https://bugs.kde.org/show_bug.cgi?id=486504
--- Comment #12 from Kalzi <kalzwa...@yahoo.com> --- (In reply to Zamundaaa from comment #9) > (In reply to Michael Butash from comment #4) > > Is it DP output to DP input, or some mode conversion to HDMI? > > > > I have this happen almost clockwork after a suspend awaken, reboot, even > > just a glitch of the power to the dock or something, and seems to come > > largely from having to use DP on dock to HDMI on TV conversion. Often I'll > > see the display after reset come up instead of my Samsung TV's I use to > > display as generic "NVidia 640x480", and is usually all xrandr sees as well, > > indicating like the conversion chip in the cable/adapter glitches and EDID > > data doesn't resolve correctly on the host. I often have to end up > > unplugging physically and resetting the DP end of the cable/adapter to fix > > it. > That's a NVidia driver bug, the proprietary driver has some issues with > reading the EDID sometimes. You can report it at > https://forums.developer.nvidia.com/c/gpu-graphics/linux/148 > > > (In reply to Kalzi from comment #8) > > I have attached three txt files that have the output of drm_info for before, > > during and after > > Okay, so the driver reports the correct mode list, and KWin has actually set > the 640x480 mode. Can you also attach the output of > > kscreen-doctor -o > and > > wayland-info > while the output is wrongly in that 640x480 mode? > > What I suspect is happening is that the driver temporarily reports 640x480 > as the only supported mode at some point after the display goes to standby, > and KWin doesn't automatically switch back to the correct mode (which > shouldn't be very complicated to fix). If the display settings doesn't let > you set the right mode though, there might be more going on attached both. Hope it helps. I still can't change the resolution on the blown out screen, I'd have to find a way to be able to get to the normal screen to change the correct resolution from there -- You are receiving this mail because: You are watching all bug changes.