[Bug 107277] Raven: pci_pm_suspend takes over 1 second - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 107277] Raven: pci_pm_suspend takes over 1 second
Date: Wed, 18 Jul 2018 14:47:47 +0000	[thread overview]
Message-ID: <bug-107277-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=107277

            Bug ID: 107277
           Summary: Raven: pci_pm_suspend takes over 1 second
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: pmenzel+bugs.freedesktop@molgen.mpg.de

Created attachment 140698
  --> https://bugs.freedesktop.org/attachment.cgi?id=140698&action=edit
Linux 4.18-rc5+ messages

Profiling the suspend and resume time [1] on a MSI B350M MORTAR (MS-7A37) with
AMD Ryzen 3 2200G with Radeon Vega Graphics with Linux 4.18-rc5+,
`pci_pm_suspend()` takes over one second, which is too long.

[   74.694600] amdgpu 0000:38:00.0: calling pci_pm_suspend+0x0/0x120 @ 1664,
parent: 0000:00:08.1
[   74.700292] sd 8:0:0:0: scsi_bus_suspend+0x0/0x20 [scsi_mod] returned 0
after 25514 usecs
[   74.700326] scsi target8:0:0: calling scsi_bus_suspend+0x0/0x20 [scsi_mod] @
175, parent: host8
[   74.700346] scsi target8:0:0: scsi_bus_suspend+0x0/0x20 [scsi_mod] returned
0 after 6 usecs
[   74.700382] scsi host8: calling scsi_bus_suspend+0x0/0x20 [scsi_mod] @ 181,
parent: ata9
[   74.700404] scsi host8: scsi_bus_suspend+0x0/0x20 [scsi_mod] returned 0
after 6 usecs
[   74.700439]  ata9: calling ata_port_pm_suspend+0x0/0x40 [libata] @ 173,
parent: 0000:39:00.0
[   74.700522]  ata9: ata_port_pm_suspend+0x0/0x40 [libata] returned 0 after 67
usecs
[   74.700544] ahci 0000:39:00.0: calling pci_pm_suspend+0x0/0x120 @ 7, parent:
0000:00:08.2
[   74.700565] ahci 0000:39:00.0: pci_pm_suspend+0x0/0x120 returned 0 after 14
usecs
[   74.700588] pcieport 0000:00:08.2: calling pci_pm_suspend+0x0/0x120 @ 1666,
parent: pci0000:00
[   74.700620] pcieport 0000:00:08.2: pci_pm_suspend+0x0/0x120 returned 0 after
25 usecs
[   74.712063] usb 1-10: usb_dev_suspend+0x0/0x10 [usbcore] returned 0 after
36874 usecs
[   74.712092] usb usb1: calling usb_dev_suspend+0x0/0x10 [usbcore] @ 174,
parent: 0000:15:00.0
[   74.712156] usb usb1: usb_dev_suspend+0x0/0x10 [usbcore] returned 0 after 51
usecs
[   74.712173] xhci_hcd 0000:15:00.0: calling pci_pm_suspend+0x0/0x120 @ 1669,
parent: 0000:00:01.2
[   74.714213] xhci_hcd 0000:15:00.0: pci_pm_suspend+0x0/0x120 returned 0 after
1985 usecs
[   74.714233] pcieport 0000:00:01.2: calling pci_pm_suspend+0x0/0x120 @ 1671,
parent: pci0000:00
[   74.714248] pcieport 0000:00:01.2: pci_pm_suspend+0x0/0x120 returned 0 after
11 usecs
[   75.670011] amdgpu 0000:38:00.0: 000000007bb4b3e1 unpin not necessary
[   75.736060] amdgpu 0000:38:00.0: pci_pm_suspend+0x0/0x120 returned 0 after
1017036 usecs

[1]: https://github.com/01org/pm-graph/

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