Messages in this thread | | | Date | Tue, 27 Sep 2022 19:18:55 -0400 | Subject | Re: [REGRESSION] Graphical issues on Lenovo Yoga 7 14ARB7 laptop since v6.0-rc1 (bisected) | From | Leo Li <> |
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Hi August,
I've sent a fix here: https://patchwork.freedesktop.org/patch/504993/
It's not the most ideal fix, but it should address the regression. Let me know it works for you.
Thanks! Leo
On 2022-09-27 10:22, August Wikerfors wrote: > 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://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2F-%2Fsnippets%2F7076&data=05%7C01%7Csunpeng.li%40amd.com%7Ca5864225840b4bbbd04c08daa093bb26%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637998853607058272%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=cNAK%2FMhWCGwXySpITTTvKtzXQ7WCEQL4DYSrPKzWSkY%3D&reserved=0 > 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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