[PATCH 04/13] drm/xe/mmio: Allow to replace xe_mmio_read32|write32() with stub

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

We want to use replacement functions in upcoming kunit tests.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
---
 drivers/gpu/drm/xe/xe_mmio.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c
index 78adb303b663..83cd1157cf61 100644
--- a/drivers/gpu/drm/xe/xe_mmio.c
+++ b/drivers/gpu/drm/xe/xe_mmio.c
@@ -10,6 +10,8 @@
 #include <linux/minmax.h>
 #include <linux/pci.h>
 
+#include <kunit/static_stub.h>
+
 #include <drm/drm_managed.h>
 #include <drm/drm_print.h>
 
@@ -180,6 +182,8 @@ void xe_mmio_write32(struct xe_mmio *mmio, struct xe_reg reg, u32 val)
 {
 	u32 addr = xe_mmio_adjusted_addr(mmio, reg.addr);
 
+	KUNIT_STATIC_STUB_REDIRECT(xe_mmio_write32, mmio, reg, val);
+
 	trace_xe_reg_rw(mmio, true, addr, val, sizeof(val));
 
 	if (!reg.vf && IS_SRIOV_VF(mmio->tile->xe))
@@ -194,6 +198,8 @@ u32 xe_mmio_read32(struct xe_mmio *mmio, struct xe_reg reg)
 	u32 addr = xe_mmio_adjusted_addr(mmio, reg.addr);
 	u32 val;
 
+	KUNIT_STATIC_STUB_REDIRECT(xe_mmio_read32, mmio, reg);
+
 	mmio_flush_pending_writes(mmio);
 
 	if (!reg.vf && IS_SRIOV_VF(mmio->tile->xe))
-- 
2.47.1