[Bug 100276] xf86-video-amdgpu-1.3.0 segfaults with a rotated screen (regression caused by commit ad53635af1)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100276

Michel Dänzer <michel at daenzer.net> changed:

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--- Comment #6 from Michel Dänzer <michel at daenzer.net> ---
Comment on attachment 130373
  --> https://bugs.freedesktop.org/attachment.cgi?id=130373
Bail from drmmode_set_mode_major if it's called too early

(In reply to timon37 from comment #5)
> Patch didn't help. Actually it initially didn't compile for me
> (AMDGPUWindowExposures_oneshot was undefined)

Oops, sorry, I thought I'd at least compile-tested the patch, but I obviously
hadn't.

> but I added a prototype for it.

Did you also remove the static keyword from the function declaration
src/amdgpu_kms.c? If not, that might explain why the patch didn't work.


> But when I comment out the "Virtual 4096 4096" line it consistently works,
> and if then uncomment it it crashes.

Thanks, this allowed me to reproduce the problem.
https://patchwork.freedesktop.org/patch/145922/ fixes it for me.

BTW, does the Virtual line serve any purpose? Xorg seems to resize the screen
to fit the rotated output anyway for me.

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