Hi, thanks for opening a bug report! It looks like i915.enable_guc_submission
was replaced with i915.enable_guc in this commit in Linux 4.16:
https://github.com/torvalds/linux/commit/121981fafe699d9f398a3c717912ef4eae6719b1
To enable GuC submission it seems you need to pass a value with the 1 bit set,
so 3, for example. Let me know if that resolves the issue.
In regards to this being a regression, could you share what version of
the kernel this last was confirmed to be working for you?
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Ian Whitfield (ijwhitfield)
** Changed in: linux (Ubuntu)
Status: New => Triaged
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/2136090
Title:
i915 GuC submission disabled on Comet Lake i3-10100 preventing VA-API
hardware acceleration
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