[Bug 90625] [BSW bisected] "testdisplay -d 32" core dump

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90625

--- Comment #6 from Ander Conselvan de Oliveira <conselvan2 at gmail.com> ---
(In reply to Jeff Zheng from comment #5)
> (In reply to Ander Conselvan de Oliveira from comment #4)
> > Created attachment 116069 [details] [review] [review]
> > Fix for igt
> > 
> > Please tests the attach patch for i-g-t.
> 
> Yes, testdisplay will not core dump with the patch, but it still complains
> "invalid argument":
> root at x-bsw14:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./testdisplay
> -d 32
> using depth 32
> CRTC(20):[0]  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48
> 138780
> failed to set mode (1920x1080 at 60Hz): Invalid argument
> 
> 
> And is this a kernel bug or igt bug?

Well, the test indicates Damien's patch work as intended. Using an ARGB8888 fb
for the primary plane in platforms other than SKL+ shouldn't work.

The crash in testdisplay is an i-g-t bug.

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