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
WARNING: multiple messages have this Message-ID (diff)
From: August Wikerfors <git@augustwikerfors.se> To: Leo Li <sunpeng.li@amd.com>, Alex Deucher <alexdeucher@gmail.com> Cc: regressions@lists.linux.dev, Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, Thorsten Leemhuis <regressions@leemhuis.info>, Alex Deucher <alexander.deucher@amd.com>, Harry Wentland <harry.wentland@amd.com> 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 14:27 UTC|newest] Thread overview: 18+ 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 2022-09-17 16:57 ` August Wikerfors 2022-09-22 11:26 ` Thorsten Leemhuis 2022-09-22 11:26 ` Thorsten Leemhuis 2022-09-22 13:59 ` Alex Deucher 2022-09-22 13:59 ` Alex Deucher 2022-09-22 18:13 ` August Wikerfors 2022-09-22 18:13 ` August Wikerfors 2022-09-23 18:41 ` Leo Li 2022-09-23 18:41 ` Leo Li 2022-09-23 20:26 ` August Wikerfors 2022-09-23 20:26 ` August Wikerfors 2022-09-26 22:29 ` Leo Li 2022-09-26 22:29 ` Leo Li 2022-09-27 14:22 ` August Wikerfors [this message] 2022-09-27 14:22 ` August Wikerfors 2022-09-27 23:18 ` Leo Li 2022-09-27 23:18 ` Leo Li
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