On Thursday, 12 January 2017 10:33:47 EET Chris Wilson wrote:
> On Wed, Jan 11, 2017 at 04:17:39PM +0100, Michał Winiarski wrote:
> > Since commit 4741da925fa3 ("drm/i915/guc: Assert that all GGTT
> > offsets used by the GuC are mappable"), we're asserting that GuC
> > firmware is in the GuC mappable range.
> > Except we're not pinning the object with bias, which means it's
> > possible to trigger this assert. Let's add a proper bias.
> >
> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> > Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
>
> My spider sense is tingling....
>
> CI has been reporting a suspend freeze with guc enabled. Tomi?
DRM-Tip kernels on Skylake from commit 8e6dfee and onwards
(drm-tip: 2017y-01m-05d-16h-48m-32s UTC integration manifest)
get into infinite suspend with following options turned on:
i915.enable_guc_submission=1 i915.enable_guc_loading=1
With this patch the testhost i6700K survived dozen rounds of
igt@gem_exec_suspend@basic-s3, without it the first run hangs the
machine.
Tested-by: Tomi Sarvela <tomi.p.sarvela@xxxxxxxxx>
Best regards,
Tomi Sarvela
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