✓ CI.checkpatch: success for drm/xe/gsc: Switch SW proxy allocation to uncached (rev2)
Patchwork
patchwork at emeril.freedesktop.org
Thu May 22 16:52:22 UTC 2025
== Series Details ==
Series: drm/xe/gsc: Switch SW proxy allocation to uncached (rev2)
URL : https://patchwork.freedesktop.org/series/149355/
State : success
== Summary ==
+ KERNEL=/kernel
+ git clone https://gitlab.freedesktop.org/drm/maintainer-tools mt
Cloning into 'mt'...
warning: redirecting to https://gitlab.freedesktop.org/drm/maintainer-tools.git/
+ git -C mt rev-list -n1 origin/master
202708c00696422fd217223bb679a353a5936e23
+ cd /kernel
+ git config --global --add safe.directory /kernel
+ git log -n1
commit bf74140dadcd64b158a6b96f85b4280c2a59bc7b
Author: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Date: Wed May 21 14:34:48 2025 -0700
drm/xe/gsc: Switch SW proxy allocation to uncached
We're recently started to see a number of issues that seem to be caused
by memory coherency between the driver and the GSC FW when processing SW
proxy (xe#5002, xe#5047, xe#5071). These are sporadic and seem to only
happen on one particular CI machine, so I wan't able to repro locally
and fully root-cause the problem.
Given the memory coherency suspicion, as a first attempt to fix the
issue switch the allocation of the SW proxy object to uncached and
see if it is enough. Note that there is no performance concern in not
having this cached as the proxy flow is not heavily used outside of
driver init.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Cc: Alan Previn Teres Alexis <alan.previn.teres.alexis at intel.com>
Cc: John Harrison <John.C.Harrison at Intel.com>
+ /mt/dim checkpatch 3f677cc94262c39d180401938c3a0e4ec33472f3 drm-intel
bf74140dadcd drm/xe/gsc: Switch SW proxy allocation to uncached
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