drm/i915: make pool objects read-only
diff mbox series

Message ID 20191119150154.18249-1-matthew.auld@intel.com
State New
Headers show
Series
  • drm/i915: make pool objects read-only
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Commit Message

Matthew Auld Nov. 19, 2019, 3:01 p.m. UTC
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>
---
 drivers/gpu/drm/i915/gt/intel_engine_pool.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Chris Wilson Nov. 19, 2019, 3:07 p.m. UTC | #1
Quoting Matthew Auld (2019-11-19 15:01:54)
> For our current users we don't expect pool objects to be writable from
> the gpu.
> 

Fixes: 4f7af1948abc ("drm/i915: Support ro ppgtt mapped cmdparser shadow buffers")
> Signed-off-by: Matthew Auld <matthew.auld@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris

Patch
diff mbox series

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool.c b/drivers/gpu/drm/i915/gt/intel_engine_pool.c
index 3cdbd5f8b5be..397186818305 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pool.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pool.c
@@ -104,6 +104,8 @@  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;
 }