[PATCH 1/6] drm/xe: Assert size of the struct xe_reg

[Michal Wajdeczko <michal.wajdeczko@intel.com>]

We want to keep the struct xe_reg as small as possible.
Make sure we don't accidentally change its size.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
---
 drivers/gpu/drm/xe/regs/xe_reg_defs.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/xe/regs/xe_reg_defs.h b/drivers/gpu/drm/xe/regs/xe_reg_defs.h
index c50e7650c09a..114b07db962f 100644
--- a/drivers/gpu/drm/xe/regs/xe_reg_defs.h
+++ b/drivers/gpu/drm/xe/regs/xe_reg_defs.h
@@ -6,6 +6,8 @@
 #ifndef _XE_REG_DEFS_H_
 #define _XE_REG_DEFS_H_
 
+#include <linux/build_bug.h>
+
 #include "compat-i915-headers/i915_reg_defs.h"
 
 /**
@@ -44,6 +46,7 @@ struct xe_reg {
 		u32 raw;
 	};
 };
+static_assert(sizeof(struct xe_reg) == sizeof(u32));
 
 /**
  * struct xe_reg_mcr - MCR register definition
-- 
2.25.1