Messages in this thread | | | Date | Tue, 27 Sep 2022 16:22:28 +0200 | Subject | Re: [REGRESSION] Graphical issues on Lenovo Yoga 7 14ARB7 laptop since v6.0-rc1 (bisected) | From | August Wikerfors <> |
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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
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