[PATCH] drm/amdgpu: fix compiler 'side-effect' check issue for RAS_EVENT_LOG()

[Yang Wang]

create a new helper function to avoid compiler 'side-effect'
check about RAS_EVENT_LOG() macro.

Signed-off-by: Yang Wang <kevinyang.wang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 18 ++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h | 13 ++++++-------
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1dd13ed3b7b5..c04e6ced1af3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -4504,3 +4504,21 @@ int amdgpu_ras_reserve_page(struct amdgpu_device *adev, uint64_t pfn)
 
 	return ret;
 }
+
+void amdgpu_ras_event_log_print(struct amdgpu_device *adev, u64 event_id,
+				const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	if (amdgpu_ras_event_id_is_valid(adev, event_id))
+		dev_printk(KERN_INFO, adev->dev, "{%llu}%pV", event_id, &vaf);
+	else
+		dev_printk(KERN_INFO, adev->dev, "%pV", &vaf);
+
+	va_end(args);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
index c8980d5f6540..6a8c7b1609df 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
@@ -67,13 +67,8 @@ struct amdgpu_iv_entry;
 /* The high three bits indicates socketid */
 #define AMDGPU_RAS_GET_FEATURES(val)  ((val) & ~AMDGPU_RAS_FEATURES_SOCKETID_MASK)
 
-#define RAS_EVENT_LOG(_adev, _id, _fmt, ...)				\
-do {									\
-	if (amdgpu_ras_event_id_is_valid((_adev), (_id)))			\
-	    dev_info((_adev)->dev, "{%llu}" _fmt, (_id), ##__VA_ARGS__);	\
-	else								\
-	    dev_info((_adev)->dev, _fmt, ##__VA_ARGS__);			\
-} while (0)
+#define RAS_EVENT_LOG(adev, id, fmt, ...)	\
+	amdgpu_ras_event_log_print((adev), (id), (fmt), ##__VA_ARGS__);
 
 enum amdgpu_ras_block {
 	AMDGPU_RAS_BLOCK__UMC = 0,
@@ -956,4 +951,8 @@ int amdgpu_ras_put_poison_req(struct amdgpu_device *adev,
 		enum amdgpu_ras_block block, uint16_t pasid,
 		pasid_notify pasid_fn, void *data, uint32_t reset);
 
+__printf(3, 4)
+void amdgpu_ras_event_log_print(struct amdgpu_device *adev, u64 event_id,
+				const char *fmt, ...);
+
 #endif
-- 
2.34.1