci_bus 0000:00: root bus resource [mem 0x10030400000-0x100401fffff window]

  pci 0000:00:08.1: bridge window [mem 0xd2000000-0xd23fffff]
  pci 0000:00:08.1: bridge window [mem 0x10030000000-0x100401fffff 64bit pref]
  pci 0000:00:08.1: can't claim BAR 15 [mem 0x10030000000-0x100401fffff 64bit pref]: no compatible bridge window
  pci 0000:00:08.1: [mem 0x10030000000-0x100401fffff 64bit pref] clipped to [mem 0x10030000000-0x100303fffff 64bit pref]
  pci 0000:00:08.1: bridge window [mem 0x10030000000-0x100303fffff 64bit pref]
  pci 0000:07:00.0: can't claim BAR 0 [mem 0x10030000000-0x1003fffffff 64bit pref]: no compatible bridge window
  pci 0000:07:00.0: can't claim BAR 2 [mem 0x10040000000-0x100401fffff 64bit pref]: no compatible bridge window

However, the root bus has two contiguous apertures that can contain the
child resource requested.

Coalesce contiguous apertures so we can allocate from the entire contiguous
region.

[bhelgaas: fold in https://lore.kernel.org/r/20210528170242.1564038-1-kai.heng.feng@canonical.com]
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=212013
Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20210401131252.531935-1-kai.heng.feng@canonical.com
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
(backported from commit 65db04053efea3f3e412a7e0cc599962999c96b4 linux-next)
[khfeng: minor API change]
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>

master 2021-05-07 12:42:23 UTC 2021-05-07
UBUNTU: Ubuntu-5.11.0-18.19

Author: Stefan Bader
Author Date: 2021-05-07 12:38:49 UTC

UBUNTU: Ubuntu-5.11.0-18.19

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

master-prep 2021-05-07 12:42:23 UTC 2021-05-07
UBUNTU: Ubuntu-5.11.0-18.19

Author: Stefan Bader
Author Date: 2021-05-07 12:38:49 UTC

UBUNTU: Ubuntu-5.11.0-18.19

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

master-5.10 2021-02-18 16:38:36 UTC 2021-02-18
UBUNTU: [Config] add ubuntu-drivers key to SYSTEM_TRUSTED_KEYS

Author: Andy Whitcroft
Author Date: 2021-02-18 16:17:54 UTC

UBUNTU: [Config] add ubuntu-drivers key to SYSTEM_TRUSTED_KEYS

Add the Canonical Ltd. Kernel Module Signing certificate to allow
external signing of kernel modules.

BugLink: https://bugs.launchpad.net/bugs/1898716
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>

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