[Intel-gfx] [PATCH 2/3] drm/i915/gem: sanity check object size in gem_create

Matthew Auld matthew.auld at intel.com
Thu Jan 14 18:24:01 UTC 2021


Depending on the regions min_page_size we might need to adjust the
object size, ensure this matches our expectations.

Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_create.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
index ce923ed49eee..45d60e3d98e3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
@@ -32,6 +32,8 @@ i915_gem_create(struct drm_file *file,
 	if (IS_ERR(obj))
 		return PTR_ERR(obj);
 
+	GEM_BUG_ON(size != obj->base.size);
+
 	ret = drm_gem_handle_create(file, &obj->base, &handle);
 	/* drop reference from allocate - handle holds it now */
 	i915_gem_object_put(obj);
-- 
2.26.2



More information about the Intel-gfx mailing list