Fix MST support on Ice Lake

Bug #1854432 reported by Kai-Heng Feng
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
HWE Next
Fix Released
Undecided
Unassigned
linux (Ubuntu)
Fix Released
Undecided
Kai-Heng Feng
Bionic
Won't Fix
Undecided
Unassigned
Eoan
Fix Released
Undecided
Kai-Heng Feng
Focal
Fix Released
Undecided
Kai-Heng Feng
linux-oem-osp1 (Ubuntu)
Invalid
Undecided
Unassigned
Bionic
Fix Released
Undecided
Kai-Heng Feng
Eoan
Fix Released
Undecided
Unassigned
Focal
Invalid
Undecided
Unassigned

Bug Description

[Impact]
Some HDMI and DP doesn't count as external monitor on ICL MST.

[Fix]
Fix external port MST check on Ice Lake.

[Test]
DP and HDMI ports can only mirror display.
After applying this patch bot DP and HDMI ports can drive its own external display.

[Regression Potential]
Low. This fix targets Gen 11 and Gen 12 Intel graphics, older systems are unaffected.

tags: added: oem-priority originate-from-1853415 somerville
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1854432

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Changed in linux (Ubuntu Bionic):
status: New → Won't Fix
Changed in linux-oem-osp1 (Ubuntu Eoan):
status: New → Won't Fix
Changed in linux-oem-osp1 (Ubuntu):
status: New → Invalid
Revision history for this message
You-Sheng Yang (vicamo) wrote :
Changed in linux-oem-osp1 (Ubuntu Bionic):
status: New → In Progress
assignee: nobody → Kai-Heng Feng (kaihengfeng)
Changed in linux (Ubuntu Eoan):
status: New → In Progress
assignee: nobody → Kai-Heng Feng (kaihengfeng)
Changed in linux (Ubuntu Focal):
status: Incomplete → In Progress
assignee: nobody → Kai-Heng Feng (kaihengfeng)
Timo Aaltonen (tjaalton)
Changed in linux-oem-osp1 (Ubuntu Bionic):
status: In Progress → Fix Committed
Changed in linux (Ubuntu Eoan):
status: In Progress → Fix Committed
Changed in linux (Ubuntu Focal):
status: In Progress → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-oem-osp1 - 5.0.0-1033.38

---------------
linux-oem-osp1 (5.0.0-1033.38) bionic; urgency=medium

  * bionic/linux-oem-osp1: 5.0.0-1033.38 -proposed tracker (LP: #1856522)

  * change kconfig of the soundwire bus driver from y to m (LP: #1855685)
    - [config]: SOUNDWIRE=m

  * alsa/sof: change to use hda hdmi codec driver to make hdmi audio on the
    docking station work (LP: #1855666)
    - ALSA: hda/hdmi - implement mst_no_extra_pcms flag
    - ASoC: hdac_hda: add support for HDMI/DP as a HDA codec
    - ASoC: Intel: skl-hda-dsp-generic: use snd-hda-codec-hdmi
    - ASoC: Intel: skl-hda-dsp-generic: fix include guard name
    - ASoC: SOF: Intel: add support for snd-hda-codec-hdmi
    - ASoC: SOF: enable sync_write in hdac_bus
    - [config]: SND_SOC_SOF_HDA_COMMON_HDMI_CODEC=y

  * Support DPCD aux brightness control (LP: #1856134)
    - SAUCE: drm/i915: Fix eDP DPCD aux max backlight calculations
    - SAUCE: drm/i915: Assume 100% brightness when not in DPCD control mode
    - SAUCE: drm/i915: Fix DPCD register order in intel_dp_aux_enable_backlight()
    - SAUCE: drm/i915: Check backlight type while doing eDP backlight
      initializaiton
    - SAUCE: drm/i915: Auto detect DPCD backlight support by default
    - SAUCE: drm/i915: Force DPCD backlight mode on X1 Extreme 2nd Gen 4K AMOLED
      panel
    - SAUCE: drm/i915: Force DPCD backlight mode on Dell Precision 4K sku

  * Make hotplugging docking station to Thunderbolt port more reliable
    (LP: #1853991)
    - PCI: PM: Avoid skipping bus-level PM on platforms without ACPI
    - PCI: Make pcie_downstream_port() available outside of access.c
    - PCI/PM: Add pcie_wait_for_link_delay()
    - PCI/PM: Add missing link delays required by the PCIe spec

  * X crashes if set to external monitor only and then remove HDMI cable during
    suspend (LP: #1856517)
    - SAUCE: drm/i915/icl: add missing GT workaround

  * Fix Realtek Bluetooth firmware download (LP: #1856079)
    - Bluetooth: btrtl: Fix an issue that failing to download the FW which size is
      over 32K bytes

  * Fix unusable USB hub on Dell TB16 after S3 (LP: #1855312)
    - SAUCE: USB: core: Make port power cycle a seperate helper function
    - SAUCE: USB: core: Attempt power cycle port when it's in eSS.Disabled state

  * alsa/hda/realtek: the line-out jack doens't work on a dell AIO
    (LP: #1855999)
    - SAUCE: ALSA: hda/realtek - Line-out jack doesn't work on a Dell AIO

 -- Timo Aaltonen <email address hidden> Mon, 16 Dec 2019 14:56:37 +0200

Changed in linux-oem-osp1 (Ubuntu Bionic):
status: Fix Committed → Fix Released
Changed in linux-oem-osp1 (Ubuntu Eoan):
status: Won't Fix → Fix Released
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

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-eoan' to 'verification-done-eoan'. If the problem still exists, change the tag 'verification-needed-eoan' to 'verification-failed-eoan'.

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!

tags: added: verification-needed-eoan
tags: added: verification-done-eoan
removed: verification-needed-eoan
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (78.1 KiB)

This bug was fixed in the package linux - 5.3.0-40.32

---------------
linux (5.3.0-40.32) eoan; urgency=medium

  * eoan/linux: 5.3.0-40.32 -proposed tracker (LP: #1861214)

  * No sof soundcard for 'ASoC: CODEC DAI intel-hdmi-hifi1 not registered' after
    modprobe sof (LP: #1860248)
    - ASoC: SOF: Intel: fix HDA codec driver probe with multiple controllers

  * ocfs2-tools is causing kernel panics in Ubuntu Focal (Ubuntu-5.4.0-9.12)
    (LP: #1852122)
    - ocfs2: fix the crash due to call ocfs2_get_dlm_debug once less

  * QAT drivers for C3XXX and C62X not included as modules (LP: #1845959)
    - [Config] CRYPTO_DEV_QAT_C3XXX=m, CRYPTO_DEV_QAT_C62X=m and
      CRYPTO_DEV_QAT_DH895xCC=m

  * Eoan update: upstream stable patchset 2020-01-24 (LP: #1860816)
    - scsi: lpfc: Fix discovery failures when target device connectivity bounces
    - scsi: mpt3sas: Fix clear pending bit in ioctl status
    - scsi: lpfc: Fix locking on mailbox command completion
    - Input: atmel_mxt_ts - disable IRQ across suspend
    - f2fs: fix to update time in lazytime mode
    - iommu: rockchip: Free domain on .domain_free
    - iommu/tegra-smmu: Fix page tables in > 4 GiB memory
    - dmaengine: xilinx_dma: Clear desc_pendingcount in xilinx_dma_reset
    - scsi: target: compare full CHAP_A Algorithm strings
    - scsi: lpfc: Fix SLI3 hba in loop mode not discovering devices
    - scsi: csiostor: Don't enable IRQs too early
    - scsi: hisi_sas: Replace in_softirq() check in hisi_sas_task_exec()
    - powerpc/pseries: Mark accumulate_stolen_time() as notrace
    - powerpc/pseries: Don't fail hash page table insert for bolted mapping
    - powerpc/tools: Don't quote $objdump in scripts
    - dma-debug: add a schedule point in debug_dma_dump_mappings()
    - leds: lm3692x: Handle failure to probe the regulator
    - clocksource/drivers/asm9260: Add a check for of_clk_get
    - clocksource/drivers/timer-of: Use unique device name instead of timer
    - powerpc/security/book3s64: Report L1TF status in sysfs
    - powerpc/book3s64/hash: Add cond_resched to avoid soft lockup warning
    - ext4: update direct I/O read lock pattern for IOCB_NOWAIT
    - ext4: iomap that extends beyond EOF should be marked dirty
    - jbd2: Fix statistics for the number of logged blocks
    - scsi: tracing: Fix handling of TRANSFER LENGTH == 0 for READ(6) and WRITE(6)
    - scsi: lpfc: Fix duplicate unreg_rpi error in port offline flow
    - f2fs: fix to update dir's i_pino during cross_rename
    - clk: qcom: Allow constant ratio freq tables for rcg
    - clk: clk-gpio: propagate rate change to parent
    - irqchip/irq-bcm7038-l1: Enable parent IRQ if necessary
    - irqchip: ingenic: Error out if IRQ domain creation failed
    - fs/quota: handle overflows of sysctl fs.quota.* and report as unsigned long
    - scsi: lpfc: fix: Coverity: lpfc_cmpl_els_rsp(): Null pointer dereferences
    - PCI: rpaphp: Fix up pointer to first drc-info entry
    - scsi: ufs: fix potential bug which ends in system hang
    - powerpc/pseries/cmm: Implement release() function for sysfs device
    - PCI: rpaphp: Don't rely on firmware feature to imply drc-info support
    - PCI: rpaphp: Annotate and corr...

Changed in linux (Ubuntu Eoan):
status: Fix Committed → Fix Released
Timo Aaltonen (tjaalton)
Changed in hwe-next:
status: New → Fix Released
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