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drm/i915: make pool objects read-only

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For our current users we don't expect pool objects to be writable from
the gpu.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Fixes: 4f7af1948a ("drm/i915: Support ro ppgtt mapped cmdparser shadow buffers")
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191119150154.18249-1-matthew.auld@intel.com
(cherry picked from commit d18580b08b92ec4105eb0ede2d676e8b1f5a66c3)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Matthew Auld 2019-11-19 15:01:54 +00:00 • committed by Rodrigo Vivi
commit d43e24533d
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/gt/intel_engine_pool.c
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@ -103,6 +103,8 @@ node_create(struct intel_engine_pool *pool, size_t sz)
return ERR_CAST(obj);
}
i915_gem_object_set_readonly(obj);
node->obj = obj;
return node;
}