From: August Wikerfors <git@augustwikerfors.se>
To: Leo Li <sunpeng.li@amd.com>, Alex Deucher <alexdeucher@gmail.com>
Cc: Thorsten Leemhuis <regressions@leemhuis.info>,
Harry Wentland <harry.wentland@amd.com>,
Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
Alex Deucher <alexander.deucher@amd.com>,
linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
regressions@lists.linux.dev
Subject: Re: [REGRESSION] Graphical issues on Lenovo Yoga 7 14ARB7 laptop since v6.0-rc1 (bisected)
Date: Tue, 27 Sep 2022 16:22:28 +0200 [thread overview]
Message-ID: <f84e4956-293f-801d-6b9f-df4226df87d2@augustwikerfors.se> (raw)
In-Reply-To: <3ba218a3-8b6b-c0da-873b-53e1a8a082ae@amd.com>
Hi Leo,
On 2022-09-27 00:29, Leo Li wrote:
>
> Hi August, thanks for the log.
>
> It seems the eDP panel does not fully satisfy the amdgpu requirements
> for enabling PSR SU, but we're enabling it anyways.
>
> I suspect it may be due to the "DP_FORCE_PSRSU_CAPABILITY" bit being set
> in it's DPCD registers, I'm checking with some devs to see if that is
> expected.
>
> In the meantime, can you give these two hacks a spin? Let me know if
> this helps with the glitches and system hangs:
> https://gitlab.freedesktop.org/-/snippets/7076
Yes, the issues do not happen with those patches applied.
> Also the dmesg, in particular this line:
>> [drm] PSR support 1, DC PSR ver 1, sink PSR ver 3 DPCD caps
>> 0x70su_y_granularity 4 force_psrsu_cap **X**
Here is that line:
> [ 12.085196] [drm] PSR support 1, DC PSR ver 1, sink PSR ver 3 DPCD caps 0x7b su_y_granularity 4 force_psrsu_cap 1
Regards,
August Wikerfors
next prev parent reply other threads:[~2022-09-27 14:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-17 16:57 [REGRESSION] Graphical issues on Lenovo Yoga 7 14ARB7 laptop since v6.0-rc1 (bisected) August Wikerfors
2022-09-22 11:26 ` Thorsten Leemhuis
2022-09-22 13:59 ` Alex Deucher
2022-09-22 18:13 ` August Wikerfors
2022-09-23 18:41 ` Leo Li
2022-09-23 20:26 ` August Wikerfors
2022-09-26 22:29 ` Leo Li
2022-09-27 14:22 ` August Wikerfors [this message]
2022-09-27 23:18 ` Leo Li
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=f84e4956-293f-801d-6b9f-df4226df87d2@augustwikerfors.se \
--to=git@augustwikerfors.se \
--cc=Rodrigo.Siqueira@amd.com \
--cc=alexander.deucher@amd.com \
--cc=alexdeucher@gmail.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=harry.wentland@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=regressions@leemhuis.info \
--cc=regressions@lists.linux.dev \
--cc=sunpeng.li@amd.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).