Messages in this thread |  | | From | John Stultz <> | Date | Mon, 26 Jul 2021 12:03:30 -0700 | Subject | Re: [PATCH] drm/msm: Fix display fault handling |
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On Wed, Jul 7, 2021 at 10:57 AM Rob Clark <robdclark@gmail.com> wrote: > > From: Rob Clark <robdclark@chromium.org> > > It turns out that when the display is enabled by the bootloader, we can > get some transient iommu faults from the display. Which doesn't go over > too well when we install a fault handler that is gpu specific. To avoid > this, defer installing the fault handler until we get around to setting > up per-process pgtables (which is adreno_smmu specific). The arm-smmu > fallback error reporting is sufficient for reporting display related > faults (and in fact was all we had prior to f8f934c180f629bb927a04fd90d) > > Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > Reported-by: Yassine Oudjana <y.oudjana@protonmail.com> > Fixes: 2a574cc05d38 ("drm/msm: Improve the a6xx page fault handler") > Signed-off-by: Rob Clark <robdclark@chromium.org> > Tested-by: John Stultz <john.stultz@linaro.org> > ---
Hey folks! Just wanted to follow up on this, as it's still missing from 5.14-rc3 and is critical for resolving a boot regression on db845c. Is there anything keeping this from heading upstream?
thanks -john
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