1
0
Fork 0
alistair23-linux/drivers/pci
Bjorn Helgaas a44625dc0b Revert "PCI/PM: Assume ports without DLL Link Active train links in 100 ms"
[ Upstream commit d08c30d7a0 ]

This reverts commit ec411e02b7.

Patrick reported that this commit broke hybrid graphics on a ThinkPad X1
Extreme 2nd with Intel UHD Graphics 630 and NVIDIA GeForce GTX 1650 Mobile:

  nouveau 0000:01:00.0: fifo: PBDMA0: 01000000 [] ch 0 [00ff992000 DRM] subc 0 mthd 0008 data 00000000

Karol reported that this commit broke Nouveau firmware loading on a Lenovo
P1G2 with Intel UHD Graphics 630 and NVIDIA TU117GLM [Quadro T1000 Mobile]:

  nouveau 0000:01:00.0: acr: AHESASC binary failed

In both cases, reverting ec411e02b7 solved the problem.  Unfortunately,
this revert will reintroduce the "Thunderbolt bridges take long time to
resume from D3cold" problem:
https://bugzilla.kernel.org/show_bug.cgi?id=206837

Link: https://lore.kernel.org/r/CAErSpo5sTeK_my1dEhWp7aHD0xOp87+oHYWkTjbL7ALgDbXo-Q@mail.gmail.com
Link: https://lore.kernel.org/r/CACO55tsAEa5GXw5oeJPG=mcn+qxNvspXreJYWDJGZBy5v82JDA@mail.gmail.com
Link: https://bugzilla.kernel.org/show_bug.cgi?id=208597
Reported-by: Patrick Volkerding <volkerdi@gmail.com>
Reported-by: Karol Herbst <kherbst@redhat.com>
Fixes: ec411e02b7 ("PCI/PM: Assume ports without DLL Link Active train links in 100 ms")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-29 10:18:34 +02:00
..
controller irqdomain/treewide: Keep firmware node unconditionally allocated 2020-07-29 10:18:28 +02:00
endpoint PCI: endpoint: Fix for concurrent memory allocation in OB address region 2020-04-17 10:50:11 +02:00
hotplug PCI: pciehp: Prevent deadlock on disconnect 2020-04-29 16:33:04 +02:00
pcie PCI/PTM: Inherit Switch Downstream Port PTM settings from Upstream Port 2020-06-24 17:50:31 +02:00
switch PCI/switchtec: Fix init_completion race condition with poll_wait() 2020-04-17 10:50:02 +02:00
Kconfig pci-v5.4-changes 2019-09-23 19:16:01 -07:00
Makefile PCI: OF: Allow of_pci_get_max_link_speed() to be used by PCI Endpoint drivers 2019-04-15 13:24:02 +01:00
access.c PCI: Make pcie_downstream_port() available outside of access.c 2019-09-07 07:45:25 -05:00
ats.c PCI: Fix typos and whitespace errors 2019-07-09 07:24:53 -05:00
bus.c PCI: Unexport pci_bus_get() and pci_bus_put() 2019-07-23 18:32:49 -05:00
ecam.c
host-bridge.c
iov.c PCI/IOV: Fix memory leak in pci_iov_add_virtfn() 2020-02-14 16:34:08 -05:00
irq.c
mmap.c PCI: Fix typos and whitespace errors 2019-07-09 07:24:53 -05:00
msi.c PCI/MSI: Fix incorrect MSI-X masking on resume 2019-12-21 11:04:28 +01:00
of.c PCI: OF: Correct of_irq_parse_pci() documentation 2019-08-30 14:00:34 -05:00
p2pdma.c PCI/P2PDMA: Update pci_p2pdma_distance_many() documentation 2019-08-16 08:41:59 -05:00
pci-acpi.c Merge branch 'pci/enumeration' 2019-09-23 16:10:08 -05:00
pci-bridge-emul.c PCI: pci-bridge-emul: Fix PCIe bit conflicts 2020-06-24 17:50:15 +02:00
pci-bridge-emul.h PCI: pci-bridge-emul: Extend pci_bridge_emul_init() with flags 2019-02-22 10:51:14 +00:00
pci-driver.c PCI/PM: Add missing link delays required by the PCIe spec 2020-04-29 16:33:06 +02:00
pci-label.c
pci-mid.c x86/cpu: Sanitize FAM6_ATOM naming 2018-10-02 10:14:32 +02:00
pci-pf-stub.c PCI: Fix typos and whitespace errors 2019-07-09 07:24:53 -05:00
pci-stub.c PCI: Replace printk(KERN_INFO) with pr_info(), etc 2019-05-09 07:49:54 -05:00
pci-sysfs.c PCI: sysfs: Revert "rescan" file renames 2020-04-08 09:08:42 +02:00
pci.c Revert "PCI/PM: Assume ports without DLL Link Active train links in 100 ms" 2020-07-29 10:18:34 +02:00
pci.h PCI/PM: Add missing link delays required by the PCIe spec 2020-04-29 16:33:06 +02:00
probe.c PCI: Fix pci_register_host_bridge() device_register() error handling 2020-06-24 17:50:27 +02:00
proc.c Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
quirks.c PCI: Add ACS quirk for Intel Root Complex Integrated Endpoints 2020-06-22 09:31:16 +02:00
remove.c PCI/ASPM: Fix link_state teardown on device removal 2018-09-17 16:32:23 -05:00
rom.c
search.c PCI: Fix pci_add_dma_alias() bitmask size 2020-02-24 08:36:24 +01:00
setup-bus.c PCI: Don't disable bridge BARs when assigning bus resources 2020-02-14 16:34:09 -05:00
setup-irq.c
setup-res.c PCI: Allow pci_resize_resource() for devices on root bus 2020-06-24 17:50:11 +02:00
slot.c PCI: Decode PCIe 32 GT/s link speed 2019-06-13 16:49:45 -05:00
syscall.c PCI: Lock down BAR access when the kernel is locked down 2019-08-19 21:54:15 -07:00
vc.c Merge branch 'pci/trivial' 2019-09-23 16:10:31 -05:00
vpd.c PCI/VPD: Prevent VPD access for Amazon's Annapurna Labs Root Port 2019-09-16 14:10:09 +01:00
xen-pcifront.c Merge branch 'pci/printk' 2019-05-13 18:34:46 -05:00