[Bug 101718] [IGT] [IVB/HSW] kms_fbcon_fbt subtest fbc, fail due to No such file or directory

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101718

--- Comment #5 from krisman at collabora.co.uk ---
Created attachment 132739
  --> https://bugs.freedesktop.org/attachment.cgi?id=132739&action=edit
debug patch - no fbc reason

(In reply to Armando Antonio from comment #4)
> Hello, this is the assertion:
> 
> (kms_fbcon_fbt:8185) igt-debugfs-DEBUG: Opening debugfs directory
> '/sys/kernel/debug/dri/0'
> (kms_fbcon_fbt:8185) CRITICAL: Test assertion failure function subtest, file
> kms_fbcon_fbt.c:217:
> (kms_fbcon_fbt:8185) CRITICAL: Failed assertion:
> feature->wait_until_enabled(drm.fd)

So, looks like fbc is not enabling. Probably because you don't have enough
stolen memory.  you can try going to the BIOS and increase it?

Can you also apply the following patch and provide the output, so we can
confirm why the fbc is not loading?

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