[Intel-xe] [PATCH v12 09/13] drm/xe/mmio: enforce xe_device_assert_mem_access

[Matthew Auld]

The mem_access is meant to cover any kind of device level memory
access, mmio included.

Suggested-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/xe/xe_mmio.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_mmio.h b/drivers/gpu/drm/xe/xe_mmio.h
index 3c547d78afba..1a6f0fa9e04e 100644
--- a/drivers/gpu/drm/xe/xe_mmio.h
+++ b/drivers/gpu/drm/xe/xe_mmio.h
@@ -10,6 +10,7 @@
 #include <linux/io-64-nonatomic-lo-hi.h>
 
 #include "regs/xe_reg_defs.h"
+#include "xe_device.h"
 #include "xe_device_types.h"
 #include "xe_gt_types.h"
 
@@ -25,6 +26,8 @@ static inline u8 xe_mmio_read8(struct xe_gt *gt, struct xe_reg reg)
 {
 	struct xe_tile *tile = gt_to_tile(gt);
 
+	xe_device_assert_mem_access(tile->xe);
+
 	if (reg.addr < gt->mmio.adj_limit)
 		reg.addr += gt->mmio.adj_offset;
 
@@ -36,6 +39,8 @@ static inline void xe_mmio_write32(struct xe_gt *gt,
 {
 	struct xe_tile *tile = gt_to_tile(gt);
 
+	xe_device_assert_mem_access(tile->xe);
+
 	if (reg.addr < gt->mmio.adj_limit)
 		reg.addr += gt->mmio.adj_offset;
 
@@ -46,6 +51,8 @@ static inline u32 xe_mmio_read32(struct xe_gt *gt, struct xe_reg reg)
 {
 	struct xe_tile *tile = gt_to_tile(gt);
 
+	xe_device_assert_mem_access(tile->xe);
+
 	if (reg.addr < gt->mmio.adj_limit)
 		reg.addr += gt->mmio.adj_offset;
 
@@ -69,6 +76,8 @@ static inline void xe_mmio_write64(struct xe_gt *gt,
 {
 	struct xe_tile *tile = gt_to_tile(gt);
 
+	xe_device_assert_mem_access(tile->xe);
+
 	if (reg.addr < gt->mmio.adj_limit)
 		reg.addr += gt->mmio.adj_offset;
 
@@ -79,6 +88,8 @@ static inline u64 xe_mmio_read64(struct xe_gt *gt, struct xe_reg reg)
 {
 	struct xe_tile *tile = gt_to_tile(gt);
 
+	xe_device_assert_mem_access(tile->xe);
+
 	if (reg.addr < gt->mmio.adj_limit)
 		reg.addr += gt->mmio.adj_offset;
 
-- 
2.41.0