Select correct boot VGA when BIOS doesn't do it properly

[Kai-Heng Feng]

[Impact]
On HP EliteDesk 805 G7 desktop, when a add-in discrete GFX card is
present but the display is connected to integrated GPU, BIOS cannot find
the correct boot VGA. Hence, wrong OpenGL/Vulkan library is used, makes
the desktop environment very laggy.

[Fix]
The current heuristic picks the fallback VGA device with lowest PCI
device number. Based on the current heuristic, also check for ACPI video
device which should be the integrated VGA device.

[Test]
Check if the integrated GPU is the boot VGA:
$ cat /sys/bus/pci/devices/0000\:08\:00.0/boot_vga
0

After applying the patch:
$ cat /sys/bus/pci/devices/0000\:08\:00.0/boot_vga
1

[Where problems could occur]
When there are multiple GPUs that are ACPI video devices, and BIOS
failed to find a VGA to POST, the new heuristic introduces new behavior.

Since multiple ACPI video devices are on laptops, the EFI base should
already be correct otherwise there's no POST. If that really happens the
laptop is completely broken at first place.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-hirsute' to 'verification-done-hirsute'. If the problem still exists, change the tag 'verification-needed-hirsute' to 'verification-failed-hirsute'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-oem-5.10 - 5.10.0-1032.33

---------------
linux-oem-5.10 (5.10.0-1032.33) focal; urgency=medium

  * focal/linux-oem-5.10: 5.10.0-1032.33 -proposed tracker (LP: #1932138)

  * Mute/Mic mute LEDs and right speaker are not work on HP platforms
    (LP: #1932055)
    - ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Elite Dragonfly
      G2
    - ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP EliteBook x360
      1040 G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook 840 Aero G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP ZBook Power G8

 -- Timo Aaltonen <email address hidden> Wed, 16 Jun 2021 15:27:58 +0300

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 5.11.0-20.21+21.10.1

---------------
linux (5.11.0-20.21+21.10.1) impish; urgency=medium

  * impish/linux: 5.11.0-20.21+21.10.1 -proposed tracker (LP: #1930056)

  * Packaging resync (LP: #1786013)
    - update dkms package versions

  [ Ubuntu: 5.11.0-20.21 ]

  * hirsute/linux: 5.11.0-20.21 -proposed tracker (LP: #1930854)
  * ath11k WIFI not working in proposed kernel 5.11.0-19-generic (LP: #1930637)
    - bus: mhi: core: Download AMSS image from appropriate function

  [ Ubuntu: 5.11.0-19.20 ]

  * hirsute/linux: 5.11.0-19.20 -proposed tracker (LP: #1930075)
  * Packaging resync (LP: #1786013)
    - update dkms package versions
  * CVE-2021-33200
    - bpf: Wrap aux data inside bpf_sanitize_info container
    - bpf: Fix mask direction swap upon off reg sign change
    - bpf: No need to simulate speculative domain for immediates
  * AX201 BT will cause system could not enter S0i3 (LP: #1928047)
    - SAUCE: drm/i915: Tweaked Wa_14010685332 for all PCHs
  * CVE-2021-3490
    - SAUCE: Revert "UBUNTU: SAUCE: bpf: verifier: fix ALU32 bounds tracking with
      bitwise ops"
    - gpf: Fix alu32 const subreg bound tracking on bitwise operations
  * CVE-2021-3489
    - SAUCE: Revert "UBUNTU: SAUCE: bpf: prevent writable memory-mapping of read-
      only ringbuf pages"
    - bpf: Prevent writable memory-mapping of read-only ringbuf pages
  * Select correct boot VGA when BIOS doesn't do it properly (LP: #1929217)
    - vgaarb: Use ACPI HID name to find integrated GPU
  * Realtek USB hubs in Dell WD19SC/DC/TB fail to work after exiting s2idle
    (LP: #1928242)
    - USB: Verify the port status when timeout happens during port suspend
  * CVE-2020-26145
    - ath10k: drop fragments with multicast DA for SDIO
    - ath10k: add CCMP PN replay protection for fragmented frames for PCIe
    - ath10k: drop fragments with multicast DA for PCIe
  * CVE-2020-26141
    - ath10k: Fix TKIP Michael MIC verification for PCIe
  * CVE-2020-24587
    - ath11k: Clear the fragment cache during key install
  * CVE-2020-24588
    - mac80211: properly handle A-MSDUs that start with an RFC 1042 header
    - cfg80211: mitigate A-MSDU aggregation attacks
    - mac80211: drop A-MSDUs on old ciphers
    - ath10k: drop MPDU which has discard flag set by firmware for SDIO
  * CVE-2020-26139
    - mac80211: do not accept/forward invalid EAPOL frames
  * CVE-2020-24586 // CVE-2020-24587 // CVE-2020-24587 for such cases.
    - mac80211: extend protection against mixed key and fragment cache attacks
  * CVE-2020-24586 // CVE-2020-24587
    - mac80211: prevent mixed key and fragment cache attacks
    - mac80211: add fragment cache to sta_info
    - mac80211: check defrag PN against current frame
    - mac80211: prevent attacks on TKIP/WEP as well
  * CVE-2020-26147
    - mac80211: assure all fragments are encrypted
  * raid10: Block discard is very slow, causing severe delays for mkfs and
    fstrim operations (LP: #1896578)
    - md: add md_submit_discard_bio() for submitting discard bio
    - md/raid10: extend r10bio devs to raid disks
    - md/raid10: pull the code that wait for blocked dev into one function
    - md/raid10: improve ra...

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 5.11.0-22.23

---------------
linux (5.11.0-22.23) hirsute; urgency=medium

  * UAF on CAN J1939 j1939_can_recv (LP: #1932209)
    - SAUCE: can: j1939: delay release of j1939_priv after synchronize_rcu

  * UAF on CAN BCM bcm_rx_handler (LP: #1931855)
    - SAUCE: can: bcm: delay release of struct bcm_op after synchronize_rcu

linux (5.11.0-20.21) hirsute; urgency=medium

  * hirsute/linux: 5.11.0-20.21 -proposed tracker (LP: #1930854)

  * ath11k WIFI not working in proposed kernel 5.11.0-19-generic (LP: #1930637)
    - bus: mhi: core: Download AMSS image from appropriate function

linux (5.11.0-19.20) hirsute; urgency=medium

  * hirsute/linux: 5.11.0-19.20 -proposed tracker (LP: #1930075)

  * Packaging resync (LP: #1786013)
    - update dkms package versions

  * CVE-2021-33200
    - bpf: Wrap aux data inside bpf_sanitize_info container
    - bpf: Fix mask direction swap upon off reg sign change
    - bpf: No need to simulate speculative domain for immediates

  * AX201 BT will cause system could not enter S0i3 (LP: #1928047)
    - SAUCE: drm/i915: Tweaked Wa_14010685332 for all PCHs

  * CVE-2021-3490
    - SAUCE: Revert "UBUNTU: SAUCE: bpf: verifier: fix ALU32 bounds tracking with
      bitwise ops"
    - gpf: Fix alu32 const subreg bound tracking on bitwise operations

  * CVE-2021-3489
    - SAUCE: Revert "UBUNTU: SAUCE: bpf: prevent writable memory-mapping of read-
      only ringbuf pages"
    - bpf: Prevent writable memory-mapping of read-only ringbuf pages

  * Select correct boot VGA when BIOS doesn't do it properly (LP: #1929217)
    - vgaarb: Use ACPI HID name to find integrated GPU

  * Realtek USB hubs in Dell WD19SC/DC/TB fail to work after exiting s2idle
    (LP: #1928242)
    - USB: Verify the port status when timeout happens during port suspend

  * CVE-2020-26145
    - ath10k: drop fragments with multicast DA for SDIO
    - ath10k: add CCMP PN replay protection for fragmented frames for PCIe
    - ath10k: drop fragments with multicast DA for PCIe

  * CVE-2020-26141
    - ath10k: Fix TKIP Michael MIC verification for PCIe

  * CVE-2020-24587
    - ath11k: Clear the fragment cache during key install

  * CVE-2020-24588
    - mac80211: properly handle A-MSDUs that start with an RFC 1042 header
    - cfg80211: mitigate A-MSDU aggregation attacks
    - mac80211: drop A-MSDUs on old ciphers
    - ath10k: drop MPDU which has discard flag set by firmware for SDIO

  * CVE-2020-26139
    - mac80211: do not accept/forward invalid EAPOL frames

  * CVE-2020-24586 // CVE-2020-24587 // CVE-2020-24587 for such cases.
    - mac80211: extend protection against mixed key and fragment cache attacks

  * CVE-2020-24586 // CVE-2020-24587
    - mac80211: prevent mixed key and fragment cache attacks
    - mac80211: add fragment cache to sta_info
    - mac80211: check defrag PN against current frame
    - mac80211: prevent attacks on TKIP/WEP as well

  * CVE-2020-26147
    - mac80211: assure all fragments are encrypted

  * raid10: Block discard is very slow, causing severe delays for mkfs and
    fstrim operations (LP: #1896578)
    - md: add md_submit_discard_bio() for submitting discard bio
    - ...