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(parent: 37a7f1e) | patch
drm/i915/gt: Disable arbitration around Braswell's pdp updates
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 11 Jan 2021 10:57:32 +0000 (10:57 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 11 Jan 2021 23:07:38 +0000 (23:07 +0000)
commitfb6f0bd613f81cbde08add081e9943f752c49114
tree3a526dc7b18d0c246127e7424bbf6a71a39bdbfctree | snapshot
parent37a7f1e77dfbdfea86a3f9e781673a4b10214ba8commit | diff
drm/i915/gt: Disable arbitration around Braswell's pdp updates

Braswell's pdp workaround is full of dragons, that may be being angered
when they are interrupted. Let's not take that risk and disable
arbitration during the update.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111105735.21515-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/gt/intel_execlists_submission.c diff | blob | history
Linux Kernel Source Tree.