[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2022-02-20 Thread Artem
The same issue on ubuntu 20.04(5.13.0-30) on Yoga slim 9 14ITL

Putting "i915.enable_psr=0" to GRUB_CMDLINE_LINUX_DEFAULT fixed issues
such as rendering, screen tearing, delaying.

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  [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-10-27 Thread Daniel van Vugt
** Tags added: psr

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-10-27 Thread kyuhyong
I had exact same issue on ubuntu 20.04 with same system "lenovo yoga slim7 
14IIL05"
Putting "i915.enable_psr=0" to GRUB_CMDLINE_LINUX_DEFAULT fixed issues such as 
rendering, screen tearing, delaying.

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  [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-10 Thread Kai-Heng Feng
Please file a bug against Intel graphics:
https://gitlab.freedesktop.org/drm/intel/wikis/How-to-file-i915-bugs

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Daniel van Vugt
Thanks for doing that.

It would seem the only fix is still 'i915.enable_psr=0' so please
continue using that.

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Nishant Kumar Singh
Linux YOGA 5.14.0-051400rc5drmtip20210809-generic #202108082205 SMP Mon
Aug 9 02:21:27 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Daniel van Vugt
OK, please verify the kernel version you're seeing the glitch in by
running:

  uname -a

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Nishant Kumar Singh
Now I am able to boot into ubuntu in normal mode but there is screen
glitch problem.

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Nishant Kumar Singh
I have installed both files, Now what to do??

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Daniel van Vugt
Yes we know. Recovery mode works by disabling performance and power
saving features so it will work around this bug. But that's not relevant
to actually fixing the bug. Nobody should stay in recovery mode long
term.

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Nishant Kumar Singh
before Testing one thing I want to tell you I won't able to boot in
ubuntu in normal mode but in recovery mode there is no issue related to
screen tearing

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Daniel van Vugt
You need to download at least two files:

https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-
tip/2021-08-09/amd64/linux-image-
unsigned-5.14.0-051400rc5drmtip20210809-generic_5.14.0-051400rc5drmtip20210809.202108082205_amd64.deb

https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-
tip/2021-08-09/amd64/linux-
modules-5.14.0-051400rc5drmtip20210809-generic_5.14.0-051400rc5drmtip20210809.202108082205_amd64.deb

and then install them together:

  sudo dpkg -i linux*drmtip20210809*.deb

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Nishant Kumar Singh
Can you tell me in brief how to test drm-tip kernal and disble PSR2

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Kai-Heng Feng
Mainly to test "drm/i915/display: Disable PSR2 if TGL Display stepping
is B1 from A0", though the CPU seems to be ICL.

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-09 Thread Daniel van Vugt
I'm not sure we need to bother with the above. We already know PSR is
the cause of the problem. I was assuming it just needs to be blacklisted
for this machine... unless it can be *fixed* somehow in later kernels
without being disabled?

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-08 Thread Kai-Heng Feng
Please test latest drm-tip kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/current/

Headers are not needed.

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[Bug 1937072] Re: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws

2021-08-08 Thread Daniel van Vugt
** Tags added: focal

** Also affects: linux-hwe-5.11 (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux-hwe-5.11 (Ubuntu)
   Importance: Undecided => High

** Changed in: linux-hwe-5.11 (Ubuntu)
   Status: New => Triaged

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