Re: 2b5d1c29f6c4 ("drm/nouveau/disp: PIOR DP uses GPIO for HPD, not PMGR AUX interrupts")

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[CCing the regression list, as it should be in the loop for regressions:
https://docs.kernel.org/admin-guide/reporting-regressions.html]

[TLDR: I'm adding this report to the list of tracked Linux kernel
regressions; the text you find below is based on a few templates
paragraphs you might have encountered already in similar form.
See link in footer if these mails annoy you.]

On 06.08.23 23:31, Borislav Petkov wrote:
> 
> the patch in $Subject

Side note, in case anyone cares: it was also included in 6.4.7.

> breaks booting here on one of my test boxes, see
> below.
> 
> Reverting it ontop of -rc4 fixes the issue.
> 
> Thx.

Thanks for the report. To be sure the issue doesn't fall through the
cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression
tracking bot:

#regzbot ^introduced 2b5d1c29f6c4
#regzbot title drm/nouveau: stopped booting
#regzbot ignore-activity

This isn't a regression? This issue or a fix for it are already
discussed somewhere else? It was fixed already? You want to clarify when
the regression started to happen? Or point out I got the title or
something else totally wrong? Then just reply and tell me -- ideally
while also telling regzbot about it, as explained by the page listed in
the footer of this mail.

Developers: When fixing the issue, remember to add 'Link:' tags pointing
to the report (the parent of this mail). See page linked in footer for
details.

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
That page also explains what to do if mails like this annoy you.

> [    3.580535] ACPI: \_PR_.CP04: Found 4 idle states
> [    3.585694] ACPI: \_PR_.CP05: Found 4 idle states
> [    3.590852] ACPI: \_PR_.CP06: Found 4 idle states
> [    3.596037] ACPI: \_PR_.CP07: Found 4 idle states
> [    3.644065] Freeing initrd memory: 6740K
> [    3.742932] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> [    3.750409] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
> [    3.762111] serial 0000:00:16.3: enabling device (0000 -> 0003)
> [    3.771589] 0000:00:16.3: ttyS1 at I/O 0xf0a0 (irq = 17, base_baud = 115200) is a 16550A
> [    3.782503] Linux agpgart interface v0.103
> [    3.787805] ACPI: bus type drm_connector registered
> 
> <--- boot stops here.
> 
> It should continue with this:
> 
> [    3.795491] Console: switching to colour dummy device 80x25
> [    3.801933] nouveau 0000:03:00.0: vgaarb: deactivate vga console
> [    3.808303] nouveau 0000:03:00.0: NVIDIA GT218 (0a8c00b1)
> [    3.931002] nouveau 0000:03:00.0: bios: version 70.18.83.00.08
> [    3.941731] nouveau 0000:03:00.0: fb: 512 MiB DDR3
> [    4.110348] tsc: Refined TSC clocksource calibration: 3591.349 MHz
> [    4.116627] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x33c466a1ab5, max_idle_ns: 440795209767 ns
> [    4.126871] clocksource: Switched to clocksource tsc
> [    4.252013] nouveau 0000:03:00.0: DRM: VRAM: 512 MiB
> [    4.257088] nouveau 0000:03:00.0: DRM: GART: 1048576 MiB
> [    4.262501] nouveau 0000:03:00.0: DRM: TMDS table version 2.0
> [    4.268333] nouveau 0000:03:00.0: DRM: DCB version 4.0
> [    4.273561] nouveau 0000:03:00.0: DRM: DCB outp 00: 02000360 00000000
> [    4.280104] nouveau 0000:03:00.0: DRM: DCB outp 01: 02000362 00020010
> [    4.286630] nouveau 0000:03:00.0: DRM: DCB outp 02: 028003a6 0f220010
> [    4.293176] nouveau 0000:03:00.0: DRM: DCB outp 03: 01011380 00000000
> [    4.299711] nouveau 0000:03:00.0: DRM: DCB outp 04: 08011382 00020010
> [    4.306243] nouveau 0000:03:00.0: DRM: DCB outp 05: 088113c6 0f220010
> [    4.312772] nouveau 0000:03:00.0: DRM: DCB conn 00: 00101064
> [    4.318520] nouveau 0000:03:00.0: DRM: DCB conn 01: 00202165
> [    4.329488] nouveau 0000:03:00.0: DRM: MM: using COPY for buffer copies
> [    4.336261] stackdepot: allocating hash table of 1048576 entries via kvcalloc
> ...
> 
> 



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