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drm/i915/guc: Avoid reclaim locks during reset
During reset, we must be very selective in which locks we take as most are tainted by being held across a wait or reclaim (kmalloc) which implicitly waits. Inside the guc reset path, we reset the ADS to sane defaults, but must keep it pinned from initialisation to avoid having to pin it during reset. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190701100502.15639-1-chris@chris-wilson.co.uk
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Chris Wilson
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Jul 1, 2019
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