[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 Andrius Štikonas changed: What|Removed |Added Resolution|--- |WONTFIX

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #26 from Andrius Štikonas --- The screen that I used in this bug is now broken. I can't test this bug right now because the replacement screen that I was given does not have DP connector. -- You are receiving

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #25 from Andrius Štikonas andr...@stikonas.eu --- Created attachment 115644 -- https://bugs.freedesktop.org/attachment.cgi?id=115644action=edit dmesg.txt.xz (lower modes, reattaching) only the lower modes are enabled: { 324000,

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 Andrius Štikonas andr...@stikonas.eu changed: What|Removed |Added Attachment #100924|0 |1 is

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #23 from Andrius Štikonas andr...@stikonas.eu --- I retested this with the newest kernel (drm-fixes branch) but the screen is still black. -- You are receiving this mail because: You are the assignee for the bug.

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 Andrius Štikonas andr...@stikonas.eu changed: What|Removed |Added Attachment #98687|0 |1 is

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #22 from Andrius Štikonas andr...@stikonas.eu --- (In reply to comment #21) Created attachment 101299 [details] dmesg_dont_touch_link dmesg with drm/nouveau/disp/dp: don't touch link config after success patch I forgot to

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #18 from Andrius Štikonas andr...@stikonas.eu --- Yes it helps. DP screen is no longer black. The original issue has diminished too. The corrupted portion of the display is three times narrower. But I haven't tested whether this

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #19 from Ben Skeggs skeg...@gmail.com --- (In reply to comment #18) Yes it helps. DP screen is no longer black. The original issue has diminished too. The corrupted portion of the display is three times narrower. But I haven't

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #20 from Andrius Štikonas andr...@stikonas.eu --- I sent mmiotrace to the usual address. -- You are receiving this mail because: You are the assignee for the bug. ___ Nouveau mailing list

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #14 from Andrius Štikonas andr...@stikonas.eu --- 55f083c33feb7231c7574a64cd01b0477715a370 is the first bad commit which makes the problem worse. drm/nouveau/disp/dp: maintain link in response to hpd signal This previously

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #15 from Ben Skeggs skeg...@gmail.com --- Thanks for that. Can I grab the same debug log, but from the (working) commit before it too. Thanks. -- You are receiving this mail because: You are the assignee for the bug.

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #16 from Andrius Štikonas andr...@stikonas.eu --- Created attachment 101180 -- https://bugs.freedesktop.org/attachment.cgi?id=101180action=edit dmesg_good -- You are receiving this mail because: You are the assignee for the bug.

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #17 from Ben Skeggs skeg...@gmail.com --- Created attachment 101204 -- https://bugs.freedesktop.org/attachment.cgi?id=101204action=edit test patch Are you able to test whether this helps at all? -- You are receiving this mail

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #13 from Andrius Štikonas andr...@stikonas.eu --- I didn't have enough time to finish bisection today but I managed to narrow it down, so it might already be useful. There are just two untested revisions left. Bad revision is

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #6 from Andrius Štikonas andr...@stikonas.eu --- (In reply to comment #5) There is a substantial DP rework bound for 3.16. Can you give http://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next a shot? Completely broken. Does not

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 Andrius Štikonas andr...@stikonas.eu changed: What|Removed |Added Attachment #100920|0 |1 is

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #11 from Ben Skeggs skeg...@gmail.com --- Would you be able to bisect nouveau between 3.15 and current -next to find where it got worse? -- You are receiving this mail because: You are the assignee for the bug.

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #12 from Andrius Štikonas andr...@stikonas.eu --- (In reply to comment #11) Would you be able to bisect nouveau between 3.15 and current -next to find where it got worse? I think so. But it might have to wait till Friday afternoon

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #4 from Andrius Štikonas andr...@stikonas.eu --- I can't test with suspend to RAM. My laptop only partially suspends and then it is stuck in that state. I tried it with suspend to disk. The laptop also fails to suspend, however this

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 --- Comment #3 from Ilia Mirkin imir...@alum.mit.edu --- Does it fix itself if you do a suspend/resume cycle? -- You are receiving this mail because: You are the assignee for the bug. ___ Nouveau

[Nouveau] [Bug 78439] [NVC1] Display corruption when DP connector is reattached

https://bugs.freedesktop.org/show_bug.cgi?id=78439 Ilia Mirkin imir...@alum.mit.edu changed: What|Removed |Added Summary|Display corruption when DP |[NVC1] Display