Re: [SRU][H][PATCH v2 1/1] usb: pci-quirks: disable D3cold on xhci suspend for s2idle on AMD Renoir

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Jul 16, 2021 at 05:12:44PM +0200, Werner Sembach wrote:
> 
> Am 16.07.21 um 14:50 schrieb Greg Kroah-Hartman:
> > On Fri, Jul 16, 2021 at 12:40:10PM +0200, Werner Sembach wrote:
> >> From: Mario Limonciello <mario.limonciello@xxxxxxx>
> >>
> >> BugLink: https://bugs.launchpad.net/bugs/1936583
> >>
> >> The XHCI controller is required to enter D3hot rather than D3cold for AMD
> >> s2idle on this hardware generation.
> >>
> >> Otherwise, the 'Controller Not Ready' (CNR) bit is not being cleared by
> >> host in resume and eventually this results in xhci resume failures during
> >> the s2idle wakeup.
> >>
> >> Link: https://lore.kernel.org/linux-usb/1612527609-7053-1-git-send-email-Prike.Liang@xxxxxxx/
> >> Suggested-by: Prike Liang <Prike.Liang@xxxxxxx>
> >> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> >> Cc: stable <stable@xxxxxxxxxxxxxxx> # 5.11+
> >> Link: https://lore.kernel.org/r/20210527154534.8900-1-mario.limonciello@xxxxxxx
> >> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> >> (cherry picked from commit d1658268e43980c071dbffc3d894f6f6c4b6732a)
> >> Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
> >> ---
> >>  drivers/usb/host/xhci-pci.c | 7 ++++++-
> >>  drivers/usb/host/xhci.h     | 1 +
> >>  2 files changed, 7 insertions(+), 1 deletion(-)
> >>
> > Any reason you resent us a patch that is already in a stable release?
> >
> > And why not just use the stable kernel trees as-is?  Why attempt to
> > cherry-pick random portions of them?
> >
> > thanks,
> >
> > greg k-h
> 
> I didn't add the mailing list as recipent for my last replies so here again:
> 
> I only checked the Ubuntu 5.11 tree where the patch is actually missing.
> 
> The 5.8 kernel has other issues because of outdated amdgpu, that's why we never checked the 5.4 kernel.
> 
> Testing for 5.4: often hangs on boot before display manager shows up
> 
> 5.4 + amdgpu-dkms from here: https://www.amd.com/en/support/kb/release-notes/rn-amdgpu-unified-linux-21-20 : Hang on
> boot issue gone, but does not suspend anymore, and has graphic glitches.
> 
> Should I add these findings to the SRU?

What does any of this have to do with the stable@xxxxxxxxxxxxxxx
developers?



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux