[Bug 111754] [CI][BAT]igt at i915_selftest@live_workarounds - dmesg-fail - *ERROR* REF workaround lost on before reset!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111754

--- Comment #5 from Martin Peres <martin.peres at free.fr> ---
(In reply to Chris Wilson from comment #4)
> commit e5de91e68c5ccaf4ef3e5aa265b469e186ebfa65 (HEAD ->
> drm-intel-next-queued, drm-intel/drm-intel-next-queued)
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Fri Sep 20 09:12:54 2019 +0100
> 
>     Revert "drm/i915/tgl: Implement Wa_1406941453"
>     
>     Our sanitychecks indicate that while this register is context
>     saved/restore, the HW does not preserve this bit within the register --
>     it likely doesn't exist, or one of those mythical bits that the
>     architects insist does something despite all appearances to the
>     contrary.
>     
>     For reference, SAMPLER_MODE is already in i915_reg.h as
>     GEN10_SAMPLER_MODE and is being setup in icl_ctx_workarounds_init() as
>     opposed to the chosen location here of rcs_engine_wa_init).
>     
>     Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111754
>     Fixes: 7f0cc34b5349 ("drm/i915/tgl: Implement Wa_1406941453")
>     Testcase: igt/i915_selftest/live_workarounds
>     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
>     Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>     Cc: Stuart Summers <stuart.summers at intel.com>
>     Cc: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
>     Cc: Jani Nikula <jani.nikula at linux.intel.com>
>     Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
>     Acked-by: Lucas De Marchi <lucas.demarchi at intel.com>
>     Link:
> https://patchwork.freedesktop.org/patch/msgid/20190920081254.18389-1-
> chris at chris-wilson.co.uk

Seems to have done the trick, thanks!

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20191016/52517965/attachment-0001.html>