On Mon, 2026-07-06 at 12:16 +0200, Thorsten Leemhuis wrote: > External email : Please do not click links or open attachments until you have > verified the sender or the content. > > > On 6/22/26 15:23, Adam Thiede wrote: > > On 6/22/26 06:22, Gary Bisson wrote: > > > On Thu, Jun 18, 2026 at 04:06:28PM -0500, Adam Thiede wrote: > > > > On 1/20/26 05:36, Gary Bisson wrote: > > > > > Some bridges, such as the TI SN65DSI83, require the HS clock to be > > > > > running in order to lock its PLL during its own pre-enable function. > > > > > > > > > > Without this change, the bridge gives the following error: > > > > > sn65dsi83 14-002c: failed to lock PLL, ret=-110 > > > > > sn65dsi83 14-002c: Unexpected link status 0x01 > > > > > sn65dsi83 14-002c: reset the pipe > > > > > [...] > > > > > > > > This commit was part of 7.1 and caused a problem for me. > > > > I'm running postmarketOS (basically Alpine Linux) on a Lenovo C330 > > > > chromebook with a Mediatek MT8173 processor. > > > > The problem: when the display on my laptop powers off (via suspend or > > > > idle, > > > > like xset dpms off) the picture does not come back when the display > > > > powers > > > > back on (from resume). The display backlight comes on and brightness is > > > > adjustable but there is no picture. The only fix is to reboot. > > > > > > > > Reverting this commit and applying it as a patch on top of 7.1 > > > > addresses the > > > > issue for me. > > > > > > > > You can view the config I'm using here: > > > > https://urldefense.com/v3/__https://gitlab.postmarketos.org/postmarketOS/pmaports/-/__;!!CTRNKA9wMg0ARbw!jrsPDtSEUdaINzLlq92Li8gmsEBkTOxZ6WUzNHjvIN6CyOJjHiHkNSOhIRPXFTLPlaYlxU2uvryVkwjUAN9bmax5$ > > > > merge_requests/8819 > > > > > > > > Is there any sort of testing or other debugging info I can provide to > > > > help > > > > address this issue? > > > > > > Thanks for reporting the issue, could you share some logs? Is the driver > > > saying anything during resume? Also, what type of panel is used on that > > > chromebook? > > > > The curious thing is that there are no real logs in dmesg or /var/log/ > > messages about this. This picture just fails to come back. If there are > > some kernel params I can set to get deeper logging, that would help, but > > I'm not aware of any. > > > > I think the panel is a "BOE NV116WHM-T00" - I used this command to get > > info: cat /sys/class/drm/card0-eDP-1/edid | edid-decode > > > > Output: > > https://urldefense.com/v3/__https://termbin.com/8nbd__;!!CTRNKA9wMg0ARbw!jrsPDtSEUdaINzLlq92Li8gmsEBkTOxZ6WUzNHjvIN6CyOJjHiHkNSOhIRPXFTLPlaYlxU2uvryVkwjUAJooSyqL$ > > This looked stalled. If I'm mistaken here, please let me known; but if > no solution is in sight, should we maybe just revert the change until a > proper was found? > > Ciao, Thorsten > >
It's welcome anyone to provide a revert patch, but I would still wait for the fixup patch until 7.2-rc4. If no fixup patch exist, then apply the revert patch. Regards, CK
